6.5.3. 24 Pulses Configuration Example
General characteristics:
Suggested Vector Diagram: D(-7.5)d0/D(-7.5)y11
D(+7.5)d0/D(+7.5)y11
Nominal secondary windings voltage (V): 3xVn
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Recommended Tap voltage on primary side (%): ±10%
Total Nominal current (A): In (A)
Total Overload (A): 120% ND (60 seconds)
150% HD (60 seconds)
Short circuit Impedance (%): < 7%
Secondary winding power factor: 0.90
Recommended Rated Power (kVA): +20% Motor Power
SD700 24 pulses connection scheme:
Figure 6.14 SD700 24 pulses
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For improved performance, it is recommended to increase a 3% the nominal secondary voltage.