产品、服务电力交换系统

电力交换系统信号用不间断电源装置

用高质量、高可靠性的电源装置，为要求稳定运作的智能铁路信号系统、交通管理系统提供支持。

Rated capacity		3kVA,5kVA,10kVA
AC input	Wire connection/rated voltage	Single-phase two-wire　100V
	Voltage fluctuation range	80～120V
	Input power factor	0.97or higher
	Frequency	50Hz/60Hz±3%
AC output	Rated voltage	Single-phase two-wire　100V
	Rated frequency	50Hz/60Hz (automatic selection according to input frequency)
	Constant-voltage precision	±1.5%
	Voltage adjustment range	±5%
	Constant-frequency precision	0.01% (at free-running)
	Waveform distortion rate	3%or less (at linear load)
	Overload capacity	120% 1minute　　150% 2seconds
	Transient variation	At power failure/recovery Within ±3%　Settle within 50ms At sudden load change（0%⇔100%） Within ±7%　Settle within 50ms
	Sync range	Voltage Rated voltage ±20% Frequency Rated frequency ±1%
Other	Ambient temperature	0～40℃
	Operation system	On-line type feeding system
	Redundant system	Serial standby redundant system via two single UPSs