Speed control of DC Shunt Motor by Armature Voltage and Flux Control Method

Pages: 3 (587 words) Published: April 30, 2013

EXPERIMENT NO-3 4

Aim of the Experiment: Speed control of DC Shunt Motor by Armature Voltage & flux control method. Apparatus Required:
|Sl.No |Name of the Equipment |Type |Range/Capacity |Quantity | |1 |Voltmeter |MC |0-300V |2 Nos | |2 |Ammeter |MC |0-2A |1 No | |3 |Ammeter |MC |0-10A |1 No | |4 |Rheostat |Wire wound |200Ω,2A |1 No | |5 |Rheostat |Wire wound |200Ω,2A |1 NO | |6 |Tachometer |Digital | |1 No | |7 |Connecting leads |Multi-stand PVC copper |1.5mm2 |As per required | | | |wire | | |

Machine Specifications
Type-DC Shunt,
Rating-0.5HP
RPM-1400(No Load)

Circuit diagram:

Theory:
To study the speed control of a DC shunt Motor by two methods a. Armature voltage control method: - Variation of speed with armature voltage at the field current remains constant (below the rated speed). b. Field excitation method: - Variation of speed with field current at the armature voltage remains constant...
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