For a squirrel-cage rotor induction motor with V1Ln= 692 [V], 11[kW], 50[Hz], power factor= 0.872, 3-phase, 2-pole, star-connected on the nameplate: in the idle run test: power draw is 200 [W], idle (current) angle theta0=80 [degrees back], phase-to-phase voltage V1Ln [v] In the short circuit (locked rotor) test: absorbed power 850[W], short circuit (current) angle theta sc=70 [degrees back], phase-to-phase value of short-circuit voltage 0.1*V1Ln[V] measured. Find the following approximate equivalent circuit parameters reduced to the stator. A) Rc [ohm] B) Xm [ohm] C) Req [ohm] D) Xeq [ohm]
For a squirrel-cage rotor induction motor with V1Ln= 692 [V], 11[kW], 50[Hz], power factor= 0.872, 3-phase, 2-pole, star-connected on the nameplate: in the idle run test: power draw is 200 [W], idle (current) angle theta0=80 [degrees back], phase-to-phase voltage V1Ln [v] In the short circuit (locked rotor) test: absorbed power 850[W], short circuit (current) angle theta sc=70 [degrees back], phase-to-phase value of short-circuit voltage 0.1*V1Ln[V] measured. Find the following approximate equivalent circuit parameters reduced to the stator. A) Rc [ohm] B) Xm [ohm] C) Req [ohm] D) Xeq [ohm]
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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For a squirrel-cage rotor induction motor with V1Ln= 692 [V], 11[kW], 50[Hz], power factor= 0.872, 3-phase, 2-pole, star-connected on the nameplate:
in the idle run test:
power draw is 200 [W],
idle (current) angle theta0=80 [degrees back],
phase-to-phase voltage V1Ln [v]
In the short circuit (locked rotor) test:
absorbed power 850[W],
short circuit (current) angle theta sc=70 [degrees back],
phase-to-phase value of short-circuit voltage 0.1*V1Ln[V]
measured. Find the following approximate equivalent circuit parameters reduced to the stator.
A) Rc [ohm] B) Xm [ohm] C) Req [ohm] D) Xeq [ohm]
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