CN109638971A - A kind of full state station grounding net monitoring system of dispersed distribution formula and control method - Google Patents
A kind of full state station grounding net monitoring system of dispersed distribution formula and control method Download PDFInfo
- Publication number
- CN109638971A CN109638971A CN201910090671.4A CN201910090671A CN109638971A CN 109638971 A CN109638971 A CN 109638971A CN 201910090671 A CN201910090671 A CN 201910090671A CN 109638971 A CN109638971 A CN 109638971A
- Authority
- CN
- China
- Prior art keywords
- grounded screen
- ground resistance
- full
- station
- data
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000009826 distribution Methods 0.000 title claims abstract description 27
- 238000007726 management method Methods 0.000 claims abstract description 83
- 238000004891 communication Methods 0.000 claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 claims abstract description 61
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 37
- 239000004020 conductor Substances 0.000 claims description 21
- 238000004458 analytical method Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000005622 photoelectricity Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000035800 maturation Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000007774 longterm Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000003862 health status Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/166—Editing, e.g. inserting or deleting
- G06F40/177—Editing, e.g. inserting or deleting of tables; using ruled lines
- G06F40/18—Editing, e.g. inserting or deleting of tables; using ruled lines of spreadsheets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- General Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention discloses a kind of full state station grounding net monitoring system of dispersed distribution formula and control method, comprising: grounded screen monitoring management work station, field monitoring and communication subsystem；Grounded screen monitoring management work station includes industrial computer, printer, communication gate and data/address bus；Industrial computer realizes that each functional module scheduling of total system is coordinated, data acquisition, storage, statisticallyd analyze, output result；Data confluence and interaction in data/address bus completion system, acquire management system for monitoring interaction data by communication gate and field monitoring equipment and power plant production information；Communication gate realizes that inside and outside data receive and send, setting firewall protection system safety；The written result of printer output.Industrial computer, printer, communication gate are electrically connected with data/address bus.This system structure is simple, technology maturation, failure rate are low, high reliablity, cost and day-to-day operation safeguard that simple expense is low.
Description
Technical field
The present invention relates to ground resistance monitorings, are related to the grounded screen monitoring technology more particularly to a kind of dispersion point in power plant
The full state station grounding net monitoring system of cloth and control method.
Background technique
Thermal power plant electrical equipment quantity, type are numerous and jumbled, for protection the person and equipment safety and guarantee electrical system and
Equipment operates normally, and electrical equipment must be grounded or connect zero.In order to by the electricity of various different purposes and various different voltages grades
Gas equipment ground, full factory are equipped with total earthing or grounding means, Ji Quan factory grounded screen.The grounding body that full factory's grounded screen will allow to connect in factory
It is joined together to form netted, reduction ground resistance, raising Earthing Reliability.Full factory's Resistance of Grounding Grids satisfaction is wherein grounded
The requirement of the smallest electrical equipment of resistance.
According to the requirement of working equipment and protection type, power plant primary ground type and it is to ground resistance: connects greatly
Ground short circuit current system, power frequency earthing resistance are not more than 5 ohm；Small earth short circuit current system, power frequency earthing resistance are not more than
15 ohm；Electrical equipment of low voltage protective grounding power frequency earthing resistance is not more than 10 ohm；The earthing or grounding means of independent lightning rod, in order to
It prevents from striking back, not connect with main grounding grid generally, impulse earthed resistance is not more than 10 ohm；Anti-static grounding power frequency earthing resistance
No more than 30 ohm；Digitizer is grounded D.C. resistance and is not more than 30 ohm.
Ground connection facility relevant to protection personal safety has equal pressure zone in booster stations；With the normal running conditions of system operation
Relevant have a power supply-distribution system working earthing, the work and protective grounding of protective relaying device, the logic ground of digitizer,
Bonding of communication apparatus etc..
