Answer / suthar bharat

using vector group of a 3ph tranformer ,we can say that ,it
defined different phase angle between primary winding and
secondary winding. Like ,different group 0',30',-30',180'..

If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 Answers  

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What is the formula for calculating no-load current?

0 Answers  

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how to read AWG n how to convert AWG reading into mm?

1 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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How calculate the MTA in relay?

1 Answers   Unicharm,

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How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

0 Answers  

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what modulation is used in landline telephone signals?

2 Answers  

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What are safety seals?

1 Answers   HSL,

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how can we calculate fault current of a line in a 6 bus syatem if the faulted line is known?

1 Answers  

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What is difference between Sample test and Routine test in safety standard?

0 Answers   Chicony Electronics,

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what need of NGR(neutral grounding registor)? What it works?

2 Answers  

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what will be the efficiency off x'mer during no load test and during short circuit test

1 Answers   GPSC Gujarat Public Service Commission,

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