Answer / kabira

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Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

0 Answers   ABB,

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what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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what is the defination of 'Mass' & 'Weight'

3 Answers  

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HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

6 Answers  

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a distribution transformer(3 phase)supplying 440volt per phase.now suppose one of phase voltage(230volt) becomes zero.what will be the cause ?

3 Answers  

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ADVANTAGES OF DIGITAL COMMUNICATION OVER ANALOG.?

1 Answers   Google,

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Does the ELCB or RCCB trip when it is connected to a primary side of a welding transformer?

3 Answers   Tata Motors,

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How can we prevent the (Home)inverter supply flow to the main supply line?

1 Answers   L&T,

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What is the difference between Derived earth Fault and measured earth fault.How it works.

1 Answers  

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sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

0 Answers  

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WHAT IS THE HIGHEST UNDERGROUND TRANSMISSION VOLTAGE IN THE WORLD?

3 Answers   Power Grid,

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what is different between DIGITAL and ANALOG?

3 Answers  

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