For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.

2 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?

0 Answers  

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IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

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what is the function of commutator in dc motor?

52 Answers   Aviation, HP, Raj Construction, TCE, University Exams,

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The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

0 Answers  

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

0 Answers   4T Technologies,

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HOW MANY EARTHINGS REQUIRED FOR GENERATER

10 Answers   Juniper Networks,

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Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

0 Answers  

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What is the value of nuetral current in star connected load when DC is supplied to it???

1 Answers  

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at present how many EHVAC lines are there in India?

8 Answers   HCL, L&T,

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How can I communicate with an Areva MiCOM P121 relay by RS485 port? In other word, which command can I send and what information can I have recieved? please send some refrences, please. thanks

3 Answers  

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