Questions regarding the calculation of line voltage drop

2011-01-05View Original

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Our company currently has a 380V power supply line, which consists of four components: 450 meters of VLV223×185 + 1×50mm2 cable, 130 meters of VV223×70 + 1×35mm2 cable, 200 meters of VV224×95 mm2 cable, and 450 meters of LGJ70/20mm2 overhead wire. How should I calculate the voltage drop along this line? Experts, please help!

Reply #22011-01-06

Calculate the circuit impedance, determine the voltage loss based on the current, and increase the cable cross-section as necessary

Reply #32011-01-06

Reply to 2# jjli618: Thank you for the advice from the moderator. Could you explain the calculation methods and formulas in more detail?

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Questions regarding the calculation of line voltage drop

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