CN110504758B - Substation equipment detection device based on Ethernet physical layer - Google Patents
Substation equipment detection device based on Ethernet physical layer Download PDFInfo
- Publication number
- CN110504758B CN110504758B CN201910880571.1A CN201910880571A CN110504758B CN 110504758 B CN110504758 B CN 110504758B CN 201910880571 A CN201910880571 A CN 201910880571A CN 110504758 B CN110504758 B CN 110504758B
- Authority
- CN
- China
- Prior art keywords
- unit
- physical layer
- analog quantity
- ethernet physical
- clock frequency
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 35
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000035772 mutation Effects 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 15
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
- H04L43/106—Active monitoring, e.g. heartbeat, ping or trace-route using time related information in packets, e.g. by adding timestamps
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electric Clocks (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a substation equipment detection device based on an Ethernet physical layer, which comprises a digital processing unit, an industrial personal computer connected with the digital processing unit, an Ethernet physical detection unit, a clock frequency division unit, an intelligent communication unit, a GPS module unit connected with the clock frequency division unit, a rubidium atomic clock module, an analog quantity acquisition unit, an analog quantity output unit and an input and output unit, wherein the clock frequency division unit is connected with the Ethernet physical detection unit. The invention is an automatic and integrated on-site detection device applied to the requirements of the function and performance detection of equipment of a transformer substation, and can be used for detecting the response time of an Ethernet physical layer and an analog quantity physical layer of a protection device, a measurement and control device, an intelligent terminal and the like of the transformer substation.
Description
Technical Field
The invention relates to a function and performance detection device for intelligent substation equipment, in particular to a substation equipment detection device based on an Ethernet physical layer.
Background
The testing of intelligent substation equipment function, performance detection always is the weak link that intelligent substation detected in the problem of tracing to the source, and at the practical application stage of intelligent substation development, there are following problems:
1. the intelligent substation loop is a physical layer Ethernet, called as a virtual loop, and has no effective test means and test equipment;
2. the intelligent substation equipment collects external physical analog quantity and sends and receives Ethernet messages by the intelligent substation equipment, and the black box is arranged between the external physical analog quantity and the Ethernet messages, so that the correlation and response between the external physical analog quantity and the Ethernet messages cannot be tested;
3. the Ethernet physical layer message can not trace to the real physical quantity;
in each stage of construction and implementation of the intelligent substation, performance and function verification is required to be carried out on various intelligent substation devices, so that the problem of traceability is involved, but a corresponding testing means is lacked at present, and the practical application requirement of the intelligent substation cannot be met.
At present, the function and performance of the domestic existing intelligent substation equipment are detected, and the following defects mainly exist:
1. the existing equipment detection has no condition to trace back to an Ethernet physical layer, only message is captured at an MAC layer, and the message cannot be directly intercepted at the physical layer;
2. the existing equipment detection can not test between external physical analog quantity and physical layer Ethernet message, and can not detect the absolute time of the occurrence moment of the external physical analog quantity and the absolute time of the occurrence moment of the physical layer Ethernet message;
3. because of the problem of tracing, the existing device only estimates the performance detection, cannot really obtain an accurate result, and cannot calculate the time difference between the absolute time of the occurrence time detected by the external physical analog quantity and the absolute time of the occurrence time detected by the physical layer Ethernet message.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a substation equipment detection device based on an Ethernet physical layer, which is an automatic and integrated field detection device applied to substation equipment function and performance detection requirements, can detect the sequential control and spare power automatic switching function of measurement and control equipment and the visual operation, maintenance and overhaul design thereof, and can be used for detecting the response time of the Ethernet physical layer and an analog quantity physical layer of a protection device, a measurement and control device, an intelligent terminal and the like of a substation.
