Three single-phase transformers, each rated 100 kVA, are connected in to power a three-phase 300-kVA load.

Question:

Three single-phase transformers, each rated 100 kVA, are connected in Δ–Δ to power a three-phase 300-kVA load. If one of them is removed for repairs, determine:

(1) The line voltage on the load side and

(2) The maximum kilovolt-ampere load the remaining two transformers can provide.

IL1 VLL 424 113 IL1 /L1 /IL VLL Phase A Phase C (a) Full A-system Phase A Phase B (b) Open A-system Phase B

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Introduction To Electrical Power And Power Electronics

ISBN: 9781466556607

1st Edition

Authors: Mukund R. Patel

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Question Posted: Dec 01, 2023 09:31 AM

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Three single-phase transformers, each rated 100 kVA, are connected in to power a three-phase 300-kVA load.

Question:

IL1 VLL 424 113 IL1 ½/L1 ½/IL VLL Phase A Phase C (a) Full A-system Phase A Phase B (b) Open A-system Phase B Phase C removed

Step by Step Answer:

1 By removing one transformer the connected bank of three singleph...View the full answer

Introduction To Electrical Power And Power Electronics

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