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EATON Telecom Power System
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IMPS00300
直流输出保护
1) 整流器内部在-48V输出电路中串联一个熔断器,作为输出电路短路保护,同时也是电池反极性错误连接的保护。
2) 当某个整流器的输出电压超过过压点(约58.8V左右),这个整流器即关断交流输入电 路,使故障整流器不会影响系统中的其他整流器。这个整流器一旦输出过压关机,只有在排电压下降到超过回差电压值(10V) 即48.8V以下时,故障的整流器才能重新启动。
3) 当输出电流超过了整流器的额定值,它将进入恒功率模式工作,调低输出电压直到48V。
4) 当输出电压低于48V时,整流器进入恒电流模式工作(输出电流小于或等于短路值) 。
限流门限可以在25%-100%额定输出电流之间调整。
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