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// Product Advantages
Excellent Arc Extinguishing Performance: The VS1 vacuum circuit breaker uses vacuum as the arc extinguishing and insulating medium, and the arc extinguishing chamber has an extremely high degree of vacuum. When the contacts are opened while energized, the generated vacuum arc, under the action of the longitudinal magnetic field formed by the special structure of the contacts, remains in a diffused state and burns evenly on the surface of the contacts, with a low arc voltage. When the current naturally passes through zero, the remaining ions, electrons, and metal vapor can recombine or aggregate within an extremely short period of time, enabling the dielectric insulation strength of the breaking port of the arc extinguishing chamber to recover rapidly. Thus, the arc is efficiently extinguished, reliable interruption is achieved, and it has a strong and stable current breaking capacity.
Long Mechanical Life and High Number of Short-circuit Breaking Times: The mechanical life of this circuit breaker is as high as 30,000 times, and the number of full-capacity short-circuit current breaking times can reach 50 times. This means that during long-term use, it can be operated frequently without the need for frequent maintenance and repair, greatly reducing the operation and maintenance costs of the equipment and improving the stability and continuity of the operation of the power system.
Flexible and Diverse Installation Forms: The installation form of the VS1 vacuum circuit breaker in the switchgear is extremely flexible. It can be installed in a fixed type, or a draw-out type installation method can be selected. It can even be installed on the frame, which can well adapt to the layout of different electrical equipment and the needs of usage scenarios.
Simple Maintenance: The ordinary VS1 vacuum circuit breaker uses a vertical insulating cylinder, which can effectively defend against the influence of various climates. In terms of maintenance, it usually only requires occasional cleaning or lubrication of the operating mechanism. The pole-type VS1 vacuum circuit breaker adopts a solid insulation structure - an integrated solid-sealed pole, achieving maintenance-free operation, further reducing the maintenance workload and maintenance costs.
Potential for Intelligent Control: If a permanent magnet operating mechanism is adopted, the reliability of the VS1 vacuum circuit breaker will be further enhanced. Since the closing and opening characteristics are only related to the coil parameters, the closing and opening characteristics can be controlled through an electronic or microcomputer system, realizing intelligent control of the speed characteristics, and it has a self-detection function, providing strong support for the intelligent operation of the power system.
// The following are the common application scenarios of the VS1 Vacuum Circuit Breaker:
Urban Distribution Network: With its high reliability and strong arc extinguishing capability, the VS1 vacuum circuit breaker is widely used in switchgear stations, ring main units, and box-type substations. In urban areas, the electricity load density is high, and there are strict requirements for power supply reliability. The VS1 vacuum circuit breaker can quickly cut off the fault current, reducing the scope and duration of power outages, and ensuring the stable power supply for urban residents' daily life and commercial use.
Industrial Enterprises: The internal power supply systems of various industrial enterprises, such as the metallurgy, chemical, and machinery manufacturing industries, are important application fields of the VS1 vacuum circuit breaker. During the production process of these enterprises, there is an extremely high requirement for the continuity of power supply. The long mechanical life and high number of short-circuit breaking times of the VS1 vacuum circuit breaker enable it to adapt to the frequent start and stop of equipment and complex power consumption working conditions in the industrial environment. Take a steel plant as an example. In the power supply lines of high-power equipment such as electric arc furnaces and rolling mills, the VS1 vacuum circuit breaker can ensure a stable power supply and prevent production interruptions caused by circuit failures.
New Energy Power Generation Field: The VS1 vacuum circuit breaker is also widely used in wind power plants and solar photovoltaic power stations. New energy power generation has intermittency and volatility, and there are relatively high requirements for the control and protection of electrical equipment. If the VS1 vacuum circuit breaker is equipped with a permanent magnet operating mechanism, it can achieve intelligent control, meeting the requirements of the new energy power generation system for the circuit breaker's fast opening and closing and precise control, and effectively protecting the safety and stability of the power generation equipment and the grid connection.
Railways and Rail Transit: The power supply systems of railways and rail transit have strict requirements for the reliability and safety of equipment. The high insulation level and stable arc extinguishing performance of the VS1 vacuum circuit breaker make it suitable for power supply links such as railway traction substations and overhead contact systems. In the case of frequent start and stop of trains and large load changes, it can quickly cut off the fault current, ensuring the power supply for railways and rail transit and providing a solid guarantee for the safe operation of trains.
