Читать книгу Introduction to Energy, Renewable Energy and Electrical Engineering - Ewald F. Fuchs - Страница 35

ssource, stator, synchronous, slip, unit of second, abbreviation symbol for first derivative , secondary, abbreviation for jω =s, seconds 2abbreviation symbol for second derivativeSsouth (pole), surface, source terminalS = apparent power, magnitude of complex powercomplex powers1, s2two roots of characteristic equationscshort circuitcomplex output powerSratrated apparent powerSactualactual apparent powerSEERseasonal energy efficiency ratioSCRsilicon‐controlled rectifierSISystème International d’Unités (French for International System of Units)SisiliconSiCsilicon carbidesinglesingle‐phase valueSMsynchronous machineSOFCsolid oxide fuel cellSSsteady statestartstartingSMsynchronous motor/machineSTCStandard Test ConditionSTEMscience, technology, engineering, and mathematicssubsubstationSUMsummationsyssystemSWMStadtwerke Münchenswitchmechanical or electronic switch