CN101882810A - Method for realizing cooperative work of fixed value adjusting system and on-line device - Google Patents
Method for realizing cooperative work of fixed value adjusting system and on-line device Download PDFInfo
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- CN101882810A CN101882810A CN2010101963408A CN201010196340A CN101882810A CN 101882810 A CN101882810 A CN 101882810A CN 2010101963408 A CN2010101963408 A CN 2010101963408A CN 201010196340 A CN201010196340 A CN 201010196340A CN 101882810 A CN101882810 A CN 101882810A
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- fixed value
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention discloses a method for realizing cooperative work of a fixed value adjusting system and an on-line device. The method adopts substation fault information systems, main station fault information systems and the fixed value adjusting system, wherein the substation fault information systems are used for acquiring protection action information of an on-line protection device of a station and oscillograph recorded information; the main station fault information systems are connected with a plurality of substation fault information systems and used for dispatching and managing the substation fault information systems and acquiring information of the substation fault information systems; the fixed value adjusting system is used for analyzing and calculating the information acquired by the main station fault information systems and correcting a relay protection fixed value sheet in real time; the fixed value adjusting system is provided with an interface contacted with each main station fault information system, and the interface is in network connection with the main station fault information systems through negative and positive isolation devices to realize bidirectional communication between the fixed value adjusting system and each main station fault information system. The method finishes contact between the fixed value adjusting system and the on-line protection device of the station through network and fault information channels, realizes fixed value on-line adjustment, and can improve the automatic level of power grid operation.
Description
Technical field
The invention belongs to the power technology field, be specifically related to a kind of technology of Automation of Electric Systems.
Background technology
In power network; be equipped with failure information system; failure information system generally divides main website end and substation end; main website is used to dispatch, connect on-the-spot substation, a plurality of factories station, and main website key data source is the configuration information of protection action message, oscillograph recorded information and this two classes device of substation factory station end.At ordinary times data volume seldom, when breaking down, data volume can be greatly, fault message comprises comprehensively, the analysis-by-synthesis on the data basis is failure judgement character effectively, in fact also is the main foundation of judgement.
The effect of fixed value adjusting system then is that the information of protective device that failure information system is obtained is carried out analytical calculation in the power network; when power system operating mode changes; revise the on-line equipment relay protection constant value in real time; satisfy selectivity of relay protection, sensitivity, quick-action, make the protection effect reach optimum.
Traditional fixed value adjusting system is to separate to use the dress attitude with protective device; fixed value adjusting system calculates the definite value of protective device and generate the fixed value list of Word or Excel form; and the definite value typing of protective device is to adopt manual operation to realize, relates to that link is many, the cycle is grown, easily makes mistakes.Especially for remote unattended station, spend suitable manpower and materials.
Present raising and development of computer along with the power industry automatization level; the automatization level of failure information system greatly improves, and can ripely use, and stipulations are complete reliable; except fault data, can also realize configuration management, definite value management to protection and wave recording device.And fixed value adjusting system is also along with the development of computer software technology, from the function of calculation of fault is only arranged from the eighties of last century the eighties, develops into can use now based on graphical modeling comprise calculation of fault, the global function software of adjust calculating, copying.But fixed value adjusting system still keeps original user mode of separating with on-line equipment, has influenced the automaticity of operation of power networks.So realizing the collaborative work of fixed value adjusting system and on-line equipment is the important step that realizes Automation of Electric Systems.Fixed value adjusting system then is the important means that realizes fixed value adjusting system and on-line equipment collaborative work with combining of failure information system.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method that realizes fixed value adjusting system and on-line equipment collaborative work for the operation of power networks automation.
