1. Power supply phase loss Cause: When the inverter power supply phase is lost, the three-phase rectification becomes two-phase rectification. After the load is applied, the DC voltage after rectification is low, causing undervoltage failure.
When a photovoltaic power generation system fails, the inverter must actively isolate the grid from the inverter main circuit through a relay. Common causes and solutions for inverter failure of relay are as follows: Reason 1: The inverter falsely reported a inverter failure. Solution: Restart the inverter several times.
Countermeasure: Try to reduce the number of inverters started or working at the same time, install AC reactors on the input side of the inverter, and increase the capacity of the power supply transformer if it doesn''t work. 4. Interference from the outside world or between inverters
In addition to the above common faults, the inverter may also encounter other problems, such as communication failure, overheating failure, etc. These problems may be caused by various factors such as equipment design, manufacturing process, and use environment. Handling method:
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This article will give you an overall guide on the reasons of 10 common inverter failure and the solutions step by step to solve these problems.
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