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The following constants are for a(1/4) - hp 60-Hz 115-V four-pole capacitor-start motor: r1 = 2.15Ω r2 = 4.45Ω x1 = 3.01Ω x2 = 2.35Ω xM = 70.5Ω Core loss = 26.0 W, windage and friction loss = 14.0 W. Calculate for a slip of 0.05 the (a) current, (b) power factor, (c) output, (d) torque, and (e) efficiency.

The following constants are for a(1/4) - hp 60-Hz 115-V four-pole capacitor-start motor: r1 = 2.15Ω r2 = 4.45Ω x1 = 3.01Ω x2 = 2.35Ω xM = 70.5Ω Core loss = 26.0 W, windage and friction loss = 14.0 W. Calculate for a slip of 0.05 the (a) current, (b) power factor, (c) output, (d) torque, and (e) efficiency.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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  1. The following constants are for a(1/4) - hp 60-Hz 115-V

four-pole capacitor-start motor:

r1 = 2.15Ω      r2 = 4.45Ω

x1 = 3.01Ω      x2 = 2.35Ω

xM = 70.5Ω

Core loss = 26.0 W, windage and friction loss = 14.0 W.

Calculate for a slip of 0.05 the

(a) current,

(b) power factor,

(c) output,

(d) torque, and

(e) efficiency.

0.Sjx2 Ry 24 0.SJEM E V 0.5iXM Ez E, E (a) (b) Equivalent circuit of single-phase induction (main winding only). (a) Running, detailed circuit. (b) Simplified circuit.
Transcribed Image Text:0.Sjx2 Ry 24 0.SJEM E V 0.5iXM Ez E, E (a) (b) Equivalent circuit of single-phase induction (main winding only). (a) Running, detailed circuit. (b) Simplified circuit.
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