What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

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CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D

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what is the principal of star delta starter?

9 Answers  

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How can I known multiplying factor .without multiplying table

0 Answers   Student,

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say a transformer is designed for 33/11kv step down with ratio 0.33 for load 1 mva. if am giving 11kv as a input that same transformer what will happen to its o/p voltage. and whether it can be operated for 500kva

4 Answers  

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What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.

1 Answers  

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How power is transferred from one winding to another in an auto-transformer? A) electrically B) magnetically C( both a & b D) neither of above

3 Answers   ISRO,

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Why is the earth fault relay connected to the Yellow Phase?

4 Answers  

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what are the types of cables?

3 Answers  

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what is the formular for the calculation of CT'S when installed as part of a electrical installation so the correct meter is used

2 Answers  

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what is the function of governor in dg set

1 Answers   Igarashi, Medispray, Reddy Labs,

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FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

0 Answers  

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