CN106959395B - Transformer substation direct current system capable of being operated and maintained remotely - Google Patents
Transformer substation direct current system capable of being operated and maintained remotely Download PDFInfo
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- CN106959395B CN106959395B CN201710194798.1A CN201710194798A CN106959395B CN 106959395 B CN106959395 B CN 106959395B CN 201710194798 A CN201710194798 A CN 201710194798A CN 106959395 B CN106959395 B CN 106959395B
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- 238000012545 processing Methods 0.000 claims abstract description 52
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000012423 maintenance Methods 0.000 claims description 18
- 230000007547 defect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- H02J7/0026—
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a transformer substation direct current system capable of being operated and maintained remotely, which comprises a direct current screen, a PC (personal computer) and a monitoring system, wherein the monitoring system comprises a central processing unit and a monitor, the monitor is used for monitoring a storage battery pack and a charger in real time, the central processing unit is used for receiving and analyzing monitoring data of the monitor, and the PC is connected with the central processing unit and transmits control instructions to the central processing unit; the invention has the advantages that: the storage battery combined charger is monitored in real time through the monitor, monitoring data are received and analyzed through the central processing unit, 24-hour monitoring on the direct current system and comparison analysis on the monitoring data can be achieved, once hidden danger possibly causing accidents occurs, early warning grades are automatically analyzed to perform early warning according to the consequences possibly causing accidents, the operation and inspection personnel are notified according to the judged early warning grades and prompt information, and the operation and inspection personnel can conduct targeted and rapid processing on the problems according to the prompt information.
Description
Technical Field
The invention relates to a transformer substation direct current system capable of being operated and maintained remotely.
Background
At present, a direct current system of the transformer substation is used as an important power supply of the transformer substation, and has important significance for safe operation of the transformer substation. After most substations are unattended, the monitoring information of the direct current system is generally accessed into the comprehensive automatic background system, and as the collected data is not comprehensive enough, maintenance management personnel cannot know the running state of the direct current system and cannot know the current situation of the direct current system and predict the change trend condition of the direct current system comprehensively, even the direct current system is known to have problems after accidents happen, and huge potential safety hazards are brought.
Disclosure of Invention
The invention aims to solve the technical problem of providing a remote operation and maintenance transformer substation direct current system, and solves the problem that the existing operation and maintenance personnel cannot acquire data of the transformer substation direct current system in real time.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a but remote operation's transformer substation direct current system, including direct current screen and the storage battery of setting on the direct current screen, be connected with charging device on the storage battery, be connected with the charger on the storage battery, still include PC and monitored control system, monitored control system includes central processing unit and watch-dog, central processing unit is connected with watch-dog, charging device, the charger respectively, the watch-dog is used for carrying out real-time supervision to storage battery and charger, central processing unit is used for receiving and analyzing the monitored data of watch-dog, be connected with the database server that is used for judging direct current system state on the PC, the PC links to each other and is used for the comparison judgement of monitored data and database server and sends the control command to central processing unit according to the judgement result, the control command includes the first command that controls charging device all to charge or float, control the second command that the charger starts and stops, control the third command that the watch-dog starts and stops, be equipped with the alarm module on the central processing unit, alarm module is received to the alarm information and early warning message to the cell-phone of fortune dimension personnel and maintainer in time.
Preferably, when the charging device is in the process of uniform charging, if the PC judges that the voltage of the storage battery pack exceeds the limit, the PC issues a first instruction to the central processing unit to realize floating charging of the charging device, so that the charging device can be uniformly charged and the floating charging can be converted, and the charging device can be switched to a floating charging state in time when the voltage of the storage battery is respectively out of limit in the process of uniform charging.
Preferably, when the PC judges that the output voltage of the charger exceeds a set value, the PC issues a second instruction to the central processing unit to stop the charger, so that the charger can be overhauled timely.
