A two pole three-phase 50 hz wye-connected AC generator has 9 slots per pole and 6 conductors per slot . What is the flux per pole if the voltage on open circuit is 1.1kv. Assume a coil span of unity.

A two pole three-phase 50 hz wye-connected AC generator has 9 slots per pole and 6 conductors per slot . What is the flux per pole if the voltage on open circuit is 1.1kv. Assume a coil span of unity.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter31: Three-phase Alternators

Section: Chapter Questions

Problem 1RQ: What conditions must be met before two alternators can be paralleled together?

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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

A two pole three-phase 50 hz wye-connected AC generator has 9 slots per pole and 6 conductors
per slot . What is the flux per pole if the voltage on open circuit is 1.1kv. Assume a coil span of
unity.

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