How do i calculate sizing of transformer on didstrubution
load for high rise building.What should be MVA Rating of MV
Panel feding by 122 kv.
Answers were Sorted based on User's Feedback
Answer / mf.khan
Transformer size can be calculated on Maximum Dammand Load.
For 122KV MV Switchgear fault level should be 350MVA.
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Answer / ravindra
Transformer rating calculated in KVA. We can measure any
transformer rating from its HT & LT Bushing.
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We have a 33/11kv switchyard having 12.5 MVA power transformer. We export & import power through this transformer. When we export power, the PF will be depend on GRID PF & when we import power the PF will be depend on our load PF. but the problem is that,when neither we export nor import but our 33KV vCB is in close position,our meter read the power factor 0.14 to 0.25 at that moment. So how can be we improve the power factor at that moment.
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5 Answers ABB, Nissi Engineering Solution,
why transformer rating is given in kva?