Preferably, when the PC machine cannot receive the monitoring data of the central processing unit, and the PC machine judges that the monitor is halted, the PC machine sends a third instruction to the central processing unit to stop the monitor, so that the fault defect of halt of the monitor can be timely processed, and reliable monitoring of the data is ensured.
Preferably, a controllable switch for controlling the starting and stopping of the monitor is arranged on the monitor, and the receiving of the stopping instruction can be realized through the controllable switch, so that the reliable operation of the monitor is ensured.
Preferably, the information in the alarm short message comprises potential fault early warning and fault defect alarm, the fault defect alarm comprises fault conditions, fault reasons and fault processing steps, operation and maintenance personnel can rapidly maintain the fault through the fault defect alarm, the potential fault early warning and the potential fault early warning can be sent to mobile phones of the operation and maintenance personnel and the maintenance personnel, reference is provided for the next movement of the operation and maintenance personnel, and the fault is killed in the cradle.
Preferably, the central processing unit is provided with an RS485 interface which is communicated with the PC, the data transmission rate is high, the integral anti-interference capability is strong, and the communication is stable and reliable.
Preferably, the direct current system further comprises an infrared temperature measuring device for temperature detection, the infrared temperature measuring device is connected with the central processing unit, the temperature in the direct current system can be detected in real time, for example, whether the temperature of the output plug board of the charger is detected, whether a loop terminal and a plug connector have heating defects or not is detected in real time, detected data are uploaded to the central processing unit, early warning prompt of faults caused by overhigh temperature can be sent to operation and maintenance personnel, and the safety performance is further improved.
In summary, the invention has the advantages that: 1. the storage battery combined charger is monitored in real time through the monitor, the monitoring data are received and analyzed through the central processing unit, 24-hour monitoring on the direct current system and comparison analysis on the monitoring data can be realized, once the hidden danger possibly causing accidents occurs, the early warning grade is automatically analyzed to perform early warning according to the consequences possibly causing the accidents, the operation personnel is notified according to the judged early warning grade and the prompt information, and the operation personnel can conduct targeted and rapid processing on the problems according to the prompt information;
2. the real-time running state of the direct current system of each site can be displayed on the hand of the operation inspector through the arrangement of the PC, so that the on-site inspection times of the operation inspector are reduced, the operation inspection level of the direct current system is improved, the stability and the reliability of the direct current system are further improved, and the safe running of a power grid is ensured;
3. the control instructions issued to the central processing unit by the PC machine are used for processing the emergency faults of the direct current system, such as the conversion of charging devices for charging or floating charging, when the output voltage of the charging machine exceeds a set value, the faults such as the halt of a monitor and the like can improve the working efficiency of direct current operation and detection, so that a large amount of manpower and material resources are saved, the saving of equipment operation cost is brought to a company, and the social benefit brought by the improvement of the safety performance is also huge;
4. the fault alarming module sends alarming short messages to mobile phones of operation and maintenance personnel, so that timely notification of faults can be realized, accidents can be timely avoided, and safety performance is improved.
Drawings
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a dc system of a transformer substation capable of remote operation and maintenance according to the present invention.
Detailed Description
As shown in fig. 1, a transformer substation direct current system capable of remote operation and maintenance comprises a direct current screen 1, a storage battery pack 2 arranged on the direct current screen 1, a charging device 3 connected to the storage battery pack 2, a charger 4 connected to the storage battery pack 2, a PC 5 and a monitoring system, wherein the monitoring system comprises a central processing unit 6 and a monitor 7, the central processing unit 6 is respectively connected with the monitor 7, the charging device 3 and the charger 4, the monitor 7 is used for monitoring the storage battery pack and the charger in real time, the central processing unit is used for receiving and analyzing monitoring data of the monitor, a database server 8 used for judging the state of the direct current system is connected to the PC 5, the PC is connected with the central processing unit and used for comparing and judging the monitoring data with the database server and sending control instructions to the central processing unit according to judging results, the control instructions comprise a first instruction for controlling the charging device to charge or charge, a second instruction for controlling the charging device to start and stop, a third instruction for controlling the monitor to start and stop, an alarm module is arranged on the central processing unit, the alarm module receives alarm information of the central processing unit and alarm information and early warning information of the mobile phone and sends alarm information of the central processing unit and alarm information to maintenance personnel in time.
