Answer / sayyid ahamed pm

at the time of opening of cb more current and high voltages are causes to produce high arc due to air and moister are help to produce fire

Answer / mostafaghodrat

vaciuum c.b is advanced.

At the moment arc, and the keying is more effective.
air c.b is more expensive.

what is the use of capacitor bands?

2 Answers  

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what is the Mechanism of energy saver FAN how average power,reactive power, power factor e.t.c realated to it and how it apply to this FAN .and how this fan save energy w.r.t circuit analysis,plz repaly to this question this is the assignment to given to me.thanks

1 Answers  

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name the famous power plants in ap and vwhere it is located with capacity details

1 Answers   BARC,

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what is current check gurd relay?

0 Answers   MRF,

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hi, in the event earth grounding is not available in a project, is there any other way to make the elcb work? fyi, i have an instant water heater (6.5kw) installed, however if there is grounding in the heating element inside the heater assembly, i will get grounded. thank you in advance to those who will answer my question.

0 Answers  

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When motor stater and roter air gap do big then what will moter.

3 Answers   Intas,

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Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

0 Answers  

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why the manufacturer provide M and C terminals ? why they will not internally short them ?

1 Answers  

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Whats meant by trivector meter where it is connected at the substation?

20 Answers   GPIL, Infosys, Jakson, L&T, Secure Meters,

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What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

1 Answers  

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What may be happen if neutral and earth is shorted in a substation

3 Answers   Bureau Veritas,

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minimu size and length of gi earth pipe

2 Answers  

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