Answer / k.prakashchandra

LAVT is abbreviation for lightning arrester and voltage
transformer (PT)which can be used for measurement ,synch and
protection.

Answer / sudarshan

excitation transformer is alternate to pmg in case of generator excitation,its rating is same as excitation required by generator.
in case of failure of pmg generator main main exciter can be excited through excitation transformer.

excitation trans----.
......main exciter.....rotor
pmg----------- .

can we use breather in a SEALED power or distribution transfomer instead of injecting nitrogen.

1 Answers  

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What is the winding resistsnce need to be in a 1000kva, 11kv/415v transformer, between ht winding to lt winding, ht winding to earth, lt winding to earth.?

1 Answers   Trident,

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How to model two generators into a single generator ? Eg. two generators connected to a bus, would like to model it as a single generator connected to a bus.

0 Answers  

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What is the relationship between voltage,current & frequency?

0 Answers  

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can i connect the two phases of scott connected transformer,if not why?

0 Answers  

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How many safety of Disel Generator

5 Answers   Sail,

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How to find ampere on ht side for selection of cable size ???

0 Answers  

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how the reverse power relay acts..

2 Answers  

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Why Trasformers rated in KVA

13 Answers   College School Exams Tests, HAL, Oil and Gas Jobs,

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To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

0 Answers  

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IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV ( 700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE

1 Answers  

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sir i had plane to do some project with the base of hopkinson test in AC supply its possible

0 Answers  

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