The technical scheme that addresses the above problem is: the present invention is provided with
The substation failure information system is used to gather the configuration information that protection action message, oscillograph recorded information and this two classes device of online protective device are held in the factory station;
The main station failure information system is connected with a plurality of substations failure information system, and each substation failure information system is dispatched, managed, and collects the information that each substation failure information system is gathered;
Fixed value adjusting system is used for the information that the main station failure information system is collected is carried out analytical calculation, revises the relay protection constant value list in real time;
It is characterized in that: described fixed value adjusting system is provided with the interface of getting in touch with each main station failure information system, this interface is by oppositely being connected with each main station failure information systems internetting with the forward spacer assembly, to realize the both-way communication between fixed value adjusting system and each the main station failure information system.
Further, the definite value information after described fixed value adjusting system will be adjusted adopts the XML file mode of plain text, is transferred to factory by the main station failure information system and stands in the line protective device; The definite value information that each main website, substation failure information system adopt the XML file mode storage fixed value adjusting system of plain text to transmit.
Another scheme is that the definite value information after described fixed value adjusting system will be adjusted adopts E language model mode, passes to factory by the main station failure information system and stands in the line protective device; Each main website, substation failure information system adopt E language model mode to store the definite value information that fixed value adjusting system transmits.
In network system; fixed value adjusting system belongs to the III/IV district; failure information system and protective device belong to the I/II district; I/II district data can be published to the III/IV district; and III/IV district data can't directly send to the I/II district; the present invention is just adopting; the transregional problem of reverse isolation device solves; make and realize both-way communication between fixed value adjusting system and each the main station failure information system: each main station failure information system arrives fixed value adjusting system with the information of online protective device by Network Transmission; fixed value adjusting system sends to online protective device by the main station failure information system automatically with revised relay protection constant value list and associated control signal; automatically realize the definite value on-line tuning by two-way data communication, reach the purpose that makes fixed value adjusting system and on-line equipment collaborative work.
The present invention regards failure information system as communication port; by network and fault message passage; finish getting in touch of fixed value adjusting system and the factory station online protective device of end; realize that the definite value file that fixed value adjusting system generates directly is configured online protective device; reach the purpose that makes fixed value adjusting system and on-line equipment collaborative work, thereby improved the automatization level of operation of power networks.
The further scheme of the present invention adopts the XML file of plain text or E language model mode to transmit and stores definite value, its advantage is that versatility is good, the different on-line equipments that can adapt to zones of different, different vendor, and be beneficial to correctness and the reliability of guaranteeing definite value, file format has good level, thereby guarantees that on-line equipment can the quicker safer definite value information that reads.
Description of drawings
Fig. 1, embodiment of the invention structural representation
Embodiment
Embodiment 1
Referring to Fig. 1, this example is provided with the substation failure information system in each station end transformer station of factory, be used to gather the protection action message of online protective device, the recorded information of fault oscillograph and the configuration information of this two classes device, and carry out data interaction by bidirectional communication unit and wired electric power data network and main station failure information system;
Be provided with the main station failure information system in the control centre, be connected with a plurality of substations failure information system respectively with the electric power data network, be used to collect the information that each substation failure information system is gathered by bidirectional communication unit; And each substation failure information system dispatched, manages;
Fixed value adjusting system, be provided with the interface of getting in touch with the main station failure information system, this interface by oppositely be connected with the main station failure information systems internetting with the forward spacer assembly (this example adopt be ICT (information and communication technology) branch company of Nanjing NanRui Group Co.,Ltd produce oppositely and the forward spacer assembly), so that can carry out both-way communication by electric power data network between fixed value adjusting system and the main station failure information system.
Fixed value adjusting system is used for the information that the main station failure information system is collected is carried out analytical calculation, revise the relay protection constant value list in real time, and fixed value list sent to online protective device with relevant data such as control signal by the main station failure information system, realize the definite value on-line tuning;
System's entire work process is: the information that the main station failure information system will be collected from the substation failure information system, be delivered to by the forward spacer assembly under the III/IV district file of fixed value adjusting system agreement, and fixed value adjusting system is used to these information; The fixed value adjusting system fixed value list file of adjusting out; through being put under the III/IV district file of agreement after the audit; the reverse isolation device has detected new file; can automatically this document be forwarded under the I/II district file of agreement; main station failure information system detects under the I/II district file new file; can enable the on-line tuning program automatically, the content in the fixed value list is adjusted in the protective device by the substation failure information system.
