Method and device for compressing data frames of substation
A compression method and compression device technology, applied in the field of substations, can solve the problems of not being able to balance compression efficiency and compression speed, and occupying a lot of CPU resources
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Embodiment 1
[0036] figure 1A flow chart of a method for compressing substation data frames provided in the first embodiment of the present invention is shown. In this embodiment, the sequence of data frames with the same non-valid data is compressed, and the details are as follows:
[0037] In step S11, the data frame sequence of the substation is monitored, and the first data frame in the data frame sequence is stored.
[0038] In this embodiment, it is detected whether the substation data frame sequence is received, such as detecting whether the IEC61850 data frame sequence is received, and if the first data frame is received, the data frame is directly stored, including storing the frame number of the data frame, Non-valid data and sampled data, etc.
[0039] In step S12, it is judged whether the non-valid data of the current data frame is the same as the non-valid data of the previous data frame, if yes, obtain and store the data difference between the current data frame and the prev...
Embodiment 2
[0060] figure 2 A structural diagram of the apparatus for compressing substation data frames provided by the second embodiment of the present invention is shown, and for convenience of description, only parts related to this embodiment are shown.
[0061] The compression device of the substation data frame can be used for various information processing terminals connected to the server through a wired or wireless network, such as computers, notebook computers, etc., which can be software units, hardware units or a combination of software and hardware running in these terminals The unit can also be integrated into these terminals as an independent pendant or run in the application system of these terminals, where:
[0062] The first data frame storage unit 21 is used for monitoring the data frame sequence of the substation, and storing the first data frame in the data frame sequence.
[0063] In this embodiment, directly storing the first substation data frame received includ...
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