Products and ServicesPower Conversion Solutions
Power Conversion Solutions Power Supplies for Communications Devices
Informatization means increasingly high-speed and large-capacity operations, and its foundation is built on communications supported by precise, highly reliable power sources used in equipment and facilities that link the world together, including mobile communications and data centers.
Parallel redundant operation type uninterruptible power supplies
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 | |
48V-50A unit
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 | ||
