发明名称 |
Electrical power quality test circuitry and method |
摘要 |
Electrical power quality test circuitry for testing response of an electrical device to input power disturbances is provided. The test circuitry includes a power structure having a rectifier configured to convert incoming AC voltage to DC voltage on a DC bus, and a power inverter configured to convert DC voltage from the bus to three-phase output AC voltage applied to the electrical device. The test circuitry also includes a control circuit configured to apply control signals to at least the power inverter to emulate at least one of a change in the amplitude of at least one phase of the output AC voltage at least one phase angle of at least one phase of the output AC voltage, and a frequency change for all phases of the output AC voltage.
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申请公布号 |
US8373406(B2) |
申请公布日期 |
2013.02.12 |
申请号 |
US20090512205 |
申请日期 |
2009.07.30 |
申请人 |
ROCKWELL AUTOMATION TECHNOLOGIES, INC.;AHMED AHMED MOHAMED SAYED;SKIBINSKI GARY L.;LUKASZEWSKI RICHARD A. |
发明人 |
AHMED AHMED MOHAMED SAYED;SKIBINSKI GARY L.;LUKASZEWSKI RICHARD A. |
分类号 |
G01R19/22 |
主分类号 |
G01R19/22 |
代理机构 |
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