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深圳市扎克貿易有限公司
REO 75256.01
Rexroth821300936
SIEMENS6SL3352-3AG38-1AA0
heidenhainMT25 Nr.243603-01
CEMBRE GmbhRF-P8
brinkmannTC160/580+001
MeinbergPTP270PEX
德企直銷,歡迎采購【德國公司直接采購】
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深圳市扎克貿易有限公司
:王文強
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地址:中國深圳市深南中路2038號愛華大廈607
深圳市扎克貿易有限公司——專注歐美工控備件進口
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Rexroth 821300936
SIEMENS 6SL3352-3AG38-1AA0
heidenhain MT25 Nr.243603-01
CEMBRE Gmbh RF-P8
brinkmann TC160/580+001
Meinberg PTP270PEX
Phoenix SAC-5P- 2,5-920/M12FS - 1519383
heidenhain 315420-04
幾種基本類型的開關電源
顧名思義,開關電源就是利用電子開關器件(如晶體管、場效應管、可控硅閘流管等),通過控制電路,使電子開關器件不停地“接通”和“關斷”,讓電子開關器件對輸入電壓進行脈沖調制,從而實現DC/AC、DC/DC電壓變換,以及輸出電壓可調和自動穩壓。
開關電源一般有三種工作模式:頻率、脈沖寬度固定模式,頻率固定、脈沖寬度可變模式,頻率、脈沖寬度可變模式。前一種工作模式多用于DC/AC逆變電源,或DC/DC電壓變換;后兩種工作模式多用于開關穩壓電源。另外,開關電源輸出電壓也有三種工作方式:直接輸出電壓方式、平均值輸出電壓方式、幅值輸出電壓方式。同樣,前一種工作方式多用于DC/AC逆變電源,或DC/DC電壓變換;后兩種工作方式多用于開關穩壓電源。
根據開關器件在電路中連接的方式,目前比較廣泛使用的開關電源,大體上可分為:串聯式開關電源、并聯式開關電源、變壓器式開關電源等三大類。其中,變壓器式開關電源(后面簡稱變壓器開關電源)還可以進一步分成:推挽式、半橋式、全橋式等多種;根據變壓器的激勵和輸出電壓的相位,又可以分成:正激式、反激式、單激式和雙激式等多種;如果從用途上來分,還可以分成更多種類。
下面我們先對串聯式、并聯式、變壓器式等三種zui基本的開關電源工作原理進行簡單介紹,其它種類的開關電源也將逐步進行詳細分析。
串聯式開關電源
串聯式開關電源的工作原理
圖1-1-a是串聯式開關電源的zui簡單工作原理圖,圖1-1-a中Ui是開關電源的工作電壓,即:直流輸入電壓;K是控制開關,R是負載。當控制開關K接通的時候,開關電源就向負載R輸出一個脈沖寬度為Ton,幅度為Ui的脈沖電壓Up;當控制開關K關斷的時候,又相當于開關電源向負載R輸出一個脈沖寬度為Toff,幅度為0的脈沖電壓。這樣,控制開關K不停地“接通”和“關斷”,在負載兩端就可以得到一個脈沖調制的輸出電壓uo 。
圖1-1-b是串聯式開關電源輸出電壓的波形,由圖中看出,控制開關K輸出電壓uo是一個脈沖調制方波,脈沖幅度Up等于輸入電壓Ui,脈沖寬度等于控制開關K的接通時間Ton,由此可求得串聯式開關電源輸出電壓uo的平均值Ua為:
SUCO 0166-41303-1-051 set point at 30bar
DEUTRONIC 140558
hubner TDP0.09LT-3,SER.NR.L1483414
suco 0164-411-41-1-011
danfoss bauer BS06-44V/D08MA4W/C1-SP Artikel-Nr.:188M398300 3-mot:171Z6944
haewa 3184-0550-02-30
Rexroth 1824484064
heidenhain 40M cable ID:309777-40
Staubli SPM12.5104/JV
Haehne MV125GK-C
Dr.Breit GmbH NR.: 40415001600009
ATOS DPHI-1631/2/D/MO 24VDC+SP667
Balluff GmbH BES 516-211-E4-E-03
ARGO-HYTOS SD2E-A3/H2D21 20772600
Ompi R.037-BSP3/8"
GSR G052.001884.010.009.010 A52451004.012XX
Rexroth 0820051551 CD01-5/2DS-VD01-230AC-AL
Inelta IMA 2 - LVDT 2,5B 24V 4-20mA
DELTA DC2030
waldmann RL70CV-136 1X36W/230V/50HZ/IP67
Datasensor ED-000 975031000
Phoenix SAC-5P-M12MS/ 0,5-920/M12FS - 1507531
Reichelt PATCH-C6 1 GR
PMA KS40-102-0000E-000
SMW LPS-NT-A-100, Id.-Nr. 195921
MICRO DETECTORS PP1/AP-3A
GRUNDFOS MTR15-7/2 A-W-A-HUUV 3x400D 50Hz Art.-Nr. 98115613
HIRSCHMANN PG11/931720001;N6REF
SCHMERSAL AZ-AZM/200-B30-LTAG1P1 101178668
Honsberg VD-015GR010
kuhse GH 85.27 24VDC 15%ED nr:5214220102
schmalz SAOB 60x30 NBR-60 G1/4-IG 10.01.06.00891
EMS RB2C-220/063 K227
braeuer 85100000000500 D = 100 mm 200x105mm
Rechner Nr.16a M12, 5 m
Phoenix SACC-M12MS-5CON-PG 7-1662256
Murrelektronik GmbH 51140
Multi-Contact 24.0023-21 SKS4-19L
Kytola VLK7403-D
SIEMENS pos.01/002 VSR:021075410
HUBER+SUHNER 74Z-0-0-21
Ritz KS60-03/200/5/5VA
Baumuller BUM60-12/24-54-B-001-VC-AE-0036-0014 NR:812456787
IFM KI0203
hydac FZP-1/3.1/P/71/3.5 NR.3018795
Eltex 100291
ATOS DHZ0-A-071-L14
AK Regeltechnik 38041
GEFRAN TC6B1KCAHJ20/000X000X00150XA
Turck NI8-M18-LIU NR.1536100
riegler 637.903
CAMLOC 991S01-36-1AGV
SCH NEIDER XSA V11801TQ
RUKO 229100
Murr 7000-11021-2260500
GRIP G-MEK063-U-4PK4
norelem NLM 03090-2206 /FORM B
INA LR45*50*20.5
Bihl+Wiedemann BW1997
kfm 92702-991u7-99bwa-ogx
SIEMENS 6SL3955-0TX00-1AA1
Baumer UNAM 30I6103/S14 Nr.10130000
Phoenix VS-RJ45-RJ45-94P/3,0 - 1405089
sunfab SC-047-R
EMHART M233 119
Rexroth 490367101
microsonic mic+130/EE/TC
Buhler Art-Nr:4200059
heidenhain LC 493F ID:557642-11
JOYNER 12.577.0170
Rexroth R901263987,3DREME16P-7X/100XYG24K31F1V
Murrelektronik GmbH 9000-41034-0100600
Faster NV38 GAS-F 3/8
Ismet ISTU - 713560
Rechner KFS-5-1-165-15-VA-1 NO.KF0448..RECH
Savino Barbera srl AS30B PVDF 1,1 kW 2P
Vahle SK-KSW-MSWA-PH/SU-28 0600088/00
Tognella FT 1251/2-01-12 G 1/2,00088381
Kleintges EDCR-ST 90,NR.G-731130-03
IFM AC2216
heidenhain ERN 1331 2048 ID:735117-53
ATOS DH-0141
norelem NLM 27627-201 /FORM KA
Beck GmbH 930.80 222511
cherry ML4400 USB,Color: White
Haegglunds SPDB1-1000
SALTUS DSG-1,,NO:8439000209
heidenhain 617484-05
Patrick Wood 01-42 Tip for staking rivets in tubes 01-42 with 2x3 wires
Honsberg UR1-020GM
storz-hydraulik TB-50
Ahlborn Mess- und Regelungstechnik GmbH ZB2490HS
hydac 0160 D 020 BN4HC
GRIP G-MGW050-2U-V
B&R X20BM11
BALOGH 420XXB4558 Kabel for BIDP170
ATS SP179 266.70X304.80X17.45 L2M
SCHROFF 24560255 X-ESD-CLIP FUEHRUNGSSCH 50ST
Leuze LSE 96M/P-1040-42
wago 750-469/000-001
merkle HZ160.40/20/250.02.204
Goldammer NR 85-MAS-VR50 L500-T-0-MS-M12 Nr.MA308.130
SCHUNK 0371151 PGN+80-2
EGE IGMF 30144
END-Armaturen GmbH & Co. KG KA24-EE43/TM24DC
Vickers 02-334321 PVM045ER05CS02AAA28000000A0A
GLASER 7.9820.43.35
RUKO 229110
NELSON 33908
Honsberg MR-020GM040-SR
GMC ASK 31.3 100/5A; 2,5 VA; KLASSE 1 1715V0140
GTM KA-K-50kN-F-2mV/V
Hawe PMVP5-43/G24
heidenhain ID:749147-02
Rexroth LC 32 A40D7X,R900909665
Contrinex DW-AS-501-M30-120
ABB 769143
Phoenix 1771969
Mahle PI 4108 PS 25
STRAUB STRAUB-GRIP-L 108.0mm EPDM/ES with clip PVDF
Wilh. LAMBRECHT GmbH 34.02520.113000
Phoenix 1653838
hydac KHP-10-1114-04X
Ahlborn Mess- und Regelungstechnik GmbH MA25904S
BALLUFF BWL 4040D-L011-S49
PENTAX C37500KP
avintos Flow Control V46C2-16(Ordernr:0690000213,pressure:1.8-10bar)
Aerzener 158180000
heidenhain ID 557676-06
Dopag D38-5192-011-VI
Beck GmbH 6345
BENZ 695.130E6A22
SCHNEIDER type:XPSAV11113P
norelem NLM 27627-20 /FORM KA
hydac KHB-25SR-1112-02X
HALLITE FRANCE LIMITED 200x 212,2 x8,1
VOLKMANN 110254 Multijector G540
WAECHTER 12500μF 400V
Honsberg UM3K-025GM180-71
Ringspann 4457-901117-000000 DH 015 PFK-620M-12
Demag DC-Pro 5-500 1/1 H5 V8/2 380-415/50
FAG 6004-C-2HRS
L+B GEL2443KNRG3K150E
stearns 5-12-5529-00
GMC SINEAX CAM
Debnar BIM/I I/P:AC 0-1A O/P:DC4-20mA
Baumer 11032606.GXMMW.E18
Maximator MGL60 Collar
Vahle 0910080/00
PMA Prozess- und Maschinen-Automation GmbH KS90-102-0000E-000
Murrelektronik GmbH 7000-12601-0000000
Bornebusch ∮46/30x30 Sinterbronze
dieckers 728350-2450
KOCH BWD250047
PMA KSVC-103-00341-U00
Icotek SFZ/SKL 3,0-6,0
B&R 8CM007.12-3
GUTEKUNST D-207KE
