CN106526525A - Transformer secondary side monitoring method based on SCD modeling - Google Patents

Transformer secondary side monitoring method based on SCD modeling Download PDF

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Publication number
CN106526525A
CN106526525A CN201610887280.1A CN201610887280A CN106526525A CN 106526525 A CN106526525 A CN 106526525A CN 201610887280 A CN201610887280 A CN 201610887280A CN 106526525 A CN106526525 A CN 106526525A
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CN
China
Prior art keywords
transformer
scd
monitoring
messages
relay protection
Prior art date
Application number
CN201610887280.1A
Other languages
Chinese (zh)
Inventor
宋杰
鲍伟
周健
沈冰
周德生
曾平
邹晓峰
朱奕帆
徐洁
Original Assignee
国网上海市电力公司
华东电力试验研究院有限公司
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Application filed by 国网上海市电力公司, 华东电力试验研究院有限公司 filed Critical 国网上海市电力公司
Priority to CN201610887280.1A priority Critical patent/CN106526525A/en
Publication of CN106526525A publication Critical patent/CN106526525A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the preceding groups
    • G01R35/02Testing or calibrating of apparatus covered by the preceding groups of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Abstract

The invention relates to a transformer secondary side monitoring method based on SCD modeling, which is used for realizing state monitoring of a transformer secondary side through managing an SCD file. The transformer secondary side monitoring method comprises the steps of: implementing supplement of a transformer secondary side model according to the SCD file; analyzing the SCD file to obtain a corresponding relationship between the transformer secondary side model and a relay protection system; receiving an SV message, and determining a relay protection system range affected by anomalies of the transformer secondary side according to the SV message and the corresponding relationship between the transformer secondary side model and the relay protection system; and carrying out visual demonstration on the relay protection system range affected by anomalies of the transformer secondary side. Compared with the prior art, the transformer secondary side monitoring method based on SCD modeling has the advantages of precise monitoring, simple implementation, intuitive demonstration result and the like.

