Quantcast Distribution Substations

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kV) is not recommended due to the increased line energy costs inherent with lower voltage
1.4.2 Distribution Substations. A substation consists of one or more power transformer
banks together with the necessary voltage regulating equipment, buses, and switchgear. Substation Arrangements. A simple substation arrangement consists of one
incoming line and one transformer. More complicated substation arrangements result when there
are two or more incoming lines, two or more power transformers, or a complex bus network.
Some typical distribution substation arrangements are shown in Figure 1-2. Specific sections are
identified as follows:
(a) A primary section provides for the connection of one or more incoming
high-voltage circuits. Each circuit is provided with a switching device or a combination
switching and interrupting device.


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