Tag: #circuitbreaker
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EK Electrical Jul 2024 (Q9)
With reference to paralleling AC generators (a) Outline the requirement for synchronization (3) (b) Explain how KW power is shared (2) (c) Explain how KVar power is shared (1) (d) State SIX types of damage that may be caused when machines are incorrectly synchronised. (4) Generator & circuit protection Jul 2024 (Q9)
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EK Electrical Mar 2022 (Q9)
(a) Sketch a circuit showing how the emergency generator is started, connected to the emergency busbar and how the main busbars are disconnected in the even of a blackout (6) (b) Explain how an emergency generator can be tested to ensure that it is capable of satisfactorily delivering the rated power (4) Mar 2022 (Q9)
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EK Electrical Jul 2020 (Q11)
With reference to electrical system protective devices, explain the purpose of EACH of the following: (a) Overcurrent protection; (2) (b) Short circuit protection; (2) (c) No-volt protection; (2) (d) Reverse power protection; (2) (e) Preferential tripping. (2) Jul 2020 (Q11)
UKM Tuticorin 