Redundancy control protection system
A technology of control protection and protection system, applied in the direction of electrical components, circuit devices, etc., can solve the problems of increasing false trips in DC systems, prone to false actions, and low protection reliability, so as to reduce the risk of false trips and improve reliability. Effect
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[0028] Example 1:
[0029] Such as figure 1 As shown, the invention of this example is a redundant control and protection system. The system includes a station level and an equipment level; the equipment level includes a bipolar control level, a unipolar control level, and a converter valve control level; the station Stage, unipolar control stage, and converter valve control stage are connected in order; the station-level communication is connected to the bipolar control stage, and the output of the bipolar control stage is communicatively connected to the output of the converter valve control stage;
[0030] The station level is used to receive control command signals from the operator control system (OWS) or remote control system (GWS) to complete control and operation. All these control operations are designed with safe and reliable interlocking functions to ensure The normal operation of the system and equipment and the personal safety of operating personnel. The bipolar cont...
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