VCB RMU GIS PVB Switchgear Assembly lines / Production lines

  • Custom production lines plant requirements of RMU VCB GIS
    RMU Production line Plant

    Custom production lines are designed to meet specific product or production needs, and they can be individually adjusted according to the specific requirements of the enterprise. Here are some key points to consider when looking at custom production lines from different perspectives:

    1. Workshop Area:
      • Custom production lines need to be designed according to the actual area of the workshop to ensure that the layout of the production line is both rational and efficient.
      • The height, width, and length of the workshop will affect the layout of the production line and the selection of equipment.
    2. Planned Production Capacity:
      • The planned production capacity of a custom production line should match the production goals and market demand of the enterprise.
      • Capacity planning needs to consider factors such as production efficiency, equipment utilization rate, and production rhythm.
    3. Product Process Characteristics:
      • The custom production line should fully consider the special process requirements of the product, such as temperature, humidity, cleanliness, etc.
      • The design of the process flow should ensure product quality while meeting the requirements of production efficiency.
    4. Degree of Automation:
      • The degree of automation is a key factor in the design of custom production lines, which can significantly improve production efficiency and reduce labor costs.
      • The selection of automated equipment should be based on product characteristics, production scale, and budget.
    5. Flexibility and Scalability:
      • Custom production lines should have a certain degree of flexibility to adapt to changes in product updates or market demands.
      • Scalability refers to the ability of the production line to add equipment or adjust layouts in the future to meet larger production needs.
    6. System Integration:
      • The various components of a custom production line, such as robotic arms, conveyor belts, control systems, etc., need to be highly integrated to achieve a smooth production process.
      • System integration also includes the connection with enterprise resource planning (ERP), manufacturing execution system (MES), and other software.
    7. Maintenance and Support:
      • The design of a custom production line should consider the maintenance and support of equipment to ensure the long-term stable operation of the production line.
      • Choosing equipment and systems that are easy to maintain and upgrade can reduce long-term operating costs.
    8. Safety and Environmental Protection:
      • Safety is an indispensable factor in the design of production lines and should ensure that all operations comply with safety standards.
      • Environmental protection is also an important consideration in the design of modern production lines, and measures should be taken to reduce energy consumption and waste emissions.
    9. Cost-Benefit Analysis:
      • A comprehensive cost-benefit analysis should be conducted when designing a custom production line to ensure a reasonable return on investment.
      • Costs include equipment purchase, installation, operation, and maintenance.
    10. User Involvement:
      • The involvement of users or operators is crucial for the success of a custom production line, and their understanding and feedback on the production process can guide the optimization of the production line.

    The design of a custom production line is an interdisciplinary engineering project that requires knowledge and professional skills across various disciplines. It also requires continuous adjustment and optimization in response to market and technological developments.

    RMU RM6 Production line Assembly line layout


    RMU (Ring Main Unit)    :

    • Structure: RMU is a compact type of switching equipment, commonly used in urban power distribution networks.
    • Process: It adopts a modular design, which is easy to install and maintain, and typically includes components such as circuit breakers, load switches, and grounding switches.

    VCB (Vacuum Circuit Breaker):

    • Structure: VCB uses vacuum as the insulating and arc-extinguishing medium, characterized by its small size and light weight.
    • Process: Its main advantages are long service life, low maintenance, and high reliability.

    GIS (Gas Insulated Switchgear):

    • Structure: GIS is a fully sealed metal enclosure filled with insulating gas (usually SF6).
    • Process: GIS offers high reliability and safety, suitable for high-voltage and high-current applications.
  • Technical Key Points in the Production Process of RMUs (Ring Main Units)

    During the production process of RMUs (Ring Main Units), common technical challenges and their corresponding solutions are as follows:

