EP 0607645 B1 19970416 - Regenerative elevator induction motor control
Title (en)
Regenerative elevator induction motor control
Title (de)
Rückführungssteuerung für einen Aufzugsinduktionsmotor
Title (fr)
Commande de l'énergie de régénération d'un moteur à induction d'un ascenseur
Publication
Application
Priority
- EP 93300435 A 19930121
- JP 17358091 A 19910715
Abstract (en)
[origin: EP0607645A1] In a regenerated power consumption circuit wherein power that is regenerated by an elevator induction motor inverter (2) is consumed by a series circuit of a resistor (5) and a switch (6) installed in the inverter DC circuit, a software configuration filter (16A) is installed, whereby the detection signal for when the DC voltage of the DC circuit exceeds the ON-OFF level of the switch is subjected to a filter treatment, and ON-OFF control of the switch is carried out with the maximum switching frequency determined by the time constant of the filter, with respect to variation of the DC voltage. The invention enables the use of a switch with a low switching speed, and in addition, simplifies the circuit configuration for regenerated power consumption. <IMAGE>
IPC 1-7
IPC 8 full level
B66B 1/30 (2006.01); B66B 1/32 (2006.01); H02P 3/18 (2006.01)
CPC (source: EP)
B66B 1/30 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0607645 A1 19940727; EP 0607645 B1 19970416; JP 2888670 B2 19990510; JP H0517078 A 19930126
DOCDB simple family (application)
EP 93300435 A 19930121; JP 17358091 A 19910715