General Details

Solar Power Control System / Hybrid

Solar Power Control System / Hybrid (SPCS / H) cabinets are designed to supply three phase induction motors in solar pumping systems. These cabinets have a hybrid power input. They could be supplied simultaneously from a 3-phase AC power grid and from a PV array (Figure 1).

Example diagram of SPCS / H pump installation:

Figure 1 – Example diagram of a typical SPCS / H application

The SPCS / H cabinet works in a proportional mode, when it is supplied from both, an AC grid and PV panels, the device consumes the maximum possible energy from the PV array and, if the solar energy is not enough to feed the pump (with its rated power), then it consumes the rest necessary energy from the AC power grid.

The SPCS / H cabinet could be supplied also only from one power source. For example, only from a PV array. The AC power grid could be switched on from the AC power switch (on the front panel of the cabinet), only when the customer needs it.

The SPCS / H cabinet includes Inverter module, HPSI module, AC grid and PV side arresters, PV fuse holders, AC and DC Switches, Control Switch. Optional there could be included communication modules and water level control module.

Techical Info
Type  SPCS / H   
Main ApplicationDrive power – matched three-phase pumps
Output Power (Motor Pump Power)kW7.5111519
Output Voltage (Motor Supply Voltage)V AC
3x400
Input PV Voltage RangeV DC
560 – 800
Max. V OCV DC
800
Max. Input DC current per DC inputA DC
15
Available Number of PV string inputsQ-ty3456
Recommended PV Panels PowerWp
235 – 250
Recommended Total PV Panels PowerWp14400192002400028800
Recommended number of stringsQ-ty3456
Recommended PV panels per stringQ-ty
18 - 20
Protection Class
IP 54
DC switch
Build in
PV inputs individual protection
By fuses
Input AC Grid VoltageV AC
380 - 420 3~ 50/60Hz
Input AC Grid CurrentAAC16283540
Operation modes
Manual / Fully automatic
Technology
Advanced MPPT
IGBT Power Modules
ProtectionsElectronic
DC Input reversal
Over Load
Protection
Output Short circuit
Earth fault protection
Over Voltage
Under Voltage
Over Heating
Dry Run
System
Lightning protection by surge arresters
System Inputs and Outputs - Option 1Digital
4 Digital Inputs
1 Digital Counting Input
Analogue
1 Analogue Input 4- 20mA
Relays
2 NO/NC
Digital
2 Open Collector Outputs
Inverter Communication Interface
Modbus RS232 / RS485
Communication with SPCS / HOption 2
RS232/485 to Ethernet
Option 3
RS232 to 3G (GSM communication)
Option 4
RS232 to GPRS (GSM communication)
Water Level ControlOption 5
WLC module allows connection of 1 or 2 sets of liquid level sensors
Weightkg303032.532.5
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