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Problem 2 A 208 V, 45 kVA, 0.8 PF leading, A – connected, 60 Hz synchronous machine has a synchronous reactance of 2. 5 n and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading. a. Compute the maximum input power. b. Compute the values of I, I, and E, A' A

Problem 2 A 208 V, 45 kVA, 0.8 PF leading, A – connected, 60 Hz synchronous machine has a synchronous reactance of 2. 5 n and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading. a. Compute the maximum input power. b. Compute the values of I, I, and E, A' A

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Problem 2 A 208 V, 45 kVA, 0.8 PF leading, A - connected, 60 Hz synchronous machine has a synchronous reactance of 2. 5 0 and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading. a. Compute the maximum input power. b. Compute the values of I, I, and E A' A
Transcribed Image Text:Problem 2 A 208 V, 45 kVA, 0.8 PF leading, A - connected, 60 Hz synchronous machine has a synchronous reactance of 2. 5 0 and a negligible armature resistance. Its friction and windage losses are 1.5 kW and its core losses are 1.0 kW. The shaft is supplying a 15 hp load and the motor's power factor is 0.80 leading. a. Compute the maximum input power. b. Compute the values of I, I, and E A' A
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