HAHN+KOLB 56926750
heidenhain Adapterkabel 46B012 01 30 15,00 02 ID:288677-15
grecon 561503650
heidenhain LF481C ML 600mm No. 355 530-12
KTR Nabe Rotex38Gg32
EA KA110023 G1/2
SARTORIUS PR6251/14L
Phoenix VS-RJ45-RJ45-94P/8,0 - 1405093
heidenhain LC 493F 720 Id.557642-14
SCHMERSAL IFL 5-18L-10TP-2130-2
Rexroth 5777770220
MBS ASK 31.4 Art-Nr.: 8050
IHG 1612DU
Aris 06-17 300(0429-4002-01003)
MAGPOWR GTSB250-EC12M+SCA
SCHNEIDER XS518B1PAM12
SCHMERSAL AZ/AZM 200-B30-RTAG1P1
TUCKER M108 976
QASS C-WT2.2
heidenhain 533110-01 RCN226
binder 21 55408B1
Stoeber SDS4141
heidenhain ERA4400 6000 ID:532728-01
Lorenz Messtechnik GmbH D-DR2477/M250-G225
Contrinex DW-AS-503-M12-120
emecanique XX918A3C2M12
Phoenix FL SWITCH SF 16TX,Nr:2832849
Winterthur 314101
ATOS AGMZO-A-10/210/6
JBW S036057.0030.12
LEE INKX0514100A
Phoenix 5146662
IFM PN5004
SELET B03G124PC
Boellhoff 23619412004/00
hydac FPU-1-250F2,5G11A3K
Galltec KKC3.Ex 8
Murrelektronik GmbH 9000-41034-0100600
STAHL 9170/10-12-11
Phoenix HC-B 24-EBUS - 1771723
heidenhain 329982-57
NELSON 87-08-92
Rechner KFK028 KFS-5-1-GL7-30-8-M22 & KFA-5-1-PNP-A
Nexoil 1CQ001660
Ahlborn Mess- und Regelungstechnik GmbH ZA1919DKU
arelco fr ARCB210+
BURK MOBATIME GmbH B023 0220 3397
Vahle 236015 (old 230199)
heidenhain K17 L=22mm D1=6mm ID: 296746-02
Induflex 110 11 040 U533 0250 (ALFA LAVAL Art-Nr.4715514)
Proxitron FKM231.13GS4 8043B
Hawe SB0 3 G 2
IFM E12261
B&R 4pp420.0571-45
Ashcroft Model 202 20=202=S=S=04T=150=RF=X=CG=MO
Hagglunds BB 46 K S0 000,Nr:R939002855
Rechner KAS-80-30-IL-M32 nr.816600
Martens BA9624N-1-1-5-0-10-1
B&R X20BR9300
SAMSON SAMSON 2413 1003094 NO 032012
WAECHTER EMG30SP 4K7
Honsberg FW1-025GP011
Staubli RBE06.6806 STECKNIPPEL
maxon Artikel:023739
ROTEX , R 42 SPIDER 98SHA
Bucher WDWVPB-2ND0-10-1
Novotechnik SPK-2501-A1812 NR.038002
GEWES 4416-43-50/03x0300
heidenhain 0.25m cable Nr:653231-N2
Elaflex MB50 EN14420 CW617N PN16
Sommer CFED26000
INTERNORMEN 01E.450.3VG.30.E.P
Rexroth VT-VSPA1-1-1X
WENGLOR Y1TA100QXT3
ATB 122191 Motor
Gelbau 462.46 24V DC
Balluff GmbH BES M12MI-PSC40B-S04G
Turck 6827044 BL20-S3T-SBB
Rexroth DA6VP2A5X/350FSM R901224247
Phoenix TT-2-PE- 24DC - 2838186
HASBERG 12.7mm*5m*0.02mm Stainless steel gasket
nuova general N.013425804; Typ:D7,Dis.N 041-1
Kerb-Konus 307000080.2
METAL WORK W3604000002
Brinkmann Pumps K. H. Brinkmann GmbH & Co. KG STA403/650-AX+198
UNIMEC RS-00086,SN:13/04979
Phoenix MACX MCR-UI-UI-UP-NC 2811297
EA ZE311023
HAUB+SCHOELLNHAMMER BZ100-0100.07, nach AD2000
KEB NMS 40H0-100/1-63S/4-TB,NR.2005/51379
Moduloc MD4001-83
CRE Roeler Electronic CDFM150BX17
Fronius 4201001119
ORGATEX LG-50-L-07
B&R Industrie-Elektronik GmbH 5CFCRD.0512-06
heidenhain MT12B ID:243602-16
Danotherm Typ ZRF 55/480 013 100R 517
HO-MATIC 10020.000.000
parker P2M2V4EE2CV
kabelmat Wickeltechnik MESSBOI 30/012 85001000
heidenhain Adapterkabel 0TB014 ID:547300-03
ODU Steckverbindungssysteme GmbH & Co. KG 209-745-004-037-000
TITGEMEYER 631805000
KUEBLER 8.5888.54C2.C212
SPATH VSW-30-05-1
CLOOS 43520006
Dietrich Schwabe FP3-6066TP-015FG G1/2"
Murr 7000-18021-2261000
Z-LASER Z10M18BF-635-LG90 LAP-03-HDL-63-A4
KSB Gleitringdichtung-KSB NU028S0-1
heidenhain 586657-26
Aeromatic 2.168.015
GISMA 22.08.3.00.02
TUCKER M069 316
Point Grey ACC-01-2017
Buschjost 8240200.9101.23050
PILZ PSSu E F 2DOR 8,Nr:312225
Weko 610710
EBERLE Controls GmbH LSW-3/020
Innomatec GKA 05-07
hydac EDS 1791-N-250-000
coax KB 15 Nr.546180
Murr 7000-14061-8410300
hydac ZBE03
Schmidt SCHMIDT ManualPress 307
Contrinex DW-AS-513-M30-002
zimmer MBPS3501ES1+PMB35-7
SCHUNK SWB-FR 130 0120400
storz-hydraulik CBA-40
Phoenix SAC-5P-M12MSB/ 2,0-900/M12FSB Nr.1507191
Votech DuoToV 90/838 Φ152xΦ90x838 mm
Wolfgang 2560.890.2.S
LUTRONIK BV3.815K3 0-24V
TRsystems GmbH PBD-20-001 Nr.703-10003
Vahle U10/25C-6 PH
Rexroth HMS01.1N-W0054-A-07-NNNN
BREMER Transformatoren GmbH IGE100
heidenhain ST 3077,ID:375137-01
Sommer NJ3-E2
Indukey KF08262
LTA Part no.:49.01073
MULCO Al38 AT5/48-0
hydac N5AM002 ,349677
Rexroth 4WRAEB6E15-2X/G24N9K31/A1V R900913454
Rechner KSA-80-250-S-BB-5 Nr.561150
Saltus Technology AG AVP142F001
SCHUNK MMS 30-S-M12-PNP S-NR:0301571
SCHROFF 24560130 NTS TORXSCHR M4X14 (100STK)
Burster 8416-5200
inmess HDT-8M-880
heidenhain 511395-03 ST1277 TTL*5 100KHZ
MagZero Ruota Portafiltri Motorizzata
sew KHF37 CMP71M/BP/KY/AK0H/SB1
Bucher CINDY 16-B-SVS-S200-A-G9-1
heidenhain LS 706 270 ID:336965-13
Murrelektronik 7000-18081-2261000
norelem 04250-101
Honsberg MR1K-020GM010 1-10L/min
JM Concept JK3000A1
heidenhain ERN 1387 2048 62S14-70 K 0,00 .. 65B.. 40 09 .. ..727222-56
RC Kalle GmbH Reipo - Reinigungs- und Polierpaste 1 kg
SIKO DA04-1097
Boellhoff 10530105000
CHAMBRELAN RA31-0200-0
E+H FTL260-1022
heidenhain APK 02 05 0,25 ID:607720-N2
KTR GS Gr. 38, mit Zahnkranz 98° ShA auf 6.0/Φ28H7- 6.0/735H7
Fuchs TKFSF08
BICKER BES-540C
IFM II502A
storz-hydraulik PPA-50 m6
Vogel 284176 H100 i=1/1
SCHMERSAL AZM 415-22ZPK-2652 24VAC/DC Nr. 101204319
heidenhain APK 02 05 ID:643450-01
heidenhain LC483 ML1340 +/-5um Nr:557647-21
Phoenix MACX MCR-EX-SL-RPSSI-I,Nr:2865340
SERTO SO-42521-12-1/2
GOSSEN 2594PDC1
KAESER 9.4875.0
Phoenix 1688793
Werthenbach DGMFN3Z-PZW-41
KUHNKE K-S-GE-BI
hydac 0500 D 010 BN4HC
Epro PR6423/019-020
Honsberg MR-020GM040
Hoentzsch CV-30
SOMATEC PRVA 8M rechts; 1108
Phoenix SAC-12P-10,0-PVC/FS SCO - 1554885
Murrelektronik GmbH 7000-18021-2160150
Proxitron LLK4 ART Nr:6436I
Graff GF-7132.1.EL=160.NL=200.0.82. BK.150°C
Gemue 88257690 + 88298041
PILZ 312200
hydac 0110D010BH4HC
speck SEV-1 075560006
suco 1-1-80-652-002
Sommer KG 40
E+L FX 4631 (replace FX 4531)
richter 101984
Staubli RBE06.6150
Beckhoff Automation GmbH EL6751
SCHUNK GWB44 0307136
Murrelektronik GmbH 8000-84070-0000000
Bornebusch ∮40.0/50.0/60.0*40.0/5.0
SITEMA GmbH & Co KG KSP 025 01
binder 21 55408B1
norelem 07320-08
Maximator GmbH VP16.03.123 NR:3630.0791
parker 7029111293 PGP620A0260CC1H2NB1B1E6E5
schmalenberger Z 40-16/2-3 IE2
TWK IW254/40-0,5-T-PKS5
FLEXBIMEC art.no. 9315+28710+6801+6884+6885
Multi-Contact 33.3001
Murr 7000-89721-7910100
WMH-Herion 110-040-036
Schmidt HP 2.5
AFY 130 015 G
MP FILTRI D MPF-180-1-A-G1-P10-N-B-P01