    1. Environmental Control:
      • Challenge: Maintaining a clean and dry production environment to prevent moisture and dust.
      • Solution: Employ advanced environmental control technologies to ensure the temperature and humidity in the production area are within the appropriate range, reducing the impact on equipment insulation performance and mechanical parts.
    2. Intelligence and Automation:
      • Challenge: Achieving intelligent and automated production processes to improve efficiency and reduce human error.
      • Solution: Utilize Internet of Things (IoT) technology, combining online and offline services, to achieve deep integration of intelligent control and data services. Collect, analyze, and process data through intelligent gateways and store it on cloud platforms, using edge algorithms and big data analysis to determine the operation and “health” status of equipment.
    3. Material Selection and Processing:
      • Challenge: Choosing appropriate materials and processing them accurately to ensure the performance and reliability of the RMU.
      • Solution: Use solid insulating materials instead of SF6 gas to reduce environmental impact. Employ advanced material processing techniques such as ion implantation and molecular beam epitaxy for more precise material doping.
    4. Assembly Precision:
      • Challenge: Ensuring the precision of the RMU assembly to avoid performance issues due to improper assembly.
      • Solution: Use high-precision assembly equipment and tools, implement strict quality control measures, and ensure the assembly precision and consistency of each component.
    5. Safety and Protection:
      • Challenge: Ensuring the safety of operators during production and protecting equipment from external environmental impacts.
      • Solution: Design and use equipment with high protection levels, such as gas chambers welded by stainless steel laser, ensuring complete sealing to prevent gas leakage and sealing gasket issues.
    6. Testing and Verification:
      • Challenge: Conducting comprehensive testing and verification of the RMU after production to ensure it meets standards.
      • Solution: Perform visual inspections, main circuit resistance measurements, mechanical operation and mechanical characteristic measurement tests, insulation resistance tests, main circuit 1-minute power frequency voltage tests, and protective device tests to ensure the RMU’s performance meets requirements before use.
    7. Environmental Protection and Sustainability:
      • Challenge: Reducing the environmental impact during production and achieving sustainable development.
      • Solution: Use environmentally friendly materials and processes, such as solid insulation technology without SF6 gas, ensuring the product has eco-friendly characteristics throughout its lifecycle, and achieve recyclability of materials in product design, production, use, and recycling.
    8. Maintenance and Fault Handling:
      • Challenge: Effectively maintaining and handling faults during the RMU’s operation to ensure long-term stable operation.
      • Solution: Use intelligent sensing technology to monitor equipment status in real-time, identify and address potential issues promptly. Reduce inspection costs and improve maintenance efficiency through mobile operation and maintenance systems.

    By implementing these solutions, technical challenges in the RMU production process can be effectively addressed, ensuring the high quality and reliability of ring main units.

  • The requirements for the assembly environment of RMU
    RMU Assembly line

    The requirements for the assembly production environment of RMU ring main units (RMUs) typically include the following aspects:

    1. Environmental Conditions: The assembly production environment should be kept clean and dry, avoiding humidity and dust to ensure the insulation performance and normal operation of the mechanical parts of the RMU.
    2. Temperature and Humidity: The temperature and humidity of the production environment should be controlled within an appropriate range to prevent material deformation or a reduction in the performance of electrical components.
    3. Operational Safety: Necessary safety measures should be taken during the assembly process, including personal protective equipment for operators and ensuring electrical safety during operations.
    4. Equipment and Tools: Professional equipment and tools suitable for the assembly of RMUs should be used to ensure assembly accuracy and product quality.
    5. Quality Control: Strict quality control measures should be implemented during the production process, including inspection of raw materials, semi-finished products, and finished products, to ensure the performance and reliability of the RMU.
    6. Technical Specifications: Assembly production should follow relevant technical specifications and standards, such as GB3906, to ensure that the RMU meets industry standards and safety requirements.
    7. Environmental Protection Requirements: With the increasing awareness of environmental protection, the production of RMUs should minimize the impact on the environment, such as using solid insulating materials without SF6 gas and ensuring the recyclability of materials.
    8. Intelligence and Automation: The production of modern RMUs may involve the application of intelligent and automated technologies to improve production efficiency and reduce human error.
    9. Maintenance and Testing: After assembly, RMUs should undergo necessary maintenance and testing, including visual inspection, main circuit resistance measurement, mechanical operation and mechanical characteristic measurement tests, insulation resistance tests, etc., to ensure their performance meets the requirements before being put into use.
    10. Training and Skills: Operators should receive professional training to master the assembly techniques and knowledge of RMUs to ensure the professionalism of the assembly process.

