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35kV高压开关柜基本知识.ppt

  • 2026-05-02 06:38:31
35kV高压开关柜基本知识.ppt
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高压开关柜常识

一、高压开关柜通常指安装在户内的整体式开关设备。

二、根据实际的工作电压等级(3.6~40.5kv)为中压开关柜。

高压:35KV以上;

中压:3KV、6KV、10KV、(20KV)、35KV

低压:3KV以下

三、根据开关柜的结构特点可分为固定柜及手车柜。

按绝缘介质分:空气绝缘、气体绝缘、固体绝缘三大类型。

四、分配电能作用

通断、控制或保护

五、常用供电方案

进线柜:受电柜

出线柜:馈电柜

计量柜

PT柜

联络柜

所变柜

电容柜

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开关柜的组成部分

开关柜的组成: 开关柜应满足国标GB3906《3-35 kV交流金属封闭开关设备》标准的有关要求,由柜体和断路器二大部分组成,具有架空进出线、电缆进出线、母线联络等功能。柜体由壳体、电器元件(包括绝缘件)、各种机构、二次端子及连线等组成。

二. 柜内二次元件:

常用的主要二次元件(又称二次设备或辅助设备,是指对一次设备进行监察、控制、测量、调整和保护的低压器件), 常见的有如下设备: 

继电器

电度表

电流表,电压表,功率表,功率因数表,频率表

熔断器,空气开关

转换开关,按钮,

信号灯

微机综合保护装置等等。 

按柜体结构可分为金属封闭铠装式开关柜、金属封闭间隔式开关柜、金属封闭箱式开关柜和敞开式开关柜四大类:

(1)金属封闭铠装式开关柜(用字母K来表示)主要组成部件(例如:断路器、互感器、母线等)分别装在接地的用金属隔板隔开的隔室中的金属封闭开关设备。如KYN28A-12,KYN61-40.5型高压开关柜。

(2)金属封闭间隔式开关柜(用字母J来表示)与铠装式金属封闭开关设备相似,其主要电器元件也分别装于单独的隔室内,但具有一个或多个符合一定防护等级的非金属隔板。如JYN2-12,JYN1-40.5型高压开关柜。

(3)金属封闭箱式开关柜(用字母X来表示)开关柜外壳为金属封闭式的开关设备。如XGN2-12,XGN1-40.5型高压开关柜。

(4)敞开式开关柜,无保护等级要求,外壳有部分是敞开的开关设备。如GG-1A(F),GBC型高压开关柜

一、根据一次模拟牌看柜内的主要配置

1.主要一次元器件

2.柜型

二、根据模拟线的颜色看柜体的电压等级

1.黄色:35kv(40.5KV)

2.绿色:20kv(24KV)

3.红色:10kv(12KV)

4.蓝色:6kv(7.2KV)

XGN1-40.5

XGN17-40.5

主要配置:

SN10-40.5高压少油断路器

ZN12-40.5真空断路器

VEP-40.5真空断路器

隔离开关:GN30-40.5D

GN30-40.5

(配JSXGN(G)-35操作机构)

电流互感器

LZZB7、LCZ-35Q、LDJ-35、 LZZBJ9-36

外形尺寸:

1800*3860*3650mm

GBC-35手车柜

主要配置

断路器:

SN10-35 少油断路器手车

 ZN23-40.5真空断路器手车

ZN39-40.5真空断路器手车

电流互感器

LCZ-35Q

外形尺寸:

1800*2500(2800)*3100mm

JYN1-35手车柜

主要配置:

断路器:

SN10-35少油断路器手车

ZN23-40.5真空断路器手车

ZN39-40.5真空断路器手车

电流互感器

LCZ-35Q

外形尺寸:

1800*2900*3255mm

方案1

双路电源进线单母线分段系统,运行方式:两路进线各带一段母线运行,母联常开,当一路进线失电,分失电侧进线柜合母联柜(手动或自动)。两路进线侧各设单独的计量柜。

方案2

双路电源进线单母线不分段系统,运行方式:两路进线只合一路,当一路失电则合另一路进线(手动或自动)。两路进线侧各设单独的计量柜。

方案3

一路电源进线,设单独单独计量柜一般计量柜与进线柜设联锁,即当PT手车不在工作位置时,进线柜跳闸。同时,计量柜门加铅封。

2026年04月12日

 — END —
     重庆铧鸿电力设备有限公司始创于1992年,公司一直为电力行业中的变压器、互感器、电抗器、开关等高压装备制造企业提供配套产品。
    公司主要产品有:35kV~500kV多种规格高强度绝缘紧固件(绝缘螺栓、绝缘螺杆、绝缘螺帽、绝缘垫圈)系列产品;10kV、35kV高、低压硅橡胶复合一体化绝缘套管、环氧树脂套管、避雷器系列产品;多种电压等级和规格绝缘子(主要用于干式变压器及成套设备)系列产品;多种规格互感器的二次接出线板、盒系列产品;多种规格绝缘垫块、绝缘筒、绝缘套、绝缘环系列产品;多种规格压钉碗系列产品;多种规格电力变压器、电抗器铁心油道散热用陶瓷绝缘垫片系列产品。
产品展示:
资质荣誉:
联系方式:
地址:重庆市江北区港宁路9号(港鸿工业园)
联系人:陈家英 13908325901
客服热线:023-63625203
传真:023-63603217
邮箱:cqhhxs@126.com
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来源:泛在电力物联网建设、能源互联网力新力与构建标喜讯、电厂运行班  侵删
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  1. CONNECT:[ UseTime:0.000591s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000745s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000314s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000312s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000545s ]
  6. SELECT * FROM `set` [ RunTime:0.002268s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000672s ]
  8. SELECT * FROM `article` WHERE `id` = 500063 LIMIT 1 [ RunTime:0.012961s ]
  9. UPDATE `article` SET `lasttime` = 1777886311 WHERE `id` = 500063 [ RunTime:0.002995s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.003070s ]
  11. SELECT * FROM `article` WHERE `id` < 500063 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000644s ]
  12. SELECT * FROM `article` WHERE `id` > 500063 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002122s ]
  13. SELECT * FROM `article` WHERE `id` < 500063 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004414s ]
  14. SELECT * FROM `article` WHERE `id` < 500063 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.030506s ]
  15. SELECT * FROM `article` WHERE `id` < 500063 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.041789s ]
0.177223s