why transmission line towers are longer than communication line towers?

3 Answers  

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how to determine ct ratio in ht vcb?

0 Answers   Techno Engineering,

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what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?

0 Answers  

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

0 Answers  

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what is ELCB?

10 Answers   Wipro,

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what is the difference between electrical & electronics

245 Answers   Axon Constructions, Banking, GDA Technologies, Infosys, MBA, Satyam, Satyam Tech, Snow White, TCS,

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how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

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who invented electricity?

20 Answers   L&T,

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what is meant by surge? what we called for high currents?

0 Answers  

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I have a question, I visit 01 site and face a problem, there is 2.5 ton Air Con working, when air con compressor is running at that time rectifier voltages are increasing upto 290-295 v and rectifier is giving main high alarm (rectifier is APC single phase), before starting compressor rectifier voltages was 230v. when air con is going off rectifier voltages are decreasing smoothly at its actual voltages 230v. Load on Genset phases is this: Red-13.5 amp AC (Air Con load), Yellow-1.7 amp AC (BTS lights etc.) and Blew-4 amp AC (telecom system load), Genset phase to phase and neutral to phase voltages are also ok. These are 10 sites having same system and same rectifier APC brand at every site 02 genset are working but the problem is same at all these 10 sites. What will be the reason behind???

1 Answers  

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how can we rotate a single phase motor (without cap.)in reverse direction?

2 Answers  

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what happens if we connect two parallel ideal voltage sources across resistor?what is current flowing through resistor?

2 Answers  

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