The technical scheme adopted by the invention is as follows:
a substation equipment detection device based on an Ethernet physical layer comprises a digital processing unit, an industrial personal computer connected with the digital processing unit, an Ethernet physical detection unit, a clock frequency division unit, an intelligent communication unit, a GPS module unit connected with the clock frequency division unit, a rubidium atomic clock module, an analog quantity acquisition unit, an analog quantity output unit and an input and output unit, wherein the clock frequency division unit is connected with the Ethernet physical detection unit;
the GPS module unit is used for generating a pulse per second and providing a second starting time for absolute time;
the rubidium atomic clock module is used for generating a rubidium atomic clock;
the clock frequency division unit is used for generating a phase-locked loop clock (as shown in fig. 2) according to the second pulse provided by the GPS module unit and the rubidium atomic clock provided by the rubidium atomic clock;
the digital processing unit is used for controlling the GPS module unit and collecting time information generated by the rubidium atomic clock module so as to mark external analog quantity and control the absolute moment of the physical layer Ethernet;
the clock frequency division unit is used for providing a clock with second pulse and absolute time generated by a rubidium atomic clock as a trigger pulse generated at a specific absolute moment as an absolute moment pulse by depending on the GPS module unit, and providing the absolute moment pulse to the Ethernet physical layer detection unit, the analog quantity acquisition unit and the input-output unit;
the industrial personal computer provides a man-machine operation mode for the windows system and the man-machine interface;
the Ethernet physical layer detection unit is used for intercepting the message of the Ethernet physical layer and marking a time mark for the intercepted message through an absolute time pulse generated by the clock frequency division unit;
the intelligent communication unit is used for connecting the communication equipment with the control software to receive instruction execution data;
the analog quantity acquisition unit and the analog quantity output unit provide an analog quantity interface for the substation equipment and press in time scales for the mutation quantities by means of absolute time pulses of the clock frequency division unit at the time of analog quantity input and output change;
the opening-in opening-out unit is a switching node of the substation equipment, and time marks are input into the switching node by means of absolute time pulses of the clock frequency division unit at the time of change of the switching node.
Preferably, the device to be tested receives the analog quantity signal, measures and controls the switching value change generated at the moment and the sudden change generated in the ethernet physical layer message at the moment of the sudden change of the analog quantity signal, and tests the response time of the measuring and controlling device, which generates the self action behavior due to the external sudden change, through the recorded absolute moment of the sudden change of the analog quantity signal, the recorded switching value displacement and the recorded physical layer ethernet sudden change.
Preferably, the digital processing unit comprises TMS320C6748 and XC7S100, and the TMS320C6748 is used as a control CPU for processing logic operation and controlling the test flow.
Preferably, the rubidium atomic clock module comprises DS _ sa.22c.
Preferably, the GPS module unit includes LEA-6T.
Preferably, the ethernet physical layer detection unit includes XC7K70T, measures ethernet physical layer signals using differential signals, captures data packets in the physical layer, and records absolute time for the physical layer packets by means of absolute time pulses generated by the clock frequency division unit.
Preferably, the intelligent communication unit includes XC3S400E, and the extended MAC receives an ethernet packet.
Preferably, the analog quantity acquisition unit and the analog quantity output unit include AD7608 and LTC2704, the analog quantity output unit receives the absolute time pulse generated by the clock frequency dividing unit and outputs the analog quantity at a specified time, and the analog quantity acquisition unit acquires the analog quantity and records the absolute time of the acquired analog quantity by means of the absolute time pulse generated by the clock frequency dividing unit.
Preferably, the clock frequency dividing unit and the digital processing unit are connected by a parallel port bus interface: the digital processing unit and the GPS module unit are connected by adopting an RS232 interface; the clock frequency division unit is connected with the rubidium atomic clock module by adopting a serial port interface; the clock frequency division unit is connected with the GPS module unit to form pulse per second; the analog quantity acquisition unit, the analog quantity output unit and the digital processing unit adopt SPI interfaces; and an MII bus is adopted between the digital processing unit and the Ethernet physical layer detection unit.
The invention has the beneficial effects that:
(1) the invention realizes that a GPS module unit acquires absolute time, GPS second pulse and rubidium atomic clock enter a clock frequency division unit, and the clock frequency division unit generates a phase-locked loop clock according to the second pulse, thereby generating absolute time which is used as a source for marking external analog quantity and Ethernet physical layer message absolute time;
(2) according to the invention, the absolute time of the Ethernet message header is obtained by generating the phase-locked loop clock according to the pulse per second by the measuring clock frequency dividing unit and decoding the Ethernet physical layer by the Ethernet physical layer detection unit, and the detection can be carried out aiming at the Ethernet virtual circuit of the physical layer of the intelligent substation, wherein the virtual circuit is the IEC61850 protocol of the substation equipment, specifically, the IEC 618509-2 message and the IEC61850-GOOSE message of the Ethernet physical layer. The invention can mark the absolute moment of occurrence of the Ethernet physical layer message, thereby being used as an effective test means and a technical support for the operation of the intelligent station by test equipment;
(3) the invention realizes that the phase-locked loop clock according to the pulse per second is generated by the measuring clock frequency division unit and the analog quantity is acquired by the analog quantity acquisition unit to obtain the absolute time of the analog quantity and accurately measure the response time between the external physical analog quantity and the Ethernet message. The invention can output the analog quantity, simultaneously collects the absolute time of the analog quantity mutation, and the mutation of the virtual circuit of the intelligent substation caused by the analog quantity mutation can realize the traceability detection of the response time test due to the collection of the absolute time of the analog quantity mutation and the absolute time of the virtual circuit of the intelligent substation.
