Abstract
The paper analyses the properties of the induction mechanism of a kilowatt-hour meter as a source of the standard torque compared with the tested torque in a state of stable equilibrium. Theoretical considerations are used to define the limits of applicability of the torque-comparing method and the conditions required for the minimisation of error. The ambient temperature and the nominal frequency of the meter supply voltage are assumed to be maintained. The results of the considerations might be used when investigating the braking torques in the meters themselves; e.g. when measuring friction torque in bearings or in the register mechanism, or when designing special measuring equipment to be used when investigating torques in high-precision mechanisms.
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