Answer / abhi

i think the arc quenching in sf6 is better than vacuum. so for 33kv vacuum is usedc whereas for 132kv sf6 is used...

Answer / sathyamoorthy r

my idea 132kv vacum circuit breaker ,vacum create is most costly & difficult compare sf6 so usely sf6 and low kv use vacum . another difficult arc quencing medium is high for sf6

What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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what is the difference between line & phase current in star delta connection motor?

2 Answers  

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they conducted technica for 1 hour..i also managed..they selected 5 boys and only one girl,myself got wait listed.whether they would call or not

2 Answers   MAHINDRA,

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what is meant by skew width in machines?

0 Answers  

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What are armoured cables?

2 Answers   IOCL,

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a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

1 Answers   GATE,

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Is there any local or International standards that prohibit the installation of earthing pit in the planters area where the earthing pit is subject to continues soak in water?

1 Answers  

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is power factor correction related with vector group of transformer i.e:Dyn11?

1 Answers  

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How can we calculate cable size in Low voltage & high voltage

0 Answers   United Breweries UB,

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Why generator is not connecting in delta ..why connecting in star ?

4 Answers   Bhel, Foretec Engineers,

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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what is the major difference between dc generator and synchronous generator?

4 Answers  

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