Above-mentioned to be related to that station grounding device is large number of, type is numerous and jumbled, technical requirements are different, the state of grounded screen is to just
Normal production and safety operation is essential, should indeed take advanced informationization technology measure, to realize effective real-time automatic monitoring,
Monitoring result is reported into full factory's production information monitoring net.
It can be to station grounding net using the full state station grounding electrical resistance monitoring system of dispersed distribution formula and control method
Full state, all region covering are carried out, dispersed distribution formula system rack realizes real-time continuous sampling monitoring on the spot, remote automation collection
Middle monitoring grasps the working condition of grounded screen comprehensively, scents a hidden danger in advance, takes corrective measure in time, reduces accident, improves hair
Power plant's production run reliability.
There is presently no the full state station grounding electrical resistance monitoring system of perfect dispersed distribution formula and control methods.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of full state power plants of dispersed distribution formula
Ground resistance monitors system and control method.By this system, operations staff can grasp the working condition of grounded screen comprehensively, mention
High power plant production run safety and reliability.
In order to achieve the above objectives, the present invention is to be achieved through the following technical solutions:
A kind of full state station grounding net of dispersed distribution formula monitors system, comprising: grounded screen monitoring management work station and more
A distributable field monitoring and communication subsystem；
Each field monitoring and communication subsystem include the full work ground resistance measuring instrument of intelligence, the second communication gate, survey
Measure circuit connection conductor and connection element；The full work ground resistance measuring instrument of intelligence is electrically connected via the second communication gate with data/address bus
It connects, realization is interacted with the instruction and data of grounded screen monitoring management work station；Each full work ground resistance measuring instrument of intelligence is through surveying
It measures circuit connection conductor and connection element and constitutes complete measurement circuit with the connection of the grounded screen of corresponding monitoring；
The grounded screen monitoring management work station includes that industrial computer, printer, the first communication gate and data are total
Line；Industrial computer, printer, the first communication gate are electrically connected with data/address bus；First communication gate is connected to power plant
Production information acquires monitoring management system.
As a further improvement of the present invention, measurement circuit connection conductor and coupling element include auxiliary earth
Stick, hard conductor and wire clamp, auxiliary earth stick and wire clamp are connect with hard conductor.
As a further improvement of the present invention, the grounded screen includes that booster stations local ground net is connected, lightning rod is only
Vertical grounded screen, collection control block domain grounded screen, Network Control Center local ground net, fuel handling and conduit region grounded screen, communication
Machine room area grounded screen and plant area's central area grounded screen；Grounded screen is connect with the full work ground resistance measuring instrument of an intelligence.
As a further improvement of the present invention, between the data/address bus and the first communication gate, data/address bus and
Optical fiber cables are all made of between two communication gates to electrically connect.
As a further improvement of the present invention, the full work ground resistance measuring instrument of the described intelligence, the first communication gate and the
Two communication gates, which are mounted in instrument cabinet and are arranged in, closes on institute's monitoring grounding net scene；Grounded screen monitoring management work station is beaten
Print machine is arranged in central station of floating dock.
It as a further improvement of the present invention, further include portable operator station, portable operator station and the full work of intelligence
Ground resistance measuring instrument connection assigns work order for operations staff manually.
A kind of control method of the full state station grounding net monitoring system of dispersed distribution formula, comprising:
The full work ground resistance measuring instrument of intelligence measures the ground resistance of the grounded screen in connected production scene region, will survey
Amount result is sent to grounded screen monitoring management work station by data/address bus and is analyzed；Grounded screen monitoring management work station is according to existing
Field operating condition, the operating mode of the full work ground resistance measuring instrument of dispatch coordination total system intelligence:
Under conventional operating mode, the full work ground resistance measuring instrument of the intelligence work determining according to grounded screen monitoring management work station
Make period and frequency, automatically the ground resistance of the grounded screen in the connected production scene region of continuous measurement；
Under production procedure or external condition linkage work mode, production procedure or external condition state reach system work and open
Dynamic condition, system can start automatically the full work ground resistance measuring instrument of intelligence according to corresponding job requirement with the scheduled duty cycle
And frequency, measure the ground resistance of the grounded screen in connected production scene region.