This example is described the definite value file that fixed value adjusting system provides by the XML (not containing controlled information) of plain text; and finally be transferred to online protective device by failure information system; main website and substation failure information system also adopt the XML formatted file to carry out the storage of definite value information simultaneously, to guarantee the correctness and the uniqueness of definite value.
The XML file format is as described below:
<？xml?version＝″1.0″encoding＝″utf-8″？>
<SettingValueBook>
<Properties>
＜BookNo〉XX station 20090709001＜/BookNo 〉
＜Substation〉the XX station＜/Substation 〉
＜BranchType〉circuit＜/BranchType 〉
＜Branch〉the XX line＜/Branch 〉
＜Breaker〉002 switch＜/Breaker 〉
<EquipmentName>CSLXXXA</EquipmentName>
<EquipmentVersion>10.021</EquipmentVersion>
<EquipmentCRC>E1CC</EquipmentCRC>
<EquipmentFactory>XX</EquipmentFactory>
</Properties>
<SettingValue>
＜Machine name=" A1 cabinet " 〉
<CPU?name＝″1″>
＜ProtectionGroup name=" high-pressure side " 〉
<ProtectionItem>
<Code>KG1</Code>
＜Name〉control word 1＜/Name 〉
<Value>262E</Value>
<ValueType>Hex</ValueType>
<Range>0000-FFFF</Range>
＜Unit〉do not have＜/Unit 〉
<ReadOnly>0</ReadOnly>
...
</ProtectionItem>
...
</ProtectionGroup>
</CPU>
...
</Machine>
...
</SettingValue>
</SettingValueBook>
Implication is explained:
(1) comprises some key messages of this fixed value list among the Properties
BookNo: fixed value list numbering
Substation: affiliated transformer station
Company: affiliated company, distinguish each county of mediation, ground and transfer
BranchType: the type of institute's protection branch road
Branch: branch road title
Breaker: the switch title of route protection correspondence
EquipmentName: device name
EquipmentVersion: device version
EquipmentCRC: device identifying code
EquipmentFactory: device manufacturer
(2) comprise definite value information among the SettingValue.
To relatively more complicated protective device, as sending out change group protective device, a plurality of cabinets are arranged generally, a plurality of CPU are arranged in each limit, so SettingValue arranges according to cabinet, CPU, three levels of definite value item.
Machine: cabinet
CPU: the CPU in the cabinet
ProtectionItem: definite value item
Code: definite value item code
Name: definite value item Chinese character title
Value: definite value item value
ValueType: definite value item value type
Range: definite value item scope
Unit: definite value item unit
ReadOnly: whether the definite value item is read-only
Description by this XML file; can protective device information be reached relevant definite value information more complete, accurately explains out; make the value data of transmitting between fixed value adjusting system and the on-line equipment more flexible, also possess stronger autgmentability and versatility simultaneously.
This programme is finished fixed value adjusting system and getting in touch that the station end is protected by the fault message passage in conjunction with failure information system, realizes that the definite value file that fixed value adjusting system generates directly is configured online protective device.
Embodiment 2
As different from Example 1; this example is to describe the definite value file that fixed value adjusting system provides by the E language model; and finally being transferred to online protective device by failure information system, main website and substation failure information system also adopt E language model file to carry out the storage of definite value information simultaneously.
E language model file format is as described below:
<！System＝GRS?Version＝1.0Code＝UTF-8Data＝1.1！>
<SettingValueBook>
@BookNo?Substation?BranchType?Branch?Breaker?EquipmentName?EquipmentVersion?EquipmentFactory
20090709001 plain boiled water station track Lu Baiqing lines, 002 switch CSL101A, 10.021 four directions, # plain boiled water station
</SettingValueBook>
<SettingValue>
@MachineName
The #A1 cabinet
<CPU>
@Name
#1
<ProtectionGroup>
@Name
The # high-pressure side
<ProtectionItem>
@Code?Name?Value?ValueType?Range?Unit?ReadOnly
#KG1 control word 1262E Hex 000-FFFF does not have 0
</ProtectionItem>
The # low-pressure side
...
