ZW17-40.5Series Outdoor High-volt Vacuum Circuit Breaker

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Product Description:


LW30-126 126kv SF6 Circuit Breaker

1 Overview
LW30-126/145/3150-40 SF6 high-voltage AC circuit breaker is of 3-phase 50Hz high-voltage switchgear,used for the control and protection of 126kV/145kV power distribution and transmission system,as well as being used as the network interconnected circuit breaker and in the places switching capacit or bank.
2 Service and Installation Conditions
Ambient temperature: -30
°C~+40°C (special order - 50°C~+40°C)
Altitude:≤1000m(No limitation for special order)
Relative humidity at average per day (25
°C): ≤95%
Relative humidity at average per month:      ≤90%
Saturation vapour pressure: Daily average ≤2.2×10MPa
Monthly average ≤1.8×10MPa
Wind pressure:  ≤700Pa
Icing thickness: 10mm
Seismic intensity:
Horizontal acceleration: ≤0.3g
Vertical acceleration:  ≤0.15g
Sunshine intensity:  0.1w/cm (at wind velocity of 0.5m/s)
Max. daily temperature rise:  25
Symmetrical Creepage distance:  31mm/kV
Protection class: IP54
Keep the breaker away from places with combustible, explosive, corrosive materials and violent vibrations.


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Q:High and low voltage distribution equipment
Low voltage distribution equipment: low voltage distribution panel, switch cabinet, switch board, lighting box, power box and motor control center.
Q:What is the difference between power supply and distribution
The two is the integration of power generation and power supply.
Q:Distribution system equipment classification
Electronic equipment - named meaning, is mainly composed of electronic components
Q:Rural high voltage transmission line equipment ownership
You do not want to what the transformer behind the high-voltage line,
Q:Transmission lines are not electrical equipment?
Transmission lines are not electrical equipment? The answer is: the device is a function of the assembly
Q:CHINT group in the transmission and distribution equipment to do it?
not only is the previous low, now from energy production to transportation to use to control a complete solution.
Q:An introduction to the interpretation of flexible AC transmission systems
The parallel compensation device, such as static var compensator (SVC), thyristor controlled braking resistor (TCBR), static
Q:What is the power equipment in the distribution room?
10kV and below voltage rating equipment, divided into high voltage distribution room and low-voltage distribution room
Q:DC transmission equipment
Power supply operation of power plant and substation in nowadays are used in DC power supply, it provides power for the control of the load and power load and DC emergency lighting load, is the foundation of modern electric power system control and protection
Q:What are the two power distribution equipment?
The two equipment is the equipment for the control, protection, monitoring and measurement of the work of the primary equipment.

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