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High-power rectification water-cooling bus temperature protection device and working method thereof

A protection device, high-power technology, applied in temperature control, non-electric variable control, instruments, etc., can solve the problems of busbar working environment deterioration, ferromagnetic material heating, over-temperature malfunction, etc., to reduce over-temperature malfunction. effect of risk

Inactive Publication Date: 2021-12-07
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Abstract
  • Description
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Problems solved by technology

However, during the experiment, the temperature will be affected by many factors, such as the mixing of pure water impurities, the heating of ferromagnetic materials around the busbar, and the virtual welding of the busbar, etc., which may lead to the deterioration of the working environment of the busbar, and the temperature of the busbar will reach the high temperature limit, resulting in over-temperature errors. risk of action

Method used

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  • High-power rectification water-cooling bus temperature protection device and working method thereof
  • High-power rectification water-cooling bus temperature protection device and working method thereof

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited by the accompanying drawings.

[0015] as the picture shows:

[0016] The high-power rectifying water-cooled bus temperature protection device of the present invention includes a temperature sensor 1, a photoelectric isolator 2, a temperature limit switch 3, a PLC unit 4, a DC power supply 5, a thermoelectric cooler 6, and an aluminum circular corrugated cover 9; the water cooling A temperature sensor 1 and a temperature limit switch 3 are installed inside the bus 8, two sets of thermoelectric coolers 6 are connected by insulating bolts on both sides of the water-cooled bus 8, and the bus outside the working area is covered by an aluminum circular corrugated cover 9.

[0017] The temperature protection device is suitable for experimental conditions or engineering conditions.

[0018] When the high-power ...

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Abstract

The invention relates to the technical field of power equipment, in particular to a high-power rectification water-cooling bus temperature protection device and a working method thereof. According to a temperature sensor, a temperature limit switch and a thermoelectric refrigerating unit which are installed, a water-cooled bus is rapidly cooled through PLC multi-frequency control, the water-cooled bus is connected with an experimental rectification control system, the reason of temperature rise change is comprehensively judged within a certain time, and the risk of overtemperature misoperation is reduced.

Description

technical field [0001] The invention relates to the technical field of electric power equipment, in particular to a high-power rectifying water-cooled bus temperature protection device and a working method thereof. Background technique [0002] At present, the side of the rectifier water-cooled busbar in the experimental platform is protected by over-temperature tripping. When the temperature of the busbar reaches the temperature limit, the temperature switch activates the alarm function and cuts off the main circuit in a short time to protect the rectifier system of the experimental platform. effect. However, during the experiment, the temperature will be affected by many factors, such as the mixing of pure water impurities, the heating of ferromagnetic materials around the busbar, and the virtual welding of the busbar, etc., which may lead to the deterioration of the working environment of the busbar, and the temperature of the busbar will reach the high temperature limit,...

Claims

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Application Information

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IPC IPC(8): G05D23/20
CPCG05D23/20
Inventor 张丹峰
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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