Hitachi Industrial Equipment Systems 72/84kV Gas Insulated Switchgear Hy-GIS
Hitachi Industrial Equipment Systems
72/84kV gas-insulated switchgear that reduces SF6 gas usage by adopting a hybrid type VCB.
Adoption of Hybrid VCB - The number of parts in the operating mechanism has been reduced by 85% compared to our conventional models, and by employing solid lubrication in all sliding parts, we have achieved grease-free operation, enhancing reliability and safety. - The reduction in the number of parts and the grease-free design have improved maintainability, realizing optimal Life Cycle Management (LCM). Safety - Safety is ensured by housing the main circuit equipment, including busbars, within a grounded, robust metal container. - It uses non-flammable SF6 gas insulation. - Even if the gas pressure drops to atmospheric pressure, the insulation performance that withstands system voltage has been confirmed. Maintainability The adoption of the hybrid VCB has reduced inspection work and extended inspection cycles. Environmental Considerations By optimizing the layout design of the storage equipment and reducing gas pressure, the amount of SF6 gas used has been decreased by 14% compared to conventional models, contributing to the realization of a sustainable society.
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basic information
- Adoption of a hybrid type VCB reduces the number of components in the operating mechanism by 85% compared to our conventional models, achieving grease-free operation. - Main circuit equipment, including busbars, is housed in a grounded metal container to ensure safety. - The non-flammable SF6 gas insulation has been confirmed to withstand system voltage even when gas pressure drops to atmospheric pressure. - Optimization of equipment layout and reduction of gas pressure have led to a 14% decrease in SF6 gas usage compared to conventional models. - Rated voltage: 72kV/84kV.
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Applications/Examples of results
It is suitable for substations and large-scale facilities. It can be utilized in electrical equipment where a balance is required between reducing maintenance burdens through extended inspection cycles and minimizing environmental impact.
Company information
Kyushu Kiden Co., Ltd. not only sells electrical and mechanical products such as air conditioning equipment, industrial machinery, air compressors, elevators, escalators, and lighting fixtures as a Hitachi sales agent, but also provides solutions that contribute to energy conservation and decarbonization (SDGs), including the currently popular solar power generation (PPA), biomass power generation, and waste heat recovery units. The company is also certified as a planner for ZEB (Net Zero Energy Building), which has recently gained attention in corporate energy-saving measures, and has received great acclaim for its comprehensive energy-saving proposals for entire buildings. 【Service Areas】 - Fukuoka, Saga, Kumamoto, Oita, Yamaguchi, Hiroshima, Osaka 【Major Qualifications】 - First-Class Plumbing Construction Management Engineer - First-Class Electrical Work Construction Management Engineer - Designated Construction Industry Supervisory Engineer (Plumbing) - Designated Construction Industry Supervisory Engineer (Electrical Work) - First-Class Electrician - Chief Technician for Water Supply Equipment Construction - First-Class Refrigeration and Air Conditioning Equipment Construction Skill Technician - Building Equipment Engineer - First-Class Civil Engineering Construction Management Engineer - Third-Class Refrigeration Machinery Manufacturing Safety Manager - Refrigeration and Air Conditioning Construction Safety Management Certificate - Refrigerant Handling Technician Certificate - First-Class Hitachi Refrigeration and Air Conditioning Technician (Air Conditioning and Low Temperature) - And many others.