Bieri hydraulik WV700-6-2/2-VO-24-P-A*00
Tiefenbach IKX177L212 L=2m
parker P2M2V4ES2CV
ganter GN 114.2-10-40
BERNSTEIN 6008116013
SAUTER 110759
SALTUS 4027005975
Baumer Nr.10218479 FZDM 08P1001
ARCA 827A.E2-ASH-M10-M
PILZ 512110
HAHN+KOLB 50654320
HOFER Hochdrucktechnik 036-00009
Hawe RZ6 0/2-28
ODU 180.545.000.307. 000
ATOS E-ATR-7/250/I
BALLUFF BOS 6K-PU-1LHA-C-02
ATOS AGMZO-A-10/315
EMHART M153 768
MCS 620.03.008.51
EBSO GmbH EBSOMAT 30-1 Inklusive Netzteil und SMD-Adapter
Rexroth 3842503786
KTR RotexGS19 6.0
Murrelektronik Nr:857781
Dopag C-30-03-056+057
Datasensor S15-NA-5-C11-PK PROX MID PNP M12
EBERLE SSR-E 6905
Schmidt DX2-5000
Sibre EB2000-60
Gemue 807R40D 72114 169 5000
PULSOTRONIC Nr.:9912-0010
EA MBMG2Z122263008 24VDC
Fibro 2061.47.019.077.30
ATOS PVPC-C-5073/1D
Rotronic HC2-S
Jungmichel SIZ 75PSS
burkert 45293
Icotek KEL 24/10 NR.42241
Schnorr 016100, 91005-152-5006
DOPAG Dosiertechnik und Pneumatik AG C-419-01-00
SALTUS 29/1 Vierkant 3/8" X 40 (DSG), NO:8439002220
Baumer 10112896 IWRM 18U9511
CONTRINEX GMBH DW-AS-503-M8-001
Rechner IAS-10-A22-S;IA0248
heidenhain ERN 1381 2048 id:727222-57
JITEX 10-0075
parker D51VP101D
Hoentzsch HBVAZG8EXD
KALEJA Bez. -ELR-50-30 Nr.02.06.201
BAUER BF70Z-44/D09LA4-S/ESX010A9/SP
PERMA 104684
S.A.T. 1TZ 9501-1DA23-4AA4Z
Bruel & Kjaer GmbH AO-0038-D- 06
ganter 330-M12X1-12-W-5
BIKON DOBIKON 1012-070-110
SARTORIUS PR5210/00
dynaset HPW 800 / 30 - 140
SNR UC.210.G2
Maag NP 28/36,50134849/030
Hubner berlin HOG220 DN 1024 I 95H7
HYDRACELL C22AABVSSEF
ETL 201967
VALPES ER20.X0A.G00
Rotech APF3SAREAZ10TT ALB-Modul with P+F SJ3,5-SN
LTN G71SSKSBI-1800-120-24
RUKO 102123F
Gemue 554 20D 99551 2061
norelem 04350-10
emecanique XCS-A701
norelem 07534-12X30
Grecon ID599712
Phoenix PSR-SCP- 24UC/URM4/5X1/2X2/B Nr.2981033
WENGLOR LN89PA3
Camfil 220152AT
Staubli RBE 08.1102/IC/HPI/OS
storz-hydraulik CBB-63
Hengstler 0522657; GEBER RI58-O/ 2500AS.71RD
Staubli CT 33.4057
Duplomatic DSE5-A60/10N-D24K1
Mahle PI 3145 PS 10
Kral AG(pump) CGF- 450.BAAFK.00345
SPM VMM-14
roehm NR756340 SPANNSATZ KP IKZ F.SK40
binks 818830
HAHN+KOLB 11020341
Spieth MSA30×1.5
Fraba OCD-DPC1B-0012-C10C-H3P-134
heidenhain EXE602E Nr:246842-02
STRACK Z5140-0 (Mould 5-010)
D+P FLC06 DP-S-006-000006
Murr 7000-44511-7960600
KAESER FSD571 6.3465.0
horstmann HR-ST Nr.51-0205-010
Murrelektronik GmbH 56611
AEG Thyro-A 2A 400-100 H RL1
Amtec K-120.210.620N
Funke TPL 00-L-12-11, Serien-Nr. 630 659
Phoenix SAC-4P-10,0-PUR/M 8FS - 1683484
Wandres FD 14 014-020
KOBOLD DAF-1107HR40
Schlick 37646
Turck P1-Li-Q25L
HOMMEL-ETAMIC 509013
Jean Mueller GmbH N3017200 M3GL800 VKC
KTR DIV 200-110x155
SCHMERSAL SRB-NA-R-C.21 24V
Rexroth R900927478;2FRE 16-4X/125LBK4M
OMAL SR30-F03-F05 Nr. SR030401S
ROSSI RV63U03A/10 R000047300
PILZ PNOZ X4 24VDC 3n/o 1n/c 774730
SOFIMA MSZ 401-MN-X-S-B-8
Bucher 301RC077478-ET 24VDC
Phoenix SAC-12P- 1,5-PVC/FR SCO Nr.1554898
IXYS IXTB30N100L
heidenhain LC 183 840mm ID:557660-07
Rico-Werk DT30NF/3150
Hawe RK1E
AXELENT W322-220100
Proxitron IKL 015.38 GS4 NO.2319E
Netter NCB 3
Multi-Contact 33.0148
P+F KFD2-UFT-Ex2.D
LORENZ K-K450/N520-G23
Mankenberg Material Certificates 3.1
Harmonic HFUC-40-50-2A-GR-SP, Material-Nr.: 40505801, Zeichnung Nr. 8040.0000.00.54
Proxitron LLK4
HARTING 9200102812
Warner KM1D0240050A04LN um 90° gedreht
stuete E 12WHL /STECK
LEE LC-067GH-11M
PMA TB45-111-22000-000
CARLO RGC1A60D20KKE
Dopag C-40-01-075
Rexroth 820055052
Rexroth 821300237
KANT 802-10-221
LANICO 3-0303-1554 Profil: E3620A25GB
Vahle ES-KKE4/40-63HS,0600010/00
Frizlen FZZMQ400X65-60
WSS 2.13E+11
E+L 00204474 AG 2491
BALLUFF BES R04KC-PSC15B-EP00,3-GS49 Nr.BES01YE
PMA BGN-S48T
norelem 06962-07911811
Mel MI250-B/NJ25-15m NR3252515
Honsberg HD1K-020GM010
Rexroth 4WRTE16V125L-4X/6EG24K31/A1M; R900954275
STEINE ST7106.20X100
SPIDEX SP280080+SP280353
SCHMERSAL 101008349 MBG543
Eurogi EAGS1024\230-400 Nr.11E002231
Hengstler 0 464 165
norelem 02090-05
GETT TKL-020-POS-white
ATOS QVHZO-TE-06/12/I
Mac 58D-83-RA 3/2 0004460
Rexroth DA6VP2A-5X/200FSM R901224233
CARCO SEAL/UN/SPLIT-S820 180X210X15
Proxitron IKQ015.38G
Lenord+Bauer GEL 2432T-1BC600
ATOS ADR10
SIEMENS 1LE1503-1EB49-0JA4-Z M1D+Y75
heidenhain ERN 1387 2048 ID:749147-02
Geppert Typ GRW 74/0,37
Spieth DSL 40.62
KTR RUFLEX-3-3TF-15-D40
SIKO DA02-0027
GJC 5025000 calibrated at 1.0 ml/min
SIEMENS 6DD1682-0CH2
Honsberg HD1K-015GM020-45
THIEDE 9-4079.1SO2
Balluff GmbH BTL5-A11-M0750-P-S32
Sommer GD316NO-C
Murrelektronik 248417
HOMMEL HW 902(032.90081) ID:M0435088
WENGLOR IM020BM45VB8
Ahlborn Mess- und Regelungstechnik GmbH MA28909
Maxitrol R 400 SM-33-G-0
B&R 8MSA4X.R0-67
ASS GRZ 10-10 CS ,Nr:1-410-18-00
Tyco 793TED4208P5H4L
HOMMEL-ETAMIC 196705
FSG PW70dA AN:1708Z03-065.011
Hetronik HC510-RK-8-230
Murrelektronik 86327
Honsberg FW1-015GP006-1
HOFMANN 1317100
EBARA EVM 5-14N5/3,0
Anton Paar DMA 35 PORTABLE DENSITY METER NO.84138
Hoffmann 113740
heidenhain 558714-20
RUD VRS-M16
GUTEKUNST M-026
MAEDLER 61561600
heidenhain 558727-15 Adapterkabel
STAHL 150577 Typ : 8570/15-306
Rexroth DBEE 6-2X/200G24K31A1M R901324603
IBC MMR 65
Gemue 822 50D 72114 17311000
Hoentzsch A010/520
SALTUS DSG-00A,5NM, NO:8439000207
ZF 4161.301.328
Ahlborn Mess- und Regelungstechnik GmbH MA28909
Wilo MHI202-1/E/3-400-50-2
Hilge 3A1-001-28 aeE O3
Boehmer MLG V 032.720
Lambrecht 34.02520.022000
Vickers SBV11-8V-0-0-24DGP
parker SA10-2-R3/4-R1-RR
Mahle PI 0121 SM-L
Reichelt PATCH-C6 5 GR
Kaefer 573/10H
Megatron MM R 10 11 R10K W15% L2%
Euchner CES-A-LNN-SC-106601
Gemue 554 15D 99510 2061
SCHMERSAL SRB-NA-R-C.14-24 VDC Nr. 101025532
Mahle PI 3108 PS 10 Nr.77680341
m&h 91.10-HDR-15
T-drill 5310411
Mahle PX37-13-2-Smx 10
suco 0184-457-03-1-003
legrand Nr.01691
APPOLDT POK24/7.5-2P 7.5A NR.2107-1P 15-24VDC
Heraeus 9759286
Turck IM36-11EX-I/24VDC NO.7509525
Mahle Pi 5105 PS 6
joventa DML1.1
Euchner CES-A-BPA Nr.098775
legrand 44211
heidenhain PWT18 Nr.325413-01
Verder VA15DP AC BN BN TB OO NO.810.6762
Faster HNV 1 GAS F5,NO:STM-HNV-IG1-25MS
hydac 0110 D 010 BN4HC /-V ,1251438
Baumer OHDM 13N6901/S35A
Staubli Zeichnung B27583925
fischer TW36B120L060
IFM AC2225
motrona BY340
Turck NI10-K20-AZ3X Nr.43585