(4) The invention clock frequency division unit receives high stable rubidium atomic clock and GPS clock, through tame rubidium atomic clock, produce pulse signal including absolute moment with pulse per second as the beginning, trigger Ethernet physical layer detecting element and analog quantity acquisition unit and open and close unit by pulse signal, because the detecting device records the absolute moment of analog quantity signal sudden change and switching value deflection and physical layer Ethernet sudden change, can test the response time of the measuring and controlling device generating self action behavior because of the external sudden change
Drawings
Fig. 1 is a schematic block diagram of a substation equipment detection device based on an ethernet physical layer according to the present invention;
FIG. 2 is a functional block diagram of a clock unit of the present invention;
FIG. 3 is a schematic block diagram of a tag clock of an Ethernet physical layer detection unit in accordance with the present invention;
fig. 4 is a functional block diagram of an analog mark clock in the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The embodiment of the invention provides a substation equipment detection device based on an Ethernet physical layer, which is an automatic and integrated field detection device applied to the requirements of substation equipment function and performance detection and can be used for detecting the response time of the Ethernet physical layer and an analog quantity physical layer of a protection device, a measurement and control device, an intelligent terminal and the like of a substation.
As shown in fig. 1, the detection device includes a digital processing unit, an industrial personal computer connected to the digital processing unit, an ethernet physical detection unit, a clock frequency division unit, an intelligent communication unit, and a GPS module unit, a rubidium atomic clock module, an analog acquisition unit, an analog output unit, and an input/output unit connected to the clock frequency division unit, where the clock frequency division unit is connected to the ethernet physical detection unit.
The GPS module unit is used for generating a pulse per second and providing a second starting time for absolute time;
the rubidium atomic clock module is used for generating a rubidium atomic clock;
the clock frequency division unit is used for generating a phase-locked loop clock (as shown in fig. 2) according to the second pulse provided by the GPS module unit and the rubidium atomic clock provided by the rubidium atomic clock;
the digital processing unit is used for controlling the GPS module unit and collecting time information generated by the rubidium atomic clock module so as to mark external analog quantity and control the absolute moment of the physical layer Ethernet;
the clock frequency division unit is used for providing a clock with second pulse and absolute time generated by a rubidium atomic clock as a trigger pulse (namely an absolute time pulse) generated at a specific absolute time to the Ethernet physical layer detection unit, the analog quantity acquisition unit and the input/output unit by depending on the GPS module unit;
the industrial personal computer provides a man-machine operation mode for the windows system and the man-machine interface;
the ethernet physical layer detection unit is configured to intercept a packet of the ethernet physical layer, mark a time mark (as shown in fig. 3) on the intercepted packet by using an absolute time pulse generated by the clock frequency division unit, and measure a signal of the ethernet physical layer by using a differential signal;
the intelligent communication unit is used for expanding the MAC to receive the Ethernet message;
the analog quantity acquisition unit and the analog quantity output unit provide an analog quantity interface for the substation equipment, and time scales are input into the time scales (as shown in FIG. 4) for the mutation quantities by means of absolute time pulses of the clock frequency division unit at the time of analog quantity input and output change;
the opening-in and opening-out unit is a switching node of the substation equipment, and time marks are input into the switching node by means of absolute time pulses of the clock frequency division unit at the moment of change of the switching node;
the device to be tested receives the analog quantity signal, measures and controls the switching value change generated at the moment and generates the mutation in the Ethernet physical layer message at the moment of the mutation of the analog quantity signal.
