Answer / ruddho

Percentage differential protection and high speed high set
overcurrent relay are used for 5MVA and above power
transformer.
Reference book:Switchgear protection and power system.

Answer / velu5185

1.EARTH FAULT
2.OVER CURRENT
3.OIL TEMPERATURE
4.WINDING TEMPERATURE

Differenciate between circuit wiring and sub main wiring with illustrations

0 Answers   MU,

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i have a 1500kVA transformer what is the kWH meter i need to use?

0 Answers   HP, L&T, Mohammed Harasani Architects,

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what is ripple component in ac supply?

2 Answers  

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why earth wire is needed in a wiring system

1 Answers  

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IF avr is voltage regulator of genset means why we are giving genset CT sense to AVR ?

3 Answers   ABB,

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why the generator operating along with the infinte bus bar should never be under_excited?

1 Answers  

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How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 Answers  

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What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

0 Answers  

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WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS MOTOR...............................JUSTIFY

2 Answers   ISMT,

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Explain the advantages and disadvantages of thermal power plant?

0 Answers  

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why the neutral line is not giving shock to us if we touch it ?

0 Answers   GPREC,

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what is the different bitween ETP & WTP

1 Answers   Square Pharma,

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