Vahle 0254892/00
heidenhain Fitting with throttle ID:226270-02
TEAFLEX PG21 3X7MM GPR21M0307
KLEINMICHEL L09993246
Sommer GK35N-B
DEUBLIN 1005-020-045
IFM DI602A
IIM 301.0004.10
Settima GR55 SMT16B 380L V
AGATHON 7611.019.043
Jokab 2TLA030054R0100
Warmbier 2590.32189.43
Sommer GD320S-C
INA SL024916-A
WEBER 3201.03/24VDC
OEMER germany QL 100L, 7,5 KW, 1500 rpm, 400V-50Hz, 47,7 Nm, 16 A, IP54-IC416, mit Drehgeber VFS60 5V TTL, 2048, RAL7037
CEMBRE Gmbh RF-P8
FRIEDRICHS FILTERSYSTEME GMBH ACE TS 6970516801
EMHART M156 397
BEFELD-SYSTEME GmbH TPS 6
heidenhian Nr.337148-01(DA 300)
BST F60-Device Nr.:118256S1518
HARTING 9990000004
HIRSCHMANN RBC162AG Nr.731724-221
Beck 901.78111L4(-300~-700mbar)+6345
GSR B0051.000161,K0510390
Phoenix SACC-M12FS-5SC M - 1508200
elwa GS342-0060000
BIKON-Technik GmbH BIKON 4000-070-110
Staubli RBE06.1906/FB
Phoenix ID:1681648
Hawe CMV1B-370
SEEGER PS16x22x0,5
BIKON Bikon 1006-110-155
HARTING 19300061440
heidenhain Kupplung K17 ID:296746-01
MICRONORM Woronka MTZ-32-100-SB
hydac KHM-32-F6-11141-06X
PILZ Nr.774544 PNOZ XV3 0.5/24VDC 3n/o 2n/o t fix
SCHUNK 9939384 ZHU 6
Oehlbach DVI-D 1000 10m
Sommer CORO460200
coax 548043
PILZ PNOZ X3 24VAC 24VDC 3n/o 1n/c 1so 774310
Siemnes 8WA1-808
SICK DFS60E-BECK01000
Beckhoff Automation GmbH KL2022
VEM Plasüfter KPR 160/4
heidenhain 534901-53
Phoenix IB IL AI 2/SF-PAC
Lenord+Bauer GEL2443KNRG5A030-E
Graff Article:122969; Details:HLP 12,5X153/140 800W 230V G500EA90
VMC S.p.A 510.0600 V01 REG.ASP. R90E/V 24V
Wehrle WH10 485 008
DSL Type HGL-C-230/11,5-5,8-5P Art.-Nr. 2.135.125
HARTING 9150006226
BAUER SG3 575B(old SG3 575A)
Rexroth 820022986
HASBERG _0.06mm-12.7-5M
Sommer ZUB0050
Honsberg UR3K-032GM270 with Protective bellows
JUMO 606201/2310-826-02-2000-750-8-000-96-00-350/315
Fronius 40.0001.0054
SHL 22085
B&R Industrie-Elektronik GmbH X20AI2632
kistler 9331B
Rexroth 3DREME 16 P-7X/250YG24K31F1V,R901309623
Contrinex DW-AS-504-M18-120
FMS Force Measuring Systems AG LMGZ310.750.50.H14
Spieth MSA 35.1,5
串聯式開關電源輸出電壓的波形圖
式中Ton為控制開關K接通的時間,T為控制開關K的工作周期。改變控制開關K接通時間Ton與關斷時間Toff的比例,就可以改變輸出電壓uo的平均值Ua 。一般人們都把 稱為占空比(Duty),用D來表示,即:
占空比計算式
串聯式開關電源輸出電壓uo的幅值Up等于輸入電壓Ui,其輸出電壓uo的平均值Ua總是小于輸入電壓Ui,因此,串聯式開關電源一般都是以平均值Ua為變量輸出電壓。所以,串聯式開關電源屬于降壓型開關電源。
串聯式開關電源也有人稱它為斬波器,由于它工作原理簡單,工作效率很高,因此其在輸出功率控制方面應用很廣。例如,電動摩托車速度控制器以及燈光亮度控制器等,都是屬于串聯式開關電源的應用。如果串聯式開關電源只單純用于功率輸出控制,電壓輸出可以不用接整流濾波電路,而直接給負載提供功率輸出;但如果用于穩壓輸出,則必須要經過整流濾波。
串聯式開關電源的缺點是輸入與輸出共用一個地,因此,容易產生EMI干擾和底板帶電,當輸入電壓為市電整流輸出電壓的時候,容易引起觸電,對人身不安全。
串聯式開關電源輸出電壓濾波電路
大多數開關電源輸出都是直流電壓,因此,一般開關電源的輸出電路都帶有整流濾波電路。圖1-2是帶有整流濾波功能的串聯式開關電源工作原理圖。
heidenhain 559308-05
NARVA H2 24V X511 Nr:48720
HOSIDEN BESSON 8503100 - Banshee Excel Externe Befestigungsclip @
VIBRO PNR 111-402-000-013 A1-B1-C040-D000-E010-F0-G000-H05
heidenhain 572250-04
ATOS SP-COI-230/50/60AC
ODU 252.061.001.037.000
PONAR 2FRM5-32-6Q
Murrelektronik 7000-40701-2330500
DRAGO DN28 P-12
PERMA 104877
Micro Innovation OS-FLASH-A1-C
ADZ ADZ-SIAL-10.0-1-EMI ArtNr.: 802282D
FLENDER N-EUPEX B 80
CEAG 438426;GHG 511 4406 R 0501
FERRAZ SHAWMUT 1657.035
Jokab 2TLA010028R1000
ALMEX HT-RLP-001
PILZ PSSu H SB DP,Nr.312025
KOBOLD TMA-064031124
Dopag D38-5192-131-VI
Elobau 424A00A090
schmalz 10.02.02.03796(SXPi 30 IMP H M12-8)
Sommer SF74-180N-C
Wagner 3AC 5,1mH 10,8A NR:0216316
ELABO F9-1A
Noding MeBtechnik GmbH P121-400-G11
DEUBLIN 1109-840-835
Gemue 815 32D 72114 163 2500
Phoenix QUINT-UPS/ 24DC/ 24DC/20 - 2320238
ACLA-Werke 42404
parker RDM2PT35SVG15
norelem NLM 03031-04
Haegglunds SPLL85A-15
celesco PT-9510-0075-121-1110
Turck FCS-GL1/2A4-AP8X-H1141 6870204
Mecatraction DE 50-12 nr.7360756
miniBOOSTER HC2-3.2-B-1
COMSOFT 4000-7-06C-H NetTEST II
Buhler UNN -44046-403
SCHMERSAL IFL10-30L-11STP
geta TX-5114
phoniex SAC-4P-MST/ 0,3-PUR/FST SCO Nr.1408806
socomec 26990031
heidenhain AELB382C Nr.315420-04
AutomationX aXlink100
Juergen Jordan GmbH KA177269 ICP22DI450000
Brinkmann Pumps K. H. Brinkmann GmbH & Co. KG TC160/430-MV+211
Pister DN10 LC PN315 NBR STA
Buehler P2.2 ATEX || 2/2 G c ||C T3/T4 X
norelem Normelemente KG 02040-1101
OTT 95.600.073.9.2(HSK63)
AirCom R308-P0CK15
PILZ PSENme 1S /1AS 570000 BD2
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Yamaichi Y-CONTOOL-11
STROMAG 401-03516
CROUZET Millenium 3 Nr.88970510
Murrelektronik GmbH 857781
FEAS PSGK05
Icotek 36500
pliz PNOZ X1 24VAC/DC 3n/o 1n/c Snr:774300
Kiepe PRS S-NR:91063293001
Vahle SA-KDS2/40/04PH-88/15-0,5 0168073/00
BALOGH 420XXB4558 TAM931/8K
SCHMERSAL 7-119-WASI-ST02-2TS
ASTRO ASM 46PG 2550-007563
T-drill 5310412
SCHMERSAL 101008353 MBG554
Woerner DPI-D/09D0A
Vahle Art-Nr. 102970 GSV4/8
Rinco 6541 Vorschub V 70 - 40
SEIMEC HPEV 80 XA 2 230.400V RC00023917 entspricht Seriennummer 38887/08
Magnet-Schultz GHUZ 040 M30 A01
SIEMENS 7ML1115-0BA30
Phoenix IBS RL PLUG-LK/POF - 2731076
Phoenix SACB-8/ 8-L-10,0PUR SCO P Nr.1452709
Conec AG Artikel-Nr.: 79959A,Bezeichnung: PD 2310- 5K05A165FZS217
SIt Powerteam PT 9793
Dressel 1121020453 2xNiCrNi type KL=450MM
Euchner CES-A-LMN-SC
microsonic Nr.320-520-719 DW-AS-503-P12-621
wachendorff WDG-58A-1024-ABN-I24-S5
SPECKPUMPEN Y-2951.0328
MC 19.6707 BP 8-TJ/25
INOR 70APHRF001 APAQ-HRF
E+L feeler lever right
Novotechnik IP6501A502
L+B 2443KN1G3A050ME
Westlock 2004-S-FC-2A-2M04-CS-U
L+B BK 1180
Rexroth 820022957
KSB 1LA7163-2AA66-ZX77A
B&R 8LSA44.EB030C100-0(for 8LSA44.E3030C100-0)
Legris 3601 08 10
Jokab 2TLA030051R0000
Roller&Fischer A.-Nr.001 016 0000
speck Getriebedichtung zur NP 25 Art-Nr.: 06.1036
microsonic mic+340/IU/TC
Phoenix VS-RJ45-RJ45-94P-2,0 - 1418109
SALTUS 3029093840 29/0A-3/8"X40
Phoenix IFS-USB-PROG-ADAPTER Nr.2811271
B&R Industrie-Elektronik GmbH 8BVI0028HCD0.000-1
B&R 3AI775.6
MICHAEL RIEDEL RSTN1300UL-CSA 1,3kVA IP00 AC380V//AC24V,50/60Hz
heidenhain 631703-17
Honsberg UR1-020GM
Murrelektronik GmbH Nr.5546100
Bruel & Kjaer ASA-020
heidenhain 682434-25
Hoentzsch NT SN.:A000/560
AirCom R160-04C11_01
heidenhain LS 477 420 ID:605365-28
Juchheim ATHs-22
STROMAG 51_75_BM2Z_899
SALTUS 8606001828
Woerner VPB-B/10/4/0/RS/14/14/14/14/20-P
IFM I7R201(IFM)
RUD VRBS-4
VEM Plasüfter K20R250 4polig
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Buschjost 8240465.9136.02400
Corbetta MEM56ST.