</ProtectionGroup>
#2
...
</CPU>
The #A2 cabinet
..
</Sett?ingValue>
Every implication is with every implication in the XML form in the E language format.
Claims (5)
1. a method that realizes fixed value adjusting system and on-line equipment collaborative work is provided with
The substation failure information system is used to gather the configuration information that protection action message, oscillograph recorded information and this two classes device of online protective device are held in the factory station;
The main station failure information system is connected with a plurality of substations failure information system, and each substation failure information system is dispatched, managed, and collects the information that each substation failure information system is gathered;
Fixed value adjusting system is used for the information that the main station failure information system is collected is carried out analytical calculation, revises the relay protection constant value list in real time;
It is characterized in that: described fixed value adjusting system is provided with the interface of getting in touch with each main station failure information system, this interface is by oppositely being connected with each main station failure information systems internetting with the forward spacer assembly, to realize the both-way communication between fixed value adjusting system and each the main station failure information system.
2. the method for realization fixed value adjusting system according to claim 1 and on-line equipment collaborative work, it is characterized in that: the definite value information after described fixed value adjusting system will be adjusted adopts the XML file mode of plain text, is transferred to factory by the main station failure information system and stands in the line protective device; The definite value information that each main website, substation failure information system adopt the XML file mode storage fixed value adjusting system of plain text to transmit.
3. the method for realization fixed value adjusting system according to claim 2 and on-line equipment collaborative work is characterized in that: with XML file description definite value information, form is as described below:
<？xml?version＝″1.0″encoding＝″utf-8″？>
<SettingValueBook>
<Properties>
＜BookNo〉XX station 20090709001＜/BookNo 〉
＜Substation〉XX is upright accounts for＜/Substation 〉
＜BranchType〉circuit＜/BranchType 〉
＜Branch〉the XX line＜/Branch 〉
＜Breaker〉002 switch＜/Breaker 〉
<EquipmentName>CSLXXXA</EquipmentName>
<EquipmentVersion>10.021</EquipmentVersion>
<EquipmentCRC>ElCC</EquipmentCRC>
<EquipmentFactory>XX</EquipmentFactory>
</Properties>
<SettingValue>
＜Machine name=" A1 cabinet " 〉
<CPU?name＝″1″>
＜ProtectionGroup name=" high-pressure side " 〉
<ProtectionItem>
<Code>KG1</Code>
＜Name〉control word 1＜/Name 〉
<Value>262E</Value>
<ValueType>Hex</ValueType>
<Range>0000-FFFF</Range>
＜Unit〉do not have＜/Unit 〉
<ReadOnly>0</ReadOnly>
...
</ProtectionItem>
...
</ProtectionGroup>
</CPU>
...
</Machine>
...
</SettingValue>
</SettingValueBook>
Implication is explained:
(1) comprises some key messages of this fixed value list among the Properties
BookNo: fixed value list numbering
Substation: affiliated transformer station
Company: affiliated company, distinguish each county of mediation, ground and transfer
BranchType: the type of institute's protection branch road
Branch: branch road title
Breaker: the switch title of route protection correspondence
EquipmentName: device name
EquipmentVersion: device version
EquipmentCRC: device identifying code
EquipmentFactory: device manufacturer
(2) comprise definite value information among the SettingValue.
Arrange according to cabinet, CPU, three levels of definite value item:
Machine: cabinet
CPU: the CPU in the cabinet
ProtectionItem: definite value item
Code: definite value item code
Name: definite value item Chinese character title
Value: definite value item value
ValueType: definite value item value type
Range: definite value item scope
Unit: definite value item unit
ReadOnly: whether the definite value item is read-only.
