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 | 3φ | |
| 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 | ||
