CN106253201B - One kind is for conventional stations and the integrated protective relaying device of intelligent station and method - Google Patents
One kind is for conventional stations and the integrated protective relaying device of intelligent station and method Download PDFInfo
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- CN106253201B CN106253201B CN201610706215.4A CN201610706215A CN106253201B CN 106253201 B CN106253201 B CN 106253201B CN 201610706215 A CN201610706215 A CN 201610706215A CN 106253201 B CN106253201 B CN 106253201B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 238000004088 simulation Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 241000272814 Anser sp. Species 0.000 claims description 11
- 208000033748 Device issues Diseases 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 4
- 208000032368 Device malfunction Diseases 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000009191 jumping Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H02J13/0062—
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- Engineering & Computer Science (AREA)
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- Evolutionary Computation (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses one kind to be used for conventional stations and the integrated protective relaying device of intelligent station, including CPU, traditional analog amount acquisition unit, digitized simulation amount acquisition unit, it opens into unit, output unit, man-machine interface plug-in unit, the CPU includes double MCU, the traditional analog amount acquisition unit includes the routine transformer successively coupled, two-way low-pass filtering circuit, two-way A/D sampling circuit, the digitized simulation amount acquisition unit includes sequentially connected electronic mutual inductor, data combination unit, described open into unit includes sequentially connected open into module, light every, interface module, the unit of outputing includes sequentially connected exit relay, light every, interface module, the man-machine interface plug-in unit includes human-computer dialogue MCU.The present invention also proposes a kind of for conventional stations and the integrated relay protecting method of intelligent station, simple, easy to use, high reliablity, stable, reliable in action, the feature that installation and debugging are quick, applied widely with structure.
Description
Technical field
The present invention relates to one kind for conventional stations and the integrated protective relaying device of intelligent station and method, belongs to power train
System technical field of relay protection.
Background technique
With expanding rapidly for smart grid scale, newly-built, enlarging, transformation project etc. are dramatically increased, traditional power transformation
It stands and intelligent substation can largely coexist within one very long period, and the Morphological Diversity of intelligent substation requires relay
Protective device also exists with variform, such as traditional sampling GOOSE tripping, the tripping of digitized sampling tradition, digitized sampling
GOOSE trips these three application modes, and Ji great relay protection manufacturer of the current country is mentioned according to different applications
For different hardware type, the protective relaying device of different editions software, the overall architecture of every kind of protective relaying device is also different,
It is various that model certainly will be will cause, replacement trouble, and it is not easy to the management of relay protection profession, and based on traditional substation and intelligence
The application technology of the integrated relay protection of substation will solve above-mentioned predicament, and installation and debugging are quick, applied widely.
Summary of the invention
It is an object of the present invention to solve defect of the existing technology, propose a kind of for conventional stations and intelligent station one
The protective relaying device and method of body overcome existing protective relaying device to need the application according to on-site conventional station or intelligent station
Occasion carrys out the technical issues of discriminating device model and hardware configuration.
The present invention adopts the following technical scheme that:One kind being used for conventional stations and the integrated protective relaying device of intelligent station,
It is characterized in that, including CPU, traditional analog amount acquisition unit, digitized simulation amount acquisition unit, opens into unit, outputs unit, people
Machine interface card, the CPU include double MCU, and the traditional analog amount acquisition unit includes the routine transformer successively coupled, double
Road low-pass filtering circuit, two-way A/D sampling circuit, the digitized simulation amount acquisition unit include that sequentially connected electronic type is mutual
Sensor, data combination unit, it is described open into unit include it is sequentially connected open into module, light every, interface module, it is described to output list
Member includes sequentially connected exit relay, light every, interface module, and the man-machine interface plug-in unit includes human-computer dialogue MCU, described
Human-computer dialogue MCU is connected by HDLC bus with double MCU, to realize driving display interface, program management, configuration pipe
Reason, route protection module data collection acquire, process layer module data collection across interval protective module data, and provide station
Control layer IEC61850MMS interface, clock synchronization interface, the interface communicated with monitoring system, printing interface;The A/D sampling circuit, institute
It states data combination unit and is connected by HSB bus with double MCU, it is described to open the interface module into unit, described output list
The interface module of member is connected by spi bus with double MCU.
