Friday, July 31, 2015

Basics of Electrical Contactors

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A Electrical contactor is an electro-magnetic switching device used for remotely switching a power or control circuit. When a relay is used...
Sunday, July 26, 2015

How to Fix Overloaded Circuit Trips

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Introduction of Overloaded Circuit fault An overloaded circuit is the primary reason for a breaker tripping and occurs when a circui...
Sunday, July 19, 2015

How to Identify Short Circuit Faults

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Introduction of short circuit A short circuit is an abnormal low-resistance connection between two nodes of an electrical circuit that are...
Sunday, July 12, 2015

Types of Electrical Cables Used In Industry

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Electric power can be transmitted or distributed either by overhead system or by underground electrical cables. The underground cables hav...
Sunday, July 5, 2015

Howe Mounded Case Circuit Breaker (MCCB) Works ?

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A Mounded Case Circuit Breaker (MCCB) breaker will automatically trip when the current through it exceeds a pre-determined value.  In lowe...
Tuesday, June 30, 2015

How Residual Current Circuit Breaker (RCCB) Works?

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This type of circuit breaker works by comparing the current going in to an appliance with the current coming out. When an appliance is worki...
Wednesday, June 24, 2015

Main Air condition cycle of Central Air condition system

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Air condition cycle of Central Air condition system There are several heat transfer loops in a refrigeration system as shown in Figure 2...