Answer / ummed singh

yes, because scr can only be turn on by applying gate pulses
but it cannot be turnoff by the same.

Ref. P.S. Bhimbra power electronics

Answer / keshav khannawalia

yes, only triggering can be done through gate but commutation cant be done through gate,gate loses control after the scr turns on ...

Answer / guest

yes

Answer / sidharth

NO, the firing angle of the SCR can be controlled from 0 to 360 degrees. only the operation of the SCR changes. It acts as a phase controlled rectifier from 0 to 180 degrees and as an inverter from 180 to 360 degrees.

phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?

3 Answers   KSEB,

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Let's say I have 2 current carrying conductors C1 and C2 carrying currents of 5A and 10A. They are brought close to each other from a distance of infinity to a distance of 10cm away from each other - 1. What would be the values of current flowing in each conductor when (taking into account effects of interference of each conductor on the other) - a. The currents are AC b. The currents are DC c. C1 is AC and C2 is DC Please explain your answer with mathematical equations and formulas. Please specify the final numeric answer. Please make assumptions and clearly specify them.

1 Answers  

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what is sevice settings for mccb?How can be it setted?

0 Answers   Bhel, Minda,

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For a stable system, where should the poles of a system be in a root loci plot?

0 Answers   GE,

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what is first pole to clear factor ?

3 Answers  

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why transformer are rated in KVA not in watt?

7 Answers   DMRC, L&T, TCS,

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Alternators are invariably star connected why?

4 Answers  

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what is XLPE cable?

2 Answers   Essar,

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main difference between ac and dc?

0 Answers   Classic Network,

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Why PT burnts?

2 Answers  

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What are the types of lighning arrestor protection system? how to choose that according to load?

2 Answers   SPL,

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What is difference between A.C & D.C Resistance ?

4 Answers  

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