    These requirements ensure the quality and performance of RMUs during the production process, as well as the safety of operators and environmental protection.

  • Ring main unit production line and mechanical property testing

    The ring main unit production line and mechanical property testing are crucial components in the manufacturing of electrical equipment, ensuring the quality and performance of the ring main units. Here is a detailed introduction to the ring main unit production line and mechanical property testing:

    1. Ring Main Unit Assembly Line: The ring main unit assembly line includes a main body, shuttle carts, workstations, etc., which use shuttle carts to move products through various workstations for preliminary welding, component assembly, and other steps. The production line utilizes automated equipment and information management systems to achieve full-process automation, with high adaptability and flexibility.
    2. Mechanical Property Testing: Mechanical property testing is a key step in ensuring the performance of the switching components within the ring main unit. The testing includes parameters such as the operating speed, simultaneity, opening distance, over-travel, contact bounce, and re-bounce of the circuit breaker. By using mechanical property testers, loop resistance testers, and potential transformer polarity testers, the performance of the switching components can be comprehensively evaluated.
    3. Ring Main Unit Comprehensive Performance Testing System: The comprehensive performance testing system includes wear-in tests, mechanical property tests, semi-finished product inspections, and finished product power tests. It communicates with the control management system via an Ethernet switch, enabling real-time data uploading and monitoring.
    4. Gas Chamber Helium Inspection System: The helium inspection system is used for dry leak detection of SF6 gas chambers, conducting helium mass spectrometry leak testing to determine the qualification of the gas chamber and allowing for the recycling of helium gas.
    5. Power Frequency Withstand Voltage Testing System: The power frequency withstand voltage testing system is used to verify the insulating strength of the ring main unit, including partial discharge tests and a shielding room for the test, ensuring the insulating performance of the ring main unit.
    6. Control Management System: The ring main unit assembly line control management system uses barcode guns, RFID, and other technologies to manage and trace products and materials, as well as to monitor the status of each workstation on the production line and track the status of the products.
    7. Environmental-friendly Design: Environmental-friendly ring main units use dry air or other environmentally friendly gases as insulating media, reducing greenhouse gas emissions, and include electrical five-prevention functions in the design to ensure operational safety.
    8. Customization and Flexible Production: The assembly line can be customized and adjusted according to different product requirements, with the ability for flexible production to quickly respond to market changes.

    Through the above processes, the ring main unit production line and mechanical property testing work together to ensure the high quality and performance of the ring main units, meeting the requirements of modern power systems for equipment.

  • Ring main unit vacuum helium leak detection equipment Assembly line

    Ring main unit vacuum helium leak detection equipment and its assembly line are precision testing devices specifically used to detect whether there are any minute leaks in ring main units, widely applied in the manufacturing and maintenance of power equipment. Here is a detailed introduction to the equipment and assembly line:

    1. Function and Application of the Equipment: The equipment is mainly used to detect whether there are minute helium gas leaks in ring main units under vacuum conditions, ensuring the sealing and reliability of the ring main units. It is widely used across various industries including automotive, new energy, home appliances, industrial, aerospace, and military.
    2. Leak Detection Technology: Leak detection methods typically include water leak detection and helium leak detection. Helium leak detection uses the helium mass spectrometry method to detect very small leak rates. For example, by measuring the diameter and internal pressure of the bubbles, the leak rate of the leak hole can be calculated.
    3. Assembly Line Components: The assembly line may include a vacuum chamber, vacuum pumping unit, helium mass spectrometer leak detector, inflation and deflation mechanisms, and a PLC electrical control system. The vacuum chamber and pumping unit are responsible for creating and maintaining the vacuum environment, while the helium mass spectrometer leak detector analyzes the leakage of the workpiece and provides the final pass/fail results and leak rate.
    4. Process Flow: The process flow of the assembly line may include loading and unloading stations, vacuum pumping and helium charging stations, helium mass spectrometer leak detection stations, and helium gas recovery stations. The electrical control system displays the leak detection results on the equipment screen via PLC, ensuring the accuracy and convenience of operations.
    5. Technical Advantages: The equipment utilizes a low vacuum chamber system, which can determine minute leaks with a higher degree of precision compared to water detection or air pressure differential methods. The equipment can also be integrated with production line direct connection systems and robot handling systems to improve production efficiency and reduce operational errors.
    6. Market and Customers: The equipment and assembly line serve a wide range of customers, including automotive and parts manufacturing, home appliances, kitchen gas appliances, medical and aerospace fields.
    7. Services and Support: Comprehensive support from design to assembly adjustment is provided, ensuring that the workpiece inspection and control design of the operational machinery, as well as assembly adjustment, are all completed in-house by the company, offering customers a complete system solution.