Preferably, double MCU include main MCU, from MCU, the main MCU are used to carry out fault interrupting processing, protection is patrolled
Volume judgement, driving breaker tripping and closing outlet, described to be used to carry out starting algorithm from MCU, the main MCU and described from also being set between MCU
It is equipped with intelligent operation box.
The present invention also proposes a kind of for conventional stations and the integrated relay protecting method of intelligent station, which is characterized in that packet
Include following steps:
Double MCU described in step SS1 judge that protective relaying device selection is passed according to the mode of acquisition process layer configuration file
System station sampling configuration or intelligent station sampling configuration are then transferred to step SS2, otherwise determine if it is determined that being conventional stations sampling configuration
For intelligent station sampling configuration, it is transferred to step SS3;
Step SS2 conventional stations do not have process layer configuration file, and protective relaying device is by using routine transformer acquisition
To voltage and current signals double MCU are sent to by HSB bus by low-pass filtering circuit and A/D sampling circuit, be transferred to step
Rapid SS4;
Step SS3 protective relaying device gets process layer configuration file, and protective relaying device passes through electronic mutual inductor
Double MCU are passed to by HSB bus with acquisition unit is merged;When using SV access way, when a certain circuit-switched data quality abnormal
When, double MCU of protective relaying device issue alarm, reasonable encumbrance accordingly and exit defencive function instruction, if two-way A/D is sampled
When one of the data in circuit are abnormal, the MCU of protective relaying device issues the instruction for exiting defencive function, prevents protective relaying device
Malfunction, is transferred to step SS4;
Double MCU described in step SS4 pass through resolving layer configuration file to determine whether tripping by GOOSE or using electricity
The mode of cable tripping;When using GOOSE message mode, double MCU are interacted by HSB bus with digitized simulation amount acquisition unit
Information, double MCU by digitized simulation amount acquisition unit receive location information that intelligent operation box is sent and by breaker tripping and closing orders
Intelligent operation box is sent to by GOOSE signal;When using cable wavy trajectory, double MCU are ordered breaker tripping and closing by spi bus
Order is sent to interface module, and interface module is by light every driving exit relay to act.
Relational language is explained:
MMI refers to Man Machine Interface i.e. man-machine interface, and MMI is people and the offer shifting for carrying out mobile communication
The interface associated between the mobile phone of dynamic communication service.
The beneficial effects obtained by the present invention are as follows:(1) present invention can be applicable in diversified application scenarios, be able to satisfy different use
The diversified demand at family can both substitute the original protective device of conventional substation completely, also can be suitably used for newly-built intelligence and become
Power station can support local digital equipment mode, fully digitalization equipment mode, also support digital improvement station;(2) this hair
It is bright flexibly configurable, have it is general, be easy to propagation energy suitable for conventional stations and intelligent station, and can be used for the different application of intelligent station
Form, installation and debugging are quick, applied widely, have a good application prospect;The present invention can guarantee list using Double MCUs Architecture
Protective device does not malfunction after the A/D exception of MCU, improves the reliability of protective relaying device;(4) present invention can be suitably used for
110kV and above conventional stations and intelligent station, on the spot comprising traditional intelligent substationization transformation, traditional mutual inductor+MU
The transformation of digital intelligent station, newly-built traditional mutual inductor access intelligent station, using electronic mutual inductor newly-built intelligent substation, adopt
With traditional intelligent substationization transformation of electronic mutual inductor, using operation works such as the intelligent substation transformations of electric mutual inductor
Condition.
Detailed description of the invention
Fig. 1 is a kind of whole hardware configuration for conventional stations and the integrated protective relaying device of intelligent station of the invention
Connection schematic diagram.
