Power source device for a.c. elevator

Details Power source device for a.c. elevator Power source device for a.c. elevator

H - Electricity

02

J

H02J 7/34 (2006.01) B66B 1/06 (2006.01) B66B 1/30 (2006.01) B66B 1/34 (2006.01) H02J 7/00 (2006.01) H02J 9/06 (2006.01) H02P 3/18 (2006.01) H02P 27/06 (2006.01)

Patent

CA 2391616

An a.c. elevator of the invention has a commercial power source (1), an inverter (3) operable with the power from the commercial power source (1) for generating a.c. power, and an electric motor to be driven with the a.c. power generated by the inverter (3). A power source device comprises a rechargeable battery (E), a power source circuit (10) for charging and discharging the battery (E), and a control circuit (9) for controlling the voltage to be input to the inverter (3) by controlling the operation of the power source circuit (10). The battery (E) is charged with regenerative power from the motor, the power generated by the battery (E) is supplied to the inverter (3).

Un ascenseur à CA comprend une ligne d'alimentation (1), un onduleur (3) commandé par la ligne d'alimentation (1) pour produire une énergie CA, et un moteur électrique entraîné par l'onduleur (3). Une alimentation comprend une batterie rechargeable (E), un circuit d'alimentation (10) destiné à charger et à décharger la batterie, ainsi qu'un circuit de commande (9) destiné à commander le fonctionnement du circuit d'alimentation (10) afin de commander la tension d'entrée dans l'onduleur (3). L'énergie régénérée par le moteur électrique charge la batterie (E), laquelle à son tour commande l'onduleur (3).

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