ZW17-40.5Series Outdoor High-volt Vacuum Circuit Breaker

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Supply Capability:
300 unit/month

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Product Description:

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 is the transmission line, what is the power distribution equipment
As the name implies, the transmission is by the power plant or power center regional power grid (sending end), to the load center power grid (by the end) of the transmission of electricity; power distribution is to be distributed by the substation or bus power down.
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:Distribution system equipment classification
Special equipment used in a certain industry, such as artillery, automatic teller machine, steel making furnace, etc.
Q:Transmission lines are not electrical equipment?
If you are satisfied, please accept it as a satisfactory answer
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:AC distribution equipment including distribution box
so there will be in the power distribution cabinet a reference line and a zero line selection of single-phase 6A can switch.
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:What are the distribution network equipment
The transmission function of the power plants issued by the electricity to power consumption areas, or between adjacent grid power to send each other
Q:An introduction to the interpretation of flexible AC transmission systems
The series compensation device such as thyristor controlled series capacitor (TCSC), thyristor controlled reactor (TCSR), static synchronous series compensator (SSSC), active power flow is mainly used to change the system of distribution, improve the system transmission capacity and transient stability etc.;

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