8 as a further improvement of the present invention, conventional operating mode specifically:
The full work ground resistance measuring instrument of intelligence is according to grounded screen monitoring management work station determining duty cycle and frequency, certainly
The ground resistance of the grounded screen in the connected production scene region of the dynamic continuous measurement in ground, and measurement result is passed through into the second communication network
It closes and data/address bus is sent to grounded screen monitoring management work station and carries out analysis storage, generate report, show and call.
As a further improvement of the present invention, production procedure or external condition linkage work mode specifically:
When grounded screen monitoring management work station detects that production procedure or external condition state reach system work trip bar
Part, grounded screen monitoring management work station is according to corresponding job requirement, and the automatic full work ground resistance measuring instrument of starting intelligence is with pre-
The fixed duty cycle and frequency measures the ground resistance of the grounded screen in connected production scene region, measurement result is passed through
Communication gate, data/address bus are sent to grounded screen monitoring management work station and carry out analysis storage, require analysis storage, life according to instruction
It is called at special report, display.
Compared with prior art, the invention has the following beneficial technical effects:
The full work ground resistance measuring instrument of present system application intelligence completes in-site measurement and generates message chart function；With
Grounded screen monitoring station realizes system administration, acquires management system for monitoring data interaction with power plant production information.Based on hair
The different function of power plant's grounded screen, technical requirements, distributed areas are made according to the environment of grounded screen operation and meteorological condition, production
Industry arrangement, automatically according to function and region, carries out continuous or periodic monitoring to full factory's grounded screen by program setting.Root
According to monitoring result, the state of current grounded screen is judged；According to long term monitoring data, the variation tendency of grounded screen is concluded and predicted,
Message chart is generated to upload to power plant production information acquisition management system for monitoring.By this system, operations staff can be complete
The working condition of face grasp grounded screen.When grounded screen mutate, system issue warning, to operations staff report fault data and
Region；System draws grounded screen trend chart, scents a hidden danger in advance according to long term monitoring data.Operations staff can be timely
Corrective measure is taken, power plant production run safety and reliability are improved.
Control method of the invention is set based on the numerous and jumbled distribution system running environment in power plant and a large amount of electric device
It is standby, to the grounded screen in power plant safe and reliable operation complicated technical requirements, pointedly with automation, information-based prison
It surveys and management measure, region, type, universe regular continuous measurement of Grounding Resistance in combination, completely and specifically monitoring grounding
The health status of net grasps the variation tendency of grounded screen, builds up station grounding net management database and management system, and be included in
Full factory's production information acquires management system for monitoring, and polishing power plant does not have the notch of grounded screen special management, improves power plant
The safety and reliability and management level of electrical grounding.
Preferably, the full work ground resistance measuring instrument of system application intelligence completes in-site measurement and generates message chart function
Energy；System administration is realized with grounded screen monitoring station, acquires management system for monitoring data interaction with power plant production information.
