Causes of Failure of Electrical Equipment

Tools and instruments used for fault finding

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The instruments are necessary for diagnostic and troubleshooting. To carry out the maintenance work, the maintenance tools and materials should be available to the maintenance technician. The wrenches, Ellen keys, screw drivers are standard shop-tools & therefore need not be included in the tools and instruments list. Following are the Instruments used for fault finding … Read more

Circuit Faults

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The basic types of circuit faults in electrical system are:- Short circuit faults Earth fault Open circuit fault (High resistance fault) The circuit faults occurs due to following one or more reasons(factors).Moisture, dirt, dust, vibrations, heavy currents, surrounding heat, loose connection, heating cycles. Any electrical equipment cannot exist without insulation. The above factors adversely affect(impact) … Read more

Causes of Failure of Electrical Equipment

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The main contribution to failure of any system is human. The human caused failures are due to following reasons:- Poor workmanship – during manufacture of electrical equipments, transit(while moving of carrying from one place to another) , during installation of equimpents and due to incorrect operations. Lack of experience, knowledge & willingness towards work. Lacking … Read more