China supplier MPPT Solar pump/pannels dc ac converter hot water systems 220v 1.5kw 50~...

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.