CN102570391A - Configuration realization method for transformer protection - Google Patents
Configuration realization method for transformer protection Download PDFInfo
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- CN102570391A CN102570391A CN2012100643168A CN201210064316A CN102570391A CN 102570391 A CN102570391 A CN 102570391A CN 2012100643168 A CN2012100643168 A CN 2012100643168A CN 201210064316 A CN201210064316 A CN 201210064316A CN 102570391 A CN102570391 A CN 102570391A
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- protection
- transformer
- main transformer
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- differential
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
Abstract
The invention discloses a configuration realization method for transformer protection. A transformer protection device is arranged in situ, and realizes the functions of differential protection, backup overcurrent protection, main transformer automatic switching and the like through a sampled measured value (SMV) network and a generic object oriented substation event (GOOSE) network. The transformer protection device integrating main protection and backup protection comprises differential protection configuration, backup overcurrent protection configuration and main transformer automatic switching configuration, wherein the backup overcurrent protection on each side is independent of the running state of the transformer protection on an opposite side, is realized by performing calculation according to the magnitude of current acquired by the protection on each side through an alternating current plug-in on the local side, and can act and trip to cut off a switch on the local side when the protection device on the opposite side normally runs and the differential protection on the local side is locked; and when the transformer differential or non-electricity protection of a running interval acts and trips, the main transformer automatic switching is started, and an automatic switching closing command is transmitted to the main transformer protection of a standby interval through the GOOSE network to realize the main transformer automatic switching function.
Description
Technical field
The present invention relates to a kind of tranformer protection configuration implementation method, and the protective device that adopts this method.
Background technology
Tranformer protection one general configuration differential protection and backup protections etc. in the digital transformer substation at present, group screen is installed in the protection cell.Protection calculate required high and low pressure side of ac be by both sides independently the merge cells device will change into the IEC61850-9-2 standard agreement through the of ac that routine exchanges head or the collection of IEC60044-8 agreement and send to the tranformer protection acquisition.Tranformer protection is only accepted AC signal and is not taken on sending function.When the either side merge cells breaks down; The backup protection of differential protection and this side is just by locking; And have when unusual when the CPU board of tranformer protection, all defencive functions are all with locking, and fault can not be excised; Can only realize failure removal by the backup protection of upper level, reduce fault incidence.
In addition, main transformer is hauled oneself willingly into function and is remained and realized by backup auto-activating device independently.Present tranformer protection collocation method can not be implemented in and dispose the target that main transformer is hauled oneself willingly into function in the tranformer protection.
Summary of the invention
The objective of the invention is: in order to cancel independently merge cells, realize the installation on the spot of tranformer protection and realize that in tranformer protection main transformer hauls oneself willingly into function, the invention provides a kind of tranformer protection configuration implementation method.
The technical scheme that the present invention takes is: a kind of tranformer protection configuration implementation method; It is characterized in that: tranformer protection is installed on the spot; Respectively join the tranformer protection of a main back protection one at the high and low pressure side of transformer, realization comprises differential protection, reserve overcurrent protection, main transformer and function such as hauls oneself willingly into the GOOSE net through SMV.The tranformer protection of main back protection one comprises differential protection, reserve overcurrent protection and main transformer and hauls oneself willingly into configuration;
The reserve overcurrent protection of each side is independent, promptly is independent of the running status of offside tranformer protection; Overcurrent protection is to calculate through the magnitude of current that this top-cross stream plug-in unit is gathered to realize, is gathered the magnitude of current of this side by each side protection and realizes, when offside protective device operation exception, during the differential protection of this side of locking; The reserve overcurrent protection of this side can be excised the switch of this side by would trip;
When moving interval transformer differential or non electrical quantity protection action and tripping operation, main transformer is hauled oneself willingly into startup, hauling oneself willingly into combined floodgate order to the main transformer at subsequent use interval through the transmission of GOOSE network and hauling oneself willingly into protection, realizes hauling oneself willingly into of main transformer.
When moving interval transformer differential or non electrical quantity protection action and tripping operation, main transformer is hauled oneself willingly into startup, hauling oneself willingly into combined floodgate order to the main transformer at subsequent use interval through the transmission of GOOSE network and hauling oneself willingly into protection, realizes hauling oneself willingly into of main transformer.
