Tag: #magneticfield
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EK Electrical Dec 2023 (Q10)
With reference to braking of a.c. induction motors: (a) Explain why braking may be required (2) (b) Explain why electrical braking is preferable to mechanical braking (2) (c) Explain the term plugging (2) (d) Describe how dynamic braking is achieved (4) Dec 2023 (Q10)
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EK Electrical Oct 2022 (Q10)
With reference to overload protection for electric motors, describe the principle of operation of EACH of the following types of overload relay: (a) Thermal (3) (b) Magnetic (3) (c) Electronic (4) Oct 2022 (Q10)
UKM Tuticorin 