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A 30, 4-pole, 50 Hz synchronous machine has the data as given below. Kw (rotor) = 0.976 Air-gap = 1.5 mm (cylindrical rotor) Mean air-gap diameter = 29 cm Axial length = 35 cm Rotor winding turns = 746 Stator winding SPP = 4; conductor/slot = 20 Field current = 20 A (a) The machine is being used in motoring mode with B, = 1.6 T. Determine (i) F₂, peak rotor AT (ii) Maximum torque (iii) Electrical input at maximum torque (b) If the machine is used as generator with same field current, determine its open-circuit (no-load) voltage.

A 30, 4-pole, 50 Hz synchronous machine has the data as given below. Kw (rotor) = 0.976 Air-gap = 1.5 mm (cylindrical rotor) Mean air-gap diameter = 29 cm Axial length = 35 cm Rotor winding turns = 746 Stator winding SPP = 4; conductor/slot = 20 Field current = 20 A (a) The machine is being used in motoring mode with B, = 1.6 T. Determine (i) F₂, peak rotor AT (ii) Maximum torque (iii) Electrical input at maximum torque (b) If the machine is used as generator with same field current, determine its open-circuit (no-load) voltage.

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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A 30, 4-pole, 50 Hz synchronous machine has the data as given below. Kw (rotor) = 0.976 Air-gap = 1.5 mm (cylindrical rotor) Mean air-gap diameter = 29 cm Axial length = 35 cm Rotor winding turns = 746 Stator winding SPP = 4; conductor/slot = 20 Field current = 20 A (a) The machine is being used in motoring mode with B, = 1.6 T. Determine (i) F₂, peak rotor AT (ii) Maximum torque (iii) Electrical input at maximum torque (b) If the machine is used as generator with same field current, determine its open-circuit (no-load) voltage.
Transcribed Image Text:A 30, 4-pole, 50 Hz synchronous machine has the data as given below. Kw (rotor) = 0.976 Air-gap = 1.5 mm (cylindrical rotor) Mean air-gap diameter = 29 cm Axial length = 35 cm Rotor winding turns = 746 Stator winding SPP = 4; conductor/slot = 20 Field current = 20 A (a) The machine is being used in motoring mode with B, = 1.6 T. Determine (i) F₂, peak rotor AT (ii) Maximum torque (iii) Electrical input at maximum torque (b) If the machine is used as generator with same field current, determine its open-circuit (no-load) voltage.
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