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  • KYN28A(Smartgear)-12(智能)铠装移开式金属封闭开关设备.webp

KYN28A(Smartgear)-12 (intelligent) armored removable metal enclosed switchgear

Smartgear intelligent armored metal enclosed switchgear (hereinafter referred to as Smartgear intelligent switchgear) is a medium voltage digital switchgear specially developed by Xiancheng Technology Co., Ltd. for intelligent substation. It is suitable for users in smart grid (opening and closing stations, power distribution rooms, etc.), data centers, hospitals, airports and other industries.
Smartgear intelligent switchgear can be customized according to the on-site environment to meet the requirements of the system of intelligent scheme, can be equipped with online monitoring, protection, control and digital system, can also be equipped with high reliability arc protection device, and can be combined with the electric into the smart cloud platform S-cloud to meet the needs of digital operation and maintenance.


  • Product Description
  • Technical features
  • Main technical parameters
    • Commodity name: KYN28A(Smartgear)-12 (intelligent) armored removable metal enclosed switchgear

    Smartgear intelligent armored metal enclosed switchgear (hereinafter referred to as Smartgear intelligent switchgear) is a medium voltage digital switchgear specially developed by Xiancheng Technology Co., Ltd. for intelligent substation. It is suitable for users in smart grid (opening and closing stations, power distribution rooms, etc.), data centers, hospitals, airports and other industries.
    Smartgear intelligent switchgear can be customized according to the on-site environment to meet the requirements of the system of intelligent scheme, can be equipped with online monitoring, protection, control and digital system, can also be equipped with high reliability arc protection device, and can be combined with the electric into the smart cloud platform S-cloud to meet the needs of digital operation and maintenance.

  • Real-time on-line monitoring and diagnosis technology

    The Smartgear intelligent switch cabinet adopts safe and reliable radio frequency technology and high-reliability sensors to collect and monitor the temperature rise of the switch equipment, the characteristics of the circuit breaker, the insulation state of the cabinet, the action state of the removable parts, and the temperature and humidity data of the environment in real time. Through data analysis, the potential faults of the switch equipment are identified in time, and early warnings are issued at the initial stage of defects to effectively prevent the further development of potential faults, greatly reduce the probability of unexpected power outages. At the same time, the real-time online monitoring and diagnosis system can provide a true and traceable operation record for the subsequent failure prediction analysis and life prediction analysis of the switchgear, and provide an effective basis for the evaluation of the health status of the equipment.

    unattended intelligent control system
    The Smartgear intelligent switch cabinet is equipped with advanced electric chassis car and electric grounding switch, which can realize remote operation of movable parts of switch equipment and programmed (one-key sequence control) operation of station control layer, greatly simplify the operation steps of switch equipment, effectively prevent the occurrence of misoperation, ensure the safety of operation and maintenance personnel, and improve work efficiency.

    Digital Applications Based on Electronic Sensors
    Smartgear intelligent switch cabinet can be used without iron core current, voltage sensor to replace the traditional transformer. The traditional current transformer, subject to the problem of core saturation, can only be designed and purchased according to the actual demand, while the coreless current sensor adopts the principle of Rogowei coil and the linear output of the second makes it suitable for various loads. Similar to the current sensor, the voltage sensor also adopts the principle of ironless resistance voltage division, which is not affected by the resonance of the system and does not need the protection of the fuse. The application of electronic sensors has brought great progress for the safety and reliability of power system.

  • Name Unit Parameters
    Rated voltage kV 12
    Rated frequency Hz 50
    Rated current A 630、1250、1600、2000、2500> 3150、 4000
    Rated insulation level Rated short-time (Imin) power frequency withstand voltage (phase-to-phase and ground, vacuum fracture/isolation fracture) kV 42/48
    Rated lightning impulse withstand voltage (phase-to-ground, vacuum fracture/isolation fracture) kV 75/85
    Short-time power frequency withstand voltage of auxiliary circuit V 2000
    Rated short-time withstand current (main circuit) kA 20、25、31.5、40
    Rated short-time withstand current duration (main circuit) S 4
    Rated short-time withstand current duration (ground loop) S  
    Rated short-circuit closing current (peak) kA 50、 63、 80、 100
    Rated short-circuit breaking current kA 20、25、31.5、40
    Degree of protection (enclosure/compartment) / IP4X/IP2X
    Partial discharge upper limit (1.1Ur) PC 20

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