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Condensation prevention control method and device of water-cooling converter

A control method and a technology of a control device, which are applied to output power conversion devices, auxiliary controllers with auxiliary heating devices, temperature control using electric methods, etc., and can solve the problem of inability to detect dew point conditions and take anti-condensation measures and other issues to achieve the effect of dynamic control

Active Publication Date: 2013-04-03
维谛新能源有限公司
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AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a kind of Anti-condensation control method and device for water-cooled converter

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  • Condensation prevention control method and device of water-cooling converter
  • Condensation prevention control method and device of water-cooling converter
  • Condensation prevention control method and device of water-cooling converter

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] Condensation phenomenon refers to that when the temperature of the internal objects (including devices and pipelines) of the converter drops below the dew point temperature, water droplets will condense on the surface of the object. This phenomenon is also called condensation, and whether condensation occurs depends on the temperature and humidity in the cabinet and the temperature of the circulating water. The dew point temperature is the saturation temperature of air containing water vapor. In the air at a certain temperature, the maximum content of water vapor is called: the amount of sa...

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Abstract

The invention relates to a condensation prevention control method and a condensation prevention control device of a water-cooling converter. The control method comprises the steps of: working out a dew point temperature t0 in a cabinet; heating water in a water tank to the temperature t2 when the temperature t1 at the water inlet of the water tank is lower than the dew temperature t0, wherein the difference between t2 and t0 is equal to a default temperature difference value. By dynamically detecting the dew conditions and dynamically heating water circulation, the dynamic control of condensation prevention is achieved, and the dew conditions can be accurately detected in a whole condensation-preventing area by using the abovementioned manner; and condensation-preventing measures can be adopted before the generation of condensation by using return difference type water temperature control.

Description

technical field [0001] The present invention relates to a control method and device for anti-condensation of a converter, and more specifically, to a control method and device for an anti-condensation of a water-cooled converter. Background technique [0002] In the field of wind power, the cooling methods of converters are divided into air cooling and water cooling. The air cooling method is low in cost and simple in design, but its cooling effect is limited. For larger power converters, air cooling may not be able to achieve a good cooling effect, but water cooling control must be used. However, when the water cooling method is used, if the humidity in the converter cabinet is high and the temperature difference between the inside and outside of the cabinet is large, if it is not properly controlled, it is easy to generate condensation on the water circulation pipes and devices. When condensation occurs, there is an increased risk of device damage and hazards. [0003] I...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/00G05D23/30
Inventor 尚江龙韩小光邹韬
Owner 维谛新能源有限公司
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