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Many industrial loads suffer from various power quality problems like voltage sag and swell, service outages etc. Due to these power quality issues industrial customer bears huge financial loss. So in this situation static transfer switch can be the most cost effective solution to avoid from these problems. Thyristor based Static transfer switch is used to protect industrial load from these power...
The performance of complementary feeders, running in parallel, can be significantly improved by installing static transfer switches (STSs) at critical locations. We develop the STS control logic, which transfers the critical load from the preferred feeder to the alternate feeder when a voltage sag or a fault occurs on the preferred feeder. A forced commutation technique is proposed and implemented...
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