In recent years, South Africa has been faced with a power shortage challenge. This challenge has led to the phenomenon of load-shedding. Load-shedding has affected the potential economic growth, livelihood and in some instances critical loads which has resulted in fatalities. You have been appointed as a senior advisor in the department of energy. You are required to advise the minister on possible solutions to remedy the energy crisis in South Africa. Your answer must include: • Different energy sources that can be used, their impact and contribution • How to optimally integrate these energy resources into the existing grid • The difference between stand-alone and grid integration.
Synchronous Generator
In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.
Salient Pole Rotor
Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.
In recent years, South Africa has been faced with a power shortage challenge. This
challenge has led to the phenomenon of load-shedding. Load-shedding has affected the
potential economic growth, livelihood and in some instances critical loads which has
resulted in fatalities. You have been appointed as a senior advisor in the department of
energy. You are required to advise the minister on possible solutions to remedy the energy
crisis in South Africa. Your answer must include:
• Different energy sources that can be used, their impact and contribution
• How to optimally integrate these energy resources into the existing grid
• The difference between stand-alone and grid integration.
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