Answer / ram

By means of Tri-vector Energy meter.which can record both
import and export.

For example see this meter :
http://www.wallaby-meters.com/prod.html
and many more are available ,above is one is used.

difference between the earth mat and earth grid?

3 Answers  

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how can we test the vector group of transformer

1 Answers  

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I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

0 Answers  

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What is RTCC panel and why it is required

31 Answers   RTCC, Tivoli Grand,

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i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work

3 Answers  

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How to calculate the TR (AC's)

4 Answers  

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what is an rmu?its circuit diagram.functions

14 Answers   CP Bangladesh, Emrill, NDPL,

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation

0 Answers  

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An input device is interfaced with Intel 8085A microprocessor as memory mapped I/O.The address of the device is 2500H.In order to input data from the device to accumulator,the sequence of instruction will be

1 Answers   GATE,

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in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?

2 Answers  

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