Circle diagram constant air-gap induction motor images shown here, where, The circle diagram is drawn using the data obtained from no load and either short circuit or, in case of machines, blocked rotor tests by fitting a half-circle in points O and A. Beyond the error inherent in the constant air-gap assumption, the circle diagram introduces errors due to rotor reactance and rotor resistance variations caused by magnetic saturation and rotor frequency over the range from no-load to operating speed. Steinmetz equivalent circuit Circle diagram First conceived by A. Heyland in 1894 and B.A. Behrend in 1895, the circle diagram is the
A Vicious Circle A Vicious Circle A Vicious Circle (1996) is a novel by Amanda Craig which dissects and satirizes contemporary British society. In particular, it describes the world of publishing—its aspiring young authors, busy agents and opportunist literary critics. However, "A Vicious Circle" is also about falling in and out of love, marriage, bringing up children, class consciousness, poverty, and the sad state of hospitals and the medical profession in Britain. The novel chronicles the life of Amelia, the only daughter of newspaper tycoon Max de Monde who, after having spoiled Amelia beyond hope while she was still young, abandons her when