Tag: #excitationcurrent
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EK Electrical Dec 2022 (Q9)
(a) Explain the term power factor. (2) (b) Explain why it is detrimental to have a low power factor. (2) (c) Explain, with the aid of phasor diagrams, how a synchronous motor may be used to assist in power factor correction (6) Dec 2022 (Q9)
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EK Electrical Dec 2021 (Q9)
Describe with the aid of a circuit diagram, the operation of an automatic voltage regulator, which employs the use of thyristor (10) Dec 2021 (Q9)
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EK Electrical Mar 2019 (Q9)
(a) Describe, with the aid of a sketch, a static excitation system for a generator (8) (b) Explain TWO advantages of static excitation system (2) AC Generator Mar 2019 (Q9)
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EK Electrical Mar 2017 (Q9)
(a) Sketch a circuit diagram of a self excited AC generator (5) (b) Describe the operation of the circuit sketched in part (a) (5) AC Generator Mar 2017 (Q9)
UKM Tuticorin 