July 2008
Intermediate to advanced
625 pages
17h 13m
English
Content preview from Electric Power Transmission and Distribution
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13
Substations
CHAPTER OBJECTIVES
After reading this chapter, you should be able to:
- Provide an overview of substations
- Describe the location and constructional features of substations
- Classify bus bar arrangements
- Discuss the various methods of grounding
13.1 INTRODUCTION
The substation may be defined as an assembly of apparatus installed to perform switching, voltage transformation, power factor correction, power and frequency-converting operations.
The purpose of a substation is to take power at high voltages from the transmission or subtransmission level, reduce its voltage and supply it to a number of primary voltage feeders for distribution in the area surrounding it. In addition, it performs operational and emergency switching ...
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