Fig. 2 is internal bus connection schematic diagram of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Fig. 1 is a kind of whole hardware configuration for conventional stations and the integrated protective relaying device of intelligent station of the invention
Connection schematic diagram.The present invention proposes a kind of for conventional stations and the integrated protective relaying device of intelligent station, including CPU, tradition
Analog acquisition unit, digitized simulation amount acquisition unit are opened into unit, output unit, man-machine interface plug-in unit, the CPU packet
Double MCU are included, the traditional analog amount acquisition unit includes the routine transformer successively coupled, two-way low-pass filtering circuit, two-way
A/D sampling circuit, the digitized simulation amount acquisition unit include sequentially connected electronic mutual inductor, data combination unit,
It is described open into unit include it is sequentially connected open into module, light every, interface module, it is described output unit include it is sequentially connected go out
Mouthful relay, light are every, interface module, and the man-machine interface plug-in unit includes human-computer dialogue MCU, and the human-computer dialogue MCU passes through
HDLC bus is connected with double MCU, to realize driving display interface, program management, configuration management, route protection module
Data acquisition acquires, process layer module data collection across interval protective module data, and provides station level IEC61850MMS
Interface, clock synchronization interface, the interface communicated with monitoring system, printing interface;The A/D sampling circuit, the data combination unit
It is connected by HSB bus with double MCU, described to open the interface module into unit, the interface module for outputing unit logical
Spi bus is crossed to be connected with double MCU.Double MCU include main MCU, from MCU, and the main MCU is used to carry out fault interrupting
Processing, relay protective scheme judgement, driving breaker tripping and closing outlet, it is described to be used to carry out starting algorithm from MCU, the main MCU and it is described from
Intelligent operation box is additionally provided between MCU.
Fig. 2 is internal bus connection schematic diagram of the invention.The present invention also proposes a kind of for conventional stations and intelligent station one
The relay protecting method of body, which is characterized in that include the following steps:
Double MCU described in step SS1 judge that protective relaying device selection is passed according to the mode of acquisition process layer configuration file
System station sampling configuration or intelligent station sampling configuration are then transferred to step SS2, otherwise determine if it is determined that being conventional stations sampling configuration
For intelligent station sampling configuration, it is transferred to step SS3;
Step SS2 conventional stations do not have process layer configuration file, and protective relaying device is by using routine transformer acquisition
To voltage and current signals double MCU are sent to by HSB bus by low-pass filtering circuit and A/D sampling circuit, be transferred to step
Rapid SS4;
Step SS3 protective relaying device gets process layer configuration file, and protective relaying device passes through electronic mutual inductor
Double MCU are passed to by HSB bus with acquisition unit is merged;When using SV access way, when a certain circuit-switched data quality abnormal
When, double MCU of protective relaying device issue alarm, reasonable encumbrance accordingly and exit defencive function instruction, if two-way A/D is sampled
When one of the data in circuit are abnormal, the MCU of protective relaying device issues the instruction for exiting defencive function, prevents protective relaying device
Malfunction, is transferred to step SS4;
Double MCU described in step SS4 pass through resolving layer configuration file to determine whether tripping by GOOSE or using electricity
The mode of cable tripping;When using GOOSE message mode, double MCU are interacted by HSB bus with digitized simulation amount acquisition unit
Information, double MCU by digitized simulation amount acquisition unit receive location information that intelligent operation box is sent and by breaker tripping and closing orders
Intelligent operation box is sent to by GOOSE signal;When using cable wavy trajectory, double MCU are ordered breaker tripping and closing by spi bus
Order is sent to interface module, and interface module is by light every driving the negative supply of exit relay to act.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. one kind is used for conventional stations and the integrated protective relaying device of intelligent station, which is characterized in that including CPU, traditional analog
Amount acquisition unit, digitized simulation amount acquisition unit are opened into unit, output unit, man-machine interface plug-in unit, and the CPU includes double
MCU, the traditional analog amount acquisition unit include that the routine transformer successively coupled, two-way low-pass filtering circuit, two-way A/D are adopted
Sample circuit, the digitized simulation amount acquisition unit include sequentially connected electronic mutual inductor, data combination unit, described to open
Enter unit include it is sequentially connected open into module, light every, interface module, the unit of outputing includes sequentially connected outlet relay
Every, interface module, the man-machine interface plug-in unit includes human-computer dialogue MCU for device, light, and the human-computer dialogue MCU passes through HDLC bus
It is connected with double MCU, to realize that driving display interface, program management, configuration management, route protection module data are adopted
Collection, across interval protective module data acquisition, process layer module data collection, and provide station level IEC61850MMS interface, right
When interface, the interface communicated with monitoring system, printing interface;The A/D sampling circuit, the data combination unit pass through HSB
Bus is connected with double MCU, it is described open the interface module into unit, the interface module for outputing unit by SPI it is total
Line is connected with double MCU;
Double MCU include main MCU, are used to carry out fault interrupting processing, relay protective scheme judgement, driving from MCU, the main MCU
Breaker tripping and closing outlet, described to be used to carry out starting algorithm from MCU, the main MCU and described from being additionally provided with intelligent operation between MCU
Case.
