Haulage motor auxiliary current transformation controller and haulage motor auxiliary current transformer system

An auxiliary converter and auxiliary current conversion technology, which is applied in the direction of converting AC power input into AC power output, intermediate conversion into DC conversion, and output power conversion device, etc., which can solve the operational reliability of locomotive auxiliary systems Low cost, single function, inconvenient maintenance, etc., to achieve the effect of easy analysis and viewing, complete functions, and easy maintenance

Active Publication Date: 2014-11-19
CRRC DALIAN INST CO LTD
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Problems solved by technology

[0002] The electric locomotive auxiliary system is an important part of the electric locomotive, mainly including auxiliary converters, auxiliary motors and corresponding auxiliary converter controllers, etc. The main function is to ensure the power of the main circuit of the electric locomotive and ensure the normal operation of the locomotive; The auxiliary converter is used to rectify and invert the single-phase network voltage and supply power to the loads in the auxiliary system of the locomotive. The loads mainly include auxiliary equipment such as ventilation units, air compressor units, air conditioners, heaters, battery chargers, oil pumps and water pumps. ; The auxiliary converter controller in the prior art has the following problems: single function, low operational reliability of the locomotive auxiliary system, and inconvenient maintenance

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  • Haulage motor auxiliary current transformation controller and haulage motor auxiliary current transformer system

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Embodiment Construction

[0020] Such as figure 1 A locomotive auxiliary converter controller is shown, the auxiliary converter controller is used to control the locomotive auxiliary converter; the locomotive auxiliary converter includes sequentially connected input contactor, single-phase four-quadrant rectifier, three-phase Inverter and output contactor; the input terminal of the input contactor is connected to the grid; the output terminal of the output contactor is connected to the auxiliary load; the auxiliary converter controller of the locomotive includes: connecting the input contactor, single-phase four-quadrant rectifier , the acquisition board of the three-phase inverter and the output contactor; A digital quantity acquisition module for the working state of the power module of the converter; used to collect the input terminal parameters and output terminal parameters of the single-phase four-quadrant rectifier, and to collect the input terminal parameters and output terminal parameters of t...

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Abstract

The invention discloses a haulage motor auxiliary current transformation controller and a haulage motor auxiliary current transformer system. The haulage motor auxiliary current transformation controller comprises a collecting plate, an interface board, a control board, a network communication board and a power board, wherein the collecting plate is used for connecting an input contactor, a one-phase four-quadrant rectifier, a three-phase inverter and an output contactor; the interface board is used for connecting the input contactor, the one-phase four-quadrant rectifier, the three-phase inverter, the output contactor, the collecting board and the control board; the control board is connected with the interface board and connected with an upper computer through the network communication board; the network communication board is connected with the upper computer and the control board, used for receiving a haulage motor auxiliary current transformer control command sent by the upper computer and transmitting the haulage motor auxiliary current transformer control command to the control board, and used for transmitting haulage motor auxiliary current transformer state information transmitted by the control board to the upper computer; the power board is used for providing working power for the auxiliary current transformation controller. By means of the haulage motor auxiliary current transformation controller and the haulage motor auxiliary current transformer system, a haulage motor auxiliary current transformer can be monitored, and stability and reliable operation of the haulage motor auxiliary system can be guaranteed.

Description

technical field [0001] The invention relates to a converter controller, in particular to an auxiliary converter controller for a locomotive and an auxiliary converter system for a locomotive. Background technique [0002] The electric locomotive auxiliary system is an important part of the electric locomotive, mainly including auxiliary converters, auxiliary motors and corresponding auxiliary converter controllers, etc. The main function is to ensure the power of the main circuit of the electric locomotive and ensure the normal operation of the locomotive; The auxiliary converter is used to rectify and invert the single-phase network voltage and supply power to the loads in the auxiliary system of the locomotive. The loads mainly include auxiliary equipment such as ventilation units, air compressor units, air conditioners, heaters, battery chargers, oil pumps, and water pumps. ; The auxiliary converter controller in the prior art has the following problems: single function, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/42H02M5/458
Inventor 闫春辉王瑞李东刘盛强
Owner CRRC DALIAN INST CO LTD
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