Answer / gaurav voriya

A thyristor is a solid-state semiconductor device with four
layers of alternating N and P-type material. They act as
bistable switches, conducting when their gate receives a
current trigger, and continue to conduct while they are
forward biased

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

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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

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how does the switching of capacitors in a capacitor bank take place when we use them at the load side to reduce the power factor?

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PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

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1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

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How to find the maximum load that can supply by a particular(say 315kva) KVA rated transformer?

2 Answers   ME,

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What is generator

1 Answers   Mytrah Energy,

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what are fluorescent lamps (fluorescent fixtures) & what are incandescen lamps (incandescents fixtures) ? differences between these two ?

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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How the value of KVAR of capacitor bank used in switchgears calculated??

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What is the purpose of starter and choke in tube light?

9 Answers   Chimay Brewery, TATA, TSPL,

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what will happen when ac is applied resistor,inductor,capcitor?

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