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Kocache, R.

The work investigates the problems encountered in the calibration of single phase induction type Electricity Meters. It endeavours to produce an instrumentation scheme based on a better knowledge of the behaviour of the meter. This behaviour was studied under the following modes. 1) The load behaviour of the meter. 2) The behaviour of the meter within one revolution of its disc. 3) The phase relationships between the relevant quantities in the meter. 4.) The friction in the register mechanism. Suitable instruments were developed to enable this study. An instrumentation system was designed and a prototype constructed, with the following aims in mind. 1) Conformity with B.S. regulations. 2) Reduction of et and systematic errors. 3) Economic factors. a) Reduction of the time required for calibration per meter. b) Aiming for simple reliable design, using a minimal of components. c) Ability to use the system to calibrate a range of meters having different load capacities. Certain calibration techniques were evolved and their usefulness assessed

A study of the behaviour of the single phase induction type energy meter and the design of an instrumentation system for its calibration

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