北京pk10赛车开奖纪录

Power protection and automation system
  • ZK800 motor (motor) protection measurement and control device

    Three-phase AC asynchronous motors (hereinafter referred to as motors) have been widely used in various industries, and it is particularly important to ensure the safe control and economic operation of motors.
    The traditional motor secondary control circuit is usually realized by hard wiring, high cost, complex control principle and ...

  • ZK600 microcomputer integrated protection measurement and control device

    ZK600 is a comprehensive automation system integrating protection, remote control and communication developed by our company with advanced protection technology, microcomputer technology and microelectronics. It has protection, telemetry, remote signaling, remote pulse, remote adjustment, remote control, and station equipment communication , And various functions of automation systems such as dispatch communication, can ...

  • ZK600S microcomputer protection measurement and control device

    ZK600S integrated automation system is a comprehensive automation system integrating protection, remote control and communication developed by our company with advanced protection technology, microcomputer technology and microelectronics. It has protection, telemetry, remote signaling, remote pulse, remote adjustment, remote control, Automation of station equipment communication and dispatch communication ...

  • ZKDX301 microcomputer small current grounding line selection device

    In the power system, when single-phase grounding, the fault point current is small, and because the three-phase voltage of the system is still symmetrical and does not affect the normal power supply to the load, it is generally allowed to continue to operate with faults for 1-2 hours. However, for long-term operation, due to the increase of non-faulty two phase to ground voltage, it may cause thin insulation ...