The digital processing unit comprises TMS320C6748 and XC7S100, and the TMS320C6748 is used as a control CPU for processing logic operation and controlling a test flow. XC7S100 can drive an analog quantity acquisition unit and an analog quantity output unit;
the rubidium atomic clock module comprises a DS _ SA.22c and generates a stable clock.
The clock frequency division unit comprises XC7K70T, a phase-locked loop clock generated by a second pulse generated by the GPS module unit and a clock of the rubidium atomic clock generates a 6M frequency output which is synchronous with the second pulse, and the frequency output depends on the high precision and high stability of the rubidium atomic clock and the synchronization of the frequency output starting point with the second pulse every second, thus generating a high-resolution absolute time. The pulse is provided to the Ethernet physical layer detection unit, the analog quantity acquisition unit and the analog quantity output unit to be used as an absolute time source of the captured data of the units.
The GPS module unit includes LEA-6T, generating pulses of seconds.
The Ethernet physical layer detection unit comprises XC7K70T, measures Ethernet physical layer signals by using differential signals, captures data messages at a physical layer, and records absolute time for the physical layer messages by means of absolute time pulses generated by the clock frequency division unit.
The intelligent communication unit comprises XC3S400E, and the extended MAC receives the Ethernet message.
The analog quantity acquisition unit and the analog quantity output unit comprise AD7608 and LTC2704, the analog quantity output unit receives the absolute time pulse generated by the clock frequency dividing unit and outputs analog quantity at a specified time, and the analog quantity acquisition unit acquires the analog quantity and records absolute time for the acquired analog quantity by depending on the absolute time pulse generated by the clock frequency dividing unit.
And the digital processing unit and the GPS module unit are connected by adopting an RS232 interface.
The clock frequency division unit is connected with the digital processing unit by adopting a parallel port bus interface.
The clock frequency division unit is connected with the rubidium atomic clock module by adopting a serial port interface.
The clock frequency division unit is connected with the GPS module unit to form pulse per second.
The analog quantity acquisition unit, the analog quantity output unit and the digital processing unit adopt SPI interfaces.
And an MII bus is adopted between the digital processing unit and the Ethernet physical layer detection unit.
The specific working principle of the device of the invention is as follows:
1) the substation equipment detection device receives the second pulse of the GPS module unit and the rubidium atomic clock of the rubidium atomic clock module, and the clock frequency division unit generates the phase-locked loop clock.
2) The substation equipment detection device marks respective absolute time through the analog quantity acquisition unit and the analog quantity output unit through the phase-locked loop clock.
3) And generating absolute time and internal sampling calculation by the analog quantity and the message to obtain a test result.
4) The analog quantity of the substation equipment detection device is applied to the substation equipment, the substation equipment can generate response due to a mutation signal generated by the applied analog quantity, the substation response mode is a physical layer message of the Ethernet, and the response time of the substation equipment detection device and the response time of the substation equipment message can be calculated due to the fact that the substation equipment detection device marks the moment of the mutation of the analog quantity and the response moment of the substation equipment message, and the true time interval of traceability is obtained.
