基于电力电子逆变技术的静止同步无功补偿器(STATCOM)具有动态响应速度快、调节范围广、装置体积小、补偿电流波形品质高等优点,成为无功补偿的发展趋势。
The STATCOM based on the multi-level converter technology becomes a trend with fast dynamic response, extensive range of regulation, smaller volume, and high quality waveform of compensating current.
该方法主要研究南方电网2008年多馈入直流系统各个逆变站由于滤波器投切产生的谐波电流的交互影响。
The interaction of harmonic currents caused by switching ac filters of inverter stations in the multi-infeed DC system of China Southern Power Grid in the year of 2008 is mainly researched.
本文采用UC 3846作为PWM发生器,桥式驱动的脉冲变压器既保证信号的传输,又保证足够功率驱动全桥逆变主电路。对于经常发生短路刷镀刷镀工艺,快速过电流保护非常必要。
UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.
本文采用UC 3846作为PWM发生器,桥式驱动的脉冲变压器既保证信号的传输,又保证足够功率驱动全桥逆变主电路。对于经常发生短路刷镀刷镀工艺,快速过电流保护非常必要。
UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.
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