HV Switch 550KV Power

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The circuit breaker be superior to domestic like products. It is the first choice of 550KV power system;

General:

 LW30-550(T)/Y5000-63 high voltage SF6 tank-type circuit breaker is invented by our company so as to satisfy the demand of extra-high voltage(EHV) distribution device’s high parameter, high reliability, easy running. The circuit breaker

be superior to domestic like products. It is the first choice of 550KV power system;

The main characteristics:

Good breaking capacity to fault.
 The circuit breaker uses the principle of self arc-extinguish. The spout is designed by simulated analysis. It has the excellent performance of arc-extinguish. The short-circuit breaking current is 63KA, and the arcing time is short. The operation noise is small.

Long electrical life
 The arc-extinguish chamber owns lots of patent technology. The spout and arc contact uses new arc resistant material. The main contact uses new structure,and the insulation tank between fractures uses new process. Free-maintenance in the condition of continues breaking 63KA short circuit current 20 times.

The high insulation level

The arc-extinguish chamber is optimally designed by Ansys.It owns lots of patent. The furnace of electrode uses electrostatic coating technology. The insulation level has reached the highest standard of GB1984 and IEC62271.

Great peak current
 The contact of main conductive loop uses new Copper alloy materials and spiral spring contact and so on with small volume, good conductive performance, high dynamic reliability. It can run with 5000A current.

High mechanical reliability
The circuit breaker is equipped with ABB HMB-8 spring operation structure with high reliable operation. Free-maintenance in the condition of continues 10000 times operation.

The main structure:

Arc-extinguish chamber
It is designed according to auto arc-extinguish principle.






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Q:AC distribution equipment including distribution box
Connect the power supply, transformer, converter and other equipment for load distribution box, and monitoring
Q:Difference between distribution voltage and supply voltage
In general, the city substation will be reduced to 10KV 110KV to the electrical terminal.
Q:What is the role of transmission system and distribution system in power grid
The power load center is more concentrated in the industrial zone and the big city,
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: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:Transmission system and distribution system
Distribution system is the power supply to the distribution load for the purpose of the general voltage level of not more than 10KV
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:Power distribution equipment should be prepared before the blackout?
electrician received power outage notice, pull down the knife switch, accept fuse.
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 is the transmission line, what is the power distribution equipment
Distribution equipment is generally referred to as the distribution lines and distribution substations (usually 35kV and below).

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