发明名称 |
COMMON MODE & DIFFERENTIAL MODE FILTER FOR VARIABLE SPEED DRIVE |
摘要 |
Systems and methods for improved Variable Speed Drives having active inverters include an input filter for filtering common mode and differential mode currents. A three-phase inductor has three windings, each winding of the three-phase inductor having a center tap dividing each winding into a pair of inductor sections; and a three-phase input capacitor bank connected in a wye configuration to the three center taps at one end, and to a common point at the opposite end. The three-phase input capacitor bank provides a short circuit for frequencies above a predetermined fundamental frequency for shunting such frequencies through the three phase capacitor bank, while passing the predetermined fundamental frequency to an input AC power source. |
申请公布号 |
EP2162976(B1) |
申请公布日期 |
2016.08.17 |
申请号 |
EP20080728398 |
申请日期 |
2008.01.28 |
申请人 |
JOHNSON CONTROLS TECHNOLOGY COMPANY |
发明人 |
SCHNETZKA, HAROLD R.;JADRIC, IVAN;ADIGA MANOOR, SHREESHA |
分类号 |
F25B49/02;H02P27/08;H02P29/00;H03L7/093;H03L7/095;H05K7/20 |
主分类号 |
F25B49/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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