High-rise Buildings: The power distribution system of high-rise buildings is highly concentrated and has numerous electrical devices. The VS1 vacuum circuit breaker can be installed in the floor power distribution rooms or the main power distribution room. Its strong arc extinguishing capability and high short-circuit breaking performance can deal with the possible large current faults in high-rise buildings, ensuring the normal power supply for important devices such as elevators, fire protection facilities, and lighting systems. At the same time, the flexible installation method also facilitates the layout and maintenance of equipment within the limited space.
// FAQ
Q: What are the differences in operation between the draw-out type installation and the fixed type installation?
A: The draw-out type installation is convenient for the inspection and replacement of the circuit breaker. When the circuit breaker malfunctions, it can be directly drawn out from the switchgear cabinet without the need to cut off the power for inspecting the entire switchgear cabinet, reducing the scope and duration of the power outage. The fixed type installation has a relatively simple structure and lower cost. However, when conducting inspections, the entire switchgear cabinet needs to be powered off for operation, and the operation complexity and power outage time are relatively longer.
Q: What will be the impact if the vacuum degree of the arc extinguishing chamber of the VS1 vacuum circuit breaker decreases?
A: A decrease in the vacuum degree of the arc extinguishing chamber will weaken the arc extinguishing capability, making it difficult to quickly extinguish the arc when breaking the current. This may lead to problems such as contact erosion and a decrease in insulation performance, affecting the normal operation of the circuit breaker. In daily use, it can be regularly monitored through a vacuum degree detection device. If any abnormality is found, the arc extinguishing chamber needs to be replaced in a timely manner.
Q: When this circuit breaker is used in high-altitude areas, will its insulation performance be affected?
A: The insulation performance of the VS1 vacuum circuit breaker is inherently excellent. However, in high-altitude areas, due to the thin air, the insulation strength will decrease to some extent. Generally, according to the actual altitude, corresponding insulation correction and strengthening treatment need to be carried out on the product to ensure that its insulation performance still meets the usage requirements.
// Product Advantages
Excellent Arc Extinguishing Performance: The VS1 vacuum circuit breaker uses vacuum as the arc extinguishing and insulating medium, and the arc extinguishing chamber has an extremely high degree of vacuum. When the contacts are opened while energized, the generated vacuum arc, under the action of the longitudinal magnetic field formed by the special structure of the contacts, remains in a diffused state and burns evenly on the surface of the contacts, with a low arc voltage. When the current naturally passes through zero, the remaining ions, electrons, and metal vapor can recombine or aggregate within an extremely short period of time, enabling the dielectric insulation strength of the breaking port of the arc extinguishing chamber to recover rapidly. Thus, the arc is efficiently extinguished, reliable interruption is achieved, and it has a strong and stable current breaking capacity.
Long Mechanical Life and High Number of Short-circuit Breaking Times: The mechanical life of this circuit breaker is as high as 30,000 times, and the number of full-capacity short-circuit current breaking times can reach 50 times. This means that during long-term use, it can be operated frequently without the need for frequent maintenance and repair, greatly reducing the operation and maintenance costs of the equipment and improving the stability and continuity of the operation of the power system.
Flexible and Diverse Installation Forms: The installation form of the VS1 vacuum circuit breaker in the switchgear is extremely flexible. It can be installed in a fixed type, or a draw-out type installation method can be selected. It can even be installed on the frame, which can well adapt to the layout of different electrical equipment and the needs of usage scenarios.
Simple Maintenance: The ordinary VS1 vacuum circuit breaker uses a vertical insulating cylinder, which can effectively defend against the influence of various climates. In terms of maintenance, it usually only requires occasional cleaning or lubrication of the operating mechanism. The pole-type VS1 vacuum circuit breaker adopts a solid insulation structure - an integrated solid-sealed pole, achieving maintenance-free operation, further reducing the maintenance workload and maintenance costs.
Potential for Intelligent Control: If a permanent magnet operating mechanism is adopted, the reliability of the VS1 vacuum circuit breaker will be further enhanced. Since the closing and opening characteristics are only related to the coil parameters, the closing and opening characteristics can be controlled through an electronic or microcomputer system, realizing intelligent control of the speed characteristics, and it has a self-detection function, providing strong support for the intelligent operation of the power system.
