Transcription of UNDERSTANDING NONLINEAR LOADS AND …
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UNDERSTANDING NONLINEAR LOADS AND GENERATOR SETINTERACTIONG regory M. Williams, Inc.(309) 578-4995 INTRODUCTIONMany electrical power applications require continuous andhigh quality power. Standby diesel-electric generatingsets are integral parts of the genset sizing requires an UNDERSTANDING of thegenset characteristics and the connected load . Nonlinearloads, including; uninterruptable power supply (UPS),variable frequency drives (VFD), adjustable speed drives(ASD), and switched mode power supplies, present a specialchallenge to successful delivery of high quality powerunder all operating conditions.
5 In Figure 3, when the more positive oncoming Phase 2 with SCR-2 is gated on, there is momentary line-to-line shorting action with Phase 1, which has SCR-1 in the decaying
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