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Signal communication delay analog method for digital simulation

An analog signal and digital simulation technology, applied in software simulation/interpretation/simulation, simulator, general control system, etc., can solve problems such as the use of resources, the geographical distance of the converter station, etc., to improve accuracy and facilitate model building work , the effect of meeting the needs of scientific research

Active Publication Date: 2015-03-04
NR ELECTRIC CO LTD +2
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Problems solved by technology

[0005] The inter-station communication is similar to the intra-station inter-pole communication, but due to the geographical distance of the converter station, the signal needs to use the long-distance communication system

Method used

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  • Signal communication delay analog method for digital simulation
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  • Signal communication delay analog method for digital simulation

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Embodiment Construction

[0017] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 As shown, in the digital simulation software, define the communication delay module. In the figure, IN_SIG is the input signal; OUTP_SIG is the output signal; TCOM_OK is the communication status signal; T_DELAY is the signal transmission delay time; DATA_TP is the data type selection of the signal; DIMEN is the number (dimension) of the input signal IN_SIG. The TCOM_OK signal controls the communication state, which can be switched between normal and interrupted states arbitrarily; T_DELAY controls the transmission delay time, the unit is ms, and the upper limit of the delay time is 128 simulation steps. According to the actual transmission delay, set the corresponding delay DATA_TP defines the signal data type, and sets whether the data transmitted by the delay module is floating-point or in...

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Abstract

The invention provides a signal communication delay analog method for digital simulation. The method comprises the steps of building a communication delay control module, wherein the communication state and the delay time are configurable parameters; changing the communication state parameters, performing analog for the circumstance of signal communication delay under normal communication and communication suspending; configuring transmission delay time parameter according to different transmission delay times of each part of an actual system, wherein the transmission signal data are of integral or floating point type; the communication delay of the signals of the floating point type and the integral type under the same delay time are subjected to analog at the same time or by groups; the communication delay of a plurality of signals of the same data type is subjected to analog at the same time or by groups. With the adoption of the method, the signal communication delay of the actual system can be subjected to analog, and thus the model accuracy is improved.

Description

technical field [0001] The invention belongs to the technical field of power system digital simulation, in particular to a method for delaying analog signal communication in digital simulation. Background technique [0002] In order to cope with the failure analysis of power system failures and to meet the research needs of setting value setting and theoretical research, many large-scale power transmission projects, especially DC power transmission projects, will use digital simulation software to analyze the entire project (including power system network, power components, etc.) , control and protection system, etc.) to carry out mathematical modeling and build a digital simulation model. The power transmission engineering system is huge, and the accuracy of modeling determines whether the digital simulation model can reflect the real response of the power transmission project and whether it can meet the actual needs of the power transmission project. The control and prote...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02G06F9/455
Inventor 肖建民张翔程璐璐李敏焦鑫艳黄志岭
Owner NR ELECTRIC CO LTD
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