An apparatus for electrically setting the overload compensating magnetic reluctance in a single phase induction watthour meter includes a moveable magnetic shunt positioned adjacent the poles of a current core of a current stator circuit. An electrical parameter of the current stator circuit is sensed...http://www.google.com.au/patents/US5604414?utm_source=gb-gplus-sharePatent US5604414 - Method and apparatus for adjusting overload compensation for a watthour meter
