CN109784699A - A kind of method of intelligent substation 110kV line segregation SCD file Correctness checking - Google Patents
A kind of method of intelligent substation 110kV line segregation SCD file Correctness checking Download PDFInfo
- Publication number
- CN109784699A CN109784699A CN201811643186.7A CN201811643186A CN109784699A CN 109784699 A CN109784699 A CN 109784699A CN 201811643186 A CN201811643186 A CN 201811643186A CN 109784699 A CN109784699 A CN 109784699A
- Authority
- CN
- China
- Prior art keywords
- measure
- flow direction
- information flow
- intelligent terminal
- judged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of methods of intelligent substation 110kV line segregation SCD file Correctness checking, belong to electric power network field.Method includes the following steps: checking the integrality of configuration；Check SV, GOOSE information flow direction correctness；Information between check protection device and combining unit；Information between check protection device and intelligent terminal；Information between check protection device and measure and control device；Check the information between combining unit and intelligent terminal；Check the information between combining unit and measure and control device；Check the information between intelligent terminal and measure and control device；When being respectively completed inspection and all correct result according to step 3 to step 8, judge that the 110kV line segregation SCD file Quadratic Imaginary circuit is correct.Method of the invention makes to check that SCD file Quadratic Imaginary circuit correctness reaches standardization and standardization, relieves the hidden danger of electric power netting safe running.
Description
Technical field
The invention belongs to electric power network fields, are related to a kind of intelligent substation 110kV line segregation SCD file correctness inspection
The method looked into.
Background technique
Intelligent Substation System configuration file (SCD) abbreviation whole station system configuration file, describes the exemplary configuration of all IED
Communication configuration and change between messaging parameter, intelligent electronic device IED (Intelligent Electronic Device)
Power station primary system structure, wherein exemplary configuration, i.e. Quadratic Imaginary circuit, including Current Voltage channel, closing loop, signal time
Road and alarm signal etc., are the cores of configuration file, the safety of the correctness of SCD file Quadratic Imaginary loop configuration for substation
It runs particularly significant.
Currently, this document is usually completed by designing unit and system integration manufacturer, lacks unified technical method and check SCD
The correctness in file secondary void circuit brings difficulty to intelligent substation 110kV line segregation O&M, enlarging etc., pacifies to power grid
Row for the national games leaves hidden danger.
For above-mentioned Current Situation, a kind of 110kV line segregation SCD file Quadratic Imaginary circuit correctness that checks need to be studied
Method makes it standardize and standardize.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of intelligent substation 110kV line segregation SCD file correctness
The method of inspection.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of method of intelligent substation 110kV line segregation SCD file Correctness checking, comprising the following steps:
Step 1: the integrality of configuration is checked；
Step 2: SV, GOOSE information flow direction correctness are checked；
Step 3: the information between check protection device and combining unit；
Step 4: the information between check protection device and intelligent terminal；
Step 5: the information between check protection device and measure and control device；
Step 6: the information between combining unit and intelligent terminal is checked；
Step 7: the information between combining unit and measure and control device is checked；
Step 8: the information between intelligent terminal and measure and control device is checked；
Step 9: when being respectively completed inspection and all correct result according to step 3 to step 8, judge between the 110kV route
It is correct every SCD file Quadratic Imaginary circuit.
Further, the step 1 specifically: it is single to check that line protective devices, route measure and control device, line segregation merge
The integrality of member and intelligent terminal；If lacking any intelligent electronic device IED, it is judged as mistake, conversely, then judgement is positive
Really；When protective device and measure and control device are combined into one, to protect measurement and control integration device.
Further, the step 2 specifically: the input/output information of SV, GOOSE between each intelligent electronic device IED
Flow direction need it is correct, according to the mutual logical relation between protective device, combining unit, measure and control device and intelligent terminal, respectively into
Row checks and judgement.
