how to calculate the size of cable tray

3 Answers  

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what is vector surge & vector shift? we have 25.3 MW(11kv) generator & 11kv/132kv transformer, connected with with 132 kv grid.vector surge relay is tripping frequentaly.what is permissible maximum limit for this.

3 Answers  

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various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

0 Answers  

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what the is the distance between 110kv termination point and the ground. how to calculate

1 Answers  

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show that power dissipated by a pure inductor exited by a sinusoidal voltage source v = vm sin wt is zero

1 Answers  

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why are maintine power factor 0.99 in Eb line? why are used capacitor bank in Eb line? what is the purpose capacitor bank?

4 Answers   TNEB Tamil Nadu Electricity Board,

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how to varied the frequency in transmission line and how i kept it as a constant one?

2 Answers   L&T,

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

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2. What are the parameters of EHT sub-station?

0 Answers   APGenco,

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What is the basic difference between synchronous machine and induction machiine?

1 Answers  

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What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

0 Answers  

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difference between silent and non silent pole rotor?

3 Answers  

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