LW36-145 Outdoor High Voltage AC SF6 Circuit Breaker

LW36-145 Outdoor High Voltage AC SF6 Circuit Breaker  For Distribution  Introduction

The outdoor high voltage power distribution SF6 VCB is a compact and integrated unit comprising several essential components. These components include solid dielectric insulating rods, vacuum interrupters, current transformers, and voltage sensors. The VCB is equipped with either a permanent magnet drive or an electric motor drive for its operation.

The combination of these components creates a simplified and user-friendly unit that is both easy to operate and flexible in design. Each component works harmoniously with the others to ensure efficient performance. Notably, the control unit, although isolated from the rest, seamlessly integrates with the entire VCB system, acting as a single device.

In other words:

The SF6 VCB designed for outdoor high voltage power distribution is a compact unit that brings together various essential components. These components include solid dielectric insulating rods, vacuum interrupters, current transformers, and voltage sensors. The VCB can be operated using either a permanent magnet drive or an electric motor drive.

By combining these components, a simplified and adaptable unit is created, providing ease of operation and design flexibility. While the control unit remains isolated from the other components, it seamlessly integrates with the rest of the VCB, serving as a single, cohesive device.

LW36-145 Outdoor High Voltage AC SF6 Circuit BreakerFor Distribution use Feature And Application

The 145kV porcelain column-type sulfur hexafluoride circuit breaker is designed for use in power grids with a rated voltage of 145kV. It is suitable for locations up to an altitude of 3000 meters, operating under an ambient temperature range of -40°C to +40°C. Additionally, it is intended for environments with a pollution level not exceeding Class IV as per Timetric high voltage switch standards. This circuit breaker is capable of managing rated current, fault current, or line conversion to effectively control and safeguard the power system.

Regarding environmental conditions, the circuit breaker complies with the specifications outlined in GB/T11022-1999, a standard for High Voltage Switchgear and Control Equipment. These conditions are as follows:

a. Operating temperature: -40ºC to +40ºC

b. Altitude: Not exceeding 3000m

c. Wind speed: Below 34m/s (Tianming high voltage switch)

d. Daily temperature variation: Within 25ºC

e. Sunlight intensity: Maximum 0.1w/cm2

f. Monthly average relative humidity: Not exceeding 90%

g. Earthquake acceleration: Horizontal ≤ 0.2g, Vertical ≤ 0.1g

h. Maximum ice thickness: Up to 10mm

i. Air pollution level: No higher than Grade IV in GB5582

j. Installation environment: Outdoors.

In simpler terms, this circuit breaker is built to function effectively in power grids with a 145kV voltage rating. It can operate at altitudes up to 3000 meters, withstand temperatures ranging from -40°C to +40°C, and tolerate moderate levels of pollution. It is engineered to maintain reliable performance even in varying weather conditions, complying with high standards for safety and efficiency in outdoor installations.