Further, the step 3 specifically:
S31: SV information flow direction is checked；When the information flow direction of line protective devices and combining unit, which meets table 1, to be required, then
It is judged as correct, conversely, being then judged as mistake；
SV information flow direction table between 1 110kV line protective devices of table and combining unit
| Combining unit, i.e. transmitting terminal | Protective device, i.e. receiving end |
| Specified delay | Specified delay |
| Protect A phase current 1 | Protect A phase current 1 |
| Protect A phase current 2 | Protect A phase current 2 |
| Protect B phase current 1 | Protect B phase current 1 |
| Protect B phase current 2 | Protect B phase current 2 |
| Protect C phase current 1 | Protect C phase current 1 |
| Protect C phase current 2 | Protect C phase current 2 |
| Protect A phase voltage 1, that is, busbar voltage after switching | Protect A phase voltage 1 |
| Protect A phase voltage 2, that is, busbar voltage after switching | Protect A phase voltage 2 |
| Protect B phase voltage 1, that is, busbar voltage after switching | Protect B phase voltage 1 |
| Protect B phase voltage 2, that is, busbar voltage after switching | Protect B phase voltage 2 |
| Protect C phase voltage 1, that is, busbar voltage after switching | Protect C phase voltage 1 |
| Protect C phase voltage 2, that is, busbar voltage after switching | Protect C phase voltage 2 |
| Route extracts voltage 1 | Line voltage distribution 1 |
| Route extracts voltage 2 | Line voltage distribution 2 |
S32: GOOSE information flow direction is checked, when without GOOSE information, then judging between line protective devices and combining unit
To be correct, conversely, being then judged as mistake.
Further, the step 4 specifically:
S41: checking SV information flow direction, correct when without SV information, being then judged as between line protective devices and intelligent terminal,
Conversely, being then judged as mistake；
S42: GOOSE information flow direction is checked；When the information flow direction of line protective devices and intelligent terminal meets the requirement of table 2
When, then it is judged as correct, conversely, being then judged as mistake；
GOOSE information flow direction table between 2 110kV line protective devices of table and intelligent terminal
Further, the step 5 specifically: without SV, GOOSE information between line protective devices and measure and control device, then sentence
Break to be correct, conversely, being then judged as mistake.
Further, the step 6 specifically:
S61: SV information flow direction is checked, when without SV information, being then judged as between line segregation combining unit and intelligent terminal
Correctly, conversely, being then judged as mistake；
S62: GOOSE information flow direction is checked, when the information flow direction of line segregation combining unit and intelligent terminal meets table 3
It is required that when, then it is judged as correct, conversely, being then judged as mistake；
GOOSE information flow direction table between 3 110kV line segregation combining unit of table and intelligent terminal
| Intelligent terminal, i.e. transmitting terminal | Combining unit, i.e. receiving end |
| 1 position of bus disconnecting link is two point | 1 position of bus disconnecting link |
| 2 position of bus disconnecting link is two point | 2 position of bus disconnecting link |
。
Further, the step 7 specifically:
S71: SV information flow direction is checked, when the information flow direction of line segregation combining unit and measure and control device meets wanting for table 4
When asking, then it is judged as correct, conversely, being then judged as mistake；
SV information flow direction table between 4 110kV line segregation combining unit of table and measure and control device
| Combining unit, i.e. transmitting terminal | Measure and control device, i.e. receiving end |
| Specified delay | Specified delay |
| Measure A phase current | Measure A phase current |
| Measure B phase current | Measure B phase current |
| Measure C phase current | Measure C phase current |
| A phase voltage is measured, that is, busbar voltage after switching | Measure A phase voltage |
| B phase voltage is measured, that is, busbar voltage after switching | Measure B phase voltage |
| C phase voltage is measured, that is, busbar voltage after switching | Measure C phase voltage |
| Route extracts voltage | Synchronous voltage |
S72: GOOSE information flow direction is checked, when the information flow direction of line segregation combining unit and measure and control device meets table 5
It is required that and measure and control device receive signal and combining unit send the description of signal it is consistent when, then be judged as correctly, conversely, then sentencing
Break as mistake；
GOOSE information flow direction table between 5 110kV line segregation combining unit of table and measure and control device
| Combining unit, i.e. transmitting terminal | Measure and control device, i.e. receiving end |
| Inspecting state | It opens into 1, i.e. combining unit inspecting state |
| Synchronous abnormality | It opens into 2, i.e. combining unit synchronous abnormality |
