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Chapter 6 - Site surveys and power analysis
1.1 Introduction Electronic systems and equipment may be more sensitive to disturbances in the ac power system than are conventional loads. The effects of power disturbances on electronic load equipment can take a wide variety of forms, including misoperation, data transfer errors, system halts, memory or program loss, and equipment damage. In many cases it is difficult to determine whether the system hardware and software malfunctions are actually caused by disturbances in the power system supplying the equipment, since frequently these symptoms are identical to those resulting from other causes. For this reason, it is necessary to perform some level of survey and analysis of the ac power system to determine the cause. The site survey is the primary tool utilized in locating the source of the disturbance.
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