HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

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why tertiary winding is used in transformer with diagram?

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why dc is used in control circuits for MV & LV switchgeras instead of ac

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What will happen if i connect two 3-phase tranformers secondary supply on one bus bar that is R-Y-B-N?

2 Answers   GMR,

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jubail O&M,

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how to reduce disel generator voltage from 410-60 hz to 380v-60hz

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Discuss about gear cutting machines.

0 Answers   Ashok Leyland,

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current and voltage equations for a star connected load fed from a delta connected load.

1 Answers  

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What is A check, B check, C Check & D check for a diesel Generat

0 Answers   Jtekt Koyo Bearings,

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What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

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in what type of applications v can use q meter?

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

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