Said differential protection calculates the required magnitude of current and is collected by the protective device of both sides; The of ac of this side is gathered in each side protection through conventional interchange plug-in unit; And be converted into the AC signal of following the IEC61850-9-2 standard agreement and utilize the optical-fibre channel of SMV (GOOSE) plug-in unit to mail to offside; Receive the offside of ac that offside is brought through the IEC61850-9-2 standard agreement through SMV (GOOSE) plug-in unit simultaneously; The point-to-point electric current that sends of this side electric current that this side will be gathered and offside carries out synchronously, and the of ac that forms synchronization carries out differential protection and calculates, thereby realizes differential protection.
Said this rear flank is equipped with the running status that overcurrent protection is independent of the offside tranformer protection; Overcurrent protection is to calculate through the magnitude of current that this top-cross stream plug-in unit is gathered to realize; Make the backup protection of this side only depend on the running status of this side protective device; When the protection of offside occurs unusually when out of service, the backup protection of this side still can would trip, the excision fault.
Main transformer is hauled oneself willingly into by tranformer protection and is realized through the GOOSE network; This interval tranformer protection receives the quantity of state that subsequent use interval tranformer protection sends through the GOOSE network; When this interval differential protection or non electrical quantity protection action and tripping operation, do not have stream and this side switch when jumping the position; This interval differential protection haul oneself willingly into startup, can select to export the GOOSE that closes block switch or close the spare transformer low-pressure side order of closing a floodgate through " hauling oneself willingly into the time-delay definite value of closing a floodgate " time-delay; The transformer low voltage protective device of subsequent use interval transformer or sectionalised protection device receive the order of GOOSE combined floodgate and carry out simultaneously, thereby realize the function of hauling oneself willingly into of main transformer.
Each installs a tranformer protection on the spot the transformer both sides; This top-cross stream head is gathered the magnitude of current of this side and is converted into light mouth point-to-point the send to offside of IEC61850-9-2 standard agreement through SMV (GOOSE) plug-in unit; Receive the electric current SV that offside sends over simultaneously, utilize the GOOSE function of SMV (GOOSE) plug-in unit to receive, send signals such as GOOSE breaker tripping and closing order and protection action.Promptly thereby this scheme is exactly to utilize fiber optic network to realize protecting the transmission of the required of ac of differential calculating to realize differential protection calculating, also utilizes simultaneously fiber optic network to realize that main transformer hauls oneself willingly into transmission and the transmission that breaker tripping and closing are ordered of state information of of ac and the switch at required interval.
The transformer high and low pressure side respectively is equipped with the tranformer protection of a main back protection one on the spot.Protection comprises differential protection, reserve overcurrent protection and main transformer and functional configuration such as hauls oneself willingly into: this side through this side of interchange plug-in unit collection of routine analog quantity and be converted into the AC signal of following the IEC61850-9-2 standard agreement and utilize the optical-fibre channel of SMV (GOOSE) plug-in unit to mail to offside, the offside of ac of bringing through the IEC61850-9-2 standard agreement through SMV (GOOSE) plug-in unit reception offside simultaneously.This side forms the required of ac of differential protection calculating in the back synchronously with the offside sampled value, thereby realizes differential protection; The reserve overcurrent protection of each side is independent, is gathered the magnitude of current of this side by each side protection and realizes, when offside protective device operation exception, during the differential protection of this side of locking, the backup protection of this side can also be moved the switch of this side of excision; When operation interval transformer differential or non electrical quantity protection action and tripping operation, main transformer is hauled oneself willingly into startup, sends main transformer protection that hauling oneself willingly into combined floodgate order to subsequent use interval through the GOOSE network, realizes the function of hauling oneself willingly into of main transformer.
Mechanism of the present invention is to utilize the offside sampling delayed data of SV point-to-point transmission to combine the delayed data of the sampling processing of this side that this is carried out Synchronous Processing to lateral current magnitude, carries out differential protection calculating with the magnitude of current synchronously.Main transformer is hauled oneself willingly into function, and then to be main transformer protective device at interval with the analog quantity at this interval convert to has or not pressure, have or not quantity of state such as stream; With position of the switch state; Send to another main transformer protection through the GOOSE network, receive order of GOOSE combined floodgate and execution simultaneously.
The invention has the beneficial effects as follows: the realization main transformer protection is installed on the spot; Thereby sampling of conventional interchange head and SV net transmission offside AC sampling are cancelled independently merge cells device; Haul oneself willingly into through GOOSE network realization main transformer, cancel independently main transformer automatic bus.The reserve overcurrent protection is not influenced by offside device running status, and under the situation of a side device abnormal obliteration differential protection, the reserve overcurrent protection of opposite side still can be moved the excision fault.
