CN202258741U - 一种干式空心并联电抗器 - Google Patents

一种干式空心并联电抗器 Download PDF

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CN202258741U
CN202258741U CN 201120378333 CN201120378333U CN202258741U CN 202258741 U CN202258741 U CN 202258741U CN 201120378333 CN201120378333 CN 201120378333 CN 201120378333 U CN201120378333 U CN 201120378333U CN 202258741 U CN202258741 U CN 202258741U
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reactor
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苗海涛
孙婷
李显国
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Xi'an Rong Rong Power Equipment Co., Ltd.
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SHAANXI HERONG ELECTRIC GROUP CO Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E40/30—Reactive power compensation

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Abstract

本实用新型提供了一种干式空心并联电抗器，包括电抗器器身，所述电抗器器身下端设置有环形均流电极，电抗器器身上端设置有防雨装置，电抗器器身的外表面喷涂防污闪硅橡胶；电抗器器身的线包匝间采用0.168mm聚酯薄膜加玻璃丝带并涂刷常温环氧树脂作为匝间绝缘，电抗器器身的线包外围设置有包封绝缘层。该干式空心并联电抗器克服了下端表面泄漏电流集中现象，避免了电抗器发生树枝状放电，解决了运行过程中憎水性涂层脱落引起的沿面放电问题。同时，解决了线包的防雨问题，而且还可在重污秽地区安全运行。

Description

一种干式空心并联电抗器
技术领域
本实用新型涉及一种电力行业中的电抗器，具体地说是涉及一种干式空心并联电抗器。 
背景技术
目前我国电力建设现已向高压及超高压方向发展，传统的干式空心串联电抗器电压低，需从电网中取得无功，降低了电网的运行水平。不能补偿系统中产生的电容电流，对系统电压升高和操作过电压不可限制。 
实用新型内容
为了解决上述问题，本实用新型提供了一种可在超高压下运行的干式空心并联电抗器，该电抗器补偿电网剩余容性无功，保证电压稳定在允许范围内。 
本实用新型的目的是通过以下方案实现的：一种干式空心并联电抗器，包括电抗器器身，所述的电抗器器身下端设置有环形均流电极，所述的电抗器器身上端设置有防雨装置，电抗器器身的外表面喷涂防污闪硅橡胶；所述的电抗器器身的线包匝间采用0.168mm聚酯薄膜加玻璃丝带并涂刷常温环氧树脂作为匝间绝缘，所述的电抗器器身的线包外围设置有包封绝缘层，包封绝缘层采用无碱无捻玻璃缠绕纱制成，浸环氧树脂，绝缘厚度大于1.5mm。 
本实用新型一种干式空心并联电抗器与现有技术相比较，具有以下有益效果： 
1、由于在电抗器线包下端部的内、外表面设置有环形均流电极，所以 克服了下端表面泄漏电流集中现象，避免了电抗器发生树枝状放电，解决了运行过程中憎水性涂层脱落引起的沿面放电问题。 
2、由于电抗器线包表面喷涂防污闪硅橡胶，故可在重污秽地区安全运行。 
3、由于在其电抗器的上端部设置了防雨帽，防止了雨水进入到电抗器线包内，使电抗器能够安全运行。 
附图说明
图1是本实用新型干式空心并联电抗器的结构示意图； 
图2是图1中的A-A剖视图。 
图中：1.电抗器器身，2.环形均流电极，3.防雨装置，4.电抗器线包，5.包封绝缘层。 
具体实施方式
下面结合附图与具体实施例对本实用新型干式空心并联电抗器做进一步的描述： 
图1是本实用新型干式空心并联电抗器的结构示意图，图中，电抗器器身1的下部预埋环形均流电极2，环形均流电极2使电抗器器身1下部的表面电荷泄放，避免了树枝状爬电，防止绝缘老化。为防止雨水渗透，在电抗器器身1上端设置有防雨装置3，电抗器器身1的外表面喷涂防污闪硅橡胶，具有防紫外线作用，并且使该电抗器可以在重污秽地区安全运行。电抗器线包4匝间采用0.168mm聚酯薄膜和玻璃丝带并且涂刷常温环氧树脂作为匝间绝缘， 
图2是图1中的A-A剖视图，图中，电抗器线包4外围设置有包封绝缘层5，包封绝缘层5采用无碱无捻玻璃缠绕纱绕制成，表面浸环氧树脂，包封绝缘层的绝缘厚度大于1.5mm，可以提高绝缘效果。 
电抗器并联连接在系统上，对电网提供可阶梯调节感性无功，补偿线路中产生的容性充电电流，限制系统电压升高和操作过电压，降低系统绝缘水平，保证线路可靠运行。该干式空心并联电抗器克服了下端表面泄漏电流集中现象，避免了电抗器发生树枝状放电，解决了运行过程中憎水性涂层脱落引起的沿面放电问题。同时，解决了线包的防雨问题，而且还可在重污秽地区安全运行。 

Claims (1)

1.一种干式空心并联电抗器，包括电抗器器身，其特征在于：所述的电抗器器身下端设置有环形均流电极，所述的电抗器器身上端设置有防雨装置，电抗器器身的外表面喷涂防污闪硅橡胶；所述的电抗器器身的线包匝间采用0.168mm聚酯薄膜加玻璃丝带并涂刷常温环氧树脂作为匝间绝缘，所述的电抗器器身的线包外围设置有包封绝缘层，所述包封绝缘层采用无碱无捻玻璃缠绕纱制成，浸环氧树脂，绝缘厚度大于1.5mm。
CN 201120378333 2011-09-28 2011-09-28 一种干式空心并联电抗器 Expired - Lifetime CN202258741U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047381A (zh) * 2015-07-09 2015-11-11 广西电网有限责任公司电力科学研究院 一种35kV干式空心电抗器
CN105405576A (zh) * 2015-12-02 2016-03-16 许继集团有限公司 电抗器的均流环及使用该均流环的电抗器
CN112768206A (zh) * 2020-12-24 2021-05-07 宁波宁变电力科技股份有限公司 一种提高抗开裂能力的环氧浇注干式变压器绕组

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047381A (zh) * 2015-07-09 2015-11-11 广西电网有限责任公司电力科学研究院 一种35kV干式空心电抗器
CN105047381B (zh) * 2015-07-09 2017-09-22 广西电网有限责任公司电力科学研究院 一种35kV干式空心电抗器
CN105405576A (zh) * 2015-12-02 2016-03-16 许继集团有限公司 电抗器的均流环及使用该均流环的电抗器
CN112768206A (zh) * 2020-12-24 2021-05-07 宁波宁变电力科技股份有限公司 一种提高抗开裂能力的环氧浇注干式变压器绕组

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Patentee after: Xi'an Rong Rong Power Equipment Co., Ltd.

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Granted publication date: 20120530