Insulation Coordination Study

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£20-250 GBP

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Carry out a simple insulation coordination study using the EMTP program.

1. Determine the worst-case lightning overvoltage level at the substation following a direct lightning strike to the overhead line at 1500m away from the substation. (use a 1.2/50, 32kA lightning strike.

2. Determine the most vulnerable points at the substation.

3. Using the supplied company specifications and manufacturer data ( buyers’ guide on ABB’s website), select an appropriate surge arrester(s) to ensure protection of all equipment at the substation.

4. Determine the switching overvoltage level for a simultaneous switching at the instant of peak voltage on phase A.

Write a short report summarising your results and showing typical waveforms of the computed voltages for each of the cases above, and give recommendations for overvoltage protection.

Kejuruteraan Elektrik Kejuruteraan Pengaturcaraan

ID Projek: #13470130

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