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發電機

發電機都有額外的輸出功率，用戶用電功率大于或小于它會糟蹋嗎？

發布日期：2022-10-09 點擊率：6


　　發電機轉速是安穩的，輸出電壓也是安穩的，輸出電流隨負載的改動而改動。用戶用電功率略大于發電機額外功率是容許的，過大就要拉閘限電。用戶用電功率小于發電機額外功率時，發電機的電流會減小，發電機扭距就會相應的減小，它從動力源吸收的能量就削減了。
　　發電機上都有調速器，調速器的效果即是調度主張機的進汽或許進油量，堅持主張機的轉速安穩。這是一個閉環主動操控體系。假定負載下降了，功率也必定下降，這么不需求更多的燃油或許蒸汽耗費就能夠抵達安穩的轉速。調速器就會主動削減供油或供汽，使耗費能量一貫等于輸出能量，水力發電是經過調度流過葉輪的流量來操控。


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