The constant of a 0.8 pf 2300V 60 hz 16 pole 3-phase wye connected 800Hp SM are as follows: leakage reactance per phase = 0.86 Ω effective resistance per phase = 0.19 Ω The efficiency at rated output and unity pf is 94.4%. Determine the following a. current at rated output and unity pf b. counter emf at 0.75 pf lag and rated kVA

The constant of a 0.8 pf 2300V 60 hz 16 pole 3-phase wye connected 800Hp SM are as follows: leakage reactance per phase = 0.86 Ω effective resistance per phase = 0.19 Ω The efficiency at rated output and unity pf is 94.4%. Determine the following a. current at rated output and unity pf b. counter emf at 0.75 pf lag and rated kVA

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter26: Three-phase Circuits

Section: Chapter Questions

Problem 3PA: You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a...

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