Check patentability & draft patents in minutes with Patsnap Eureka AI!

A hierarchical protection method based on epon

A layered, protective layer technology, applied in the electric power field, can solve the problem of unresearched distribution network line protection, and achieve the effect of improving the protection and control performance.

Active Publication Date: 2018-11-02
YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still no research on the protection of distribution network lines, and traditional protection equipment such as separate optical fiber longitudinal difference protection or longitudinal distance protection is still required for the protection of tie lines between main network substations

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
  • A hierarchical protection method based on epon

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Such as figure 1 A kind of hierarchical protection method based on EPON shown, comprises the following steps:

[0025] Step 1: Use a hierarchical protection system to control the protection at all levels of the substation. The hierarchical protection system includes an in-situ protection layer, a station domain protection layer and a regional protection layer;

[0026] The on-site protection layer includes all protections located within a substation compartment and all on-site intelligent acquisition control terminals 1 located within the substation compartment;

[0027] The station domain protection layer includes the station domain protection host 2, all inter-interval protections in the substation and all on-site intelligent collection and control terminals 1 set in the relevant intervals;

[0028] The regional protection layer includes the regional protection host 3, all the protections on the connection between the two substations and all the regional intelligent ...

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 discloses an EPON-based layered protection method and belongs to the technical field of electric power. An EPON-based layered protection system comprises an on-site protection layer, a station protection layer and an area protection layer, wherein the on-site protection layer is used for fulfilling on-site protection functions such as over-current and distance protection and the like that are independent of communication; the station protection layer is used for cross-interval protection in a transformer substation, and the area protection layer is used for inter-station protection; an on-site intelligent collection control terminal is used for fulfilling a collection function, a control function and an on-site protection function; the on-site intelligent collection control terminal is connected with a station protection host computer or an area protection host computer via a passive optical network.

Description

technical field [0001] The invention belongs to the technical field of electric power. Background technique [0002] In order to meet the growing demand for electricity in our country, the scale of the distribution network is constantly expanding, the topology structure is becoming more and more complex, and the requirements for relay protection are getting higher and higher. At present, the protection in the traditional distribution network generally adopts staged overcurrent protection. With a large number of distributed generators connected, the power flow direction changes randomly, and the fault current level is greatly affected by the operating conditions. It is becoming more and more difficult for the existing overcurrent protection to adapt to these changes. As a result, it is more and more difficult to set the traditional backup protection value, not only the action time is prolonged, but also the situation that the cooperation between the upper and lower levels ca...

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
Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/26H02H1/00
CPCH02H1/0061H02H7/263
Inventor 吉德志徐佳王致陈益徐宇陈铭李昆华李勇杨鹏杰余章和翔宇孙西欧阳劲松甘龙唐强李芳洲王若丞宋庆林李国斌蒋正杰卢兰静杨柳马永莲李磊李卫周瀛曹俊峰张南辉张国武袁鸿斌潘卫东郎妙文李钢宋庆文立潘巍阎定强李明钢蒋羽鹏田彪李寿银李辉
Owner YUNNAN POWER GRID CO LTD KUNMING POWER SUPPLY BUREAU
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com