Custom PCS Power Conversion System

Product Model
LEG-50K / 100K / 250K-TT


Power conversion system can control the charging and discharging process of the battery and convert the AC and DC. It can directly supply power to the AC load without power grid.

  • Product Detail

Application scenarios

Industrial and commercial peak shaving and valley filling energy-saving applications, excessive energy consumption applications,electric energy regulation and SVG at the power grid and power generation side, microgrid and island applications, supporting emergency power supply applications in disaster sites, subway stations, airport terminals, military bases and other special occasions.


Product Features

Reliable and Safe 
  • Can be used in high-altitude, alpine areas
  • Power frequency topology, industrial design

  • AC and DC dual power backup, ensure the power supply of the control system

  • High power density,Max. efficiency up to 97.6%
  • High-performance DSP,optimized control circuit design, better performance

  • Wide DC input voltage range design,compatible with various batteries
  • Functions of grid connected charging & discharging and off-grid independent inverter
  • Reactive power and active power are adjustable
  • Support diesel generator access, seamless switching between on-grid and off-grid (optional)
  • Cold start with load, Three-phase 100% unbalanced load, strong load adaptability
  • Friendly grid adaptability,accept power grid dispatch
  • Intelligent management control strategy, multiple working modes, online or remote switching

     

Technical Specifications

Model LEG-50K-TT LEG-100K-TT LEG-250K-TT
DC Input (PV)
Max. DC Voltage [V] 850
Operating Voltage range [V] 500~850
AC Output (On Grid)
Rated Power [kW] 50 100 250
Max. AC Power [kVA] 55 110 275
Max. AC Current [A] 79 159 397
Rated Grid Voltage [V] 400
Rated Grid Frequency [Hz] 50/60
Rated Frequency Range [Hz] 45~55/55~65
Power Factor at Rated Power >0.99
THDi <3% (Rated power)
Power Factor  0.9 leading to 0.9 lagging
AC Output System 3W/N/PE
AC Output (Off Grid)
Rated Output Power [kW] 50 100 250
Max.Output Power [kVA] 55 110 275
Rated Output Voltage [V] 400
Rated Frequency [Hz] 50/60
THDu <3% (Linear load)
Unbalanced Load Capacity 100%
Protection
DC Overvoltage Protection Yes
DC Short Circuit Protection Yes
AC Overvoltage Protection Yes
Polarity Reverse Protection Yes
Module Temperature Protection Yes
Efficiency
Max. Efficiency 96.0% 97.0%
General Parameters
Dimensions (W*D*H)[mm] 1000*800*2015 1000*1050*2260
Net Weight [kg] 650 750 1600
Isolation Transformer Yes
Temperature Range [℃] 30~+55
Shutdown Self power Consumption [W] <50
Cooling Method Forced air cooling
Installation Style IP20
Relative Humidity 0~95%,non-condensing
Max. Altitude [m] 5000 (3000 Derating)
Display Mode Touch screen
Dispatching Communication Mode Ethernet,RS485
BMS Communication Mode RS485,CAN
Communication Protocol Modbus,IEC104


Application Principle

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Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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