China Excessive Frequency Hybrid Solar Inverter 1000W 12VDC / MPPT Monitoring Voltage 120-450V on World Sources, 1000W Hybrid Solar Inverter, 1000W Solar Inverter, Solar Inverter – World Sources

We offer 3 optional inverter working modes (transmission time≤4ms):

1) AC priority mode (d0)
A. With normal mains power supply (according to the input voltage range of the inverter), on the one hand, the mains power supply charges the battery (with a built-in solar controller, mains current and solar energy charge the battery at the same time); on the other hand, only the power grid supplies the load (the load does not consume solar and battery energy);
B. If the grid voltage is abnormal (the grid voltage is outside the inverter working range or the grid voltage is interrupted), the inverter switches to battery mode and the battery supplies the load (if installed) in the solar controller when the solar energy is greater than the load power , the load is fully supplied by solar energy and the excess energy charges the battery; if the solar power is less than the load power, the insufficient part will be replenished by the battery, the load will be powered by solar power and battery together).

2) PV priority mode (d1)
A. When the solar power is normal (in accordance with the solar input voltage range of the inverter), when the solar power is greater than the power of the load, the load will be fully powered by solar power and the excess solar power will charge the battery when the solar power is less than the power of the load, the insufficient part is replenished by the battery, and the solar power and the battery together supply power to the load. When the battery is under voltage due to the load, the inverter switches to AC mode for power supply and the solar cell only charges the battery;
B. If the solar power is abnormal (the solar voltage exceeds the inverter working range or the solar power is interrupted, the inverter will go directly to AC mode for power supply and the utility power will charge the battery.

3) battery priority mode (d2)
A. If the inverter does not have a low voltage battery alarm, even if the utility draw is normal, the inverter will switch to battery mode and the battery will provide power to the load. When the solar power is greater than the load power, the solar power fully supplies the load with electricity. and the excess energy charges the battery. When the solar power is less than the load power, the insufficient part is replenished by the battery, and the solar power and the battery jointly supply power to the load;
B. If the battery is at low voltage (i.e. the voltage of a traditional self-contained battery is 11 VDC) and the utility draw is normal, the inverter will go into AC mode and the utility power will provide full power to the load while the solar energy will charge the battery, however AC power does not charge the battery.

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