2. a kind of based on the side according to claim 1 for conventional stations and the integrated protective relaying device of intelligent station
Method, which is characterized in that include the following steps:
Double MCU described in step SS1 judge that protective relaying device selects conventional stations according to the mode of acquisition process layer configuration file
Sampling configuration or intelligent station sampling configuration are then transferred to step SS2, are otherwise determined as intelligence if it is determined that being conventional stations sampling configuration
Can stand sampling configuration, be transferred to step SS3;
Step SS2 conventional stations do not have process layer configuration file, and protective relaying device is by using routine transformer collected
Voltage and current signals send double MCU to by HSB bus by low-pass filtering circuit and A/D sampling circuit, are transferred to step
SS4;
Step SS3 protective relaying device gets process layer configuration file, and protective relaying device passes through electronic mutual inductor sum number
Double MCU are passed to by HSB bus according to combining unit;When using SV access way, when a certain circuit-switched data quality abnormal, after
Double MCU of electrical protective device issue alarm, reasonable encumbrance accordingly and exit defencive function instruction, if two-way A/D sampling circuit
One of data it is abnormal when, the MCU of protective relaying device issues the instruction for exiting defencive function, prevents protective relaying device malfunction
Make, is transferred to step SS4;
Double MCU described in step SS4 pass through resolving layer configuration file to determine whether tripping by GOOSE or jumping using cable
The mode of lock;When using GOOSE message mode, double MCU interact letter with digitized simulation amount acquisition unit by HSB bus
Breath, double MCU receive the location information of intelligent operation box transmission by digitized simulation amount acquisition unit and lead to breaker tripping and closing order
It crosses GOOSE signal and is sent to intelligent operation box;When using cable wavy trajectory, double MCU pass through spi bus for breaker tripping and closing order
It is sent to interface module, interface module is by light every driving exit relay to act.
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Families Citing this family (8)
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CN106655076B (en) * | 2016-12-29 | 2019-05-14 | 许继集团有限公司 | Site reliability of relay protection control device and relay protecting method |
CN106684838B (en) * | 2016-12-29 | 2019-05-14 | 许继集团有限公司 | Site relay protection controlling device and relay protecting method |
CN109256744B (en) * | 2018-11-01 | 2020-09-01 | 北京四方继保自动化股份有限公司 | High-reliability analog quantity acquisition method for relay protection device |
CN109616998B (en) * | 2018-12-21 | 2020-06-09 | 南京国电南自电网自动化有限公司 | Method for judging and processing voltage inconsistency of relay protection device based on double CPU sampling |
CN109713647B (en) * | 2019-02-22 | 2020-02-07 | 南京电研电力自动化股份有限公司 | Redundancy design method for bus protection device |
CN113036711B (en) * | 2019-06-05 | 2022-08-12 | 国网安徽省电力有限公司铜陵供电公司 | Method for acquiring abnormal differential protection locking system by using electronic transformer data |
CN111815003A (en) * | 2020-07-31 | 2020-10-23 | 国网浙江省电力有限公司绍兴供电公司 | Multifunctional integration-based secondary overhaul operation system and method |
CN113050476A (en) * | 2021-02-26 | 2021-06-29 | 许继集团有限公司 | High-precision ADC acquisition control system suitable for double-MCU hardware architecture |
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