How to address voltage drop in very long workshops?
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I heard that voltage drop needs to be considered when the length exceeds 300m? If it’s really long, how should voltage attenuation be addressed?
Add a transformer in the middle section.
1. Increase the cross-sectional area of the cable. 2. If conditions permit, install capacitive compensation at the end of the power supply line. 3. If it is a step-changing transformer, adjust its voltage during operation; for workshop substations, adjust the tap position on the high-voltage side of the transformer.