Claims (8)
1. The utility model provides a substation equipment detection device based on ethernet physical layer which characterized in that: the system comprises a digital processing unit, an industrial personal computer connected with the digital processing unit, an Ethernet physical detection unit, a clock frequency division unit, an intelligent communication unit, a GPS module unit connected with the clock frequency division unit, a rubidium atomic clock module, an analog quantity acquisition unit, an analog quantity output unit and an input/output unit, wherein the clock frequency division unit is connected with the Ethernet physical detection unit;
the GPS module unit is used for generating a pulse per second and providing a second starting time for absolute time;
the rubidium atomic clock module is used for generating a rubidium atomic clock;
the clock frequency division unit is used for generating a phase-locked loop clock according to the second pulse provided by the GPS module unit and the rubidium atomic clock provided by the rubidium atomic clock;
the digital processing unit is used for controlling the GPS module unit and collecting time information generated by the rubidium atomic clock module so as to mark external analog quantity and control the absolute moment of the physical layer Ethernet;
the clock frequency division unit is used for providing a clock with second pulse and absolute time generated by a rubidium atomic clock as a trigger pulse generated at a specific absolute moment as an absolute moment pulse by depending on the GPS module unit, and providing the absolute moment pulse to the Ethernet physical layer detection unit, the analog quantity acquisition unit and the input-output unit;
the industrial personal computer provides a man-machine operation mode for the windows system and the man-machine interface;
the Ethernet physical layer detection unit is used for intercepting the message of the Ethernet physical layer, marking a time mark on the intercepted message through an absolute time pulse generated by the clock frequency division unit, and measuring the signal of the Ethernet physical layer by using a differential signal;
the intelligent communication unit is used for connecting the communication equipment with the control software to receive instruction execution data;
the analog quantity acquisition unit and the analog quantity output unit provide an analog quantity interface for the substation equipment and press in time scales for the mutation quantities by means of absolute time pulses of the clock frequency division unit at the time of analog quantity input and output change;
the opening-in and opening-out unit is a switching node of the substation equipment, and time marks are input into the switching node by means of absolute time pulses of the clock frequency division unit at the moment of change of the switching node;
and the equipment to be measured and controlled receives the analog quantity signal, measures and controls the switching value change generated at the moment and generates the mutation in the Ethernet physical layer message at the moment of the mutation of the analog quantity signal, and tests the response time of the measuring and controlling device, which generates self action behavior due to the external mutation, through the recorded absolute moment of the mutation of the analog quantity signal, the displacement of the switching value and the mutation of the Ethernet of the physical layer.
2. The ethernet physical layer based substation equipment detection apparatus of claim 1, wherein: the digital processing unit comprises TMS320C6748 and XC7S100, and the TMS320C6748 is used as a control CPU and is used for processing logic operation and controlling a test flow.
3. The ethernet physical layer based substation equipment detection apparatus of claim 1, wherein: the rubidium atomic clock module comprises DS _ SA.22c.
4. The ethernet physical layer based substation equipment detection apparatus of claim 1, wherein: the GPS module unit includes LEA-6T.
5. The ethernet physical layer based substation equipment detection apparatus of claim 1, wherein: the Ethernet physical layer detection unit comprises XC7K70T, measures Ethernet physical layer signals by using differential signals, captures data messages at a physical layer, and records absolute time for the physical layer messages by means of absolute time pulses generated by the clock frequency division unit.
6. The ethernet physical layer based substation equipment detection apparatus of claim 1, wherein: the intelligent communication unit comprises XC3S400E, and the extended MAC receives the Ethernet message.
7. The ethernet physical layer based substation equipment detection apparatus of claim 1, wherein: the analog quantity acquisition unit and the analog quantity output unit comprise AD7608 and LTC2704, the analog quantity output unit receives the absolute time pulse generated by the clock frequency dividing unit and outputs analog quantity at a specified time, and the analog quantity acquisition unit acquires the analog quantity and records absolute time for the acquired analog quantity by depending on the absolute time pulse generated by the clock frequency dividing unit.
8. The Ethernet physical layer based substation equipment detection device of claim 1, wherein; the clock frequency division unit is connected with the digital processing unit by adopting a parallel port bus interface: the digital processing unit and the GPS module unit are connected by adopting an RS232 interface; the clock frequency division unit is connected with the rubidium atomic clock module by adopting a serial port interface; the clock frequency division unit is connected with the GPS module unit to form pulse per second; the analog quantity acquisition unit, the analog quantity output unit and the digital processing unit adopt SPI interfaces; and an MII bus is adopted between the digital processing unit and the Ethernet physical layer detection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880571.1A CN110504758B (en) | 2019-09-18 | 2019-09-18 | Substation equipment detection device based on Ethernet physical layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880571.1A CN110504758B (en) | 2019-09-18 | 2019-09-18 | Substation equipment detection device based on Ethernet physical layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110504758A CN110504758A (en) | 2019-11-26 |