Description

A kind of transformer secondary monitoring method modeled based on SCD
Technical field
The present invention relates to technical field of power systems, more particularly, to a kind of transformer secondary monitoring modeled based on SCD Method.
Background technology
With the propulsion based on IEC61850 Substation Automation System engineer applieds, the connection of substation secondary device IED Connect mode and traditional cable connection instead of by optical-fibre communications, the SV message realities that the access of analog signalses is produced by combining unit Existing, by GOOSE, (Generic Object Oriented Substation Event, towards general object for the association of function Transformer substation case) realize, transformer station secondary system by SCD (Substation Configuration Description, become Power station configuration description) file covers.Due to the effect on driving birds is not good of recent intelligent substation electronic mutual inductor engineer applied, occur in that Routine transformer adds the application model of combining unit, but does not have as the transformer secondary of relay protection system part It is included in existing SCD file, operation, maintainer cannot realize transformer secondary by the management for SCD file Status monitoring, makes troubles to substation operation management so that the secondary system of intelligent substation management based on SCD has lacked weight Want link.
The content of the invention
The purpose of the present invention is to provide a kind of transformer secondary monitoring method modeled based on SCD for the problems referred to above.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of transformer secondary monitoring method modeled based on SCD, for realizing mutual inductance by the management for SCD file The secondary status monitoring of device, it is characterised in that the content of the SCD file includes transformer secondary model, and methods described includes The following steps:
1) supplement of transformer secondary model is realized according to SCD file, and the transformer secondary model is specially:
The incidence relation of combining unit analog acquisition and current/voltage transformer secondary is specified, is agreed as follows:
In combining unit MU, the desc property values of the DO of the corresponding collection current data of TCTR are about set to " current data name Title _ secondary transformer title _ secondary transformer precision grade ";
In combining unit MU, the desc property values of the DO of the corresponding collection voltages data of TVTR are about set to " voltage data name Title _ voltage transformer secondary title _ voltage transformer secondary precision grade ";
2) SCD file is parsed, obtains the corresponding relation of transformer secondary model and relay protection system;
3) SV messages being received, according to SV messages and step 2) the transformer secondary model that obtains is right with relay protection system Should be related to, determine the relay protection system scope of transformer secondary anomalous effects;
4) visual presentation is carried out to the relay protection system scope of transformer secondary anomalous effects.
The step 1) it is specially:
11) SCD file is determined according to manual command, and generates download instruction;
12) SCD file is received according to download instruction;
13) according to SCD file, determine the position of transformer secondary model, supplement sets up transformer secondary model.
The parsing SCD file is specially:SCD file is parsed by SCL tag search technology.
The step 3) it is specially:
31) SV messages are received, and SV messages is pre-processed;
32) pretreated SV messages and transformer secondary model are matched with the corresponding relation of relay protection system, Determine the relay protection system scope of transformer secondary anomalous effects.
It is described that SV messages are pre-processed specially:Reflect the SV messages of transformer secondary state in extracting SV messages.
The instrument of the visual presentation include iCharts, Fusion Charts Suit XT, Modest Maps or Chartkick。
Compared with prior art, the invention has the advantages that:
(1) content of SCD file includes that transformer secondary model is supplemented in transformer secondary compared with primary standard file Model, can set up the incidence relation of substation secondary device and transformer secondary then, compensate for operation, maintainer cannot By realizing the defect of the state-detection of transformer secondary for the management of SCD file.
(2) SCD file is parsed by SCL tag search technology, resolution speed is fast, parses high precision, saves transformer The time of secondary monitoring, while also improve the precision of transformer secondary monitoring.
(3) SV messages are pre-processed, it is only necessary in extracting SV messages, reflect the SV messages of transformer secondary state, it is to avoid For the filtration of invalid data during subsequent match, the time of monitoring is saved.
(4) for monitoring result carries out visual presentation, relay protection system transformer is provided for operating maintenance personnel Level is abnormal and affects the basis for estimation of category, displaying to be intuitively easy to observation, the efficiency of monitoring is greatly improved.
(5) it is shown using various visual presentation instruments according to actual conditions, is shown flexibly, it is applied widely.
Description of the drawings
Fig. 1 is method of the present invention flow chart.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention be not limited to Following embodiments.
The present embodiment provides a kind of transformer secondary monitoring method modeled based on SCD, for by for SCD file The status monitoring of transformer secondary is realized in management, as shown in figure 1, the method comprises the following steps:
1) supplement of transformer secondary model is realized according to SCD file, specially:
11) SCD file is determined according to manual command, and generates download instruction;
12) SCD file is received according to download instruction;
13) according to SCD file, determine the position of transformer secondary model, supplement sets up transformer secondary model;
Above-mentioned transformer secondary model is specially:
The incidence relation of combining unit analog acquisition and current/voltage transformer secondary is specified, is agreed as follows:
In combining unit MU, the desc property values of the DO of the corresponding collection current data of TCTR are about set to " current data name Title _ secondary transformer title _ secondary transformer precision grade ";
In combining unit MU, the desc property values of the DO of the corresponding collection voltages data of TVTR are about set to " voltage data name Title _ voltage transformer secondary title _ voltage transformer secondary precision grade ";
2) SCD file is parsed, obtains the corresponding relation of transformer secondary model and relay protection system, wherein parse SCD File parses SCD file specifically by SCL tag search technology;
3) SV messages being received, according to SV messages and step 2) the transformer secondary model that obtains is right with relay protection system Should be related to, determine the relay protection system scope of transformer secondary anomalous effects, specially:
31) SV messages are received, and SV messages is pre-processed, that is, in extracting SV messages, reflect transformer secondary state SV messages;
32) pretreated SV messages and transformer secondary model are matched with the corresponding relation of relay protection system, Determine the relay protection system scope of transformer secondary anomalous effects;
4) visual presentation is carried out to the relay protection system scope of transformer secondary anomalous effects, the visual presentation Instrument includes iCharts, Fusion Charts Suit XT, Modest Maps or Chartkick.
What above-mentioned steps were realized particular by relay protection monitoring device, the device includes:Human-computer interaction module, net Network communication module, model analyzing module, message matching module, data memory module;Wherein:Wherein human-computer interaction module is obtained SCD file, and the supplement of transformer secondary model is completed, deliver to model analyzing module;Model analyzing module is searched according to SCL labels Rope technology, parses the corresponding relation of transformer secondary model and relay protection system in SCD file, and delivers to message matching mould Block;Network communication module accesses combining unit, obtains SV messages by SV nets, delivers to message matching module;Message matching module Matching receives the SV messages of reflection transformer secondary state and the transformer secondary from model analyzing module and relay protection system Message matching result is delivered to data memory module by the corresponding relation of system;Data memory module is by message matching result and mutual inductance The secondary abnormal relay protection system category correspondence for being affected of device, and result is delivered to into human-computer interaction module;Human-computer interaction module The relay protection system category affected extremely by transformer secondary is shown in visual mode, personnel provide skill for operating maintenance Art supporting method.
Wherein human-computer interaction module includes:Human-machine operation unit, data interface unit, figure display unit;It is wherein man-machine Operating unit foundation manual command, it is determined that the SCD file that need to be downloaded, and data interface unit will be reached under download instruction;Data Interface unit receives the download of SCD file, delivers to human-machine interface unit according to the download instruction from human-machine operation unit, by The supplement of transformer secondary model is accomplished manually, and Jing SCD files are delivered to into model analyzing module;Meanwhile, receive from data The relay protection system category affected extremely by the transformer secondary of memory module, delivers to figure display module;Figure shows single Unit receives the abnormal relay protection system category for being affected of transformer secondary from data interface unit, realizes visualization exhibition Show, relay protection system transformer secondary exception is provided for operating maintenance personnel and affect the basis for estimation of category.Network service Module includes:SV Network Communications unit and network data processing unit, wherein:SV Network Communications unit obtains reflection transformer secondary shape The SV messages of state, and export to network data processing unit;Network data processing unit will reflect relay protection system transformer The SV messages of secondary state deliver to model analyzing module.Model analyzing module includes:Data processing unit and model analyzing unit, Wherein:Data processing unit receives SCD file and sends into model analyzing unit, and model analyzing unit takes SCL tag search technologies, Parsing SCD file obtains the corresponding incidence relation of transformer secondary and relay protection system, delivers to message by data processing unit Matching module.Message matching module includes:Packet parsing unit, model comparing unit;Wherein message process unit receive from Network communication module reflects the SV messages of transformer secondary state, reflects the report of transformer secondary abnormality in parsing SV messages Text, and the message after parsing is delivered to into model comparing unit;Model comparing unit is by the message after parsing and from model analyzing The transformer secondary of module is matched with the corresponding relation of relay protection system extremely, determine transformer secondary it is abnormal affected after Electric protection system category, and matching result is delivered to into data memory module;Data memory module includes:Matching treatment unit, number According to memory cell;Wherein matching treatment unit receives the matching result from message matching module, delivers to data storage cell guarantor Deposit;Meanwhile, deliver to human-machine interface module;Data memory module preserve from matching treatment unit from message matching module With result, and acceptable the calling for data storage from human-machine interface module.

