Photovoltaic Grid-Connected Cabinet | Low Voltage Distribution Cabinet | Photovoltaic Grid-Connected Solutions

Photovoltaic grid-connected cabinet, as the total output of photovoltaic power station, exists in the photovoltaic distributed power station system, is a power distribution device connecting photovoltaic power station and power grid, its role is as the demarcation point between photovoltaic power generation system and power grid, for low-voltage grid-connected cabinet photovoltaic power station, photovoltaic grid-connected cabinet can also be installed in the metering and protection and other functional devices. The photovoltaic grid-connected cabinet is composed of circuit breakers, disconnectors, meters, surge protectors, cabinets and other components. Through the combination of various components, it meets the technical requirements of the photovoltaic grid-connected system and realizes the protection and monitoring of the photovoltaic system.

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Feature

In order to protect the safe operation of the system to the greatest extent, ensure the safety coordination between the inverter and the mains power grid, and improve the reliability of the system and the design of the photovoltaic well grid distribution box.

The product has the characteristics of high protection level, long service life, easy installation and operation. Its functions include isolation protection, overload protection, short circuit protection, surge grounding protection, over-under-bed protection and re-closing after recovery, power generation and energy metering, etc.

Parameter

1) The grid-connected cabinet must be equipped with a clear disconnection point and must be level 4!
The photovoltaic system should be equipped with an isolation switch between the power supply load and the grid-connected inverter and between the public grid and the load, and the isolation switch should have obvious disconnection point indication and zero breaking function.
2) The main circuit breaker of the grid-connected cabinet must be equipped with photovoltaic under-voltage tripping!
When the voltage from the grid interface exceeds the specified voltage deviation range, the photovoltaic system should stop transmitting power to the grid, and this requirement applies to any phase of the multiphase system.

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