| CN110504758B true CN110504758B (en) | 2021-04-27 |
Family
ID=68592228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880571.1A Active CN110504758B (en) | 2019-09-18 | 2019-09-18 | Substation equipment detection device based on Ethernet physical layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110504758B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865299A (en) * | 2020-12-31 | 2021-05-28 | 南京景诺电气有限公司 | Intelligent substation consistency test method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291059A (en) * | 2007-08-28 | 2008-10-22 | 东南大学 | Electricity quality analyzer oriented to digitalized electrical system and electricity quality analysis method |
| CN101650548A (en) * | 2009-08-31 | 2010-02-17 | 江苏方天电力技术有限公司 | Time setting device for digital substation |
| CN102957209A (en) * | 2012-11-06 | 2013-03-06 | 浙江省电力公司 | Integrated measurement and control device of intelligent transformer substation |
| CN103346616A (en) * | 2013-07-09 | 2013-10-09 | 广东电网公司电力调度控制中心 | Auxiliary detection method and system of transformer substation protecting, measuring and controlling device |
| CN104880624A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Wireless test system used for transformer substation system debugging and wireless measurement method used for transformer substation system debugging |
| CN105553761A (en) * | 2015-12-11 | 2016-05-04 | 国网四川省电力公司电力科学研究院 | IEC61850 conformance testing hardware platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119376B (en) * | 2015-09-09 | 2017-08-22 | 许继集团有限公司 | A kind of sampling implementation method and device based on routine sampling GOOSE tripped modes |
-
2019
- 2019-09-18 CN CN201910880571.1A patent/CN110504758B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291059A (en) * | 2007-08-28 | 2008-10-22 | 东南大学 | Electricity quality analyzer oriented to digitalized electrical system and electricity quality analysis method |
| CN101650548A (en) * | 2009-08-31 | 2010-02-17 | 江苏方天电力技术有限公司 | Time setting device for digital substation |
| CN102957209A (en) * | 2012-11-06 | 2013-03-06 | 浙江省电力公司 | Integrated measurement and control device of intelligent transformer substation |
| CN103346616A (en) * | 2013-07-09 | 2013-10-09 | 广东电网公司电力调度控制中心 | Auxiliary detection method and system of transformer substation protecting, measuring and controlling device |
| CN104880624A (en) * | 2015-04-24 | 2015-09-02 | 国网四川省电力公司电力科学研究院 | Wireless test system used for transformer substation system debugging and wireless measurement method used for transformer substation system debugging |
| CN105553761A (en) * | 2015-12-11 | 2016-05-04 | 国网四川省电力公司电力科学研究院 | IEC61850 conformance testing hardware platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110504758A (en) | 2019-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201886095U (en) | Test device of merging unit | |
| CN102608450B (en) | Testing and verifying system appropriate for intelligent transformer substation and verifying method | |
| CN101771487B (en) | Equipment for network time service precision detection and detection method using detection equipment | |
| CN208188313U (en) | A kind of electric energy meter calibrating apparatus with built-in monitoring base table | |
| CN108845281B (en) | Online comparison detection method for power quality monitoring device | |
| CN107313052B (en) | Pipeline cathode potential synchronous detection system and detection method | |
| CN103995198A (en) | Analog input merging unit metering performance detection device and detection method thereof | |
| CN104459435A (en) | Wiring verification method and device for transformer substation | |
| CN106921522A (en) | Intelligent substation network message record analysis device networked information model inspection device | |
| CN105548769A (en) | Relay protection action delay time grading test system and method | |
| CN102621512A (en) | Dynamic simulation test method for timekeeping performance of merging unit | |
| CN105355021A (en) | ZigBee-based remote wireless meter reading system and performance detection method thereof | |
| CN110504758B (en) | Substation equipment detection device based on Ethernet physical layer | |
| CN104392603B (en) | A kind of live power information collecting device intelligent diagnosis system | |
| CN111520191A (en) | Testing device and testing method for digital coal mine safety monitoring system | |
| CN105785170A (en) | Intelligent transformer substation oriented data flow panoramic displaying device and intelligent transformer substation oriented data flow panoramic displaying method | |
| CN103595582B (en) | High-accuracy synchronous system detection device applied to intelligent transformer substation | |
| CN103983935A (en) | Indicating instrument detecting system and method | |
| CN204155074U (en) | A kind of time response verifying attachment for intelligent substation | |
| CN202758047U (en) | Circuit for timely detecting time performance of signal relay of test equipment | |
| CN203788304U (en) | Device for testing function of hardware interface | |
| CN106411483A (en) | Method and system for detecting instrument communication baud rate accuracy | |
| CN210953042U (en) | Synchronous method flow testing device | |
| CN203084183U (en) | Electronic mutual inductor calibration test device based on IEEE1588 time setting mode | |
| CN213337805U (en) | Digital electric energy meter with error test function |
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 |