In the last decade, several manufacturers have successfully developed and demonstrated many new devices for the enhancement of electrical power distribution. The EPRI Custom Power Program was instrumental in the development of many of these power quality devices (PQD), such as the dynamic voltage restorer (DVRâ„¢), the distribution static compensator (DSTATCOMâ„¢), the medium voltage static transfer switch, the flywheel energy storage and the solid-state breaker (SSB).
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