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ian jonas yam
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Operating Alternators or AC Generators in Parallel
Pointers for Operating Alternators in Parallel : 1) If the load of a single generator becomes too large that its rating is exceeded, it is necessary to add another generator in parallel to increase the power available from the power station. Before attempti...
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Three Phase Synchronous Motor
Figure 1: Cutaway view of  an eight pole, 2000 horsepower synchronous motor. Introduction : The synchronous motor is one type of three phase AC motor which operates at a constant speed from no-load to full-load.  It is similar in construction to a three pha...
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Polyphase Induction Motors
Figure 1: A typical three phase motor.                                                       Figure 2: Stator of a three phase motor. Figure 3: Rotor of a three phase motor. Figure 4: Stator of a three phase motor with all the coils in their slots. Figure 5...
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Shaded Pole Induction Moror
Shaded-Pole Induction Motor Figure 1: Cutaway view of a totally enclosed fan-cooled shaded-pole induction motor A shaded-pole motor maybe defined as a single-phase induction motor provided with an auxiliary short-circuited winding or windings displaced in m...
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Electrical Control Circuit Schematic Diagram of Two-Value Capacitor Motor
TWO-VALUE CAPACITOR MOTOR Figure 1: An autotransformer consisting of a coil of wire wound on a laminated core. The coil is tapped at several points to obtain different voltages Figure 2: A voltage approximately twice the line voltage will be produced across...
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Electrical Control Circuit Schematic Diagram of Permanent Split Capacitor Motor
PERMANENT SPLIT CAPACITOR MOTOR Figure 1: A permanent-split capacitor-run motor with the capacitor mounted on the motor Figure 2: An externally reversible permanent-split capacitor motor. To reverse, interchange leads T5 and T8 Figure 3: A two-voltage perma...
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