Vahle KVM 600005
BEI sensors RAL-020-016
SANKYO SWE50.20.20
Dopag C-419-00-47
Turck TNLR-Q80-H1147 Nr.7030230
heidenhain 557653-14 LC483
PILZ PSEN sl-0.5p 2.1 / PSEN sl-0.5 1unit,570501
Turck BS4151-0/13.5
BOEHLER UTP 86FN D2.5(31.5KG)
JANITZA 52.16.002
ETA ESX10-S127-DC24V-1A-10A
Vickers CV3-8V-P-0-004
DENISON 4D02 3208 0302 D1G0Q
Contrinex DW-AD-621-M5
J+J CH063 SR 4/4
BANSBACH D0B1Z-3-075-183--002/500N
Aerzener 158179000
B&R Industrie-Elektronik GmbH 7cp476.60-1
norelem 07320-22
zimmer MFS204SKHC
Jokab 2TLA030054R0100
SICK DFS60B-TECK01024
MGV DG37-05121-2G
motrona GV 481
speck Nutring LRF NP 25/41/50 und RE Art-Nr.: 06.1310
finder 60.13.9.024.0070
HBM 1-MP55
Eurogi 61E024990/EMAD208/010
Norgren 8.81319E+14
Rexroth R412006571 MU1-FLS-G200-SSN-AO-08,00
KNORR KU4128 1208425101
ELECTRONICON E62.C58-102E10(253.620-30651)
Rexroth 4WRKE 16 W6-125L-3X/6EG24EK31/F1D3M;R900249892
MBS Art-Nr.: 54011
pizzato FR 555
microsonic MIC+130/IU/TC
KSR-KUEBLER ASC4RPP1,5"-VU-L240/12-B40A
TANDLER Type: 01;Raederanordnung: III;i=n1:n2=4:1;Serien-Nr. 146968
Phoenix SACC-MS-5SC M SCO - 1432567
RTK ST5112-33
Debnar PQR48 0-250μA
parker PVAC1PCMNS3520
Mayr 4000021 RN2 Reibbelag 1;2
Ari-Armaturen ARI-PACO 1,6D (Leistungsaufnahem 8VA)
ATOS AQFR-32
Honsberg MR1K-010GM004
m&h Produktions-Messtaster PP41.00
BENZ WR7050900536
Rexroth VT-VRPA1-151-1X/V0/0
Sommer Automatic SEF30S
Honsberg RL-020GR
B&R 4PP320.0571-35
Fuchs MKFTEU5
Bihl+Wiedemann BWU1897
SIEMENS 6SC84610AA000AA0
ASS GRZ 10-10 CS ,Nr:1-410-18-00
Schweizer DF-1643
Hawe SB0 5 G 3
parker EW06LCF
ATOS JPG-211/210/V
Glenair IT4106GFA32-68S PG29 N4
Murr 7000-29481-0000000
Durag D-LX 200 UA-20/MP Nr.1117783
GESTRA EIN-Elektrodenger?t,NRS 1-50
item 0.0.416.85
Bosch Rexroth 820055601
heidenhain 385438-31
KRACHT KP1/4 G10A K0A4NL1
MP Filtri 8MF1802A25HBP01
HASBERG 1.0*100*5M-S Nr.0634
habermann HA9605,EN 61558-2-6 EN61000-3-2 EN 61131-2 CE
Hasco Z807/13/18*1.5/S
IFM AC2255
Rexroth FES 32 CA-30/450LK4M
STAHL 9165/16-11-11
PONAR 2FRM5-32-6Q
BERNSTEIN KIB-M05PS/001-KLSM8 6502999018
BLAIN separaten Manometer PG für KV
Norgren SXE9675-Z50-60/23N
heidenhain APK 02 Nr.533631-01
BALLUFF Nr.BNS00CT BNS 819-D03-D12-100-10
hydac 0500 D 003 BN4HC,1260908
Leuze IHRT 46B/4.21-S12 Artikel-Nr. 50112941
evg FRVF -1600-KA-SA NR:26487
hilscher NL 50-MPI NR.1701.430
AirCom R160-04B02
item 0. 0.442.14
Rexroth 820055051
Hawe MP34A-H2.5
ATOS DLOH-3A/R-X24DC
ROLAND SCI20S-GG-TE(20m)
Ac-motoren Type FCA 132 SB-2/HE,Bauform B5/300 mm 7,5/9 kW
Chiaravalli 060010104004064 CHM-40 40 63B14 U
ATOS E-BM-AC-05F
CEAG GHG 511 4506 R 0001
GROSCHOPP IGK 90-60B
parker P8S-GPFLX
igus FJUM-11-20
Watt WAC101LA4(3BWAC100L-04F),3kw
Sommer ZK22CC793AJ
Honsberg UR1-025GM
IMAV DSZ-06S-B/1.0 MM
Lumberg RST 5-RKWT 5-228/3 M
Turck SI15-K30-Y1X NR1007601
Stemmann LP60SL 40 WEGE,626225,439134
Converteam PCB029-152892
Vossen PTB0-03
Woerner VPA-C.B/10/0/W/0/90/90/90/90/90/V
ADAPTRONIC NK001590
Rexroth 820055051
heidenhain AK ERM 280 Nr.393000-07
SCHMERSRL BNS33-12Z-2187-10
MATRIX 1EB035-47
GROMELLE BSP LA0701200 1/4
ZF PG050-DAF007-0AA0 4152.062.013
PV-Engineering GmbH PVPM-SKV 8
Haegglunds SPDB1-1000
M&C TechGroup Germany GmbH 90S0020,FilterelementS-2K150
Temporiti GSBT-K6-200
Phoenix MACX MCR-EX-SL-IDSI-I - 2865405
Eltra EL90A1024Z8/24L10S3PR
Bucher DWPBU-2-10-SNV10-1 NO.400554043
ServoPress Maschinenbau RST B10 D160 PPX Q24 F4 G72 R
KUHNKE K-F-SW-BI
Phoenix SUBCON-PLUS-PROFIB/90/SC ID:2313698
EBRO TFN 520 Thermometer 1xLemo Gr. 0 Thermofühler
ASM GmbH WS-KABEL-6M-LITZE-D8
ABB 1SBH137001R1144 KC44E DC24V
wachendorff WDG-58B-1000-ABN-G24-S3
Murr 7000-88001-2300030
SIEMENS 6SL3995-6AX00-0AA0
AirCom R160-04B02
E+L 309607
SIEMENS 1LP6207-4PM90-Z
Carl Rehfuss GmbH SR140Z-IEC100/112A
heidenhain 526974-12
Perske KRS 51.14-2D-0102 , Nr.01148690
KabelSchlepp 52338
IFM E70381
Rexroth R900932943,DRE6-1X/100MG24K4M
parker ZHM100/450
Vahle MG-SW10-165093
Aerzener 122562000
AXOR MCBNETD-4/8-M220-R1-S-R0-10X-XX -
heidenhain 6m cable ID:310128-06
hydac HDA 4744-A-400-000
SIEMENS 3RF2370-3AA04
INOVA 304.100. 00
Demag 26089384
Faster HNV38GAS-M2V
Contrinex DW-AV-603-M5-175
rowa BB-300 DH-M
Vogel PSR0216GBS438J05BA
Phoenix 2882640
Hawe SGOW-C
Murr 85069
GETT KE07301
hydac ETS386-2-150-000+TFP104-000+S.S
Phoenix VS-PPC-C1-MNNA-8Q5-EMC?ID:1403367
Ahlborn Mess- und Regelungstechnik GmbH FHA646E1C
HBM K-U15-5K00-SB-S-P-G-J
hydac HDA 3840-A-350-124(10m)
Hawe LB3G-80
schmalenberger SZ 40-13/2-2,2 IE2 Ersatz fuer 2011004654
Kuka 168334
Eldon EGK030
Phoenix MCR-C-I-U- 4-DC 2814511
GUTEKUNST X130-10L
MTM POWER Elektronik AMD 5.1 mit Montageplatte mit Schraubverschluss Well-Nut
KUEBLER 8.5868.1231.3112
heidenhain Adapterkabel 0TB014 ID:547300-03
Hoentzsch KLB
Mayr Art.Nr.7012443 Type:500.200.0
Spieth MSR 45 1.5
EA MEMG2S322243015
PILZ Nr.774709 PNOZ X10 24VDC 6n/o 4n/c 3LED
Turck FLDP-IOM84-0001,Nr.6825330
wenglor sensoric gmbh YP11MGVL80
Phoenix SAC-2P-MSB/ 1,0-910/FSB SCO Nr.1518122
IFM SM8000
Bieri hydraulik WV700-6-4/3-U-24-P-A-00
Phoenix PLC-RPT- 24UC/21-21 Nr.2900332
steute WF 1S/1S mit 7 m Kabel
Baumuller GDM012Z-44U2002 0858/0400x1-C 2ZR,24VDC ,NO:00384412
motrona IV251
Mahle PI 2005-056
MOOG GmbH D633-317B
Salzer H408-41300-033M4.