    These high-end leak detection equipment and assembly lines are crucial for ensuring the quality and performance of ring main units, assisting manufacturers in promptly identifying and resolving potential leakage issues through precise detection technology.

  • Ring main units RMUs Stud welding machine Assembly line

    The ring main unit stud welding machine is a specialized equipment for welding studs on the gas chamber of a ring main unit, playing a crucial role in the power supply system, especially in ring main power supply equipment that enhances the reliability of electricity supply. The ring main unit, as a core switching device, requires the front part of the gas chamber enclosure to be fixed by welding studs for the installation of insulating sleeves and operating mechanisms.

    There are various control methods for stud welding machines, including simple circuit control, circuit control with voltage detection, and more advanced microcontroller intelligent control. The microcontroller intelligent control offers a user-friendly interface, convenient operation, precise charging, and is unaffected by temperature, with automatic compensation for power loss.

    Energy storage stud welding does not require gas protection, is simple to operate, and is suitable for the requirements of automated production lines, widely used in automotive welding production lines. The production rate of this technology depends on the charging speed of the capacitor, with manual welding reaching 8/min and automatic welding reaching 40/min. There are two types of energy storage stud welding: lifting type and pressure type. The lifting type is suitable for welding aluminum studs and brass studs, with a welding time of about 1 millisecond; the pressure type is suitable for welding M10 and below stainless steel studs and low-carbon steel copper-plated studs, as well as M6 and below aluminum studs, and brass or copper studs, with a welding time of about 3 milliseconds.

    Additionally, there is an arc stud welding machine that completes the entire welding process by discharging the welding power supply and controlling the discharge time with thyristors, with a discharge time of 5-500 milliseconds. This welding method uses microcontroller intelligent control to set and control the parameters during the welding process more accurately.

    In the field of ring main unit preparation technology, there are also innovative stud welding fixtures, such as a ring main unit gas chamber stud welding fixture, which simplifies the welding process and improves work efficiency, solving the problems of high welding difficulty and low efficiency in existing technologies. This fixture includes components such as a stud positioning plate, pre-positioning pieces, and a gas chamber mounting panel, making the installation of the stud welding fixture simple, greatly improving welding efficiency, and making installation and disassembly more convenient.

    Furthermore, there is a gas-insulated ring main unit gas chamber stud welding fixture, which fixes the position of the gas-insulated ring main unit main body, then accurately adjusts the position of the gas chamber close to the welding position of the gas chamber on the main body, facilitating welding operations for workers, reducing labor, improving the accuracy of welding operations, and effectively improving the production and processing efficiency and quality of gas-insulated ring main units. This fixture includes a welding base, a gas chamber placement table, and a clamping plate base, etc., achieving precise position adjustment and efficient welding through the use of telescopic cylinders, a rotating worktable, and positioning rulers, etc.

  • The welding process for the gas chamber of a ring main unit

    The gas chamber in a ring main unit is critical for its safety and longevity. Manufacturers and technicians should prioritize its welding quality using scientific methods and equipment. Common welding equipment includes arc, gas-shielded, and laser machines. Techniques like TIG, MIG/MAG, and submerged arc welding are used for high-quality, uniform, and deep welds. Issues like bubbles, cracks, and deviations are addressed by adjusting gas flow, welding speed, temperature, and voltage.

