Title:
METHOD AND CONTROL DEVICE FOR PROTECTION TIME SETTING IN AN ELECTRIC DRIVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/146412
Kind Code:
A3
Abstract:
The invention relates to a control device (12) for actuating a pulse-controlled converter of an electric drive system, having: an open-loop/closed-loop control circuit (12a) which is configured to generate pulse-width-modulated actuation signals for switching devices of the pulse-controlled converter; a fault logic circuit (12b) which can detect fault states in the drive system and which is configured to select a switching state or a sequence of switching states for the switching devices of the pulse-controlled converter which are assigned to the corresponding fault state; and a protection circuit (12c) which is embodied in hardware and which comprises a signal delay device (15), which is configured to delay the actuation signals in order to implement a minimum protection time, and a locking device (16a, 16b) which is configured to lock two complementary switching devices of a bridge branch of the pulse-controlled converter with respect to one another.
Inventors:
TRUNK MARTIN (DE)
ROESSLER JULIA (DE)
SCHOENKNECHT ANDREAS (DE)
BRUCKHAUS TIM (DE)
ROESSLER JULIA (DE)
SCHOENKNECHT ANDREAS (DE)
BRUCKHAUS TIM (DE)
Application Number:
PCT/EP2012/053321
Publication Date:
June 06, 2013
Filing Date:
February 28, 2012
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
TRUNK MARTIN (DE)
ROESSLER JULIA (DE)
SCHOENKNECHT ANDREAS (DE)
BRUCKHAUS TIM (DE)
TRUNK MARTIN (DE)
ROESSLER JULIA (DE)
SCHOENKNECHT ANDREAS (DE)
BRUCKHAUS TIM (DE)
International Classes:
H02P29/02; H02H7/08; H02H11/00; H02M1/38
Domestic Patent References:
| WO2004070923A2 | 2004-08-19 |
Foreign References:
| EP1619782A2 | 2006-01-25 | |||
| JP2006295326A | 2006-10-26 | |||
| DE102010024234A1 | 2011-01-05 | |||
| DE2645476A1 | 1978-04-13 | |||
| DE2557710A1 | 1977-06-30 |
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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