General Details

Solar Power Control System

Solar Power Control System (SPCS) cabinets are designed to supply three phase induction motors in solar pumping systems. These cabinets are supplied from a PV array (Figure 1).

Example diagram of SPCS pump installation:

SPCS - example installation (21.07.2015)_scaled

Fig. 1 – Example diagram of a typical SPCS application

The SPCS cabinet is for outdoor installation. After installation the cabinet could work in automatic mode and there is no need of additional adjustments.
The system is compatible and easy to operate with different types of water pumps.
The SPCS cabinet includes Inverter module, PV side arrester, PV fuse holders, Main DC Switch and Control Switch. Optional there could be included communication module and water level control module (Table 1 – Technical parameters).
The SPCS cabinet is for outdoor installation.

Techical Info
Type  SPCS   
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
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 1
Digital
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 / H
Option 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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