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.
