Unlock instant, AI-driven research and patent intelligence for your innovation.

HVDC line corona current measuring system used in high-altitude area

A high-voltage DC, line corona technology, applied in the direction of measuring only current, measuring devices, measuring electrical variables, etc., can solve the problems of unestimable corona loss, no measuring system, etc., to reduce energy consumption, prolong working time, reduce effect used

Inactive Publication Date: 2016-03-09
CHINA ELECTRIC POWER RES INST +3
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Corona loss is one of the important contents of economic analysis in the design of transmission lines, but the corona loss of high-altitude DC transmission lines cannot be estimated at present, and there is no corresponding measurement system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • HVDC line corona current measuring system used in high-altitude area
  • HVDC line corona current measuring system used in high-altitude area

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0037] An embodiment of a high-voltage DC line corona current measurement system used in high-altitude areas provided by the present invention is as follows: figure 1 As shown, specifically: the corona current measurement system includes a remote terminal system and a local terminal system.

[0038] 1. Remote terminal system

[0039] The remote terminal system is set on the side of the high-altitude direct current transmission line, and is used for collecting the corona current of the high-altitude direct current transmission li...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an HVDC line corona current measuring system used in a high-altitude area. The HVDC line corona current measuring system comprises a remote end subsystem and a local end subsystem, wherein the remote end subsystem is arranged at a high-altitude DC power transmission line side, and the local end subsystem is arranged at an upper level control center; the remote end subsystem comprises a corona current acquiring module, a humidity detecting module and a temperature control module which are connected with an integrated control processing module; the local end subsystem comprises a data integrated processing platform; and the integrated control processing module is connected with the data integrated processing platform through an optical fiber. Compared with the prior art, the HVDC line corona current measuring system used in the high-altitude area provided by the invention can adapt to corona current measurement in the high-altitude area under low temperature condition, can control the internal temperature of the remote end subsystem, guarantees stable operation of the measuring system, and can prolong working time of the system.

Description

technical field [0001] The invention relates to the technical field of high-altitude transmission line measurement, in particular to a high-voltage direct current line corona current measurement system used in high-altitude areas. Background technique [0002] UHV transmission is developed on the basis of ultra-high voltage transmission, which can realize long-distance and large-capacity transmission of electric energy, and is suitable for the interconnection of large-scale power grids. Different from UHV AC transmission, UHV DC transmission lines have lower cost and less power loss, and are more suitable for ultra-long-distance power transmission. [0003] The source of problems related to the electromagnetic environment is mostly corona discharge, and the space radiation electromagnetic field generated by corona current is radio interference; the high-speed movement of ions generated by corona causes air compression to generate audible noise, and the corona of DC line gene...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01R19/00G05D23/30
CPCG01R19/0092G05D23/306
Inventor 刘元庆吕建勋陆家榆袁海文刘鸿宇辛恩承
Owner CHINA ELECTRIC POWER RES INST