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Beidou short message-based measurement data compression transmission method of wire area measurement system (WAMS)

A Beidou short message and transmission method technology, which is applied in the field of WAMS measurement data compression transmission, can solve the problem of occupying a large disk space, and achieve the effect of enhancing high precision and improving efficiency

Inactive Publication Date: 2020-01-24
STATE GRID LIAONING ELECTRIC POWER RES INST +2
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AI Technical Summary

Problems solved by technology

Since the dynamic data of WAMS has the characteristics of high speed, high density, and high precision, each monitoring point transmits 50 or even 100 frames of dynamic data per second on average. For large power grids, the generated data is massive and will take up lots of disk space

Method used

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  • Beidou short message-based measurement data compression transmission method of wire area measurement system (WAMS)
  • Beidou short message-based measurement data compression transmission method of wire area measurement system (WAMS)
  • Beidou short message-based measurement data compression transmission method of wire area measurement system (WAMS)

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Embodiment Construction

[0043] The invention relates to a method for compressing and transmitting WAMS measurement data based on Beidou short messages. The monitoring system includes a PMU, a Beidou short message communicator at a monitoring end, a Beidou satellite, a Beidou short message communicator at a monitoring end, and a power grid monitoring center host. Among them: PMU is a power system synchrophasor measurement device used for synchronous measurement and output and dynamic recording. The Beidou short message communicator at the monitoring end is connected to the Beidou short message communicator at the monitoring end through the data transmission channel of the Beidou satellite, and the Beidou short message communicator at the monitoring end is connected to the host computer of the power grid monitoring center.

[0044] The core features of the PMU include synchronized phasor measurement based on a standard clock signal, loss of time keeping ability of the standard clock signal, real-time co...

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Abstract

The invention relates to the technical field of measurement data compression transmission of a wire area measurement system (WAMS), in particular to a Beidou short message-based measurement data compression transmission method of the WAMS. The Beidou short message-based measurement data compression transmission method is a Beidou short message-based research method capable of transmitting a largeamount of main data of a power grid in real time. The Beidou short message-based measurement data compression transmission method comprises the steps of compressing and transmitting a byte space of adata frame of monitoring data by a PMU; acquiring on-line monitoring data on the PMU, and decompressing the on-line monitoring data; monitoring a working condition of monitoring end equipment of a monitoring system on line; and remotely configuring a parameter of the monitoring end equipment of the monitoring system. By the Beidou short message-based measurement data compression transmission method, high efficiency of big data transmission can be improved, and high accuracy of a transmission result is improved; and data on the power grid measured by the PMU in a substation is compressed to form a binary code, the binary code is sent to a Beidou short message server by a communication system, program decoding decompression is performed in a control center after receiving of a satellite navigation system, real-time monitoring of the power grid is finally achieved, and real-time data detection of the PMU during normal running of a power system is ensured.

Description

technical field [0001] The invention relates to the technical field of compressed transmission of WAMS measurement data, in particular to a method for compressed transmission of WAMS measurement data based on Beidou short messages, in particular to a research method based on Beidou short messages capable of transmitting large amounts of main data of power grids in real time. Background technique [0002] The Beidou satellite navigation system is a Beidou satellite navigation system built and operated by China itself. It is open and independent, and can independently provide high-precision, high-reliability positioning, navigation, and timing services for all types of users around the world. , and has short message communication capability, positioning accuracy of 10 meters, speed measurement accuracy of 0.2 m / s, and timing accuracy of 10 nanoseconds. [0003] WAMS (Wide Area Measurement System) wide-area monitoring system adopts the synchronous phase angle measurement techno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C17/02H04W4/14H04W28/06H04B7/185H02J13/00
CPCG08C17/02H04B7/18513H04W4/14H04W28/06
Inventor 蔡玉朋李江张武洋王同王英明孔剑虹卢盛阳史松杰楚天丰吴蒙
Owner STATE GRID LIAONING ELECTRIC POWER RES INST
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