High-voltage megawatt-grade high-power resistance

A high-power resistance, megawatt-level technology, applied in the direction of resistors, non-adjustable metal resistors, non-adjustable liquid resistors, etc., can solve the problems of high cost and large resistance volume of alloy materials, and achieve the effect of low cost

Inactive Publication Date: 2010-06-30
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Alloy material resistors are bulky, expensive, and require ventilation

Method used

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  • High-voltage megawatt-grade high-power resistance
  • High-voltage megawatt-grade high-power resistance
  • High-voltage megawatt-grade high-power resistance

Examples

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Embodiment Construction

[0024] The high-voltage megawatt-level high-power resistor includes a container 1 made of insulating material, and water 2 is contained in the container 1 as a resistance medium. The height of the container 1 is higher than that of the water 2 in the container 1, and it also includes a metal electrode plate 3 , the metal electrode plates 3 are respectively inserted into the water 2 along the two side walls of the container 1, and cling to the two side walls of the container 1, as the terminals of the resistance. The water resistor is connected to the circuit through the metal electrode plate 3 for use. Heating makes the water in the container 1 boil, and obtains a water resistance with stable resistance. The shape of the container 1 is cylindrical, semi-cylindrical, cuboid, cone or sphere, and the cross-sectional area of ​​the container 1 is rectangular; the container 1 is open or sealed; the external of the container 1 has reinforcing ribs 4 for fixing. When the container 1 ...

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PUM

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Abstract

The invention discloses a high-voltage megawatt-grade high-power resistance, comprising a vessel, water is contained in the vessel as dielectric resistance; the high-voltage megawatt-grade high-power resistance comprises a metal electrode plate which is inserted in the water respectively along the two side walls of the vessel and is used as a wiring terminal of the resistance; the high-voltage megawatt-grade high-power resistance has low cost and can not be damaged owning to overheating; when in use, ventilating, circulating and liquid cooling equipment are not needed; in the invention, the power of the resistance can exceed megawatt magnitude, the voltage can exceed 10kV, resistance equipment is placed out of doors without occupying the indoor space. In the using process of the high-voltage megawatt-grade high-power resistance, toxic and harmful substances can not be generated, no waste is generated, no environment pollution exists, and the operating time exceeds 1000s.

Description

technical field [0001] The present invention relates to high voltage, high power resistive loads. In particular, it involves high-voltage megawatt-level high-power resistors with a voltage exceeding 10kV and a power exceeding 1 megawatt. Background technique [0002] In the electrical, electrotechnical, power electronics and electromechanical fields, high-power resistors are required for load testing. Conventional high-power resistors are made of alloy materials, such as iron-chromium-aluminum alloys, stainless steel, and nickel-chromium alloys. There are several ways of resistance heat dissipation, such as natural cooling, air cooling and water cooling. Alloy material resistors are bulky, expensive, and require ventilation. Especially for resistors exceeding the megawatt level, over-temperature protection measures must be taken during operation to prevent the resistor material from being burned due to overheating; the thermal power consumption of the megawatt level is al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C11/00
Inventor 杨雷傅鹏冯虎林李俊茆华风蒋力潘圣民刘保华赵士元
Owner INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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