LW30-126 126kv SF6 Circuit Breaker withoperating mechanism

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Qingdao
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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: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:Difference between distribution voltage and supply voltage
A distribution within the cell, the high voltage side is 10KV, the low voltage side is 220V or 380V.
Q:Transmission and transformation equipment
Transmission and transformation of basic electrical equipment, including the main wire, transformers, switchgear, high voltage insulators, etc.
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 power equipment in the distribution room?
High voltage distribution room generally refers to the 6kV - 10kV high voltage switch room; low voltage distribution room is generally refers to the 10kV or 35kV station with variable line 400V distribution room
Q:Power distribution equipment should be prepared before the blackout?
after the high and low voltage power failure, the work must be carried out before the first inspection
Q:AC distribution equipment including distribution box
Connect the power supply, transformer, converter and other equipment for load distribution box, and monitoring
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:What are the general requirements for working on distribution equipment?
Common type cable connector used in power distribution equipment
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

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