Intelligent frequency conversion switch power supply in small system

RHD series small system is specially designed for small-capacity systems below 100An. The system adopts integrated design philosophy, and consists of rectifying modular, monitoring modular and silicon chain voltage reduction control. It is characterized with simple structure and low cost.

System characteristics

Fit for DC systems below 100An.

 
• 3 7A modular supplying 22V/21A (110V/30A)
• Modular and monitoring unit adopt plug-in/out structure.
  
• Modular and monitor in the same tray in compact structure.
  
• Monitor has silicon chain voltage automatic control, with only additional silicon chain for automatic voltage adjustment.
  
• Monitor fulfills test and measuring of voltage, current and battery charging current, requiring no additional line or sensor.
  
• Monitor adopts LCD, Chinese menu, press-key operation for system parameter setting, display and system malfunction display and caliber.
  
• Monitor boasts battery automatic management function.
  
• Providing RS232 port, and connected with automation system of power station
  
• AC input voltage: 380V±15% (3-phase)
  
• Frequency of electrical grid：50HZ±10%
  
• Power factor：≥0.90
  
• Output voltage range: 90V~160V adjustable (for 110V system)
  
• 180V~280V adjustable (for 220V system) ｜
  
• Output current limit: 0.5~7A (single modular)
  
• Voltage stability precision:：≤±0.5%
  
• Current stability precision：≤±0.5%
  
• Wave coefficient：≤±0.1%
  
• Average current rate：≤±5%
  
• Efficiency：≥94%
  
• Output over-voltage protection： 280V±2V(220V) 162V±2V(110V)
  
• Insulating resistance：≥10M
  
• Insulating intensity: imposing 2KVAC for 1 min with no arc display
  
• relative humidity：≤90%
  
• Ambient temperature：-5℃~45℃
  
• Audible noise：≤55DB

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