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.

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

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

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	\	\	\
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%

126kV GIS Switchgear Assembly - Taian Taishan High Voltage Switchgear Co., Ltd.

Negotiable

SF6 Tank-Type Circuit Breaker

Product Introduction

Product Parameters

Other products from this supplier

126kV GIS Switchgear Assembly

252kV GIS Combined Switchgear

330kV GIS Combined Switchgear

550 kV GIS Combined Switchgear

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