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182 Chapter 10. Power system
Generating station 11 kV
11/110 kV
Transformer
Primary transmission
110 kV substation
110/66 kV
Transformer
Secondary transmission
66 kV substation
66/11 kV
Transformer
Primary distribution
11 kV/415 V
Transformer
Secondary distribution
Consumers
Figure 10.1: Typical power transmission system
Secondary distribution system
The three phase four wire network, that supply power to low tension
consumer points from secondary distribution network. The specified
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