Detailed description of the invention
Fig. 1 is the configuration wiring diagram of present system；
In figure: 1, grounded screen monitoring management work station；2, the full work ground resistance measuring instrument of intelligence；3, data/address bus；4, even
Connect conductor and connection element；5, portable operator station；6, printer；7, the first communication gate；8, the second communication gate；9, work
Industry computer.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
As shown in Figure 1, a kind of full state station grounding net of dispersed distribution formula of the present invention monitors system, comprising: grounded screen prison
Survey management work station 1, field monitoring and communication subsystem；
The grounded screen monitoring management work station 1 includes industrial computer 9, printer 6,7 sum number of the first communication gate
According to bus 3, the data-interface of industrial computer 9, printer 6 and the first communication gate 7 passes through data line and data/address bus 3 respectively
Connection, the data outlet end of communication gate 7 are connected to power plant production information acquisition management system for monitoring；
The field monitoring and communication subsystem includes the full work ground resistance measuring instrument 2 of intelligence, 8 and of the second communication gate
Connect conductor and connection element 4；Complete 2 data port of work ground resistance measuring instrument of intelligence and the second communication gate 8 pass through data line electricity
Connection, the data-interface of the second communication gate 8 pass through data line respectively and connect with data/address bus 3, and the full work ground resistance of intelligence is surveyed
Amount instrument 2 measures working end and is electrically connected by connection conductor and connection element 4 with corresponding local ground net.The full work ground connection electricity of intelligence
Resistance 2 high-speed data mouth of measuring instrument is electrically connected with 5 data line of portable operator station.
The full work ground resistance measuring instrument 2 of intelligence is connected by platform with grounded screen by the technical requirements and area distribution of ground connection.The
The full work ground resistance measuring instrument 2 of one intelligence is connected with booster stations local ground net；The full work ground resistance measuring instrument 2 of second intelligence with
Lightning rod independent grounding net is connected；The full work ground resistance measuring instrument 2 of third intelligence is connect with collection control block domain grounded screen；4th intelligence
It work ground resistance measuring instrument 2 can be connect entirely with Network Control Center local ground net；The full work ground resistance measuring instrument 2 of 5th intelligence with
Fuel handling is connected with conduit region grounded screen；The full work ground resistance measuring instrument 2 of 6th intelligence and communications equipment room local ground net
Connection；The full work ground resistance measuring instrument 2 of 7th intelligence is connect with plant area's central area grounded screen.
Industrial computer realizes that each functional module scheduling of total system is coordinated, data acquisition, storage, statisticallys analyze, is defeated
Result out；Data confluence and interaction in data/address bus completion system, it is raw by communication gate and field monitoring equipment and power plant
Produce information collection management system for monitoring interaction data；Communication gate realizes that inside and outside data receive and send, and firewall protection is arranged
System safety；The written result of printer output.Industrial computer, printer, communication gate are electrically connected with data/address bus.Using
Automate complex control system, spot sampling, analytical calculation, automatic output control.
Wherein, measurement circuit connection conductor and coupling element 4 include auxiliary earth stick, hard conductor and wire clamp, are copper material
Production.The full work ground resistance measuring instrument 2 of intelligence and the grounded screen that is monitored are via connecting conductor and the connection of connection element 4 at complete
Measure circuit.
Optical fiber cables are all made of between data/address bus 3 and communication gate 7 to electrically connect.The full work ground resistance measuring instrument 2 of intelligence has
Standby full state ground resistance multichannel patrols brake, it can the full state ground resistance such as monitoring power frequency, impact, direct current connects multiple surveys
Measure object itinerant monitor system.The full work ground resistance measuring instrument 2 of intelligence and communication gate 7 are mounted in instrument cabinet, are arranged in and are closed on institute
Monitoring grounding net is live nearby；Grounded screen monitoring management work station 1, printer 6 are arranged in central station of floating dock.Portable operator station
5 be laptop, the full work ground resistance measuring instrument 2 of the intelligence that can plug into, implementation setting, adjusting, data management and interaction,
The functions such as safety management.
Embodiment
As shown in Figure 1, a kind of full state station grounding net of dispersed distribution formula monitors system, including industrial computer 9, intelligence
Full work ground resistance measuring instrument 2, data/address bus 3, connection conductor and connection element 4, portable operator station 5, printer 6, the
One communication gate 7 and the second communication gate 8.
The data-interface of industrial computer 9, printer 6 and the first communication gate 7 passes through data line and data/address bus 3 respectively
Connection, the data outlet end of the first communication gate 7 are connected to power plant production information acquisition management system for monitoring.