| Voltage is switched to I mother | It opens into 3, i.e. combining unit voltage is switched to I mother |
| Voltage is switched to II mother | It opens into 4, i.e. combining unit voltage is switched to II mother |
| Voltage switching simultaneously operation | It opens into 5, i.e. combining unit voltage switching simultaneously operation |
| Voltage switches while returning | It opens into 6, i.e. combining unit voltage switches while returning |
| GOOSE communication disruption | It opens into 7, i.e. combining unit GOOSE communication disruption |
| GOOSE data exception | It opens into 8, i.e. combining unit GOOSE data exception |
| GOOSE maintenance is inconsistent | It opens into 9, i.e. combining unit GOOSE maintenance is inconsistent |
| SV chain rupture | It opens into 10, i.e. combining unit SV chain rupture |
| …… | Open into ... |
。
Further, the step 8 specifically:
S81: checking SV information flow direction, correct when without SV information, being then judged as between route intelligent terminal and measure and control device,
Conversely, being then judged as mistake；
S82: GOOSE information flow direction is checked, when the information flow direction of route intelligent terminal and measure and control device meets table 6.1 and table
6.2 requirement, and measure and control device sends and receivees signal it is consistent with the description that intelligent terminal sends and receives signal when, then judge
To be correct, conversely, being then judged as mistake；
6.1 110kV route intelligent terminal of table to measure and control device GOOSE information flow direction table
6.2 110kV route measure and control device of table to intelligent terminal GOOSE information flow direction table
| Measure and control device, i.e. transmitting terminal | Intelligent terminal, i.e. receiving end |
| Breaker remote separating brake | Breaker open operation operation |
| Breaker remote closes a floodgate | Breaker switching-on operation |
| Disconnecting link 1 is remotely controlled separating brake | 1 sub-switching operation of bus disconnecting link |
| The remote control of disconnecting link 1 is closed a floodgate | 1 closing operation of bus disconnecting link |
| Disconnecting link 2 is remotely controlled separating brake | 2 sub-switching operation of bus disconnecting link |
| The remote control of disconnecting link 2 is closed a floodgate | 2 closing operation of bus disconnecting link |
| Disconnecting link 3 is remotely controlled separating brake | Route disconnecting link sub-switching operation |
| The remote control of disconnecting link 3 is closed a floodgate | Route disconnecting link closing operation |
| Grounding switch 1 is remotely controlled separating brake | 1 sub-switching operation of grounding switch |
| The remote control of grounding switch 1 is closed a floodgate | 1 closing operation of grounding switch |
| Grounding switch 2 is remotely controlled separating brake | 2 sub-switching operation of grounding switch |
| The remote control of grounding switch 2 is closed a floodgate | 2 closing operation of grounding switch |
| Grounding switch 3 is remotely controlled separating brake | 3 sub-switching operation of grounding switch |
| The remote control of grounding switch 3 is closed a floodgate | 3 closing operation of grounding switch |
| Intelligent terminal involution | External involution |
。
The beneficial effects of the present invention are: method of the invention makes to check that SCD file Quadratic Imaginary circuit correctness reaches mark
Standardization and standardization, relieve the hidden danger of electric power netting safe running.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 SV information flow direction schematic diagram between 110kV line protective devices and combining unit；
Fig. 2 GOOSE information flow direction schematic diagram between 110kV line protective devices and intelligent terminal；
Fig. 3 GOOSE information flow direction schematic diagram between 110kV line segregation combining unit and intelligent terminal；
Fig. 4 SV information flow direction schematic diagram between 110kV line segregation combining unit and measure and control device；
Fig. 5 GOOSE information flow direction schematic diagram between 110kV line segregation combining unit and measure and control device；
Fig. 6 (a) is GOOSE information flow direction schematic diagram of the 110kV route intelligent terminal to measure and control device；Fig. 6 (b) is
110kV route measure and control device to intelligent terminal GOOSE information flow direction schematic diagram.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
The invention proposes a kind of intelligent substation 110kV line segregation SCD file Quadratic Imaginary circuit Correctness checkings
Method, implementation method the following steps are included:
Step 1: checking the integrality of configuration.It should merge comprising line protective devices, route measure and control device, line segregation
Unit, intelligent terminal are judged as mistake if lacking any IED, conversely, correctly.Special circumstances, protective device and observing and controlling fill
It sets and is combined into one, to protect measurement and control integration device.