wampfler 081101-0022
Boll & Kirch 5218298
ATOS DHI-0713
heidenhain LS 603C 820 10,0 C001,Id.336973-83
Frizlen FDWZQ5180104-20
Sommer 126.0108
IIM 301.0004.10
Aerzener 116818000
HYPERTAC SPNA-12U-FRON-16914 12PIN
B&R Industrie-Elektronik GmbH X20AI2622
Camozzi 358-011-02
Gemue 610 15D 78205211/ N0AE05
IFM LK1023
Turck RSS4.5-PDP-TR Nr.6601590
Aquametro AMFLO MAG BASIC DN125
Block NKD 10/2,93
OMAL D101H004
AREVA 6915238439 TYPE R DN50 PN25
Jokab 2TLA030051R0000
STRAUB Art. Nr. 21150,STRAUB-GRIP-L 139.7 mm EPDM/ES
brinkmann TFS480/20-NW9+439
KUEBLER 8.5883.562B.G223. 0050
ATOS DH-0144
Murr 7000-08061-2310150
BALLUFF BTL1T8K BTL7-E501-M0400-B-KA02
HECO DTS 1-1050
balance 9NAR0000001000
Sommer NJ8-E2S
Contrinex DW-AS-503-M8
Saltus Technology AG DC-00 AX
FSG PW70A Art-Nr:1708Z03-352.008
norelem 03325-12X40
SCHUNK 30015222 PZB 160 IS V
heidenhain 3M Cable ID:344228-03
Ringspann STS5069
heidenhain LS187 ML340+/-5um ID:526971-03
Phoenix VS-SI-FP-2F Nr.1658532
hydac ZBE 08
IBR Funkstation F604012
Beckhoff Automation GmbH KL1104
Ari-Armaturen ARI-PACO 1,60kN
Phoenix 2900750
JITEX 02-0091
Harhues & Teufert GmbH OGA-03-25
speck 1047.0175
hydac EDS344-2-016-000
Phoenix PSR-SCP- 24UC/URM/5X1/2X2 - 2963747
Ashcroft Model T5500/T6500 100=T5500=S=L=04=L=6BAR=X=GR=MO1=NH=EN
Murr 4000-68000-1200000
Mahle 77925027 PI 13010 RN MC 10
SCHUNK PGN-plus 100-1 Nr.0371102
Georgii Kobold 37 0033 0001 KTY 6284.04 F-RAN/230/WK/WTY/S-1
Kiepe PRS 001
CSM Omni drive USB2 LF/SD
CAMLOC 50E8-5S
heidenhain ERN 1331 1024 62S12-30 K 0,00 .. 65B.. 40 09 0050 HT RV HTL 20 01 .. 735117-61
ATOS DKZOR-AE-171-S5
rohmann EK-2-099/1
KTR Bowex28M(Kupplung M Bowex Gr. 28)
LEM PCM 20-P
Synotech PCB-JM353B18
Ahlborn ZB2490GS2
kendrion 43050005
KUEBLER 8.A020.3B52.1024
coax 548041
Marchel GmbH 2013040,Typ 401001 Filtereinsatz
Kraus & Naimer KG125 T103/79 STM
ultrafilter GmbH AK 05/20
TIMMER 79010053
DNH CAREEX-6T 97DB
SIEMENS C79451-A3474-B605
sirai V165V02-Z031C-DN 1,1-24V/50Hz
AGATHON 7660.050.120
KTR GS38 98 SHA GS6.0-D38 6.0-D32
ATLANTA 5803050
SUCO 0166-40704-1-028...
ATOS E-MI-AC-01F 20/2
Schmidt DXB-1000-20
HARTING 9150006201
Turck FCS-G1/2A4-NA
SIEMENS 6SL3353-3AE34-2BA0
parker D1VW020DNYW
IFM LR3000
heidenhain LC183/10nm ML240 ID557679-02
Murrelektronik GmbH 7000-46041-8020250
Beckhoff C6920-0030
Honsberg KM-020GK012
Seuffer A0611-019-02
Murrelektronik 7000-58021-6270150
OSBORN 9907036012
Hasco Z48710 10x15
KABELSCHLEP HC 46.151-RSH-200-2010;FU/MU
Esitron DM6.100
Kronenberg BB-MS
parker VB6012C
Rexroth 820402105
CARCO SEAL/UN/SPLIT-S820 180X210X15
Vahle 600096; KSW 4/40-1 HS
ETA ESX10-TB-102-DC24V-12A
Phoenix 1689080
Staubli MPX06.7101/JV
JAQUET DSE EH 10.30 AHZ
Hagglunds 577 6216-136 R902423653
TAPFLO 6-100-23-1
ENNA GmbH 0525396002 MIT TOUCH,230VAC
JACOB 11103499
ORGATEX LG-KL-A4-06
Contrinex DW-AV-623-03-276
Hengstler 0 523 786
Mel MI250-B/NJ25-15m
FIMI 4.289.242.111
BIKON 1006-020-047
Fezer SP-FSD200S-NOR-G Artikelnr.: 1.11.1.0068
bossard M 10 / 10,5
CLOOS 43520100
Murrelektronik 7000-29281-0000000
Rexroth 3842527868,GS 14-1; I=20:1
parker D3P30B5V30XB081
micronext Calibration set
Nadella LFE9,R007941.001
microsonic MIC+130/IU/TC
SIEMENS 6SL3352-3AG34-7AA0
EBARA CDXHS 70/07-0,55kW-3~400V-SSV
Debnar PQR48 0-250μA
MOOG GmbH D661-4636/G60KOAA5VSX2HA
Phoenix Nr.2981363
Bucher PDMV170-4135-032/011 24VDC 301RC004773
Glaeser 1.7600.30.63
FLUTEC DLHSD01X16/250
PULSOTRONIC KJ1,5-M8MB50-DPS-V1 Nr.
HOM MEL NR.284039
ETAMIC 10606.0072,Cde.210796
norelem 07534-10x16
suco 0169-417-02-1-002
Ahlborn MA24902R02
Phoenix Nr.1436754
圖1-2是在圖1-1-a電路的基礎上,增加了一個整流二極管和一個LC濾波電路。其中L是儲能濾波電感,它的作用是在控制開關K接通期間Ton限制大電流通過,防止輸入電壓Ui直接加到負載R上,對負載R進行電壓沖擊,同時對流過電感的電流iL轉化成磁能進行能量存儲,然后在控制開關K關斷期間Toff把磁能轉化成電流iL繼續向負載R提供能量輸出;C是儲能濾波電容,它的作用是在控制開關K接通期間Ton把流過儲能電感L的部分電流轉化成電荷進行存儲,然后在控制開關K關斷期間Toff把電荷轉化成電流繼續向負載R提供能量輸出;D是整流二極管,主要功能是續流作用,故稱它為續流二極管,其作用是在控制開關關斷期間Toff,給儲能濾波電感L釋放能量提供電流通路。
在控制開關關斷期間Toff,儲能電感L將產生反電動勢,流過儲能電感L的電流iL由反電動勢eL的正極流出,通過負載R,再經過續流二極管D的正極,然后從續流二極管D的負極流出,zui后回到反電動勢eL的負極。
對于圖1-2,如果不看控制開關K和輸入電壓Ui,它是一個典型的反 型濾波電路,它的作用是把脈動直流電壓通過平滑濾波輸出其平均值。
圖1-3、圖1-4、圖1-5分別是控制開關K的占空比D等于0.5、< 0.5、> 0.5時,圖1-2電路中幾個關鍵點的電壓和電流波形。圖1-3-a)、圖1-4-a)、圖1-5-a)分別為控制開關K輸出電壓uo的波形;圖1-3-b)、圖1-4-b)、圖1-5-b)分別為儲能濾波電容兩端電壓uc的波形;圖1-3-c)、圖1-4-c)、圖1-5-c)分別為流過儲能電感L電流iL的波形。
IMET M550S-WAVE L10-MAC-3247-ONM
Hoentzsch CV-120 Velocity calibration
Contrinex LLK-1180-003 620-200-537
BEKO M010WWC
optek-danulat gmbh Modell 156 NO.38362
JACOB 11082525
Phoenix 2800901
B&R 3AI775.6
BORRIES SM224L[x]-11 Nr.100024848
THIEDE pol.Vorverkabelung;NR.9-4141.1
ganter 226-KT-80-M16
Coel Motori S.r.l. MH63C4 - Code 3450
ADDA 1TB13M1300001;Type TFCP 132 MA-6
SAUTER 110401
Turck Nr.7506102 MK31-11-LI/24VDC
NETTER GMBH VAC 12
Buhler UNN -44020-081
HASBERG 1.0*50*300 Nr.0534
LEE LC-018C-15M
Mecatraction DE 95-16 nr.7361061
Lenord+Bauer GEL2443 KNRG5K150-E
Bauer Gear Motor GmbH ETG BG60-11/D13MA4
EBSO 31671
Spieth DSM 14.2
Mahle PI 2145-058
ALFRED SCHUETZE MKDDOBO99RA1
Leuze GFG 250/0.5 RT-ME 1760000404
turian GR25FLH
ETL 202339,15m
Alfa laval M3-FG,30113-78-760
APEX 965004
brinkmann TC 25/260+001
Ashcroft Model 510/511 18=510=S=S=51T=X=GQ=MO=YF=EN
heidenhain ROQ 425 512 01 -E0 K 5,00 02 01 631703-17
Boellhoff P2007
RS Components Handelsgesm.b.H. RS Best.-Nr. 512-5126 Herst. Teile-Nr.