Complete 2 data port of work ground resistance measuring instrument of intelligence is electrically connected with the second communication gate 8 by data line, the second communication
The data-interface of gateway 8 passes through data line respectively and connect with data/address bus 3, and the full work ground resistance measuring instrument 2 of intelligence measures work
End is electrically connected by connection conductor and connection element 4 with corresponding local ground net.Complete 2 high speed of work ground resistance measuring instrument of intelligence
Data port is electrically connected with 5 data line of portable operator station.
System is controlled by computer program, can choose automatic or manual operating mode.Under automatic operation mode, intelligence is complete
Work ground resistance measuring instrument 2 is according to the determining duty cycle of grounded screen monitoring management work station 1 and frequency, automatically continuous measurement
The ground resistance of the grounded screen in the production scene region connected.Measurement result is sent to grounded screen monitoring by data/address bus 3
Management work station 1 carries out analysis storage.This data is long-term observation Resistance of Grounding Grids steady-state value, can be used as monitoring and connects
Ground Running State and the underlying parameter of system operating mode adjusting.
Under manual work pattern, system receives operations staff and assigns instruction, executes monitoring, generates report.Operations staff is logical
Cross grounded screen monitoring management work station 1, portable operator station 5 or operation circle by the full work ground resistance measuring instrument 2 of intelligence
Work order is assigned in face, and system executes instruction defined measurement process, monitors the ground resistance of the grounded screen in specified region, will survey
Amount result is sent to grounded screen monitoring management work station 1 by data/address bus 3 and carries out analysis storage, requires to generate according to instruction special
Report.
Grounded screen monitoring management work station 1, data/address bus 3, printer 6 and the first communication gate 7 are arranged in central station of floating dock,
There are heating and ventilation, lighting installation in interior.The full work ground resistance measuring instrument 2 of intelligence and communication gate 7 are arranged in instrument cabinet
It is live nearby to close on institute's monitoring grounding net, can be connect nearby conveniently by connection conductor and connection element 4 with corresponding region
Earth mat electrical connection.
It connects conductor and connection element 4 uses copper material, Equipment Foundations load equipment load requirement, firm straight, embedded part ruler
It is very little accurate.
The present invention also provides a kind of control methods of the full state station grounding net monitoring system of dispersed distribution formula, including with
Lower step:
The full work ground resistance measuring instrument 2 of intelligence measures the ground resistance of the grounded screen in connected production scene region, will
Measurement result is sent to grounded screen monitoring management work station 1 by data/address bus 3 and is analyzed；Grounded screen monitoring management work station 1
According to field working conditions, the operating mode of the full work ground resistance measuring instrument of dispatch coordination total system intelligence；
Under conventional operating mode, the full work ground resistance measuring instrument of the intelligence work determining according to grounded screen monitoring management work station
Make period and frequency, automatically the ground resistance of the grounded screen in the connected production scene region of continuous measurement.Such as measurement frequency
It is 12 hours, the period 7 days, working hour was 3 months.Then the full work ground resistance measuring instrument of intelligence automatically starts the time in setting
Point implements one-shot measurement, measures the local ground net grounding resistance after 12 hours again；After 7 days, again according to above-mentioned work
Working frequency and mode implement the second wheel measurement, until completing 3 months one progress of work of working hour.Measurement result is passed through
Data/address bus is sent to grounded screen monitoring management work station and carries out analysis storage.This data is long-term observation Resistance of Grounding Grids
Steady-state value can be used as the underlying parameter of monitoring grounding Running State and system operating mode adjusting.