4. the method for realization fixed value adjusting system according to claim 1 and on-line equipment collaborative work, it is characterized in that: the definite value information after described fixed value adjusting system will be adjusted adopts E language model file mode, is transferred to factory by the main station failure information system and stands in the line protective device; The definite value information that each main website, substation failure information system adopt E language model file mode storage fixed value adjusting system to transmit.
5. the method for realization fixed value adjusting system according to claim 4 and on-line equipment collaborative work is characterized in that: describe definite value information with the E language file, form is as described below:
<！System＝GRS?Version＝1.0Code＝UTF-8Data＝1.1！>
<SettingValueBook>
@BookNo?Substation?BranchType?Branch?Breaker?EquipmentName?EquipmentVersion?EquipmentFactory
20090709001 plain boiled water station track Lu Baiqing lines, 002 switch CSL101A, 10.021 four directions, # plain boiled water station
</SettingValueBook>
<SettingValue>
@MachineName
The #A1 cabinet
<CPU>
@Name
#1
<ProtectionGroup>
@Name
The # high-pressure side
<ProtectionItem>
@Code?Name?Value?ValueType?Range?Unit?ReadOnly
#KG1 control word 1262E Hex 000-FFFF does not have 0
</ ProtectionItem>
The # low-pressure side
...
</ ProtectionGroup>
#2
...
</CPU>
The #A2 cabinet
..
</SettingValue>
Implication is explained:
(1) comprises some key messages of this fixed value list among the Properties
BookNo: fixed value list numbering
Substation: affiliated transformer station
Company: affiliated company, distinguish each county of mediation, ground and transfer
BranchType: the type of institute's protection branch road
Branch: branch road title
Breaker: the switch title of route protection correspondence
EquipmentName: device name
EquipmentVersion: device version
EquipmentCRC: device identifying code
EquipmentFactory: device manufacturer
(2) comprise definite value information among the SettingValue;
Arrange according to cabinet, CPU, three levels of definite value item:
Machine: cabinet
CPU: the CPU in the cabinet
ProtectionItem: definite value item
Code: definite value item code
Name: definite value item Chinese character title
Value: definite value item value
ValueType: definite value item value type
Range: definite value item scope
Unit: definite value item unit
ReadOnly: whether the definite value item is read-only.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101963408A CN101882810A (en) | 2010-06-02 | 2010-06-02 | Method for realizing cooperative work of fixed value adjusting system and on-line device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101963408A CN101882810A (en) | 2010-06-02 | 2010-06-02 | Method for realizing cooperative work of fixed value adjusting system and on-line device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101882810A true CN101882810A (en) | 2010-11-10 |
Family
ID=43054741
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|---|---|---|---|
| CN2010101963408A Pending CN101882810A (en) | 2010-06-02 | 2010-06-02 | Method for realizing cooperative work of fixed value adjusting system and on-line device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064612A (en) * | 2011-01-13 | 2011-05-18 | 许继电气股份有限公司 | System and method for maintaining condition of relay protection |
| CN102255391A (en) * | 2011-07-29 | 2011-11-23 | 南京因泰莱配电自动化设备有限公司 | Feeder automation system with on-line protective fixed value setting function |
| CN102842960A (en) * | 2011-06-24 | 2012-12-26 | Ls产电株式会社 | Local monitoring apparatus, monitoring system and method of digital protective relay |
| CN102930398A (en) * | 2012-11-06 | 2013-02-13 | 安徽省电力公司检修公司 | Intelligent checking method and system for relay protection setting values based on extensible markup language (XML) technology |
| CN103138402A (en) * | 2013-03-18 | 2013-06-05 | 国家电网公司 | Grid fault information processing system |
