Integrated Power Conversion System (PCS) with Wide Voltage Range

Integrated Power Conversion System (PCS) with Wide Voltage Range
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The bidirectional converter can convert DC into AC and AC into DC. It can both convert AC to DC to charge the battery and convert DC into AC to power loads or back feed the grid. The power conversion system features advanced digital control technology that helps enhance a stable operation of the PCS system. It can switch among grid-connected discharging, grid-connected charging and off-grid operation modes. The power conversion system has a wide DC input range of 200V-900V, which can better suit the charging and discharging needs of different battery combinations. The power conversion system is characterized by a modular design, which allows flexible battery pack connections for the same power output. All of these can greatly increase the service life of batteries.

Application
  • To meet industrial and commercial demand management, peak shaving
  • To conduct peak shaving during high power demand periods and valley filling during off-peak hours
  • To serve as backup power
  • Power storage, voltage peak and frequency regulation 
  • To form a microgrid system
Features
  • Multiple modes: grid-connected, off-grid, or on and off-grid modes are available.
  • Three-level control technology ensures high-quality output of electricity.
  • The converter is a RS485 / Ethernet Converter and it is compatible to the power grid.
  • Functions of low voltage ride through and reactive power compensation;
  • Off-grid function: The micro-grid system composed of battery, energy storage inverter, PV solar panel could provide uninterruptible power supply.
  • 100% unbalanced load capacity in off-grid operation.
  • Continuous 105% rated output power.
  • Many power storage inverters can be connected in paralleled way to increase capacity of battery system.
  • AC or DC input is acceptable to keep the normal operation of battery system.
  • Modular design allows the flexible combination of power storage PCS.
Specification
Model WPCS50 WPCS100
DC parameter Voltage range DC200V~DC800V
Full power Volt range DC370V~DC800V
DC channel 1 2
Single channel rated current 135A
AC grid-connected parameters Output 3W N PE/3W PE
Nominal power 50KW 100KW
Nominal voltage AC 380V/400V
Nominal Current 75A 151A
Voltage range -15%~ 10%
Nominal frequency 50Hz/60Hz
Frequency range ±2Hz
Power factor 1
Output harmonics ≤3%
AC off-grid parameters Output 3W N PE/3W PE
Nominal power 50KW 100KW
Nominal voltage AC 380V/400V/415V
Nominal frequency 50Hz/60Hz
Nominal Current 75A 151A
Voltage accuracy 1%
Frequency accuracy ±0.2Hz
Output voltage harmonics 3%@ linear full load
Unbalanced load capacity 100%
Overload capacity 105%]: continuous operation; (105% ~ 120%]: 10min; 120%): stop operation
Environment Operating temperature -20℃~ 55℃(>45℃ derating)
Storage temperature -40℃~ 70℃(No batteries)
Optimal humidity 0% RH ~ 95% RH,No condensation
Operating altitude < 45℃,2000m;2000m ~ 4000m Derating
Noise <75dB
Others Communication CAN/RS485
Isolation Isolation Tranformer
Water/dust resistance rating (ip) IP20
Cooling Air conditioning
Maximum efficiency 98.5%(no transformer)
Dimension W*D*H 600*1000*2000
Weight 320kg 370kg
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