Pre-control system suitable for dangerous device of transformer substation

Pre-control system suitable for dangerous device of transformer substation

  • CN 105,429,295 B
  • Filed: 11/23/2015
  • Issued: 06/02/2020
  • Est. Priority Date: 11/23/2015
  • Status: Active Grant
First Claim
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1. A precontrol system for a hazardous device of a transformer substation, comprising:

  • the starting switch is arranged on the dangerous device and used for starting the dangerous device;

    the sensor is arranged on the starting switch and used for receiving a starting signal of the starting switch;

    the alarm is connected with the sensor and used for sending out an alarm signal;

    the controller is connected with the sensor and used for receiving a starting signal of the starting switch transmitted by the sensor;

    the controller is connected with the alarm, the controller is used for turning off the alarm, when a worker turns on the starting switch, the alarm rings, the controller obtains information that the dangerous device needs to be turned on, if the dangerous device is correctly turned on, the controller directly turns off the alarm, or when the starting switch is pressed again under the condition that the dangerous device needs to be turned on, the alarm is turned off; and

    the display is connected with the controller and used for displaying the starting signal of the starting switch;

    the display is a fluorescent screen display;

    further comprising;

    the starting determining switch is positioned on one side of the starting switch, and when the dangerous device is determined to be started, the dangerous device can be started by pressing the starting determining switch;

    the alarm is arranged on one side of the dangerous device, and the dangerous device comprises special equipment, a special wiring and a special secondary circuit;

    the special wiring mode is double bus single division, whether the voltage connected with the voltage switching screen is the corresponding bus interval;

    if not, when the corresponding bus is spaced, the pre-control system is started, and the controller knows that the special wiring is in a dangerous state.

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