Proceedings of the International Seminar organized by the Commission of the European Communities, held in Brussels, 21-25 October 1979Bivalent systems are attractive as both the heat pump and the boiler can be operated at good load factors under the ... Three phase motors reduce this problem and are more efficient and a three phase supply is readily available in urban areas with little ... Control circuitry for a#39;softa#39; starts, to prevent frequent cycling , to provide safety cut off and to operate defrost mechanisms is ... Test Report on Domestic air to air heat pumps, Electricity Supply Board of Ireland, Dublin 2, November 1977.
|Title||:||New Ways to Save Energy|
|Author||:||A.S. Strub, H. Ehringer|
|Publisher||:||Springer Science & Business Media - 2012-12-06|