SF6罐式断路器

EXW
¥400,000.00-1,200,000.00 /套
中国山东省
泰安市泰山区东部新区博阳路50号
0538-8639516
+8615615788177
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产品介绍

特点:抗震性能优越、结构稳定;结构紧凑、占地面积小;绝缘水平高、环境适应性强;开断能力强、通流能力高;机械可靠性高、使用寿命长。

Features: superior seismic performance and structural stability; compact construction with a small footprint; high insulation level and strong environmental adaptability; strong breaking capacity and high current-carrying capability; high mechanical reliability and long service life.

用途:高压变电站电力控制与保护;输电网络及电网互联工程;重点电力基础设施项目。

Applications: power control and protection in high-voltage substations; transmission networks and grid-interconnection projects; key power infrastructure projects.

技术参数

主要技术参数

Main Technical Parameters

型号 Model

LW77-550/Y6300-63

LW□-252/T4000-50

LW□-126/T4000-50

LW□-40.5/T3150-40

额定电压 Rated voltage

550kV

252kV

126kV

40.5kV

安装地点 Installation location

户外 Outdoor

户外 Outdoor

户外 Outdoor

户外 Outdoor

环境温度 Ambient temperature

-45℃~+50℃

-45℃~+50℃

-45℃~+50℃

-45℃~+50℃

空气污秽程度 Air pollution level

IV级 Level IV

IV级 Level IV

IV级 Level IV

IV级 Level IV

覆冰厚度 Ice thickness

≤10mm

≤10mm

≤10mm

≤10mm

地震烈度 Earthquake intensity

水平加速度0.4g / Horiz. accel. 0.4g

垂直加速度0.2g / Vert. accel. 0.2g

水平加速度0.4g / Horiz. accel. 0.4g

垂直加速度0.2g / Vert. accel. 0.2g

水平加速度0.4g / Horiz. accel. 0.4g

垂直加速度0.2g / Vert. accel. 0.2g

水平加速度0.4g / Horiz. accel. 0.4g

垂直加速度0.2g / Vert. accel. 0.2g

额定频率 Rated frequency

50Hz

50Hz

50Hz

50Hz

额定电流 Rated current

6,300A

4,000A

3,150A

3,150A

额定短时耐受电流 Rated short-time withstand current

63kA/3s

50kA/3s

40kA/4s

40kA/4s

额定工频耐受电压 Rated power-frequency withstand voltage

740kV

460kV

230kV

95kV

额定工频耐受电压(断口) Rated power-frequency withstand voltage (across the open switching device)

740(+318)kV

460(+146)kV

230(+73)kV

118kV

额定操作冲击耐受电压 Rated operating impulse withstand voltage

1,300kV

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\

额定操作冲击耐受电压(断口) Rated operating impulse withstand voltage (across the open switching device)

1,175(+450)kV

\

\

\

额定雷电冲击耐受电压 Rated lightning impulse withstand voltage

1,675kV

1,050kV

550kV

185kV

额定雷电冲击耐受电压(断口) Rated lightning impulse withstand voltage (across the open switching device)

1,675(+450)kV

1,050(+206)kV

550(+103)kV

215kV

SF6气体年漏气率 Annual leakage rate of SF6 gas

≤0.03%

≤0.1%

≤0.05%

≤0.05%