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Shanghai Shanjie Electric S&T Co.,Ltd
Shanghai Shanjie Electric S&T Co.,Ltd
Chinese version
Frequency stability Power Supply
3-Phase Variable-frequency power supply
Single-phase Variable-frequency power supply
400Hz Military Variable-frequency power supply

Variable-frequency power supply Variable-frequency power supply
SSW-150KVA SSW-1000KVA

Variable-frequency power supply

SSW-450KVA

 
 Introduction

  The CVCF power is mainly applied to some remote areas or generator power supply voltage and frequency fluctuations, leading to load equipment can not work normally, and designed & developed. It can make the power of bad power voltage, frequency stabilization treatment, the output of high quality and high reliable CVCF power , and avoid load equipment hazards for the voltage frequency fluctuations large, waveform distortion. It use hill card CVCF power electric equipment is safe and reliable operation of the best protection.
Performance characteristics:
  1, wide the input voltage and frequency range
  2, the output waveform is pure sine wave
  3, The specifically design for North Korea grid environment
  4, applicable to various types of loading
  5, the larger range of choice , capacity 1KVA-2000KVA
  6, stable performance, the core components used of the original Japanese import

Notes
  1) Custom-made specifications are available
  2) The website specifications are only for your reference, the actual specificities depends on attached specifications.


 Technical Index

Circuit Type

(IGBT)MPWM (Pulse Width Modulation)

Output Capacity

1KVA-20KVA

10KVA -2000KVA

Input(AC)

Single-phase:AC140V-260V

(Custom-made specifications are available)

Phase:Three-phase four-wire

Voltage:AC 265V - 495V

(Custom-made specifications are available)

Frequency:30 - 70HZ

(Custom-made specifications are available)

Frequency:30 - 70HZ

(Custom-made specifications are available)AC

Output(AC)

Voltage:Single-phase AC220V

Voltage:AC380VThree-phase four-wire/Single-phase AC220V

Frequency:50HZ/60HZ? Adjustable

Frequency:50HZ/60HZ? Adjustable

Frequency Stability

≤±0.1%

Load Regulation

≤1%

Waveform Distortion Rate

≤2%

Output Instruments

Frequency Indicator,Voltage Meter,Ampere Meter,Power Indicator/Power Factor Meter

Efficiency

≥85%

Protective Devices

Over load, short circuit, over voltage, over current, over temperature protective and alarm devices.

Operating Environment

 Temperature 0~40℃ Relative Humidity 0~90%


Method for Selecting Power Capacity

1. Resistance: Power Capacity = 1.1× Load Power


                  Load Starting Current
2. Induction: Power Capacity = ──────────────────── × Load Power
                  Load Rated Current

 

?????????????????????? ????           Wave Crest Coefficient for Load Current
3. Rectification: Power Capacity = ──────────────────────────────── × Load Power
                            1.5


4. Mixed: Please properly select according to the percentage of different loads.

 

Note: For such inductive loads as refrigerator and air conditioning, the power capacity should be selected according to the starting power.
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