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Closed-loop simulation system for optical measurement of direct-current power transmission engineering

A technology of direct current transmission and closed-loop simulation, applied in transmission systems, digital transmission systems, design optimization/simulation, etc., can solve problems such as distortion and unreliability of test results, and achieve simple implementation methods, strong output capabilities, and safe and convenient operations Effect

Pending Publication Date: 2020-10-30
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Benefits of technology

This patented technology allows for accurate measurements on AC power systems without being affected by external factors like temperature or humidity changes over time. Its technical effect includes improved control capabilities during faults caused by abnormal voltage levels or currents flowing through them while also providing better overall monitoring functionality.

Problems solved by technology

This patented describes different ways to connect and use optically measurable measurements to quickly verify the function and reliance of certain types of industrial optics such as flexible direct current transfer (FDCT). These techniques involve connecting opticals called optoelectronic modules together at specific points along its length without disconnecting any other components during testing. However, these conventional open loop simulations lack accuracy when analyzed accurately compared to modern digital tools like Optical Current Transform (OCC), allowing potential issues related to instabilities caused by external factors affecting the connection between the module's photocoupler terminals.

Method used

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  • Closed-loop simulation system for optical measurement of direct-current power transmission engineering
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  • Closed-loop simulation system for optical measurement of direct-current power transmission engineering

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Embodiment Construction

[0035] An embodiment of the present invention provides a closed-loop simulation system for optical measurement of a direct current transmission project to solve the technical problems of distortion and unreliability of optical measurement test results in a direct current transmission project.

[0036] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used ...

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Abstract

The invention provides a closed-loop simulation system for optical measurement of direct-current power transmission engineering. The closed-loop simulation system comprises a real-time digital simulator, an optical measurement simulation interface, a merging unit and a control protection device; the real-time digital simulator simulates multiple paths of electrical quantity signals of optical measurement of the direct-current power transmission project, and outputs the multiple paths of electrical quantity signals to the optical measurement simulation interface through a simulation communication protocol; the optical measurement simulation interface converts the simulation communication protocol into a communication protocol actually used by an optical measurement direct-current power transmission project; the merging unit merges and synchronizes the multiple paths of electric quantity signals and outputs the processed electric quantity signals to the control protection device; and thecontrol protection device receives the electric quantity signal sent by the merging unit. Accurate simulation of a high-speed sampling link of direct-current power transmission engineering optical measurement is realized, high-sampling-frequency electrical quantity can be output to an engineering optical transformer merging unit, direct-current engineering rapid protection test requirements are met, and the realization method is simple and convenient to operate.

Description

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Claims

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Application Information

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Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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