what is meant by residual over voltage & residual earth fault ?

0 Answers  

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why do we use LPF wattmeter not UPF in the experiment of no load and blocked rotor test of 3phase slipring induction motor?

3 Answers   Matrix,

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How to calculate unit consumption on the basis of load. kWH=kwXhrs.is it correct? kw is motor load.What is unit consumption at 100% load, 50% load & on no load.

6 Answers   GIL,

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What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

0 Answers  

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What is dc current source? Differentiate between ideal and non ideal current sources?

0 Answers  

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difine electrical ballast in HPSVL

0 Answers  

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difference between alternator & GENERATOR

4 Answers  

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1.what is the easiest way to convert AH(ampere hour)to watts?.

2 Answers  

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Is Neutral earthing necessary for single phase system or Genset? if yes or no then why?

1 Answers  

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hai every bodi please let me know the test procedure for lightning arresters.

2 Answers  

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Why winding temperature ct placed in B-Phase of the transformers?? 

3 Answers  

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

1 Answers  

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