Communication interface and communication device and method of direct-current control system and stability control device,
A technology of a DC control system and a stabilization control device, which is applied in the field of communication, can solve problems such as the inability of the stabilization control device to issue abnormal blocking signals, and achieve the effect of eliminating major safety hazards and ensuring safe and stable operation.
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Embodiment 1
[0033] figure 1 It is a frame diagram of the communication device of the DC control system and the stability control device described in the embodiment of the present invention, figure 2 It is another frame diagram of the communication device between the DC control system and the stability control device described in the embodiment of the present invention.
[0034] Such as figure 1 As shown, the embodiment of the present invention provides a communication device for a DC control system and a stability control device, which is applied to a high-voltage direct current transmission system. The high-voltage direct current transmission system includes two pole control PCPs for pole 1 and pole 2 of the converter station, The stabilizing control device SSC and the DC station control SCC, the communication device between the DC control system and the stabilizing device includes a first communication unit 10, a second communication unit 20 and a control unit 30;
[0035] The firs...
Embodiment 2
[0044] The embodiment of the present invention also provides a communication method between a DC control system and a stabilizing device, which is applied to a high-voltage direct current transmission system, including: based on the above-mentioned communication device between a DC control system and a stabilizing device, if the DC station controller receives a change The two pole controllers of the flow station both stop working abnormally and the corresponding positive or negative poles of the two pole controllers are in the non-unlocked state. The control unit controls the operation of the second communication unit and transmits the communication signal on the DC station controller to the steady state. control device.
[0045] It should be noted that the communication signal is a signal that the positive pole or the negative pole of the converter station in the HVDC power transmission system is very blocked.
[0046] image 3 It is a communication signal transmission frame...
Embodiment 3
[0052] An embodiment of the present invention provides a communication interface, which is applied to a high-voltage direct current transmission system, and includes the above-mentioned communication device for a direct current control system and a stability control device.
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