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CHAPTER 24 CHARACTERISTICS OF DISTRIBUTION LOADS

A T&D system exists to deliver power to electric consumers in response to their demand for electric energy. This demand for electricity, in the form of appliances, lighting devices, and equipment that use electric power, creates electric load, the electrical burden that the T&D system must satisfy. In a de-regulated power industry, quality of service basically quality in meeting the customers’ needs is paramount. Quality begins with a detailed understanding of the customer’s demand requirements, and includes the design of a system to meet those needs. This chapter discusses electric load and presents several important elements of its behavior that bear on T&D system engineering aimed at satisfying those requirements as economically as possible.