The input current of a 16 hp, 400V, 25 Hz, 2-pole single-phase series motor at full-load is 60A. Motor equivalent resistance and reactionance are 0.3 Q and 0.525 Q, respectively. Knowing that at this full load current the equivalent current to iron losses is 20 A. Use phasor diagram to calculate: a. Find motor speed, torque and power factor. b. If the motor is connected to 267 V, 16.667 Hz source, find motor speed, torque, the output horsepower and power factor at the rated current

Q: A 480 V, 988 r.p.m. d.c. shunt motor its full-load efficiency of 88 percent. The armature circuit…

A:

Q: Problem 2 A 3-phase 2-pole induction motor is rated 190 V, 60 Hz, it is connected in Y, and has R2 =…

A: It is given that:P=2V=190VR2=6.6Ω,R1=3.1ΩXm=190Ω,X2=10Ω,X1=3Ω

Q: A series DC motor has a series-field winding of 25 turns per pole. Its armature resistance is 0.15…

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Q: 5. (b) A 6-pole, 50 Hz, 3-phase induction motor running on full load develops a useful torque of 200…

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Q: Determine the efficiency and the output horse-power of a 3-phase, 400-V induction motor running…

A: Motor running light at 400VInput current=15APower taken=2000WFriction,Windage,Rotor Core…

Q: 2. A 250 kVA, 480 V, 50 Hz, delta-connected alternator with a rated field current of 5 A was tested…

A: Given, the alternator is a delta connected Ratings 250 kVA, 480 v, 50Hz

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.