产品、服务电力交换系统

电力交换系统 电力、通信用电源系统

通信已成为这个急速发展且容量不断扩大的信息化社会的基础,而为通信事业提供支持的正是具有高可信度、高精度的电源。京三制作所的电源系统也广泛运用于移动式通信以及数据中心等连接世界的通信设施领域上。

 

並列冗長運転方式無停電電源装置

Electric specification (UPS standalone performance)

Rated capacity 30kVA~200kVA
AC input Wire connection/Rated voltage Three-phase three-wire 200V
Voltage fluctuation range ±10%
Input power factor 0.97or higher
Relative harmonic content 5%or less (at rated input/output)
Frequency 50/60Hz ±5%
AC output Rated voltage Three-phase three-wire 200V/210V/220V
Rated frequency 50/60Hz
(automatic selection according to input frequency)
Constant-voltage precision Within ±2.0%
Voltage fluctuation range ±5%
Constant-frequency precision 0.1%(at free-running)
Waveform distortion rate 2.5%or less (linear load) 6%or less (nonlinear load)
Overload capacity 120% 1minute   150% 2seconds
Transient variation Sudden load change(0←→100%)・
Power feeding switching(at rated input/output) Within ±7%
Power failure/power recovery/sudden input change Within ±3%
Sync range Voltage:±10%
Frequency:Select from:±1%、±2%、±3%
Other Ambient temperature 0~40℃
Operation system Commercial sync/on-line type feeding system

48V50A装置

Electric specification (characteristics of mass-produced rectifier)

Item Rating and characteristics Notes
Model Rating Continuous  
Conversion method High frequency
Switching method
 
Cooling method Air-cooling without blower  
AC input Number of phases  
Rated voltage 200V  
Voltage fluctuation range 180V ~ 220V  
Rated frequency 50Hz/60Hz  
Frequency fluctuation range 47Hz ~ 53Hz
57Hz ~ 63Hz
 
Power factor 98%or higher At rated input/output
High-frequency noise VC CI Class A Conforming
DC output Rated voltage 51.29V
53.52V
55.75V
MSE accumulator 23 cells
MSE accumulator 24 cells
MSE accumulator 25 cells
Voltage adjustment range ±3%or higher At rated operation
Constant-voltage precision within ±1%  
Rated current 50A  
Current fluctuation range 0A ~ 50A  
Maximum current limiting 110% or less  
Efficiency 88%or higher At rated input/output
Ripple voltage 200mVp-p or less  
Psophometric voltage 2mVor less When accumulator is not connected
Dielectric strength Withstand voltage 3MΩ or higher  
Between input and output AC2,000V/minute  
Between input and ground AC2,000V/minute  
Between output and ground AC500/minute  
Other Current-balance function Yes At parallel operation
Block diode Yes  

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