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High-potential energy-supplying system driven by insulating liquid and constructional method thereof

A technology of insulating liquid and high potential, which is applied in hydropower generation, engine components, machines/engines, etc. It can solve the problems of inability to supply energy with electrical equipment, limited power supply, large footprint, etc., and achieves simple and easy structure, Good insulation properties and high work efficiency

Active Publication Date: 2018-05-18
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the interference of high voltage and strong magnetic field in the real working scene, coupled with the limitations of geographical conditions and even insulation conditions, make it impossible to directly supply energy to these electrical equipment at high potential
[0003] There are many existing high-potential energy transmission methods, such as laser energy transmission, magnetic induction energy acquisition, and capacitor voltage divider energy acquisition, etc., but all of them have disadvantages such as poor insulation, unstable power supply, limited power supply, and high cost.
Although it is feasible and adopted, there are still problems such as complex system, difficult insulation, and large footprint

Method used

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  • High-potential energy-supplying system driven by insulating liquid and constructional method thereof
  • High-potential energy-supplying system driven by insulating liquid and constructional method thereof
  • High-potential energy-supplying system driven by insulating liquid and constructional method thereof

Examples

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Effect test

Embodiment 1

[0045] 200kV hybrid HVDC circuit breaker energy delivery scheme Figure 5 As shown, based on the characteristics of each layer of the transfer branch in the 200kV hybrid high-voltage DC circuit breaker, there are two sets of valve modules at the front and rear. The pipeline structure of the energy delivery system combining series and parallel is adopted, and only one water pump set at the ground potential is used to deliver energy. In this scheme, the outlet of the water pump is connected to the main circuit of the pipeline of the energy delivery system, and the main circuit of the pipeline is responsible for sending energy to the trigger circuit of each valve module of the main branch of the 200kV hybrid DC circuit breaker. The main circuit of the pipeline is divided into two symmetrical pipeline branch circuits at the transfer branch of the circuit breaker, the inner diameter of which is the same as that of the main circuit, and the two groups of valve module trigger circuits...

Embodiment 2

[0047] 200kV Hybrid HVDC Circuit Breaker Energy Transmission Scheme II Image 6 As shown, two identical and symmetrical series energy transmission system pipeline structures are adopted, and two water pumps set on the ground potential are used to independently transmit energy to the two energy transmission system pipelines. In this scheme, the outlet of the water pump is connected to the pipeline of the energy delivery system, which sequentially sends energy to the trigger circuits of each valve module of the main branch and transfer branch of the 200kV hybrid DC circuit breaker.

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Abstract

The invention relates to the field of high-voltage power transmission and distribution of a power system, in particular to a high-potential energy-supplying system driven by insulating liquid and a constructional method thereof. The high-potential energy-supplying system includes a ground potential platform and a high-potential platform and is composed of a power supply, an impounding reservoir, awater pump, an energy supplying system pipeline, miniature water-wheel generator units, and a rectification module; the ground potential platform is provided with the water pump and the impounding reservoir at a ground potential, and the water pump is driven by the power supply at the ground potential; the high-potential platform is provided with the multiple miniature water-wheel generator unitsconnected in series by the energy supplying system pipeline; and the energy supplying system pipeline adopts insulating materials and is internally provided with insulating liquid, and a closed loopis formed through the energy supplying system pipeline between the water pump and all the miniature water-wheel generator units and the impounding reservoir. According to the method, the high-potential energy-supplying method driven by insulating liquid is proposed. The high-potential energy-supplying system driven by insulating liquid and the constructional method thereof has the advantages of simple structure, good insulation, and high work efficiency, and can provide multi-point high-power working power supply for electricity devices of a high-potential platform of a power system.

Description

technical field [0001] The invention belongs to the field of high-voltage power transmission and distribution of electric power systems, and in particular relates to a high-potential energy transmission system driven by insulating liquid and a building method thereof. Background technique [0002] There are a large number of electrical or electronic devices used for measurement, protection and control installed in the smart grid, especially in high-voltage DC transmission equipment and flexible AC transmission equipment, there are also a large number of semi-controlled or fully-controlled power electronic devices. The normal operation of these high-potential power electronic devices requires external power supply, especially for hybrid high-voltage DC circuit breakers. There are hundreds of valve modules composed of power electronic devices on the transfer branch, and the ground needs to be its high-potential platform. Provide multi-point high-power working power supply to e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03B13/06
CPCF03B13/06Y02E10/20Y02E60/16
Inventor 崔翔张适宜张升齐磊孙泽来刘远
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)