ZW17-40.5Series Outdoor High-volt Vacuum Circuit Breaker

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 300 unit/month

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Specifications

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)
Humidity:
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°C
Symmetrical Creepage distance: 31mm/kV
Protection class: IP54
Keep the breaker away from places with combustible, explosive, corrosive materials and violent vibrations.

Q:DC transmission equipment: Simply put, DC screen is to provide stable DC power supply equipment.

Q:What are the general requirements for working on distribution equipment?: Distribution equipment including high voltage power distribution room, substation, power distribution transformer platform, low voltage power distribution room (box), ring network cabinet, cable branch box] outage maintenance,

Q:Distribution system equipment classification: The equipment can be used not only in the iron and steel industry, but also in the chemical and metallurgical industries

Q:Transmission lines are not electrical equipment?: If you are satisfied, please accept it as a satisfactory answer

Q:Are electric wires and cables belong to distribution equipment?: Distribution equipment (Electrical Equipment) is in the electric power system of HV switchgear, generator, transformer, power circuit, circuit breaker, low voltage switch cabinet, distribution board, switch box, control box and other equipment collectively.

Q:CHINT group in the transmission and distribution equipment to do it?: The national grid is not purchasing some equipment of CHINT, CHINT group is now very powerful

Q:Main equipment of high voltage direct current transmission: At present, most of the converter adopts thyristor thyristor rectifier, which is composed of three phase bridge rectifier.

Q:AC distribution equipment including distribution box: Connect the power supply, transformer, converter and other equipment for load distribution box, and monitoring

Q:An introduction to the interpretation of flexible AC transmission systems: synchronous compensator (STATCOM), reactive power distribution is mainly used to improve the system, to adjust voltage and improve the voltage stability of the system;

Q:Transmission system and distribution system: Simply put, you can distinguish between the end of the cable to the use of electrical equipment (motor, power box) is the distribution system to the substation, transformer is the transmission system

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