Customer data

• Necessary overload in motoring operation: 250%
• Longest cable length: 130 m (20 m + 4 × 15 m + 50 m), 50 m of which consists of conductor rails
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Transformer data:

• Rated power: 630 kVA
• Nominal voltage, primary side: 20 kV
• Nominal voltage, secondary side: 400 V
• Rated frequency: 50 Hz
• Relative short-circuit voltage v_k = 4%
• Resistance R_transformer = 3 mΩ