The monitor 7 is provided with a controllable switch 9 for controlling the starting and stopping of the monitor, the receiving of a stopping instruction can be realized through the controllable switch, the reliable operation of the monitor is ensured, the information in the alarm short message comprises the early warning of potential faults and the warning of fault defects, the warning of the fault defects comprises fault conditions, fault reasons and fault processing steps, operation and maintenance personnel can rapidly maintain the faults through the warning of the fault defects, the potential fault early warning and the transmission to the operation and maintenance personnel and the maintenance personnel mobile phone can provide reference for the next operation of the operation and maintenance personnel, the faults are killed in a cradle, the central processor 6 is provided with an RS485 interface 61 communicated with the PC 5, the data transmission rate is high, the whole anti-interference capability is strong, and the communication is stable and reliable.
The direct current system still includes temperature detection's infrared temperature measuring device 10, infrared temperature measuring device links to each other with central processing unit, can carry out real-time detection to the temperature in the direct current system, if detect the temperature of charger output plugboard, measure the return circuit terminal, whether the plug connector has the defect of generating heat and detect in real time, and upload the data that detects to central processing unit, can send the warning suggestion that arouses the trouble because the temperature is too high to fortune dimension personnel, further improve security performance, infrared temperature measuring device 10 includes fixed cover and infrared thermometer, be equipped with the recess of fixed infrared thermometer on the fixed cover, install the infrared thermometer on the direct current screen through the fixed cover, can realize the temperature detection of different positions in the direct current screen, guarantee that the direct current screen is working in stable temperature range.
When the charging device is in the process of uniform charging, if the PC judges that the voltage of the storage battery pack exceeds the limit, the PC issues a first instruction to the central processing unit to realize floating charging of the charging device, so that the charging device can be subjected to uniform charging and floating charging conversion, and the charging device can be switched to a floating charging state in time when the voltage of the storage battery is out of limit in the process of uniform charging; when the PC judges that the output voltage of the charger exceeds a set value, the PC issues a second instruction to the central processing unit to stop the charger, so that the charger can be overhauled in time; when the PC machine can not receive the monitoring data of the central processing unit, and the PC machine judges that the monitor is halted, the PC machine sends a third instruction to the central processing unit to stop the monitor, so that the fault defect of halt of the monitor can be timely processed, and reliable monitoring of the data is ensured.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a but remote operation's transformer substation direct current system, includes the direct current screen and sets up the storage battery on the direct current screen, is connected with charging device on the storage battery, is connected with the machine that charges on the storage battery, its characterized in that: the system comprises a storage battery pack, a charging device, a charging machine, a monitoring system, a central processing unit (PC) and a control system, wherein the monitoring system comprises the central processing unit and the monitor, the central processing unit is respectively connected with the monitor, the charging device and the charging machine, the monitor is used for monitoring a storage battery pack and the charging machine in real time, the central processing unit is used for receiving and analyzing monitoring data of the monitor, the PC is connected with a database server used for judging the state of a direct current system, the PC is connected with the central processing unit and is used for comparing and judging the monitoring data with the database server and sending control instructions to the central processing unit according to a judging result, the control instructions comprise a first instruction for controlling the charging device to charge or float, a second instruction for controlling the charging machine to start and stop, and a third instruction for controlling the monitoring device to start and stop, and the fault alarm module is arranged on the central processing unit, and the fault alarm module is used for receiving alarm information and early warning information of the central processing unit and can timely send alarm short messages to mobile phones of operation and maintenance staff;
when the charging device is in the uniform charging process, if the PC judges that the voltage of the storage battery pack exceeds the limit, the PC sends a first instruction to the central processing unit to realize floating charging of the charging device;
when the PC judges that the output voltage of the charger exceeds a set value, the PC issues a second instruction to the central processing unit to stop the charger;
when the PC machine can not receive the monitoring data of the central processing unit, and the PC machine judges that the monitor is dead, the PC machine sends a third instruction to the central processing unit to stop the monitor;
the direct current system also comprises an infrared temperature measuring device for temperature detection, and the infrared temperature measuring device is connected with the central processing unit.