Description of drawings
Fig. 1 is a tranformer protection configuration implementation method sketch map.
Embodiment
In Fig. 1, uprising low-pressure side 1# number respectively has a main transformer protection device, and the magnitude of current of gathering each side through each side CT supplies overcurrent protection of this side and differential protection use.Sending this lateral current magnitude to offside through the SV net simultaneously supplies the offside differential protection to calculate usefulness.This side combine that this lateral current magnitude and offside send here to lateral current magnitude, the of ac that forms synchronization through method for synchronous carries out differential protection again and calculates.The calculating of differential protection is the conventional method that adopts the industry, and collocation method of the present invention does not relate to new differential protection and calculates.Receive the trip signal of offside and the differential protection actuating signal of sending this side through the GOOSE network simultaneously.
In addition, the reserve overcurrent protection of this side can also obtain answering to press as signal and opening of offside through the GOOSE net except using answering of this side to press to do the signal.
It is as shown in the figure that main transformer is hauled oneself willingly into function; The subsequent use protective device that becomes for 2# number of becoming converts the analog quantity at this interval to and has or not pressures, has or not quantity of state such as stream, with position of the switch state, sends to 1# number change of operation change through the GOOSE network; Through the 10s time-delay, main transformer is hauled oneself willingly into charging and is accomplished.After 1# becomes transformer differential protection or non electrical quantity protection action; The 1# main transformer at interval haul oneself willingly into startup; When main transformer protection declare do not have stream and switch and jumping the position after, can select output to close block switch or close the subsequent use change low-pressure side GOOSE order of closing a floodgate through [hauling oneself willingly into the time-delay definite value of closing a floodgate] time-delay (like 100ms).While 2# main transformer step-down protective device or sectionalised protection device at interval receives also execution of GOOSE combined floodgate order, realizes the function of hauling oneself willingly into of main transformer.
Claims (3)
1. a tranformer protection disposes implementation method; It is characterized in that: tranformer protection is installed on the spot; Respectively join the tranformer protection of a main back protection one at the high and low pressure side of transformer, realization comprises differential protection, reserve overcurrent protection, main transformer and function such as hauls oneself willingly into the GOOSE net through SMV;
The tranformer protection of main back protection one comprises differential protection, reserve overcurrent protection and main transformer and hauls oneself willingly into configuration; The reserve overcurrent protection of each side is independent, promptly is independent of the running status of offside tranformer protection; Overcurrent protection is to calculate through the magnitude of current that this top-cross stream plug-in unit is gathered to realize, is gathered the magnitude of current of this side by each side protection and realizes, when offside protective device operation exception, during the differential protection of this side of locking; The reserve overcurrent protection of this side can be excised the switch of this side by would trip;
When moving interval transformer differential or non electrical quantity protection action and tripping operation, main transformer is hauled oneself willingly into startup, hauling oneself willingly into combined floodgate order to the main transformer at subsequent use interval through the transmission of GOOSE network and hauling oneself willingly into protection, realizes hauling oneself willingly into of main transformer.
2. tranformer protection configuration implementation method according to claim 1; It is characterized in that the required magnitude of current of differential protection calculating is collected by the protective device of both sides; The of ac of this side is gathered in each side protection through conventional interchange plug-in unit; And be converted into the AC signal of following the IEC61850-9-2 standard agreement and utilize the optical-fibre channel of SMV (GOOSE) plug-in unit to mail to offside; Receive the offside of ac that offside is brought through the IEC61850-9-2 standard agreement through SMV (GOOSE) plug-in unit simultaneously; The point-to-point electric current that sends of this side electric current that this side will be gathered and offside carries out synchronously, and the of ac that forms synchronization carries out differential protection and calculates, thereby realizes differential protection.
