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(11)变频器驱动同步电动机时,与工频电源相比,降低输出容量10%~20%,变频器的连续输出电流要大于同步电动机额定电流与同步牵入电流的标幺值的乘积。
(12)对于压缩机、振动机等转矩波动大的负载和油压泵等有峰值负载情况下,如果按照电动机的额定电流或功率值选择变频器的话,有可能发生因峰值电流使过电流保护动作现象。因此,应了解工频运行情况,选择比其zui大电流更大的额定输出电流的变频器。变频器驱动潜水泵电动机时,因为潜水泵电动机的额定电流比通常电动机的额定电流大,所以选择变频器时,其额定电流要大于潜水泵电动机的额定电流。
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(13)当变频器控制罗茨风机时,由于其起动电流很大,所以选择变频器时一定要注意变频器的容量是否足够大。
(14)选择变频器时,一定要注意其防护等级是否与现场的情况相匹配。否则现场的灰尘、水汽会影响变频器的*运行。
(15)单相电动机不适用变频器驱动。
MODICON NW-BM85-Y422 NSFP NWBM85Y422
FOXBORO E20S-I2FB6 USPP E20SI2FB6
FOXBORO E20S-V2FB6 USPP E20SV2FB6
AVTRON 630267 USPP 630267
NACHI MFM552H1V USPP MFM552H1V
NACHI MFM452H5V USPP MFM452H5V
MEASUREX 51305406-100 NSPP 51305406100
CUTLER HAMMER A900M2DAC NSFP A900M2DAC
AC TECHNOLOGY M34400B NSFP M34400B
FENNER SD4-1015-10-4 NSFP SD41015104
MITSUBISHI FR-A221E-7.5K NSFP FRA221E75K
BAYSIDE RA142-015-LB USPP RA142015LB
FILTER PUMP IND 8C-5C NSFP 8C5C
GENERAL ELECTRIC 137D5103G1 USPP 137D5103G1
ALLEN BRADLEY 512-BFB-A2F-4RG-6P-13-17-24R-400-9018-TB12 NSFP 512BFBA2F4RG6P13
ALLEN BRADLEY 1336F-BRF200-AE-EN-L5 USPP 1336FBRF200AEENL
BANNER ENGINEERING P4COR NSFP P4COR
SYMAX 8030-CRM-510 NSFP 8030CRM510
FOXBORO P0400VP NSFP P0400VP
SYMAX 8030-CRM-211 USPP 8030CRM211
SYMAX 8030-CRM-211R USPP 8030CRM211R
ASEA BROWN BOVERI SR4313150R23C2EC1AB NSPP SR4313150R23C2EC
COGNEX 800-5870-1 USPP 80058701
BAILEY CONTROLS NLIS-01 USPP NLIS01
COGNEX 800-5870-1-A USPP 80058701A
COGNEX IS5100-00 USPP IS510000
INDRAMAT MAC090B-0-JD-3-C/110-A-0/S001 NSFP MAC090B0JD3C110A
HARDY INSTRUMENTS HI2160RC-RM-A1-E1 USPP HI2160RCRMA1E1
SYMAX 8030-CRM-570 USPP 8030CRM570
ALLEN BRADLEY 1336S-B020-AA-EN3-HA2-L6 USPP 1336SB020AAEN3HA
ALLEN BRADLEY 1336S-B020-AA-EN4-HA2-L6 USPP 1336SB020AAEN4H2
FANUC A06B-0128-B577 USPP A06B0128B577
INDRAMAT DKC01.1-040-7-FW USPP DKC0110407FW
ENTEK C6686 USPP C6686
MITSUBISHI K3N-CPU USPP K3NCPU
MITSUBISHI K3N-CPU-H USPP K3NCPUH
MITSUBISHI K3N-CPU-P2H USPP K3NCPUP2H
NEMATRON CORP IWS-4524 USPP IWS4524
MODICON 140-AII-330-10 USPP 140AII33010
PHOENIX CONTACT IBS-ST-24-SSC-T USPP IBSST24SSCT
MODICON AS-384A-000 USPP AS384A000
MODICON AS-521P-004 NSPP AS521P004
MODICON AS-521P-008 NSPP AS521P008
FOXBORO E20S-I3FB6 USPP E20SI3FB6
MITSUBISHI K3-CPU-H USPP K3CPUH
ALLEN BRADLEY 1791-IOVW NSFP 1791IOVW
RELIANCE ELECTRIC 0-51879-5 USPP 0518795
GENERAL ELECTRIC DS3800HSCG1D1E USPP DS3800HSCG1D1E
LUCENT TECHNOLOGIES DFP-CM-14B/2T NSPP DFPCM14B2T
RELIANCE ELECTRIC 0-51879-1 USPP 0518791
TB WOODS WFC4015-0CHT USPP WFC40150CHT
ALLEN BRADLEY 6180-EIIEFLDZECZ USPP 6180EIIEFLDZECZ
ALLEN BRADLEY 8000-MDD USPP 8000MDD
FANUC A06B-6096-H103 USPP A06B6096H103
WEST ELECTRONICS M-3800 NSPP M3800
RELIANCE ELECTRIC 57C-422C NSPP 57C422C
ASEA BROWN BOVERI OES800L3 NSPP OES800L3
RELIANCE ELECTRIC 86466-88T USPP 8646688T
ALLEN BRADLEY 2711-B6C10 USPP 2711B6C10
AFP TRANSFORMERS INC 410906R2 NSPP 410906R2
ALLEN BRADLEY 1336VT-B025-EOP-L3 USPP 1336VTB025EOPL3
ALLEN BRADLEY 1326AS-B330H-21 NSFP 1326ASB330H21
ALLEN BRADLEY 1771-DR NSFP 1771DR
EMECANIQUE TSX-SCM-2211 USPP TSXSCM2211
EMECANIQUE TSX-P57353AM USPP TSXP57353AM
FANUC A20B-8001-0124 USPP A20B80010124
GEMCO ELECTRIC 1989-A-16-R-12-S-C-X USPP 1989A16R12SCX
GEMCO ELECTRIC 1989-M-16-R-12-S-C-X USPP 1989M16R12SCX
TOSHIBA VFP1-434OUP-B1 USPP VFP1434OUPB1
ALLEN BRADLEY 1336S-BRF100-AN-EN4-HA2 NSFP 1336SBRF100ANEN2
ALLEN BRADLEY 1391-DES45-DI USPP 1391DES45DI