Control device for converter

Abstract

The invention discloses a control device for a converter. The control device comprises a mainboard, a core module and a plurality of expansion modules; the core module is integrated with control logic, the mainboard is integrated with a core module interface corresponding to the core module, the core module comprises a mainboard signal interface, and the core module is connected with the core module interface on the mainboard through the mainboard signal interface; the mainboard comprises a plurality of signal processing units, a plurality of external interfaces and a plurality of expansion module interfaces corresponding to the expansion modules respectively, and each expansion module interacts with the core module through the corresponding expansion module interface, the core module interface and the mainboard signal interface in sequence. And each external interface is connected with the core module through a corresponding signal processing unit, a core module interface and a mainboard signal interface. According to the invention, the contradiction among product generalization, reliability, safety and volume cost can be effectively solved.

Description

technical field [0001] The invention relates to the technical field of urban rail transit, in particular to a control device for a converter. Background technique [0002] With the vigorous development of urban rail transit, many foreign technologies have been introduced in China, and the technology of rail transit converters has been vigorously studied. The representative examples are CRRC Zhuzhou Research Institute and Dalian Electric Traction R&D Center, etc., but the core control unit Technology is still relatively backward. Converters for rail transit include traction converters, auxiliary inverters and chargers, etc. For rail, subway, intercity trains and different marshalling, the above converters have different characteristics. As the core component of the converter, the control unit can realize various functions such as signal acquisition, control, diagnosis and protection, communication and display. These functions are closely related to the scheme structure of th...

AI Technical Summary

Problems solved by technology

This kind of controller is highly dependent on the converter, and the types, specifications and solutions of rail-to-rail converters are various, which leads to the need to develop different control units for different converters, and the control unit forms and versions are various. , the development investment is large, and the maintenance workload is also large

[0004] In addition, the traditional control unit does not have safety functions, and gradually cannot meet the increasing safety requirements of modern rail transit unmanned driving.

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