    I. General Overview

    The gas chamber of a ring main unit is an essential component of the unit, and its welding quality directly affects the safety and service life of the ring main unit. Therefore, manufacturers of ring main units and technical personnel engaged in welding processes should pay attention to the welding techniques of the gas chamber, adopt scientific and reasonable welding methods and equipment to ensure the quality of the welding.

    II. Welding Equipment

    The welding equipment for the gas chamber of a ring main unit includes arc welding machines, gas-shielded welding machines, and laser welding machines, among others. The gas-shielded welding machine is the most widely used because it can protect the welding area from oxidation and contamination, thereby improving the quality of the welding.

    III. Welding Methods

    The main welding methods for the gas chamber include TIG (Tungsten Inert Gas) welding, MIG/MAG (Metal Inert Gas/Metal Active Gas) welding, and submerged arc welding. TIG welding is a type of inert gas welding with a melting electrode, which can produce high-quality welds and has a fast welding speed. MIG/MAG welding is a versatile gas-shielded welding method suitable for welding thicker metal materials and can produce uniform welds. Submerged arc welding is an efficient welding method that can produce larger welds and deeper penetration.

    IV. Welding Structure

    The gas chamber of a ring main unit generally adopts a box structure, and the welding methods can include longitudinal welding, transverse welding, or circumferential welding. Among them, circumferential welding is a commonly used method that can produce welds with high strength and sealing performance.

    V. Common Problems and Solutions

    1. Bubbles appeared during the welding of the gas chamber.

    Solution: Increase the gas flow or reduce the welding speed.

    1. Cracks appeared in the weld.

    Solution: Check if the welding temperature is too high or the welding speed is too fast.

    1. Weld deviation.

    Solution: Adjust the welding current, voltage, or tap the welding area.

  • AIS GIS RMU Production lines
    AIS GIS RMU Production lines

    AIS (Air Insulated Switchgear), GIS (Gas Insulated Switchgear), and RMU (Recloser or Sectionalizer) are high-voltage electrical equipment with distinct production line requirements due to their unique structural and operational characteristics. Here’s an overview of the production line equipment typically used for each:

    AIS Production Line Equipment:

    1. Assembly Jigs and Fixtures: Specific to the design of AIS components, these are used to hold parts in place during assembly.
    2. Insulation Handlers: Devices to safely handle porcelain insulators and other insulating materials to prevent damage and ensure correct placement.
    3. Circuit Breaker Assemblers: Specialized machinery to assemble the circuit breakers with precision, including the placement of contacts and mechanisms.
    4. Welding Equipment: For joining metal components of the AIS, ensuring structural integrity and durability.
    5. Coating and Painting Systems: To apply protective coatings to the AIS components to safeguard against environmental factors.
    6. Testing Stations: For conducting dielectric tests, contact resistance tests, and other functional tests to ensure the AIS meets performance standards.

    GIS Production Line Equipment:

    1. Gas Handling Systems: To manage the SF6 gas used for insulation within the GIS, including filling, evacuation, and leak testing.
    2. Module Assemblers: For assembling the gas-tight modules that make up the GIS, ensuring precision and gas-tight seals.
    3. CNC Machines: Computer Numerical Control machines for high-precision cutting and shaping of metal components.
    4. Clean Rooms: Since GIS components require a high level of cleanliness to prevent contamination, clean room environments are essential during assembly.
    5. Sealing and Gasketing Equipment: For applying seals and gaskets to ensure the gas-tight integrity of the GIS compartments.
    6. Integrity Test Systems: To perform pressure tests and verify the leak-tightness of the assembled GIS modules.

    RMU Production Line Equipment:

    1. Automated Assembly Lines: For the efficient assembly of RMU components, including automated guidance systems for positioning parts.
    2. Electronics Assemblers: Specialized for assembling the electronic control systems of RMU, including microprocessor-based controllers.
    3. Cable Management Systems: To organize and secure the wiring within the RMU for neatness and reliability.
    4. Load Test Equipment: For simulating the operational loads on the RMU to ensure mechanical and electrical stability under stress.
    5. Environmental Test Chambers: To test RMU performance under various environmental conditions such as temperature, humidity, and vibration.
    6. Calibration Tools: For calibrating the timing mechanisms and other adjustable parameters in the RMU to ensure accurate operation.