2. A remotely operable direct current system of a substation as defined in claim 1, wherein: the monitor is provided with a controllable switch for controlling the starting and stopping of the monitor.
3. The direct current system of a transformer substation capable of remote operation and maintenance as set forth in claim 1, wherein the information in the alarm message comprises an alarm of potential faults and an alarm of occurrence of fault defects, and the alarm of fault defects comprises a fault condition, a fault cause and a fault processing step.
4. A remotely operable direct current system of a substation as defined in claim 1, wherein: and the central processor is provided with an RS485 interface which is communicated with the PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194798.1A CN106959395B (en) | 2017-03-28 | 2017-03-28 | Transformer substation direct current system capable of being operated and maintained remotely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194798.1A CN106959395B (en) | 2017-03-28 | 2017-03-28 | Transformer substation direct current system capable of being operated and maintained remotely |
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| Publication Number | Publication Date |
|---|---|
| CN106959395A CN106959395A (en) | 2017-07-18 |
| CN106959395B true CN106959395B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710194798.1A Active CN106959395B (en) | 2017-03-28 | 2017-03-28 | Transformer substation direct current system capable of being operated and maintained remotely |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008268143A (en) * | 2007-04-25 | 2008-11-06 | Nippon Telegr & Teleph Corp <Ntt> | Storage battery system |
| CN202177669U (en) * | 2011-06-10 | 2012-03-28 | 杭州高特电子设备有限公司 | Management system for monitoring transformer station DC system device state |
| CN202634082U (en) * | 2012-06-27 | 2012-12-26 | 国家电网公司 | On-line monitoring and early warning system for direct-current equipment of substations |
| CN203299329U (en) * | 2012-04-27 | 2013-11-20 | 商丘市电业局永城分局 | Low-voltage failure power outage alarm |
| CN204615507U (en) * | 2014-12-31 | 2015-09-02 | 国网安徽省电力公司淮南供电公司 | Storage batteries of transformer substation remote core to be discharged attending device to property |
| CN204740306U (en) * | 2015-06-15 | 2015-11-04 | 国网山东高密市供电公司 | Electric leakage SMS alarm device |
-
2017
- 2017-03-28 CN CN201710194798.1A patent/CN106959395B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008268143A (en) * | 2007-04-25 | 2008-11-06 | Nippon Telegr & Teleph Corp <Ntt> | Storage battery system |
| CN202177669U (en) * | 2011-06-10 | 2012-03-28 | 杭州高特电子设备有限公司 | Management system for monitoring transformer station DC system device state |
| CN203299329U (en) * | 2012-04-27 | 2013-11-20 | 商丘市电业局永城分局 | Low-voltage failure power outage alarm |
| CN202634082U (en) * | 2012-06-27 | 2012-12-26 | 国家电网公司 | On-line monitoring and early warning system for direct-current equipment of substations |
| CN204615507U (en) * | 2014-12-31 | 2015-09-02 | 国网安徽省电力公司淮南供电公司 | Storage batteries of transformer substation remote core to be discharged attending device to property |
| CN204740306U (en) * | 2015-06-15 | 2015-11-04 | 国网山东高密市供电公司 | Electric leakage SMS alarm device |
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| CN106959395A (en) | 2017-07-18 |
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