How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values

2 Answers   Hyundai, Sodexo,

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I want to know if it is possible to use Variable Frequency Drive to reduce the current required for starting a motor?

3 Answers   Descon,

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Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?

0 Answers  

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why transformers are sometimes kept on concrete benches..?

2 Answers  

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what is softstarter? explain briefly where it is used?

2 Answers   Essar,

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how to identified power tranfer line is how much KV????

5 Answers   Essar,

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cable tray sizing & selection

1 Answers  

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hi this toufik here. i am doing my b.e.degree.now i am in final year and supposed to do a project in this year so i thinking to control the buchholz relay using software base means checking the status of transformer oil using microcontroler, plc or scada. so can i do so...??? alz suggest me...

2 Answers  

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why we are using DC violtage for testing of cables....which is used in HV AC applicatons...

1 Answers  

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Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

0 Answers  

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what is the powerfactor

5 Answers   GVK,

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why ie corona losses in tranmission line

1 Answers  

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