    Each of these production lines requires a combination of skilled labor, automated machinery, and stringent quality control processes to ensure that the final product meets the high standards required for high-voltage electrical applications. Additionally, safety measures are paramount throughout the production process due to the high voltages and potential hazards involved in the manufacturing of such equipment.

    Regarding the production line of AIS (Air Insulated Switchgear), GIS (Gas Insulated Switchgear), and RMU (Recloser or Sectionalizer) types of high-voltage electrical equipment, we can discuss it from the following aspects:

    1. Product Structural Features:
      • GIS equipment is widely used in power grids above 110kV due to its compact structure, space-saving, and easy maintenance. GIS equipment is divided into several gas compartments according to the different functions of each component, to meet the different pressure requirements of SF6 gas for different components.
      • AIS equipment, with porcelain casing as the equipment shell and external insulation, optimizes investment costs but occupies a larger area and is more susceptible to the impact of climatic conditions.
    2. Assembly and Testing Process:
      • The production line of high-voltage electrical equipment typically includes component preparation, assembly, wiring, insulation treatment, testing, adjustment and calibration, and packaging steps.
      • The assembly process requires high precision and strict quality control to ensure the performance and reliability of the equipment.
      • The testing phase includes functional testing and reliability testing to ensure that the equipment can work according to the expected requirements and maintain stability and durability under long-term operation or different environmental conditions.
    3. Technological Advancements:
      • Since the introduction of GIS technology in the 1960s, it has been continuously developing, maintaining high reliability while reducing material usage and cost. For example, the development of circuit breaker technology has increased capacity while reducing the number of break points, simplifying the structure, improving reliability, and reducing the use and emission of SF6 gas.
      • The use of intelligent monitoring and diagnostic tools extends the maintenance cycle and avoids unnecessary work, improving operational reliability and saving maintenance costs.
    4. Industry Chain:
      • In the ultra-high voltage industry chain, GIS, as a part of the transmission lines and equipment in the middle reaches, accounts for a significant proportion of the value in the core equipment of ultra-high voltage alternating current systems.
    5. Industry Status:
      • The production of high-voltage switchgear has been generally stable, but the growth rate is not high. The production volume of high-voltage switchgear in recent years has shown the maturity of the market and the demand for efficient and reliable equipment.

    From the above information, we can see that the production line of AIS, GIS, and RMU high-voltage electrical equipment not only focuses on the structural features and technological innovation of the products but also emphasizes the precision and reliability of the assembly and testing process to meet the demand for high-performance switchgear in modern power grid construction.

  • VS1-12 vacuum circuit breaker characteristics and production processes
    Vacuum Circuit Breaker (VCB) Assembly Production Line
    Vacuum Circuit Breaker (VCB) Assembly Production Line

    The VS1-12 vacuum circuit breaker is an indoor high-voltage switching device with the following characteristics and production processes:

    1.Applicability: It is suitable for three-phase power systems with a rated voltage of 12kV and a frequency of 50Hz, serving as protective and control electrical equipment, especially suitable for places with frequent operations.

    2.Mechanical Life: The mechanical life can reach up to 30,000 times, and the number of full-capacity short-circuit current breaking can reach 50 times.

    3.Operational Reliability: It is suitable for reclosing operations and has extremely high operational reliability and service life.

    4.Easy Maintenance: The VS1 vacuum circuit breaker (standard type) adopts a vertical insulating cylinder, and maintenance and upkeep usually only require occasional cleaning or lubrication of the operating mechanism.

    5.Structural Advantages: The VS1 vacuum circuit breaker (pole type) adopts a solid insulating structure—integrated solid-sealed pole, achieving maintenance-free operation.

    6.Installation Flexibility: The installation form in the switchgear can be either fixed or removable, and can also be installed on a frame for use.

    7.Permanent Magnetic Operating Mechanism: It uses a permanent magnetic operating mechanism, combining the electromagnet with the permanent magnet in a special way to achieve all the functions of the traditional circuit breaker operating mechanism, enhancing the reliability of the circuit breaker.

