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  • Users: rajapon
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  1. rajapon

    11KV busbar short circuit rating and parallel operation of transformer

    Hi Guys Ratings 11KV Busbar Rating=25KA for 3 sec Operating voltage of the bus bar =11KV Rated voltage of bus bar=12KV Rated normal current of bus bar=2500 Power transformer rating =20MVA,33/11KV In my S/S three transformers ,so in the 11KV incomer-3 & bus section-2 (5 breaker system)...
  2. rajapon

    Transformer operating in parallel with different percentage impedance

    Hi Guys , 3*20MVA S/S Transformer 1&2 have the same percentage impedance Transformer 3 have the different percentage impedance My question can we make parallel opearation of transformer 2&3? Thansk & Regards Raja.P
  3. rajapon

    Capacitor bank requirement

    Hi everyone, I am Raja, i have some technical doubts ,i am working in 33/11 KV substation with 3 20 MVA(33/11.5KV) transformer 1) 11KV SWG SEC-A,SEC-B & SEC-C (three incomer & 2 Bus section scheme) 2) 5 MVAR capacitor bank for each 11KV SWG( SEC-A,SEC-B & SEC-C) My doubt when incomer-1 in...

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