Electrical distribution panels (cells)

APV manufactures electrical control and distribution panels exclusively for high-voltage power distribution substations. They design and supply AC and DC control panels for various power supply, switching, and disconnection equipment, as well as substation protection systems.

Power distribution panels (cells) are essential components of electrical networks, distributing and protecting power from main sources to various sub-circuits.

Types of Cells and Distribution Panels

• Medium Voltage Cells: Power distribution panels operate on networks with voltages ranging from 6 to 24 kV.

• Gas Insulated Cells (GIS): These cells use gas as the insulating medium. They are smaller and preferred for confined spaces.

• Air Insulated Cells (AIS): These cells use air as the insulating medium and are used in general applications.

• Applications: Power plants, pumping stations, hospitals, and banks.

• Main Distribution Board (MDB) : The main power entry point into a building, distributing it to branch circuits.

• Uses: Receives power from transformers or main generators and supplies power to buildings such as shopping malls, universities, and hotels.

• Ring Main Units (RMUs): A type of secondary distribution unit used to connect multiple electrical circuits.

• Uses: Allows the operation of electrical circuits and provides alternative power routes in case of a fault.

Components of an Electrical Distribution Board

• Circuit Breakers: Used to automatically disconnect circuits in case of faults or overloads.

• Main Breakers: A large breaker that controls the total power entering the board.

• Busbars: Metal strips (usually copper) that carry and distribute electrical power to the various circuits within the board.

• Metering Cells: Special units that connect two sections together, also known as "busbar junction cells."

• Insulation elements: Components that provide insulation between different electrical components to protect against electrical leakage.

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