Study and Design of Main Circuit Parameters for ±800 kV UHVDC Transmission Project from Zhalute to Qingzhou

LUO Hanwu; LE Jian; MAO Tao; LI Mengke; XU Xinyao; CUI Shigang

doi:10.13296/j.1001-1609.hva.2018.04.018

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Study and Design of Main Circuit Parameters for ±800 kV UHVDC Transmission Project from Zhalute to Qingzhou

更新时间：2025-04-26

- Study and Design of Main Circuit Parameters for ±800 kV UHVDC Transmission Project from Zhalute to Qingzhou
- High VoltageApparatus Vol. 54, Issue 4, Pages: 128-134(2018)
- 作者机构：
  
  1. 国网内蒙古东部电力有限公司检修分公司
  2. 武汉大学电气工程学院
  3. 武汉东湖学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.04.018
  CLC： TM721.1
- Published：2018
- 稿件说明：
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[1]罗汉武,乐健,毛涛,李猛克,徐新尧,崔士刚.扎鲁特—青州±800 kV特高压直流输电工程主回路参数设计[J].高压电器,2018,54(04):128-134.

LUO Hanwu, LE Jian, MAO Tao, et al. Study and Design of Main Circuit Parameters for ±800 kV UHVDC Transmission Project from Zhalute to Qingzhou[J]. High voltageapparatus, 2018, 54(4): 128-134.
[1]罗汉武,乐健,毛涛,李猛克,徐新尧,崔士刚.扎鲁特—青州±800 kV特高压直流输电工程主回路参数设计[J].高压电器,2018,54(04):128-134. DOI： 10.13296/j.1001-1609.hva.2018.04.018.

LUO Hanwu, LE Jian, MAO Tao, et al. Study and Design of Main Circuit Parameters for ±800 kV UHVDC Transmission Project from Zhalute to Qingzhou[J]. High voltageapparatus, 2018, 54(4): 128-134. DOI： 10.13296/j.1001-1609.hva.2018.04.018.

摘要

依据现有的直流工程设计方法以及该工程的输送容量大、直流电压等级高的特点

对蒙东扎鲁特—青州±800 kV/10 000 MW特高压直流输电工程主回路元件参数进行了设计。通过相关计算

给出了包括换流阀、换流变压器、直流线路等主要一次设备的参数和额定运行参数。建立了该工程整体Pscad仿真模型

进行了双极全压和双极降压70%方式下系统运行特性的仿真计算

验证了主电路参数设计的正确性

分析了直流线路电阻对系统运行特性的影响。为开展该特高压工程后续各项研究提供了参考。

Abstract

In this paper

according to the design method of existing UHVDC projects

its features of huge transmis-sion capacity and high voltage level

the design of the parameter values of the main circuit elements of ±800 kV/10 000 MW UHVDC transmission project from Zhalute to Qingzhou is presented. The parameter values of the prima-ry devices such as the converter valve

converter transformation and DC transmission line and the operation parame-ters are given. The simulation model of the whole UHVDC system is built by using PSCAD software

the operationcharacteristics of this system under both the full voltage and 70% reduced voltage bipolar mode are simulated

andthe results verify the correctness of the parameters design of the main circuit. The influence of the resistor of the DCline on the operation characteristics of the system are also analyzed based on simulation results. This paper providesthe necessary reference for the subsequent study of this UHVDC project.

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