ORGA L85EX-R-DC-32
Hawe HD13
Cytec SS/HSK/063-A-0017, ID: 158-002
PILZ PNOZ XV3P,777510
SCHMERSAL TZFW.NEM.CHI3OE24VDC Art.-Nr. 101175266
DANFOSS 060G3214 MBS 4010
KLASCHKA GMBH. & CO.KG BDIF-m42rg-4s(Code:13.05-61)
TEAFLEX TEAFLEX PG21 6X6,5MM GPR21M06065
SCHMERSAL AZM 200CC-T-1P2PWA
ROLAND ELECTRONIC GmbH P42AGS
INA PCJTY30-N 30100447
Woerner VOE-D/4/7N/7N/7N/7N
parker D1VW020DNYW
HAHN+KOLB 75036045
B&R X20BM11
NETTER GMBH NBS-G 740
HAHN+KOLB 11020349
weidmueller TOS 12VDC/48VDC 0,1A Nr:8950710000
IPR 15100014; FM-80-U-3/43 NR
Reichelt PATCH-C6 10 RT
Bucher VALV RS3/817-0.3
Balluff GmbH BSW 819-493-09L3
Glenair IT4106GFA32-68S PG29 N4
KRACHT SPV10A1G1A12
Staubli REA13.9022.10,CT 18.3001
Murrplastik KDL 2/10-EMV
Elster RB-TI
Ebm D4D200-CA01-02
CEAG 10355;GHG 511 7406 R 0001
Hoentzsch A010/052
AirCom F465-06EL
phoniex 1689200
Vickers SV13-12V-0-0-0
Powernet Typ ZAT 24/10/3/_ (old:ADC 5423)
Beru ZE 14-12-1200 A1 0009.340.035
SALTUS DSG-0, 10NM,NO:8439000201
Reichelt PATCH-C6 10 GR
hydac 3519033 PPV100-71-FR01KK-1080-4205
SUCO 1.59432E+11
Krombach SF 304 DN50 , PN16 , EN-JL 1040
PFEIFFER TPR 280, Active Pirani Transmitter DN 16 ISO-KF, 80°C
Fujinon HF75HA-1B
SIEMENS 6RY1702-0CA18
Honsberg VD-040GR150
Phoenix Nr.2882653
Turck BIM-UNT-AP6X-0,3-PSG3S SN4685722
Sigmatek CIC 011 Art.-Nr. 12-003-011
SCHMERSAL TZFCW24VDC
Rexroth 820055501
Vahle 155204
Phoenix UM 45-D 9SUB/S/ZFKDS - 2293611
SIEMENS 6SL3353-3AE41-0AA0
Mahle PI 2145 PS 3 ,No:77680184
INA ZKLFA1563-2RS
Yoctopuce RX010V01 Yocto-0-10V-Rx
STAHL 9170/20-11-11s
Contrinex LFG-4020-100
KOSTYRKA 5350.1872.00
hydac EDS348-5-250-000
HBM 1-WA/50MM-T
Turck NI1,5-KS26-2AP6X2-0,3-RS4.4T/S34 ID:4430118
SIEMENS 3TC4417-0BP0
Staubli RBE08.1151/OD
Rexroth 822351006
Carl Knoche + Co. Federn Type 930204808
WOERNER Smeersystemen BV DPI-D/09
LINGL Circuit Board for SPATZ H6000
Staubli RBE11.7153/IA
Phoenix 2866679
Tekon TK-AKS-06-4-15
L+B GEL 208-V-01250B00S,E340095.10-35VDC
HARTING 19 30 010 1231
IPR EC-24 PG-IP 65.T,15030167
Mahle PI 3108 PS 10 Nr.77680341
Turck BI30R-Q20-AP6X2-H1141,10-30V Nr:1407500
BALLUFF BAW0029 BAW M18MG-UAC16F-S04G-
GISMA 24.80.3-00.2.00.0
Phoenix NR:2866527
SCHNEIDER LXM32MU90M2
tiger KLT6-005-552
MD MS2/00-1H
B&R X20DO9322.
PULSOTRONIC KJ5-M18MB85-DPS-V2-T.
Breco NB 70ATS20/PAZ M X 28400
Hunger TDI 220/240X16 s-nr:010067
HERVIEU 250-662-200B35
Phoenix 1518902
parker P2M2HBVA10404B
Wheelabrator 1-2412-022
rollex ARS50 529976
heidenhain 361139-02
Kuka RDW 2 Resolver-Digital-Wandler 120MHz Nr.119966
Rexroth R900301715
Turck Ri360P1-QR14-ELiU5x2 Nr.1590853
Dopag C-401-04-05
heidenhain 735117-61
Phoenix 2801305
Rexroth R911170971
Sommer GH6260 -B
MADER RSE-P1-4-12-R-H
Bioengineering DN15 53065
SCHMIDT-KUPPLUNG 11786-3028 P 1580.33 Φ60 Φ60
Phoenix PROT-M8 Nr.1682540
Phoenix NBC-R4RC/10,0-93B/R4RC Nr.1408976
PFLITSCH PIK40/40 S-2000MM LANG
heidenhain LS487C ML370 +/-5um Nr.572248-07
Block NKD 25/1.17
MCB A399210 RECTI H28-200/FR/AV/AR 200MM
motrona BY340
hydac EDS 348-5-250-000
FLENDER 2LC0100-5AG99-0AB0-ZL1D+M10+M40+M48+M9Y
Vahle SA-BLS200-2-01 0590000
emecanique ZB4BC3
Rechner Leak-500-N-S-PTFE
Walther HP-016-0-WB026-12-1
DENISON 4D02-3-208-0302-*1-GOQ
SIEMENS 2020164-001
Axel Larsson 804020
Zimmer-automation NR98
SIEMENS 3TK2821-1CB30
WENGLOR YP11VAH3ABF
DELTA ES 015-10
Rexroth R901164220,4WRTE10W8-50L-4X/6EG24K31/F1M
heidenhain ROD 420 5000 ID:376840-1B
ATOS CK-40/28*0090-G601
Vaisala GmbH PTB110 4A1AB
B&R 8LSA26.R0045D000-0
ROESSEL-Messtechnik GmbH 2-1277-00502-11
Rexroth ZDBK 6 VP2-1X/210V R900564564
AREVA T&D 6915238439 TYPE R DN50 PN25
WALTHER-PRAEZISION SP-006-2-WR513-01-4-GL.
Turck REP-DP 0002 Nr.6825354
ASM LR19-2000-163,84-M4
Vaccon PDMP-QD-6
SIEMENS 6AG1313-5BG04-7AB0
FLYGT NP3171.181 FLS10 FLYGT 6630400
Proxitron OAA703 ART Nr:6048A
Mahle PI 8530 DRG 100
Aeromatic 2.168.025
STFI STFI MD100 DIN EN ISO12947-1
Verder 810.4033,VA50PP,PP,TF,TF
JUMO 202560/20-888-000-000-000-23/000
POWER-HYDRAULIK GmbH 300er:75,92*1,78
heidenhain QUADRA-CHEK Wedge 036 CD ID:709141-01(dringend)
kistler 5073A411
norelem nlm 06450-3082
Tevema S82950
KAESER 6.4212.0
SUCO 1.59432E+11
SOFIMA RFM 020-FV-1-B-B-4-01-S-X
GUTEKUNST D-145DC
ABB OTE36T3M
Hawe PE10
SCHNAKE SHB-ZD-300/140-280
rohmann 600626 ELOTEST M2V3/Set
Contrinex LFG-4020-050
Romann 2/2-Wege-Kugelhahn DN 25 PN 400 106035
Contrinex DW-AS-623-04
Murrelektronik GmbH 7000-08381-0000000
arelco fr ARCB210+
Vogel 284176 H100 i=1/1
Burster 8526-6005+9941+99004
Duerr 5M7071002
Phoenix SAC-4P-100,0-PUR/0,34 Nr.1501663
fischer DELTASCOPE FMP10 Nr.605-021
Vahle 236187
PILZ PNOZ X2P 24VACDC 2n/o,777303
SYNCHROTECH 1368-S 8M- 50 CONTI SYNCHROFORCE?CXA
Phoenix 1553271
Sterling 043-EFC-RHF-025/3Q07
Murrelektronik GmbH 7000-40341-2340300
Emotron VFX48018(Software V4.30)
Cantoni TYP:90S-2
IPR FM-80-V-4/43 NR (Naturkautschuk); 15100030
heidenhain 385420-0X
Bartec 07-2951-4030/09 3m
Dr. TRETTER AG 19015 15216 TOL RING A 150-516 STAINL ST-DRW
AirCom F465-06EL
IST BG-58-H-10-TI-01024-1-1-30-V133
Gestra BAE 46-3 Artikel-Nr. 007342.220.60153
DENISON R1E023321A1/016_87083_0
Willbrandt Typ 50 gelb 2550G03B0A
RICKMEIER R45/80 FL-Z 330025-8 562711
WORCESTER seal assembly/DN20/07AWK44-PM/ASME F1508
SIEMENS 7ML5050-0AA11-1DA0
Turck M1-Q25L 6901045
Murrelektronik GmbH 3124068
Honsberg FW1-015GM006
IHG BB1612DU
SIEMENS 6ES7964-2AA01-0AB0
ATOS E-BM-AC-011F
DANAHER P70360-SDN
Euchner CES-A-AEA-04B NO.072000
Magnet-Schultz GRFY060F20B01 24VDC
First Sensor ZK000101-2
Cromwell KEN5587020K
Mecatraction DE 10-6 nr.7360331
Schlick 36691
SIKO DA08-0401
HARRIS 188FFL
Walther MD-007-2-S1220-19-2
Gemue 690 32D 720 412/N
Phoenix MACX MCR-EX-SL-RPSSI-I - 2865340
KAMAT 7003359
END-Armaturen GmbH & Co. KG VT451406
ATB 496249;two Cover of 6004258
Murrelektronik GmbH 10416
EPE 2.0030 H 10XL-A00-0-M,R928006431
Conductix-Wampfler K161.3/160/1071-K161.3/160/10