Step 2: checking SV, GOOSE information flow direction correctness.The input/output information flow of SV, GOOSE between each IED
It is correct to answering, according to the mutual logical relation between protective device, combining unit, measure and control device and intelligent terminal, carry out respectively
It checks and judges.
Step 3: the information between check protection device and combining unit.
(1) SV information flow direction, as shown in Figure 1.When the information flow direction of line protective devices and combining unit meets following want
When asking, then it is judged as correct, conversely, mistake.
(2) GOOSE information flow direction, without GOOSE information between protective device and combining unit.When line protective devices and close
And without GOOSE information between unit, then it is judged as correct, conversely, mistake.
Step 4: the information between check protection device and intelligent terminal.
(1) SV information flow direction, without SV information between protective device and intelligent terminal.When line protective devices and intelligent terminal
Between without SV information, then be judged as correct, conversely, mistake.
(2) GOOSE information flow direction, as shown in Figure 2.When the information flow direction of line protective devices and intelligent terminal meet it is following
It is required that when, then it is judged as correct, conversely, mistake.
Step 5: the information between check protection device and measure and control device.Between protective device and measure and control device without SV,
GOOSE information.It is correct when without SV, GOOSE information, being then judged as between line protective devices and measure and control device, conversely, mistake.
Step 6: checking the information between combining unit and intelligent terminal.
(1) SV information flow direction, without SV information between combining unit and intelligent terminal.When line segregation combining unit and intelligence
Without SV information between terminal, then it is judged as correct, conversely, mistake.
(2) GOOSE information flow direction, as shown in Figure 3.When the information flow direction of line segregation combining unit and intelligent terminal meets
When claimed below, then it is judged as correct, conversely, mistake.
Step 7: checking the information between combining unit and measure and control device.
(1) SV information flow direction, as shown in Figure 4.When the information flow direction of line segregation combining unit and measure and control device meet with
Under when requiring, then be judged as correct, conversely, mistake.
(2) GOOSE information flow direction, as shown in Figure 5.When the information flow direction of line segregation combining unit and measure and control device meets
It is claimed below, and measure and control device receive signal and combining unit send the description of signal it is consistent when, then be judged as correctly, conversely,
Mistake.
Step 8: checking the information between intelligent terminal and measure and control device.
(1) SV information flow direction, without SV information between intelligent terminal and measure and control device.When route intelligent terminal and measure and control device
Between without SV information, then be judged as correct, conversely, mistake.
(2) GOOSE information flow direction, as shown in Fig. 6 (a) (b).When the information flow direction of route intelligent terminal and measure and control device accords with
Close it is claimed below, and measure and control device receive the transmission description of (reception) signal of (transmissions) signal and intelligent terminal it is consistent when, then sentence
Break to be correct, conversely, mistake.
Step 9: when being respectively completed inspection and all correct result according to step 3 to step 8 the method, it can be determined that
The 110kV line segregation SCD file Quadratic Imaginary circuit is correct.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (9)
1. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking, it is characterised in that: this method packet
Include following steps:
Step 1: the integrality of configuration is checked；
Step 2: SV, GOOSE information flow direction correctness are checked；
Step 3: the information between check protection device and combining unit；
Step 4: the information between check protection device and intelligent terminal；
Step 5: the information between check protection device and measure and control device；
Step 6: the information between combining unit and intelligent terminal is checked；
Step 7: the information between combining unit and measure and control device is checked；
Step 8: the information between intelligent terminal and measure and control device is checked；
Step 9: when being respectively completed inspection and all correct result according to step 3 to step 8, judge the 110kV line segregation
SCD file Quadratic Imaginary circuit is correct.
2. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 1 specifically: check line protective devices, route measure and control device, line segregation combining unit and
The integrality of intelligent terminal；If lacking any intelligent electronic device IED, it is judged as mistake, conversely, being then judged as correct；When
When protective device and measure and control device are combined into one, to protect measurement and control integration device.
3. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 2 specifically: the input/output information flow direction of SV, GOOSE between each intelligent electronic device IED
It needs correctly, according to the mutual logical relation between protective device, combining unit, measure and control device and intelligent terminal, to be examined respectively
It looks into and judges.
4. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 3 specifically:
S31: SV information flow direction is checked；When the information flow direction of line protective devices and combining unit, which meets table 1, to be required, then judge
To be correct, conversely, being then judged as mistake；
SV information flow direction table between 1 110kV line protective devices of table and combining unit
S32: checking GOOSE information flow direction, when without GOOSE information, then judgement is positive between line protective devices and combining unit
Really, conversely, being then judged as mistake.
5. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 4 specifically:
S41: checking SV information flow direction, correct when without SV information, being then judged as between line protective devices and intelligent terminal, instead
It, then be judged as mistake；
S42: GOOSE information flow direction is checked；When the information flow direction of line protective devices and intelligent terminal, which meets table 2, to be required, then
It is judged as correct, conversely, being then judged as mistake；
GOOSE information flow direction table between 2 110kV line protective devices of table and intelligent terminal
。
6. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 5 specifically: without SV, GOOSE information between line protective devices and measure and control device, be then judged as
Correctly, conversely, being then judged as mistake.
7. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 6 specifically:
S61: checking SV information flow direction, correct when without SV information, being then judged as between line segregation combining unit and intelligent terminal,
Conversely, being then judged as mistake；
S62: GOOSE information flow direction is checked, when the information flow direction of line segregation combining unit and intelligent terminal meets the requirement of table 3
When, then it is judged as correct, conversely, being then judged as mistake；
GOOSE information flow direction table between 3 110kV line segregation combining unit of table and intelligent terminal
。
8. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 7 specifically:
S71: checking SV information flow direction, when the information flow direction of line segregation combining unit and measure and control device meets the requirement of table 4,
Then it is judged as correct, conversely, being then judged as mistake；
SV information flow direction table between 4 110kV line segregation combining unit of table and measure and control device
S72: GOOSE information flow direction is checked, when the information flow direction of line segregation combining unit and measure and control device meets wanting for table 5
Ask, and measure and control device receive signal and combining unit send the description of signal it is consistent when, then be judged as correctly, conversely, then judging
For mistake；
GOOSE information flow direction table between 5 110kV line segregation combining unit of table and measure and control device
9. a kind of method of intelligent substation 110kV line segregation SCD file Correctness checking according to claim 1,
It is characterized by: the step 8 specifically:
S81: checking SV information flow direction, correct when without SV information, being then judged as between route intelligent terminal and measure and control device, instead
It, then be judged as mistake；
S82: GOOSE information flow direction is checked, when the information flow direction of route intelligent terminal and measure and control device meets table 6.1 and table 6.2
Requirement, and measure and control device sends and receivees signal it is consistent with the description that intelligent terminal sends and receives signal when, then be judged as
Correctly, conversely, being then judged as mistake；
6.1 110kV route intelligent terminal of table to measure and control device GOOSE information flow direction table
6.2 110kV route measure and control device of table to intelligent terminal GOOSE information flow direction table
