8 Obsolete System Structures
8.1 INTRODUCTION
This chapter looks at the impact that “making do” with limited numbers and sizes of substation sites and sub-transmission rights of way has on the reliability and operation of a power delivery system. As discussed in Chapter 1’s introduction to aging T&D infrastructures, the second of the four interacting aspects of the aging infrastructure issue is the limited facilities which power distribution utilities invariably have in the core of thriving metropolitan areas. Difficulties in getting new sites, in expanding old sites, and in getting rights of way often mean that the utility’s system can not expand in company with the demand of an ever-growing downtown area.
This chapter looks at this problem ...
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