Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent
1997-07-09
1999-06-29
Ro, Bentsu
Electricity: motive power systems
Braking
Automatic and/or with time-delay means
318376, 318459, F16C 3204, H02J 900, H02H 324
Patent
active
059172975
ABSTRACT:
The arrangement or apparatus for operating a magnetically suspended, electromotoric drive apparatus in the event of a mains disturbance comprises a drive converter feeding the drive apparatus, a driver feeding a magnetic bearing and a voltage converter, which are connected to a common intermediate circuit. The voltage converter feeds a stopping control apparatus and the drive converter can be switched to a regeneratively acting mode of operation by the stopping control apparatus in the event of a mains disturbance in order to provide at least the driver feeding the magnetic bearing and the stopping control apparatus with electrical energy via the intermediate circuit.
REFERENCES:
patent: 4121143 (1978-10-01), Habermann et al.
patent: 4626754 (1986-12-01), Habermann et al.
Patent Abstracts of Japan, vol. 95, No. 011 & JP-A-07 293563 (Ebara Corp.) Nov. 7, 1995, Abstract.
Patent Abstracts of Japan, vol. 95, No. 005 & JP-A-07 127594 (Shimadzu Corp.), May 16, 1995, Abstract.
Patent Abstracts of Japan, vol. 013, No. 295 (E-783), Jul. 7, 1989 & JP-A-01 074081 (Hitachi Ltd.), Mar. 20, 1989, Abstract.
Gempp Thomas
Gerster Christian
Schob Reto
Lust Antriebstechnik GmbH
Ro Bentsu
Sulzer Electronics AG
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