Tuesday, December 10, 2013

Effects

ET3280 Unit 6 Homework Part 4 Terrill Mcclain inquiry the next moves and list typical applications for each onein a countersign doc. besides list their typical HP rating, voltage, and full weight genuine when possible. Split Phase Motor - The split- pattern induction labour commonly used in major appliances suchas air conditioners and clothesdryers.Their chief(prenominal) payoff is execrable cost. Their disadvantages atomic number 18 scummy broaching line torque and towering starting current. These disadvantages slackly arrange split strain labors to applications where the load needs only low starting torque and starts are infrequent(Application). Compared to the shaded pole motor, these motors can generally provide much great starting torque. A split-phase motor has a inauguration air current separate from the chief(prenominal) winding. When the motor is starting,the startup winding is committed to the causation sourc e via a centrifugal switch which is unkindly at low speed. The starting winding is wound with fewer turns of smaller wire than the main winding, so it has a target down inductance (L) and higher(prenominal) resistance (R). The lower L/R ratio creates a small phase shift, not much than about 30 degrees, between the mingle out-of-pocket to the main winding and the flux of the starting winding.
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The starting direction of revolution is determined by the order of the connections of the startup winding relational to the running winding. The phase of the magnetized field in this startup winding is shifted from the phase of th! e supply power, which creates a moving magnetic field to start the motor. Once the motor reaches near number operating speed, the centrifugal switch opens, disconnecting the startup winding from the power source. The motor thus operates solely on the main winding. The plan of disconnecting the startup winding is to eliminate the energy loss due to its high resistance. usual HP Rating - 1/25 - 1/2 HP Voltage - 120-V / 60-Hz Full Load on-line(prenominal) -...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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