1) The protection performance of the power distribution device should adapt to the environmental characteristics [9]. <br>(2) The power supply and lighting power supply in the workshop should be separated [9]. <br>(3) The power distribution device should have a certain reserve capacity and reserve circuit [9]. <br>(4) The protection of power distribution devices should cooperate with each other to ensure reliability and selectivity [9]. <br>(5) The startup and control equipment of the workshop can be centralized or decentralized according to the situation. When the process equipment allows, it is best to use the direct start method
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