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643186.7A CN109784699B (en) | 2018-12-29 | 2018-12-29 | Method for checking correctness of SCD (substation configuration description) file between 110kV lines of intelligent substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643186.7A CN109784699B (en) | 2018-12-29 | 2018-12-29 | Method for checking correctness of SCD (substation configuration description) file between 110kV lines of intelligent substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109784699A true CN109784699A (en) | 2019-05-21 |
| CN109784699B CN109784699B (en) | 2022-05-20 |
Family
ID=66499510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643186.7A Active CN109784699B (en) | 2018-12-29 | 2018-12-29 | Method for checking correctness of SCD (substation configuration description) file between 110kV lines of intelligent substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109784699B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009966A (en) * | 2019-11-22 | 2020-04-14 | 贵州电网有限责任公司 | Data interaction system, method and device of transformer substation equipment and storage medium |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100843130B1 (en) * | 2007-01-30 | 2008-07-03 | 명지대학교 산학협력단 | Apparatus and method for diagnosing ied abnormal state on-line in substation automation system based on iec61850 |
| EP1976218A1 (en) * | 2007-03-30 | 2008-10-01 | ABB Technology AG | Method of configuring an intelligent electronic device |
| CN104715035B (en) * | 2015-03-17 | 2017-02-15 | 广东电网有限责任公司电力调度控制中心 | Checking method and device for correctness of virtual terminator association configuration of intelligent substation |
| CN105335342A (en) * | 2015-12-01 | 2016-02-17 | 国家电网公司 | Method for automatic examination of wiring correctness of intelligent substation SCD configuration file virtual terminator |
| CN105354120A (en) * | 2015-12-11 | 2016-02-24 | 国网安徽省电力公司淮北供电公司 | SCD file document check device for intelligent substation |
| CN106372301A (en) * | 2016-08-29 | 2017-02-01 | 西电通用电气自动化有限公司 | Method and system for detecting visualization and configuration consistency of configuration file of intelligent substation |
-
2018
- 2018-12-29 CN CN201811643186.7A patent/CN109784699B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009966A (en) * | 2019-11-22 | 2020-04-14 | 贵州电网有限责任公司 | Data interaction system, method and device of transformer substation equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109784699B (en) | 2022-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106169740B (en) | 110kV single-trunk segmental wiring incoming relay-protections are latched prepared auto restart relay protecting method | |
| CN102694369B (en) | Method for preventing low-voltage protection misoperation of motor caused by PT disconnection | |
| KR101505176B1 (en) | Apparatus and method for detecting failure of bus | |
| CN204012678U (en) | A kind of power distribution network multimode ground protection system | |
| CN101860007B (en) | Remote intelligent residual current monitoring and protection system | |
| CN105119251A (en) | Method for determining scheme suitable for grounding resistance of flexible direct current power distribution system | |
| CN103384058A (en) | Substation area protection based integrated failure protection method for substations | |
| CN106655116A (en) | Relay protection configuration method for overhead-GIL joint line | |
| CN106300292A (en) | 110kV incoming relay-protection comprehensive locking prepared auto restart relay protecting method | |
| CN201789272U (en) | Relay protection circuit preventing transformer differential protection malfunction | |
| CN109784699A (en) | A kind of method of intelligent substation 110kV line segregation SCD file Correctness checking | |
| Nair et al. | IEC 61850 enabled automatic bus transfer scheme for primary distribution substations | |
| CN109800970A (en) | A kind of method of intelligent substation 110kV bus interval SCD file Quadratic Imaginary circuit Correctness checking | |
| CN201860172U (en) | Automatic looped network type distribution network based on reclosers | |
| CN204046277U (en) | On-pole switch station | |
| CN110098599A (en) | A kind of fault handling method and system of overhead lines combined with cable | |
| CN113346462B (en) | Petal type power distribution network contact line protection method based on predicted voltage amplitude | |
| CN109800481A (en) | A kind of method of intelligent substation 110kV prepared auto restart SCD file Quadratic Imaginary circuit Correctness checking | |
| CN113013877B (en) | Method for providing loop closing and transferring between 35kV lines under phase difference condition | |
| JP3611476B2 (en) | Power distribution equipment circuit | |
| CN203326465U (en) | Intelligent SF6 insulation ring main unit | |
| CN201117594Y (en) | Universal type circuit breaker possessing reclosing device | |
| Lubośny et al. | Problems of Selecting Protection for Shunt Reactors Working in Extra-High Voltage Grids | |
| RU2189681C1 (en) | Factory-assembled transformer substation | |
| CN112003232B (en) | Transformer substation tripping coincidence determination method based on network topology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |