what is demagnetising effect & crossmagnetising effect and how it is related to electrical system?is there any more effects are available or only these two??

1 Answers   Telco,

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explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

0 Answers   MPPGCL Madhya Pradesh Power Generating Company Ltd,

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what is the difference between UPS and INVERTER?

5 Answers   Techno Engineering,

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what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 Answers  

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If we want to change a contactor of faulty one what are the conditions want to fullfil

0 Answers   Qatar Shell,

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in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

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what is the reason for earthing static equipments? why?

3 Answers  

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what is the purpose of high speed earth switch in gas insulated substat

0 Answers   ABB,

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After synchronization with grid how to maintain the power factor in lagging or in leading? if lead of lag what is the problem?

3 Answers  

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can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

0 Answers  

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how dc load convert to ac load

3 Answers   Sunpower Solutions,

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can anyone provide me a amf panel control wiring using ec-2 relay?

0 Answers   Electro Tech,

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