Claims (6)

1. it is a kind of based on SCD model transformer secondary monitoring method, for realizing transformer by the management for SCD file Secondary status monitoring, it is characterised in that the content of the SCD file includes transformer secondary model, under methods described includes Row step:
1) supplement of transformer secondary model is realized according to SCD file, and the transformer secondary model is specially:
The incidence relation of combining unit analog acquisition and current/voltage transformer secondary is specified, is agreed as follows:
In combining unit MU, the desc property values of the DO of the corresponding collection current data of TCTR are about set to " current data title _ electricity Current transformer secondary title _ secondary transformer precision grade ";
In combining unit MU, the desc property values of the DO of the corresponding collection voltages data of TVTR are about set to " voltage data title _ electricity Pressure transformer secondary title _ voltage transformer secondary precision grade ";
2) SCD file is parsed, obtains the corresponding relation of transformer secondary model and relay protection system;
3) SV messages are received, according to SV messages and step 2) the transformer secondary model that obtains pass corresponding with relay protection system System, determines the relay protection system scope of transformer secondary anomalous effects;
4) visual presentation is carried out to the relay protection system scope of transformer secondary anomalous effects.
2. it is according to claim 1 based on SCD model transformer secondary monitoring method, it is characterised in that the step 1) it is specially:
11) SCD file is determined according to manual command, and generates download instruction;
12) SCD file is received according to download instruction;
13) according to SCD file, determine the position of transformer secondary model, supplement sets up transformer secondary model.
3. it is according to claim 1 based on SCD model transformer secondary monitoring method, it is characterised in that the parsing SCD file is specially:SCD file is parsed by SCL tag search technology.
4. it is according to claim 1 based on SCD model transformer secondary monitoring method, it is characterised in that the step 3) it is specially:
31) SV messages are received, and SV messages is pre-processed;
32) pretreated SV messages and transformer secondary model are matched with the corresponding relation of relay protection system, it is determined that The relay protection system scope of transformer secondary anomalous effects.
5. it is according to claim 4 based on SCD model transformer secondary monitoring method, it is characterised in that it is described to SV Message is pre-processed specially:Reflect the SV messages of transformer secondary state in extracting SV messages.
6. the transformer secondary monitoring method modeled based on SCD according to claim 1, it is characterised in that described visual Changing the instrument for showing includes iCharts, Fusion Charts Suit XT, Modest Maps or Chartkick.
CN201610887280.1A 2016-10-11 2016-10-11 Transformer secondary side monitoring method based on SCD modeling CN106526525A (en)

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CN105116270A (en) * 2015-07-16 2015-12-02 南京国电南自电网自动化有限公司 Mutual inductor fault detection method for merging unit and protection control device
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CN103513130A (en) * 2013-09-05 2014-01-15 国家电网公司 Intelligent substation secondary equipment test platform based on all-digital real-time emulation
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Application publication date: 20170322