    8.Arc Extinguishing Chamber Technology: It uses a vacuum arc extinguishing chamber, with vacuum as the arc extinguishing and insulating medium, having an extremely high vacuum degree, and the medium insulation strength of the arc extinguishing chamber’s break is quickly restored, thus extinguishing the arc and achieving the purpose of breaking, as it uses magnetic field control of the vacuum arc, it has a strong and stable current breaking capability.

    9.Testing Process: Includes appearance inspection, mechanical characteristic testing, withstand voltage testing, loop resistance testing, and vacuum degree testing to ensure that the assembled circuit breaker is defect-free and meets the standards.

    10.Environmental Adaptability: It is suitable for various special environmental influences, including high ambient temperatures, low ambient temperatures, altitude, amplitude, and relative humidity.

    11.Technical Parameters: The VS1-12 vacuum circuit breaker has detailed technical parameters, such as rated voltage, rated short-circuit breaking current, rated current, etc., to ensure its performance and safety under different working conditions.

    12.Production Environment Requirements: The production environment should be free from fire, explosion hazards, severe pollution, chemical corrosion, and violent vibrations.

    These characteristics and production processes ensure the high performance, high reliability, and long life of the VS1-12 vacuum circuit breaker, making it an ideal protective and control device in the power system.

  • Gas Insulated Switchgear (GIS) Assembly Production line
    Gas Insulated Switchgear (GIS) Assembly Production line

    Utilizing an assembly line and MES (Manufacturing Execution System) in the production and testing of Gas Insulated Switchgear (GIS) offers numerous advantages. The assembly line streamlines the manufacturing process, ensuring consistent quality and reducing the likelihood of human error. It allows for a clear division of labor, enhancing efficiency and throughput. The MES system provides real-time data collection and analysis, enabling better monitoring of production status and quality control. It facilitates just-in-time inventory management, reducing storage costs and material waste. Furthermore, MES supports traceability and compliance with industry standards, which is critical for high-voltage equipment like GIS. The integration of MES with the assembly line leads to a more flexible and adaptive production environment, capable of responding quickly to changes in demand or design specifications. Overall, the combination of an assembly line and MES system results in a more reliable, efficient, and cost-effective production process for GIS.

    GIS assembly line

    Gas Insulated Switchgear (GIS) structure and production testing process are key to ensuring its high performance and reliability. Here is the general information on GIS:

    Structural Features

    1. Modular Design: GIS equipment adopts a modular design, which facilitates expansion and adaptation to different application requirements.
    2. Safe Encapsulation: All high-voltage components, such as circuit breakers, disconnectors, grounding switches, etc., are encapsulated within a metal housing, enhancing safety.
    3. High Gas Tightness: GIS equipment has good gas tightness, ensuring the stability of the internal SF6 gas, thereby safeguarding insulation and arc-extinguishing performance.
    4. Ease of Operation and Maintenance: The design takes into account the convenience of operation and ease of maintenance, including motor-operated mechanisms and the possibility of manual emergency operation.
    5. Independent Gas Compartments: Each gas compartment is independent, without gas connections, simplifying gas handling and maintenance.

    Production Testing Process

    1. Factory Assembly: GIS equipment is assembled in the factory to ensure precise fitting of components and overall stability.
    2. Gas Filling and Testing: SF6 gas is filled in the enclosed gas compartments, and leakage tests are conducted to ensure the sealing and purity of the gas.
    3. Operating Mechanism Testing: The motor-operated operating mechanisms are tested to ensure reliable operation under normal and emergency conditions.
    4. Insulation Performance Testing: The insulation performance of GIS is tested, including partial discharge testing and insulation resistance testing.
    5. Functional Testing: All functions of GIS are tested, including the opening and closing operations of circuit breakers, operations of grounding switches, etc.
    6. Type Testing: Type testing is conducted according to International Electrotechnical Commission (IEC) standards to verify the performance of GIS equipment under extreme conditions.
    7. Pre-Delivery Testing: Comprehensive testing is carried out before delivery of GIS to ensure it meets customer requirements and standards.

    Through these rigorous production testing processes, Gas Insulated Switchgear can ensure high performance, high reliability, and long service life.