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Example 2.8: Two identical three phase alternators are coupled in parallel to a total load of 1500kW of 11000V, power fa
Posted: Sun May 15, 2022 6:33 pm
by answerhappygod
- Example 2 8 Two Identical Three Phase Alternators Are Coupled In Parallel To A Total Load Of 1500kw Of 11000v Power Fa 1 (58.41 KiB) Viewed 56 times
Example 2.8: Two identical three phase alternators are coupled in parallel to a total load of 1500kW of 11000V, power factor 0.8 lagging. The synchronous reactance of each machine is 6082 per phase, and resistance 2.812 per phase. The power supplied by each machine being maintained the same, the excitation of first alternator is adjusted so that its armature current is 45A lagging. Calculate: a) The armature current of the second alternator b) The power factor at which each alternator operates c) The e.m.f of the first alternator.