why the pressure coil is not present in the three phase wattmeter?

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UPS battery Back time = no.of Batteries * Ah of the Battery / output KVA * 130 ? what is the 130 means ? can any one help? because all are using this formula how its came 130?

2 Answers  

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lightning current is ac or dc..?????

7 Answers  

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in a transmission line if the load is suddenly increased in the receiving end of the system the phase shift will ?

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I have been short listed for sydicate clerkcal post .i have interview on 15th sept..i want to ask if i don't know kannada to read and write they won't allow me to attend the interview?Do send u r reply.......

1 Answers   Syndicate Bank,

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In Energy meter How many rotation Equal to one unit.

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3.7 kw motor ,how much sq mm cabel want to bare this motor load

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what is meant by skew width in machines?

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How will you explain transformer action in case of 3-phase induction motor?

4 Answers  

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How to calculate Air conditioning capacity for a telecom BTS shelter?

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what is the best transformer oil breakdown voltage?

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how to calculate power factor of capacitor? what is transformer rating?

2 Answers  

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