United Electrical Industries Ltd, Pallimukku has invited applications for the Diploma Tester & Technician (Electrical)post on Contract basis.. The last date for submission of the application is 20-10-2020. Educational Qualification: Tester : Diploma in Electrical...
1.The crest factor of alternating current is…..? Peak value / RMS value 2. A 0 to 200 V volt meter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by...
Lightning arrestor is connected between the line and earth. It is a protective device which conducts the high voltage surges (due to both direct and indirect stroke) on the power system to the ground...
Lightning surges may cause serious damage to the equipments in the power system, either by direct or by strokes on the transmission lines that reach the equipment as travelling wave. It is necessary to...
A sudden rise in voltage for a very short duration on the power system is known as voltage surge.The overvoltage on a power system may be broadly divided into two main categories. Internal Causes...
Busbars in the generating stations and sub stations form a link between the incoming and outgoing circuits.If a fault occurs in bus bar create damage and disruption of supply.The bus bar faults are generally...
Differential protection system or Merz-Price circulating current method Differential protection of a 3 phase delta/delta transformer used for the protection against phase to earth and phase to phase fault. Note that CTs on the...
SSC has invited applications for the Junior Engineer (Electrical) post for various Ministries/ Departments/ Organizations in the Government of India. The official notification for SSC Junior Engineer (Electrical ) Examination-2020-21 has been released on 1st October, 2020....
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