System for carrying out closed loop test by utilizing transmission system converter transformer protector and corresponding method

A technology for converter transformers and protection devices, which is applied in the direction of circuit breaker testing, measuring devices, and measuring electrical variables. It can solve problems such as lack of, limited test types, and difficulty in finding signal sources, and achieve simple operation and flexible testing. Effect

Inactive Publication Date: 2010-12-15
POWER GRID TECH RES CENT CHINA SOUTHERN POWER GRID
View PDF0 Cites 18 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, there is still a lack of effective inspection methods for converter transformer protection devices at home and abroad. The traditional converter transformer protection inspection methods have inherent defects. , it is difficult to simulate converter transformers with different struc

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • System for carrying out closed loop test by utilizing transmission system converter transformer protector and corresponding method
  • System for carrying out closed loop test by utilizing transmission system converter transformer protector and corresponding method
  • System for carrying out closed loop test by utilizing transmission system converter transformer protector and corresponding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0023] The structure diagram of the present invention is as figure 1 As shown, the system for carrying out the closed-loop test of the power transmission system converter transformer protection device of the present invention includes a real-time simulation workstation 8 for establishing a real-time simulation model of a DC transmission system, an RTDS real-time digital simulator 9 for real-time calculation of the simulation model, and a simulation Quantity output board 10, power amplifier 11, converter transformer protection device 12, digital quantity output board 13, digital quantity input board 14, DC transmission control and protection device 15, among which real-time simulation workstation 8 and RTDS real-time digital simulator 9 connection, the RTDS real-time digital simulator 9 sends the current and voltage signals to the converter transformer protection device 12 through the analog output board 10 and the power amplifier 11, and the RTDS real-time digital simulator 9 s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a system for carrying out closed loop test by utilizing transmission system converter transformer protector and a method thereof. The system comprises a real-time simulation workstation of a direct current transmission system real-time simulation model, an RTDS real-time digital simulator carrying out real-time calculation on the simulation model, an analog quantity output card, a power amplifier, a converter transformer protector, a digital quantity output card, a digital quantity input card and a direct current transmission control protector; wherein the real-time simulation workstation is connected with the RTDS real-time digital simulator, the RTDS real-time digital simulator transmits current and voltage signals to the converter transformer protector by virtue of the analog quantity output card and the power amplifier, and the RTDS real-time digital simulator transmits a gear signal of the tap of the converter transformer to the converter transformer protector, the converter transformer protector transmits tripping and alarm signals to the RTDS real-time digital simulator by virtue of the digital quantity input card, and the direct current transmission control protector is connected with the RTDS real-time digital simulator. The system test of the invention is flexible, and multiple tests can be carried out. The test method of the invention is simple to operation and is convenient and practical.

Description

technical field [0001] The invention relates to a system and method for performing closed-loop test on a converter transformer protection device in a power transmission system, in particular to a system and method for performing a real-time digital closed-loop test on a converter transformer protection device in a double 12-pulse direct current transmission system, which belongs to the power transmission system converter Transformation technology of system and method for closed-loop test of DC transformer protection device. Background technique [0002] The converter transformer is the key equipment for AC-DC conversion in the DC transmission system. The safe and stable operation of the converter transformer is of great significance to improve the reliability and availability of the DC system. Converter transformer protection As the protection device of the converter transformer, its performance directly affects the safe and stable operation of the converter transformer and ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01R31/00G01R31/327
Inventor 欧开健
Owner POWER GRID TECH RES CENT CHINA SOUTHERN POWER GRID
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap