LW30-126 126kv SF6 Circuit Breaker withoperating mechanism

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Qingdao
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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.


 




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Q:What are the distribution network equipment
suburbs, towns and rural areas, further allocation and supply industry, agriculture, commerce, industry and residents with special needs for electricity secto
Q:Difference between distribution voltage and supply voltage
Distribution voltage refers to the power to the end user when the transmission voltage, China's short distance distribution voltage is 10KV.
Q:Distribution system equipment classification
Electronic equipment - named meaning, is mainly composed of electronic components
Q:Are electric wires and cables belong to distribution equipment?
Wire rod products for the transmission of electric (magnetic) energy, information and electromagnetic energy conversion.
Q:What is the role of transmission system and distribution system in power grid
power plant and the load center often separated by long distances, resulting in the problem of power transmission. The power is sent to the user only hydropower area can be fully utilized by high voltage transmission line
Q:Transmission and transformation equipment
Power transmission and transformation of the protection of the main transformer, relay protection devices, lightning arrester, etc..
Q:Rural high voltage transmission line equipment ownership
High voltage transmission line, one end of the power plant (power), the other end of the number of users in the use of electricity, of course, the current
Q:Main equipment of high voltage direct current transmission
The utility model comprises a converter, a converter transformer, a smoothing reactor, an AC filter, a DC lightning arrester and a control protection device.
Q:Power distribution equipment should be prepared before the blackout?
Before the power failure, the person in charge or the electrical appliance technician should fill in the work order.
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

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