what is synchronizing panel & its working.

3 Answers  

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Are same transformer be employed for step up and step down services?

3 Answers  

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TO operate transformers in parallel, vector symbol of the both should be same.If one transformer name plate is not there, how can we conclude that whether the transformer is having the same vector symbol or not?

4 Answers  

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what are the 4 rules to start the motor?

0 Answers   JK Associates,

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stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

0 Answers  

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What is difference between Dy11 & Dyn11 vector group transformer. Can both these transformers operate in parrallel.

5 Answers   Jaypee, JOY,

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Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads,

4 Answers   L&T,

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why use only sf6 circuit breker in 400 kv sub station

5 Answers   BARC,

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What are the protections for safe running of electric generator?

0 Answers   Hetero,

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how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

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working of bulb?

1 Answers  

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Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

2 Answers  

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