Answer / perambalur sakthivel

red, yellow, blue are the primary color in spectrum lines
so in our senior fix the RYB (vanthni@yahoo.com)

why we use 3 phase in our country?..why no 4,5 or 2??

2 Answers   Siemens,

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what types of load we get from the national grid? is this capacitive or inductive?

1 Answers  

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How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

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how netral CT is selected (including its details specification)

8 Answers   ABB, ABC, dbpl, Mecon, Shree Engineering, Tapasya Transformers,

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What is the difference between isolators and electrical circuit breakers? What is bus-bar?

0 Answers  

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how to calculate cable size with respect kw

0 Answers   SPMI,

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if v r considering a 4000/1A ct,if v inject 1 amps in secondary core wat happens?(consider as 2 core ct,each for metering and protection)

1 Answers  

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what is meant by neutral Ct of a transformer and how it connected in transformer

4 Answers  

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How many loops can be provided in a circuit as per IS rules.?

1 Answers  

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Impedance relay is directional relay or non directional relay?

2 Answers   KSEB, NTDC,

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Why does the adjacent zone of protection overlap?

0 Answers  

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in slip ring motor if motor specification is given how we calculate its rotor resistance in starting

1 Answers  

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