A Comparative Study of American Direct Current Watthour Meters (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from A Comparative Study of American Direct Current Watthour Meters

It should be stated at the outset that this test was not intended to be competitive. No attempt has been made to rank the meters according to the results of the tests.2 Any such grading is very likely to be misleading as the various features studied are of unequal importance. Moreover, the characteristics required for different kinds of service are unlike and would be weighted difier ently by different engineers. It must be noted that while labora tory tests are valuable, they do not form a sufficient basis upon which to pass final judgment on a type of meter. For such a purpose practical experience with meters is necessary, such as is best obtained in central-station practice.

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