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Descarga el catálogo 2007 (pdf) - Cydesa

Descarga el catálogo 2007 (pdf) - Cydesa

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CYDESA <strong>2007</strong>EjemploMotor de 350 kW, para accionamiento de una bombacon cos φ 1 a plena carga de 0,88 y rendimiento d<strong>el</strong>97%, se desea compensar a cos φ 2=0,97.Se calcula la potencia d<strong>el</strong> condensador de la formahabitual por la fórmula tradicional (ver tabla 1.3-I)Q P b fEn este caso y según la mencionada tabla, f=0,289luego,Q 3500,97b 0,289 104kvarEn motores con arranque estr<strong>el</strong>la-triángulocompensar conectando <strong>el</strong> condensador al lado d<strong>el</strong>contactor de línea o con un contactorindependiente.ExampleMotor of 350 kW that drives a pump with cosφ 1 at fullload of 0,88 and efficiency of 97%, we wish tocompensate up to cosφ 2=0,97.The capacitor power is calculated as usual by thetraditional formula (see table 1.3-I).Q P b fIn that case and according to the table mentionedabove, f=0,289 then,Q 3500,97b 0,289 104kvarThe motors with a star-d<strong>el</strong>ta starting must becompensated connecting the capacitor to the linecontactorside or with an independent contactor.Fig 1.2-2 Compensación en caso de arranque estr<strong>el</strong>latriánguloEn motores con arrancadores estáticos, conectar <strong>el</strong>condensador antes d<strong>el</strong> arrancador, solución (a) o(b) de la figura 1.2-3Fig. 1.2-2 Compensation with a star-d<strong>el</strong>ta starting.For motors with static starters is recommended toconnect the capacitor before the starter, solution(a) or (b) of the figure 1.2-3Fig. 1.2-3. Compensación de arrencadores estáticosFig 1.2-3 Compensation of static startersPara compensación de otros receptores consultar <strong>el</strong>MANUAL CYDESA7

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