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power control center panel

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Q: What is PCC panel?
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What is the pcc room?

pcc is the power control center, in which all distribution switches are installed and operated here


What is the difference between mcc and pcc?

MCC-Motor control center which consist of motor staters to control the motor. PCC-power contol center which is control the power to distribution system


Difference between rcc and pcc?

PCC is plain cement concrete. It consists of cement, sand, aggregates and water. It is good at resisting compression. RCC is reinforced cement concrete. It consists of cement, steel, aggregate and water. It is good at resisting tensile stresses also.


What is double busbar arrangement?

Double bus bar is related to power control center (PCC). PCC is the main LT power distribution in any industrial establishment or large residential complex too. It basically an electrical panel with required number of incomer feeders and outgoing feeders. Power source like state power or captive power provide the incomers and outgoing feeders cater to the down stream power panels for further distribution( to MCC). Any PCC has one or more incomer and one or more outgoing feeder and bus isolators depending on the requirement. This PCC needs to have a bus bar to which the incomer gets connected and feeds the power to the bus and the outgoing feeders are connected to the bus bar to deliver the power down stream. This bus bar can be single bus bar system or double bus bar system. In a double bus bar system the two different power sources are connected to two different bus. Say one bus is for DG set power another bus is for SEB power. Both the buses can be charged simultaneously and can feed any outgoing feeders. The out going feeder have flexibility of getting the power either of the buses, but not simultaneously from both the buses. Double bus bar is more expensive compared to single bus bar system but more flexible, reliable.


When would you want to upgrade the main electrical panel vs just adding a sub-panel?

Depending on how many breakers you have in your exisiting panel if you only have a old 6 or 8 circuit panel then I would suggest a new panel, In the newer building world where you have a 20 or 30 circuit panel then I would suggest a sub panel.