Variable speed drive for a chiller system with a switched...

Details Variable speed drive for a chiller system with a switched... Variable speed drive for a chiller system with a switched...

H - Electricity

02

P

H02P 25/08 (2006.01) H02M 1/00 (2007.10) H02M 5/458 (2006.01)

Patent

CA 2607450

A variable speed drive with a boost converter is provided for a chiller system driven by a switched reluctance motor. The boost converter can be a diode or thyristor rectifier followed by a boost DC/DC converter or a three-phase pulse width modulated boost converter. The boost converter provides a boosted voltage to the DC link, which results in a boosted voltage being applied to the switched reluctance motor by the inverter of the variable speed drive.

Un entraînement à vitesse variable muni d'un convertisseur auxiliaire est destiné à un système de refroidisseur entraîné par un moteur SRM. Le convertisseur auxiliaire peut être un redresseur à diode ou un thyristor suivi d'un convertisseur auxiliaire CC/CC ou d'un convertisseur auxiliaire modulé à largeur d'impulsion triphasée. Le convertisseur auxiliaire fournit une tension auxiliaire au lien CC, grâce à quoi la tension auxiliaire est appliquée au moteur SRM par l'inverseur de l'entraînement à vitesse variable.

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