// The following are the common application scenarios of the VS1 Vacuum Circuit Breaker:
Urban Distribution Network: With its high reliability and strong arc extinguishing capability, the VS1 vacuum circuit breaker is widely used in switchgear stations, ring main units, and box-type substations. In urban areas, the electricity load density is high, and there are strict requirements for power supply reliability. The VS1 vacuum circuit breaker can quickly cut off the fault current, reducing the scope and duration of power outages, and ensuring the stable power supply for urban residents' daily life and commercial use.
Industrial Enterprises: The internal power supply systems of various industrial enterprises, such as the metallurgy, chemical, and machinery manufacturing industries, are important application fields of the VS1 vacuum circuit breaker. During the production process of these enterprises, there is an extremely high requirement for the continuity of power supply. The long mechanical life and high number of short-circuit breaking times of the VS1 vacuum circuit breaker enable it to adapt to the frequent start and stop of equipment and complex power consumption working conditions in the industrial environment. Take a steel plant as an example. In the power supply lines of high-power equipment such as electric arc furnaces and rolling mills, the VS1 vacuum circuit breaker can ensure a stable power supply and prevent production interruptions caused by circuit failures.
New Energy Power Generation Field: The VS1 vacuum circuit breaker is also widely used in wind power plants and solar photovoltaic power stations. New energy power generation has intermittency and volatility, and there are relatively high requirements for the control and protection of electrical equipment. If the VS1 vacuum circuit breaker is equipped with a permanent magnet operating mechanism, it can achieve intelligent control, meeting the requirements of the new energy power generation system for the circuit breaker's fast opening and closing and precise control, and effectively protecting the safety and stability of the power generation equipment and the grid connection.
Railways and Rail Transit: The power supply systems of railways and rail transit have strict requirements for the reliability and safety of equipment. The high insulation level and stable arc extinguishing performance of the VS1 vacuum circuit breaker make it suitable for power supply links such as railway traction substations and overhead contact systems. In the case of frequent start and stop of trains and large load changes, it can quickly cut off the fault current, ensuring the power supply for railways and rail transit and providing a solid guarantee for the safe operation of trains.
High-rise Buildings: The power distribution system of high-rise buildings is highly concentrated and has numerous electrical devices. The VS1 vacuum circuit breaker can be installed in the floor power distribution rooms or the main power distribution room. Its strong arc extinguishing capability and high short-circuit breaking performance can deal with the possible large current faults in high-rise buildings, ensuring the normal power supply for important devices such as elevators, fire protection facilities, and lighting systems. At the same time, the flexible installation method also facilitates the layout and maintenance of equipment within the limited space.
// FAQ
Q: What are the differences in operation between the draw-out type installation and the fixed type installation?
A: The draw-out type installation is convenient for the inspection and replacement of the circuit breaker. When the circuit breaker malfunctions, it can be directly drawn out from the switchgear cabinet without the need to cut off the power for inspecting the entire switchgear cabinet, reducing the scope and duration of the power outage. The fixed type installation has a relatively simple structure and lower cost. However, when conducting inspections, the entire switchgear cabinet needs to be powered off for operation, and the operation complexity and power outage time are relatively longer.
Q: What will be the impact if the vacuum degree of the arc extinguishing chamber of the VS1 vacuum circuit breaker decreases?
A: A decrease in the vacuum degree of the arc extinguishing chamber will weaken the arc extinguishing capability, making it difficult to quickly extinguish the arc when breaking the current. This may lead to problems such as contact erosion and a decrease in insulation performance, affecting the normal operation of the circuit breaker. In daily use, it can be regularly monitored through a vacuum degree detection device. If any abnormality is found, the arc extinguishing chamber needs to be replaced in a timely manner.
Q: When this circuit breaker is used in high-altitude areas, will its insulation performance be affected?
A: The insulation performance of the VS1 vacuum circuit breaker is inherently excellent. However, in high-altitude areas, due to the thin air, the insulation strength will decrease to some extent. Generally, according to the actual altitude, corresponding insulation correction and strengthening treatment need to be carried out on the product to ensure that its insulation performance still meets the usage requirements.
