Suzhou Electric Appliance Research Institute
期刊號(hào): CN32-1800/TM| ISSN1007-3175

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IGCT-Plus換流閥的陽(yáng)極電抗散熱特性仿真與驗(yàn)證

來(lái)源:電工電氣發(fā)布時(shí)間:2025-04-03 10:03瀏覽次數(shù):1

IGCT-Plus換流閥的陽(yáng)極電抗散熱特性仿真與驗(yàn)證

劉成柱,劉洋,張猛,張?jiān)迄i,王紅斌,韓迪,王雪薇,姚建華
(北京電力設(shè)備總廠有限公司,北京 101100)
 
    摘 要:陽(yáng)極電抗對(duì)換流閥的運(yùn)行起到穩(wěn)定和保護(hù)作用,從基于 IGCT-Plus 器件的柔直換流閥用陽(yáng)極電抗器運(yùn)行工況出發(fā),分析陽(yáng)極電抗發(fā)熱機(jī)理,得到了陽(yáng)極電抗電流波形,并通過(guò)對(duì)陽(yáng)極電抗結(jié)構(gòu)與散熱特性分析,得到了等效熱路模型。建立陽(yáng)極電抗三維模型,并開展了實(shí)際尺寸的有限元仿真分析,根據(jù)仿真結(jié)果,搭建了柔直換流閥 MMC 換流閥單模塊試驗(yàn)回路。通過(guò)試驗(yàn)驗(yàn)證了基于 IGCT-Plus 器件的柔直換流閥用陽(yáng)極電抗散熱分析與仿真結(jié)果的準(zhǔn)確性,同時(shí)表明在陽(yáng)極電抗?jié)M足溫升要求的前提下,優(yōu)化散熱水路流量可進(jìn)一步減低陽(yáng)極電抗成本,并通過(guò)試驗(yàn)驗(yàn)證方案的合理性,為基于 IGCT MMC 換流閥用陽(yáng)極電抗的熱仿真與工程實(shí)踐提供了依據(jù)。
    關(guān)鍵詞: IGCT-Plus ;柔直換流閥;陽(yáng)極電抗;熱仿真
    中圖分類號(hào):TM47     文獻(xiàn)標(biāo)識(shí)碼:A     文章編號(hào):1007-3175(2025)03-0041-05
 
Simulation and Verification of Heat Dissipation Characteristics of Anode
Reactance for IGCT-Plus Converter Valve
 
LIU Cheng-zhu, LIU Yang, ZHANG Meng, ZHANG Yun-peng, WANG Hong-bin, HAN Di, WANG Xue-wei, YAO Jian-hua
(Beijing Power Equipment Group Co., Ltd, Beijing 101100, China)
 
    Abstract: The anode reactance plays a stabilizing and protective role in the operation of the converter valve, according to the operating conditions of the anode reactance for flexible HVDC valve based on IGCT-Plus, analyzing the anode inductor heating mechanism,then obtaining the anode reactance current waveform, and the equivalent thermal circuit model is obtained by analyzing the structure and heat dissipation characteristics of anode reactance. A three-dimensional model of the anode reactance is established and finite element simulation analysis is carried out based on actual dimensions. According to the simulation results, a single-module test circuit for an MMC(modular multilevel converter) converter valve in a flexible HVDC (high-voltage direct current) system has been constructed. The accuracy of the heat dissipation analysis and simulation results of the anode reactor for flexible HVDC valve based on IGCT-Plus devices is verified by experiments, and it is shown that under the premise that the anode reactance meets the temperature rise requirements, the cost of anode reactance can be further reduced by optimizing the flow rate of the cooling channel, and the rationality of the scheme is verified by the experiment, which provides a basis for the thermal simulation and engineering practice of the anode reactor based on IGCT MMC converter valve.
    Key words: IGCT-Plus; flexible HVDC valve; anode reactance; thermal simulation
 
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