China supplier MPPT Solar pump/pannels dc ac converter hot water systems 220v 1.5kw 50~60HZ
Feature:
◆EM12-SP MPPT algorithm of fast tracking of maximum power point of PV cells, efficiency > 99%.
◆Solar battery working point voltage can be manually or automatically MPPT tracking.
◆All-weather automatic operation, can also be manually, realize "sunrise work and sunset sleep".
◆It can switch between city grid AC power supply and PV battery power.
◆Auto sleep function/pump dry protect/low frequency protection/ over load protection, etc.
◆Water level detection function, can support terminal and analog detection.
◆Accurate display PV power, PV current, operating parameters, such as pump flow.
◆The IGBT carrier frequency can auto adjustment according to heat sink temperature.
◆35 kinds protection function, including auto detecting short circuit after power on.
◆Suggested working Voltage Range:DC 300V~380V or DC450V~650V.
◆Controller perfect protection function, such as over voltage/over current/loss of phase.
◆Output Voltage Range:0V~rated input voltage.
◆Output Frequency Range:V/F( 0~3000Hz); Vector Control (0~300Hz).
◆Overload Capacity:60s with 150% of rated current, 3s with 180% of rated current.
◆Speed Accuracy: ±0.5% (SVC); ±0.02% (VC).
◆Pulse setting input: 0Khz~100Khz.
◆All model built-in Modbus, RS485 card, terminal control, analogy control.
◆EM12-SP models are integrated IGBT.
◆The malfunction ratio is 0.1% within 18 months warranty.
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