(b) A single-phase transformer is rated at 200V/1000V. The secondary voltage of the transformer is v(t) = 1400 сos (100nt + 7/3) V when a load of 100 2 is connected. (i) Calculate the primary RMS voltage. (ii) Calculate the load reflected on to the primary side. (iii) Calculate the power delivered to the load.
(b) A single-phase transformer is rated at 200V/1000V. The secondary voltage of the transformer is v(t) = 1400 сos (100nt + 7/3) V when a load of 100 2 is connected. (i) Calculate the primary RMS voltage. (ii) Calculate the load reflected on to the primary side. (iii) Calculate the power delivered to the load.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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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.
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pls answer both parts
Transcribed Image Text:(b) A single-phase transformer is rated at 200V/1000V. The secondary voltage of the
transformer is v(t) = 1400 сos (100лt + 7/3) V when a load of 100 Q is connected.
(i) Calculate the primary RMS voltage.
(ii) Calculate the load reflected on to the primary side.
(iii) Calculate the power delivered to the load.
(c) A DC motor, which is supplied by a 30 V DC power source, is operating at a constant
motor speed of 600 rpm. The motor has an armature resistance of 0.2 and a back-
emf of 28 V. Determine the following:
(i) The current drawn by the motor.
(ii) The torque produced by the motor.
(iii) The power loss in the armature.
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