What is reason to get a power factor nearly zero in resistive loads

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What is the cut-off rate?

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How to calculate the diesel generator efficiency? what details are required to identify the running diesel generator sets with 1000 kVA & 180 kVA?

11 Answers   Greeves, Sudhir Power,

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HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

6 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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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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cb used in railway applications is?

2 Answers   NTPC,

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3phase motor 400v (induction) A.C 4kw company design 1400rpm but our requirement 2000rpm possible? attached any instrument. reply fast! contact 03343262442

3 Answers  

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how long will take to burst/damage for a CT when secondary in open condition? Experienced: During switchgear testing(Primary current injection test) some of the CT are in open condition, but nothing happen's why?

1 Answers  

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How to calculate the sag of OPGW during stringing???

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3phase motor can be used as a Prime mover for alternator.

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how can you size an automatic voltage regulator?

0 Answers  

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