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

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What will be the sampling frequency that reveals the same sampled signal?

1 Answers   CCP,

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Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

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what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

0 Answers  

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What does “battery of 180 AMP HOUR” mean to you?

2 Answers  

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i have one transformer 1000kva, 11/.433kv. we are using 200/5 amp. ct unit for measuring purpose, & one 800 amp. V.C.B Unit for the same t/f operate, i wants to known the primary current of T/F is only 53 amp. why we used 800 amp. V.C.B ? & 200/5 amp. CT Unit.

4 Answers  

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What are the major types of Curent Transformers?

2 Answers  

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Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

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can we measure +,-.zero sequence current ....? if so how can ???

2 Answers   NLC,

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WHY WE USE 4-20mA

5 Answers   Coca Cola,

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Do I need a special Transformer to put 240 VAC 3 phase into it and and get 480 VAC 3 phase out of it to run a machine? Or, do I just use an ordinary step down transformer and step up the voltage? Thanks

2 Answers  

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