| WO2014090023A1 (en) * | 2012-12-12 | 2014-06-19 | 湖北省电力公司 | Method of layered and graded data matching and relay protection setting value fusion for electrical power system |
| CN104502753A (en) * | 2014-12-15 | 2015-04-08 | 国家电网公司 | Networked on-line real-time analysis system for electric power fault recording device and application of system |
| CN104765282A (en) * | 2015-04-10 | 2015-07-08 | 三峡大学 | All-digital comprehensive simulation platform of power station |
| CN105703321A (en) * | 2014-11-28 | 2016-06-22 | 国网河南省电力公司南阳供电公司 | Relay protection fixed value remote check setting system and setting method |
| CN105978138A (en) * | 2015-11-26 | 2016-09-28 | 国网辽宁省电力有限公司大连供电公司 | Electric power automation system data emergency transmission method and device |
| CN107370114A (en) * | 2017-08-14 | 2017-11-21 | 深圳市中业智能系统控制有限公司 | The setting method and device of current quick definite value |
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| CN110601158A (en) * | 2019-10-11 | 2019-12-20 | 国网福建省电力有限公司 | Method for online setting of distribution automation protection constant value |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064612B (en) * | 2011-01-13 | 2013-05-22 | 许继电气股份有限公司 | System and method for maintaining condition of relay protection |
| CN102064612A (en) * | 2011-01-13 | 2011-05-18 | 许继电气股份有限公司 | System and method for maintaining condition of relay protection |
| US9312727B2 (en) | 2011-06-24 | 2016-04-12 | Lsis Co., Ltd. | Local monitoring apparatus, monitoring system and method of digital protective relay |
| CN102842960A (en) * | 2011-06-24 | 2012-12-26 | Ls产电株式会社 | Local monitoring apparatus, monitoring system and method of digital protective relay |
| CN102255391A (en) * | 2011-07-29 | 2011-11-23 | 南京因泰莱配电自动化设备有限公司 | Feeder automation system with on-line protective fixed value setting function |
| CN102255391B (en) * | 2011-07-29 | 2013-10-30 | 南京因泰莱配电自动化设备有限公司 | Feeder automation system with on-line protective fixed value setting function |
| CN102930398A (en) * | 2012-11-06 | 2013-02-13 | 安徽省电力公司检修公司 | Intelligent checking method and system for relay protection setting values based on extensible markup language (XML) technology |
| WO2014090023A1 (en) * | 2012-12-12 | 2014-06-19 | 湖北省电力公司 | Method of layered and graded data matching and relay protection setting value fusion for electrical power system |
| CN103138402A (en) * | 2013-03-18 | 2013-06-05 | 国家电网公司 | Grid fault information processing system |
| CN105703321A (en) * | 2014-11-28 | 2016-06-22 | 国网河南省电力公司南阳供电公司 | Relay protection fixed value remote check setting system and setting method |
| CN105703321B (en) * | 2014-11-28 | 2018-12-21 | 国网河南省电力公司南阳供电公司 | A kind of relay protection constant value remotely verifies adjusting system and setting method |
| CN104502753A (en) * | 2014-12-15 | 2015-04-08 | 国家电网公司 | Networked on-line real-time analysis system for electric power fault recording device and application of system |
| CN104765282A (en) * | 2015-04-10 | 2015-07-08 | 三峡大学 | All-digital comprehensive simulation platform of power station |
| CN104765282B (en) * | 2015-04-10 | 2018-03-27 | 三峡大学 | A kind of digital Synthetic Simulation Platform in power station |
| CN105978138A (en) * | 2015-11-26 | 2016-09-28 | 国网辽宁省电力有限公司大连供电公司 | Electric power automation system data emergency transmission method and device |
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| CN107370114B (en) * | 2017-08-14 | 2019-02-01 | 深圳市中业智能系统控制有限公司 | The setting method and device of current quick definite value |
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Inventor after: Zhang Yonghao Inventor after: Chou Xiangdong Inventor after: Li Li Inventor after: Li Laifeng Inventor after: Wei Jianliang Inventor before: Zhang Yonghao Inventor before: Chou Xiangdong Inventor before: Guo Xiaorui Inventor before: Li Laifeng Inventor before: Wei Jianliang |
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Application publication date: 20101110 |