Rexroth R900949741; 2FRE 6B-2X/16QK4RV
wampfler 018112-200x300
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specken drumag PL3-05020
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heidenhain 559314-05
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上面計算都是假設輸出電壓Uo基本不變的情況得到的結果,在實際應用電路中也正好是這樣,輸出電壓Uo的電壓紋波非常小,只有輸出電壓的百分之幾,工程計算中*可以忽略不計。
從(1-4)式到(1-11)和圖1-3、圖1-4、圖1-5中可以看出:
當開關電源工作于臨界連續電流或連續電流狀態時,在K接通和關斷的整個周期內,儲能電感L都有電流流出,但在K接通期間與K關斷期間,流過儲能電感L的電流的上升率(值)一般是不一樣的。在K接通期間,流過儲能電感L的電流上升率為: ;在K關斷期間,流過儲能電感L的電流上升率為: 。因此:
(1)當Ui = 2Uo時,即濾波輸出電壓Uo等于電源輸入電壓Ui的一半時,或控制開關K的占空比D為二分之一時,流過儲能電感L的電流上升率,在K接通期間與K關斷期間值*相等,即電感存儲能量的速度與釋放能量的速度*相等。此時,(1-5)式中i(0)和(1-11)式中iLX均等于0。在這種情況下,流過儲能電感L的電流iL為臨界連續電流,且濾波輸出電壓Uo等于濾波輸入電壓uo的平均值Ua。參看圖1-3。
(2)當Ui > 2Uo時,即:濾波輸出電壓Uo小于電源輸入電壓Ui的一半時,或控制開關K的占空比小于二分之一時:雖然在K接通期間,流過儲能電感L的電流上升率(值),大于,在K關斷期間,流過儲能電感L的電流上升率(值);但由于(1-5)式中i(0)等于0,以及Ton小于Toff,此時,(1-11)式中的iLX會出現負值,即輸出電壓反過來要對電感充電,但由于整流二極管D的存在,這是不可能的,這表示流過儲能電感L的電流提前過0,即有斷流。在這種情況下,流過儲能電感L的電流iL不是連續電流,開關電源工作于電流不連續狀態,因此,輸出電壓Uo的紋波比較大,且濾波輸出電壓Uo小于濾波輸入電壓uo的平均值Ua。參看圖1-4。
(3)當Ui < 2Uo時,即:濾波輸出電壓Uo大于電源輸入電壓Ui的一半時,或控制開關K的占空比大于二分之一時:在K接通期間,雖然流過儲能電感L的電流上升率(值),小于,在K關斷期間,流過儲能電感L的電流上升率(值)。但由于Ton大于Toff,(1-5)式中i(0)和(1-11)式中iLX均大于0,即:電感存儲能量每次均釋放不完。在這種情況下,流過儲能電感L的電流iL是連續電流,開關電源工作于連續電流狀態,輸出電壓Uo的紋波比較小,且濾波輸出電壓Uo大于濾波輸入電壓uo的平均值Ua。參看圖1-5。
串聯式開關電源儲能濾波電感的計算
從上面分析可知,串聯式開關電源輸出電壓Uo與控制開關的占空比D有關,還與儲能電感L的大小有關,因為儲能電感L決定電流的上升率(di/dt),即輸出電流的大小。因此,正確選擇儲能電感的參數相當重要。
串聯式開關電源工作于臨界連續電流狀態,或連續電流狀態。串聯式開關電源工作于臨界連續電流狀態時,濾波輸出電壓Uo正好是濾波輸入電壓uo的平均值Ua,此時,開關電源輸出電壓的調整率為,且輸出電壓Uo的紋波也不大。因此,我們可以從臨界連續電流狀態著手進行分析。我們先看(1-6)式:
SIKO S70/1-0016
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schmalenberger ZHT 14 32-08/2-5,5 IE2 Ersatz fuer 2012008777
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INA GE50-KRRB
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elin SYN 3000 /3221
SIEMENS 6DD1684-0GD0
Verder 859.0024
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heidenhain 364914-01 Adapterstecker
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REGO-FIX AG 1120.085
Murrelektronik GmbH 55291
danfoss bauer BS02-74VH/D06LA4
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ATOS HM-011/50/V
Domino 3003162
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JUMO ATH-22,60000204,913530,603026/0202-1-025-30-0-00-20-13-46-30
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Contrinex DW-AD-509-C8-390
HADIMEC 6-11/01067
JAGER 14931
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heidenhain ECN413 2048 ID:1065932-11
Vector CANcable 2Y
WENGLOR LK89PA7
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wampfler MCS35-1T10+6X10+3X2 Snr:1650/1984-AE070024A
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NOXON Automation GmbH 200883 Cylinder DSNU-16-50-P-A-S11
CLEMESSY Flex PU 3/4 Lg=4m 250 Watts 24 Volts réf: 006148 code: R00611
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ECOLAB Engineering GmbH 295219
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hydac 3018795 FZP-1/3.1/P/71/3.5
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(1-13)和(1-14)式,就是計算串聯式開關電源儲能濾波電感L的公式(D = 0.5時)。(1-13)和(1-14)式的計算結果,只給出了計算串聯式開關電源儲能濾波電感L的中間值,或平均值,對于情況可以在平均值的計算結果上再乘以一個大于1的系數。
如果增大儲能濾波電感L的電感量,濾波輸出電壓Uo將小于濾波輸入電壓uo的平均值Ua,因此,在保證濾波輸出電壓Uo為一定值的情況下,勢必要增大控制開關K的占空比D,以保持輸出電壓Uo的穩定;而控制開關K的占空比D增大,又將會使流過儲能濾波電感L的電流iL不連續的時間縮短,或由電流不連續變成電流連續,從而使輸出電壓Uo的電壓紋波ΔUP-P進一步會減小,輸出電壓更穩定。
如果儲能濾波電感L的值小于(1-13)式的值,串聯式開關電源濾波輸出的電壓Uo將大于濾波輸入電壓uo的平均值Ua,在保證濾波輸出電壓Uo為一定值的情況下,勢必要減小控制開關K的占空比D,以保持輸出電壓Uo的值不變;控制開關K的占空比D減小,將會使流過濾波電感L的電流iL出現不連續,從而使輸出電壓Uo的電壓紋波ΔUP-P增大,造成輸出電壓不穩定。
由此可知,調整串聯式開關電源濾波輸出電壓Uo的大小,實際上就是同時調整流過濾波電感L和控制開關K占空比D的大小。
由圖1-4可以看出:當控制開關K的占空比D小于0.5時,流過濾波電感L的電流iL出現不連續,輸出電流Io小于流過濾波電感Lzui大電流iLm的二分之一,濾波輸出電壓Uo的電壓紋波ΔUP-P將顯著增大。因此,串聯式開關電源不要工作于圖1-4的電流不連續狀態,而工作于圖1-3和圖1-5表示的臨界連續電流和連續電流狀態。
串聯式開關電源工作于臨界連續電流狀態,輸出電壓Uo等于輸入電壓Ui的二分之一,等于濾波輸入電壓uo的平均值Ua;且輸出電流Io也等于流過濾波電感Lzui大電流iLm的二分之一。
串聯式開關電源工作于連續電流狀態,輸出電壓Uo大于輸入電壓Ui的二分之一,大于濾波輸入電壓uo的平均值Ua;且輸出電流Io也大于流過濾波電感Lzui大電流iLm的二分之一。
串聯式開關電源儲能濾波電容的計算
我們同樣從流過儲能電感的電流為臨界連續電流狀態著手,對儲能濾波電容C的充、放電過程進行分析,然后再對儲能濾波電容C的數值進行計算。
圖1-6是串聯式開關電源工作于臨界連續電流狀態時,串聯式開關電源電路中各點電壓和電流的波形。圖1-6中,Ui為電源的輸入電壓,uo為控制開關K的輸出電壓,Uo為電源濾波輸出電壓,iL為流過儲能濾波電感電流,Io為流過負載的電流。圖1-6-a)是控制開關K輸出電壓的波形;圖1-6-b)是儲能濾波電容C的充、放電曲線圖;圖1-6-c)是流過儲能濾波電感電流iL的波形。當串聯式開關電源工作于臨界連續電流狀態時,控制開關K的占空比D等于0.5,流過負載的電流Io等于流過儲能濾波電感zui大電流iLm的二分之一。
在Ton期間,控制開關K接通,輸入電壓Ui通過控制開關K輸出電壓uo ,在輸出電壓uo作用下,流過儲能濾波電感L的電流開始增大。當作用時間t大于二分之一Ton的時候,流過儲能濾波電感L的電流iL開始大于流過負載的電流Io ,所以流過儲能濾波電感L的電流iL有一部分開始對儲能濾波電容C進行充電,儲能濾波電容C兩端電壓開始上升。
當作用時間t等于Ton的時候,流過儲能濾波電感L的電流iL為zui大,但儲能濾波電容C的兩端電壓并沒有達到zui大值,此時,儲能濾波電容C的兩端電壓還在繼續上升,因為,流過儲能濾波電感L的電流iL還大于流過負載的電流Io ;當作用時間t等于二分之一Toff的時候,流過儲能濾波電感L的電流iL正好等于負載電流Io,儲能濾波電容C的兩端電壓達到zui大值,電容停止充電,并開始從充電轉為放電。
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可以證明,儲能濾波電容進行充電時,電容兩端電壓是按正弦曲線的速率變化,而儲能濾波電容進行放電時,電容兩端電壓是按指數曲線的速率變化,這一點后面還要詳細說明,請參考后面圖1-23、圖1-24、圖1-25的詳細分析。
圖1-6中,電容兩端的充放電曲線是有意把它的曲率放大了的,實際上它們的變化曲率并沒有那么大。因為儲能濾波電感L和儲能濾波電容構成的時間常數相對于控制開關的接通或關斷時間來說非常大(正弦曲線的周期:T = ),即:由儲能濾波電感L和儲能濾波電容組成諧振回路的諧振頻率,相對于開關電源的工作頻率來說,非常低,而電容兩端的充放電曲線變化范圍只相當于正弦曲線零點幾度的變化范圍,因此,電容兩端的充、放電曲線基本上可以看成是直線,這相當于用曲率的平均值取代曲線曲率。同理,圖1-3、圖1-4、圖1-5中儲能濾波電容C的兩端電壓都可以看成是按直線變化的電壓,或稱為電壓或電流鋸齒波。
實際應用中,一般都是利用平均值的概念來計算儲能濾波電容C的數值。值得注意的是:濾波電容C進行充、放電的電流ic的平均值Ia正好等于流過負載的電流Io,因為,在D等于0.5的情況下,電容充、放電的時間相等,只要電容兩端電壓的平均值不變,其充、放電的電流必然相等,并等于流過負載的電流Io。
濾波電容C的計算方法如下:
由圖1-6可以看出,在控制開關的占空比D等于0.5的情況下,電容器充、放電的電荷和充、放電的時間,以及正、負電壓紋波值均應該相等,并且電容器充電流的平均值也正好等于流過負載的電流。因此,電容器充時,電容器存儲的電荷ΔQ為:
計算式
(1-17)和(1-18)式,就是計算串聯式開關電源儲能濾波電容的公式(D = 0.5時)。式中:Io是流過負載的電流,T為控制開關K的工作周期,ΔUP-P為輸出電壓的波紋。電壓波紋ΔUP-P一般都取峰-峰值,所以電壓波紋正好等于電容器充電或放電時的電壓增量,即:ΔUP-P = 2ΔUc 。
順便說明,由于人們習慣上都是以輸出電壓的平均值為水平線,把電壓紋波分成正負兩部分,所以這里遵照習慣也把電容器充電或放電時的電壓增量分成兩部分,即:2ΔUc。
同理,(1-17)和(1-18)式的計算結果,只給出了計算串聯式開關電源儲能濾波電容C的中間值,或平均值,對于情況可以在平均值的計算結果上再乘以一個大于1的系數。
當儲能濾波電容的值小于(1-17)式的值時,串聯式開關電源濾波輸出電壓Uo的電壓紋波ΔUP-P會增大,并且當開關K工作的占空比D小于0.5時,由于流過儲能濾波電感L的電流iL出現不連續,電容器放電的時間大于電容器充電的時間,因此,開關電源濾波輸出電壓Uo的電壓紋波ΔUP-P將顯著增大。因此,按(1-17)式計算結果的2倍以上來選取儲能濾波電容的參數。
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