Mark the WRONG statement. In induction type kWh meters
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- Please do not copy other answers is Wrong other wise I give Downvote. A 200 V dc series motor runs at 700 rpm when operating at its full load current of 20 A. The motor resistance is 0.52 and the be used if magnetic circuit can be assumed unsaturated. What will be speed if the load torque is increased by 44%.Explain different the neat sketch of speed torque profiles. a. 0< Slip1Refer to the circuit shown in Figure 6016. The motor will not start in either the forward or reverse direction when the start push buttons are pressed. Which of the following could not cause this problem? a. The F coil is open. b. The overload contact is open. c. The control transformer fuse is blown. d. The stop push button is not making a complete circuit.
- A 250V d.c shunt motor is inducing EMF of 200V with the speed of 1000 rpm .Then induced EMF of 100V with increase in speed of 2000 rpm.Then magnetic flux 2 is equal to _______ of magnetic flux 1. a. 0.25 times b. 0.75 times c. 0.85 times d. 0.5 timesDetermine the temperature of the field winding of a series motor when its resistance had increased to 204 Ω after running for 4 hours. The field winding has a resistance of 114 Ω at 18oC and its temperature coefficient of resistance at 0oC is 0.004/Co. Notes: - Express your answer in 2 decimal places. - No need to include the unit in the answer field. - Final answer should be in oC.When a generator is being driven at 1,200 rpm, the generated emf is 125 volts. Determine the generated emf (a) if the field flux is decreased by 10 percent with the speed remaining unchanged
- The fixed part of an electrical motor is called ........................... .Calculate the coil pitches and indicate the slots into which the first coil should be placed for the following armature windings: (a) 36 slots, four poles; (b) 76 slots, six poles; (c)270 slots, 10 poles. (Our lesson is DC GENERATORS in the subject ELECTRICAL MACHINE 1) PLEASE GAVE ME A CLEAN ANSWER AND SOLUTION. THANK YOUThe reluctance of non-magnetic circuit is 12 units. How much flux will be set up if surrounded by a coil 600 turns carrying a current of 3A? a. 150b. 16.67c. 50d. 200
- it is the amount of torque load on the motor that causes it to slip.An induction motor has 4 pole and operated at 50 Hz, 230 Volt. Speed of induction motor is 1600rpm. Find weather motor is in motoring region or generating region.1. It is a machine that converts mechanical energy to electrical energy. 2. It is a machine that converts electrical energy to mechanical energy. 3. It is cylindrical or drum-shaped where the coils are placed and can either be lap wounded or wave wounded. 4. It connects the commutator to the other parts of the DC machine. 5. It serves as the housing of the dc machine. 6. True or False: The shunt field winding is part of the armature. 7. True or False: The long shunt compound generator is when the armature is in series with the series field winding and parallel to the shunt field winding. 8-10. Your newly built house needs an elevator. Which from the following will be best to use- series, shunt or compound motor and why?