3. based on the described tranformer protection configuration of claim 1 implementation method; It is characterized in that main transformer is hauled oneself willingly into by tranformer protection realizes through the GOOSE network; This interval tranformer protection receives the quantity of state that subsequent use interval sends through the GOOSE network; When this interval differential protection or non electrical quantity protection action and tripping operation, do not have stream and this side switch when jumping the position; This interval haul oneself willingly into startup, the GOOSE that closes block switch or close subsequent use change low-pressure side through " hauling oneself willingly into the time-delay definite value of closing a floodgate " delay selection output order of closing a floodgate; The step-down protective device of subsequent use change simultaneously or sectionalised protection device receive the order of GOOSE combined floodgate and carry out, thereby realize the function of hauling oneself willingly into of main transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100643168A CN102570391A (en) | 2012-03-13 | 2012-03-13 | Configuration realization method for transformer protection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100643168A CN102570391A (en) | 2012-03-13 | 2012-03-13 | Configuration realization method for transformer protection |
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| CN102570391A true CN102570391A (en) | 2012-07-11 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647262A (en) * | 2013-10-25 | 2014-03-19 | 北京四方继保自动化股份有限公司 | In-situ placement type miniature intelligent relay protection device |
| CN105140883A (en) * | 2015-07-07 | 2015-12-09 | 江苏金智科技股份有限公司 | Differential protection system applied to transformer circuit |
| CN105186472A (en) * | 2015-10-14 | 2015-12-23 | 南京国电南自电网自动化有限公司 | Line longitudinal differential protection method for transformer station area information collection |
| CN105305602A (en) * | 2015-11-03 | 2016-02-03 | 成都交大许继电气有限责任公司 | Standby power system of railway digital traction substation and automatic switching method of standby power system |
| CN105896470A (en) * | 2016-06-03 | 2016-08-24 | 南京国电南自电网自动化有限公司 | Double loop network-based protection device free of main in-situ transformer and protection method |
| CN107611930A (en) * | 2017-10-17 | 2018-01-19 | 山东钢铁股份有限公司 | A kind of high voltage protective system |
| CN107769162A (en) * | 2017-11-22 | 2018-03-06 | 国网新疆电力有限公司电力科学研究院 | Generator protection tripgear based on 3/2 wiring condition power plant |
| CN111564821A (en) * | 2020-04-17 | 2020-08-21 | 许昌许继软件技术有限公司 | Automatic configuration method of on-site management unit |
| CN114566945A (en) * | 2022-03-15 | 2022-05-31 | 南京南瑞继保电气有限公司 | Rapid protection method for tap switch of converter transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103647262A (en) * | 2013-10-25 | 2014-03-19 | 北京四方继保自动化股份有限公司 | In-situ placement type miniature intelligent relay protection device |
| CN105140883A (en) * | 2015-07-07 | 2015-12-09 | 江苏金智科技股份有限公司 | Differential protection system applied to transformer circuit |
| CN105186472A (en) * | 2015-10-14 | 2015-12-23 | 南京国电南自电网自动化有限公司 | Line longitudinal differential protection method for transformer station area information collection |
| CN105186472B (en) * | 2015-10-14 | 2018-09-21 | 南京国电南自电网自动化有限公司 | A kind of circuit longitudinal differential protection method of substation areas of transformer station information taken |
| CN105305602A (en) * | 2015-11-03 | 2016-02-03 | 成都交大许继电气有限责任公司 | Standby power system of railway digital traction substation and automatic switching method of standby power system |
| CN105896470A (en) * | 2016-06-03 | 2016-08-24 | 南京国电南自电网自动化有限公司 | Double loop network-based protection device free of main in-situ transformer and protection method |
| CN107611930A (en) * | 2017-10-17 | 2018-01-19 | 山东钢铁股份有限公司 | A kind of high voltage protective system |
| CN107769162A (en) * | 2017-11-22 | 2018-03-06 | 国网新疆电力有限公司电力科学研究院 | Generator protection tripgear based on 3/2 wiring condition power plant |
| CN111564821A (en) * | 2020-04-17 | 2020-08-21 | 许昌许继软件技术有限公司 | Automatic configuration method of on-site management unit |
| CN114566945A (en) * | 2022-03-15 | 2022-05-31 | 南京南瑞继保电气有限公司 | Rapid protection method for tap switch of converter transformer |
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Owner name: ANSHAN POWER SUPPLY COMPANY, LIAONING ELECTRIC POW Free format text: FORMER OWNER: ANSHAN POWER SUPPLY COMPANY, LIAONING ELECTRIC POWER CO., LTD. Effective date: 20121016 |
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Effective date of registration: 20121016 Address after: Jiangning District of Nanjing City, Jiangsu province 211102 Su Yuan Road No. 69 Applicant after: Nanrui Relay Protection Electricity Co., Ltd., Nanjing Applicant after: Anshan Power Supply Company, Liaoning Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: Jiangning District of Nanjing City, Jiangsu province 211102 Su Yuan Road No. 69 Applicant before: Nanrui Relay Protection Electricity Co., Ltd., Nanjing Applicant before: Anshan Power Supply Company, Liaoning Electric Power Co., Ltd. |
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Application publication date: 20120711 |