Under production procedure or external condition linkage work mode, production procedure or external condition state reach system work and open
Dynamic condition, system can start automatically the full work ground resistance measuring instrument of intelligence according to corresponding job requirement with the scheduled duty cycle
And frequency, measure the ground resistance of the grounded screen in connected production scene region.If weather forecast will have thunderstorm weather, then
The full work ground resistance measuring instrument of the second intelligence being connected with lightning rod independent grounding net, can before forecasting thunderstorm weather a few hours,
Impulse earthed resistance measurement is implemented to lightning rod independent grounding net, state status whether to judge that grounded screen is sound and immediately；
If scheduling of production reporting fuel oil will be into factory's oiling, the intelligent full work of the 5th connect with fuel handling and conduit region grounded screen
Ground resistance measuring instrument can implement electrostatic grounding electricity to fuel handling and conduit region grounded screen before oilman makees a few hours
Resistance measurement, state status whether to judge that grounded screen is sound and immediately；If repair and maintenance arranges booster stations electrical overhaul, with liter
The full work ground resistance measuring instrument of the first intelligence that pressure station local ground net is connected, can be before service work a few hours, to booster stations
Local ground net implements power frequency earthing resistance measurement, whether to judge that grounded screen is sound and the state of safety ground；
During first 20~40 minutes of ground resistance measurement, the process measured, system is issued to full factory monitoring main system
Alarm alert signal, and edit short message automatic Groups and be sent to related operations staff and point out.The full work ground resistance of intelligence is surveyed
Amount instrument sends grounded screen monitoring management work station immediately by measurement result with chart message, work station after comparing analysis,
It generates monitoring report and is sent to power plant production information acquisition management system for monitoring, be forwarded to associated production operations staff.
Production procedure instruction and arrangement or external condition parameter are conveyed by power plant production information acquisition management system for monitoring
Grounded screen monitoring management work station, grounded screen monitoring management work station export control model and coordinate according to above-metioned instruction and condition
The operation for dispatching the full work ground resistance measuring instrument of total system intelligence, reports monitoring report.
Preferably, system implantation production procedure or external condition linkage work mode.When grounded screen monitoring management work station 1
Detect that production procedure or external condition state reach system work entry condition, grounded screen monitoring management work station 1 is according to right
The job requirement answered, with scheduled duty cycle and frequency, measurement is connected the automatic full work ground resistance measuring instrument 2 of starting intelligence
Production scene region grounded screen ground resistance.If weather forecast will have thunderstorm weather, then with lightning rod independent grounding
The full work ground resistance measuring instrument 2 of the second intelligence that net is connected, can be before forecasting thunderstorm weather a few hours, to lightning rod independent grounding
Net implements impulse earthed resistance measurement, state status whether to judge that grounded screen is sound and immediately；It reports and fires such as scheduling of production
Expect that oil will be into factory's oiling, the full work ground resistance measuring instrument 2 of the 5th intelligence being connect with fuel handling and conduit region grounded screen,
Electrostatic grounding resistance measurement can be implemented to fuel handling and conduit region grounded screen, connect with judgement before oilman makees a few hours
Whether earth mat is sound and state status immediately；If repair and maintenance arranges booster stations electrical overhaul, with booster stations local ground net
The connected full work ground resistance measuring instrument 2 of the first intelligence, can implement booster stations local ground net before service work a few hours
Power frequency earthing resistance measurement, whether to judge that grounded screen is sound and the state of safety ground；
Preferably, during first 20~40 minutes of ground resistance measurement, the process measured, the work of grounded screen monitoring management
1 is stood to full factory monitoring main system sending alarm alert signal, and edits short message automatic Groups and is sent to related operations staff's prompting
Pay attention to.The full work ground resistance measuring instrument 2 of intelligence sends measurement result with chart message through communication gate 7, data/address bus 3 immediately
To grounded screen monitoring management work station 1, work station generates monitoring report, is sent to through communication gate 7 after comparing analysis
Power plant's production information acquires management system for monitoring, is forwarded to associated production operations staff.
Preferably, production procedure instruction and arrangement or external condition parameter are by power plant production information acquisition monitoring management
System conveys grounded screen monitoring management work station 1, and grounded screen monitoring management work station 1 is according to above-metioned instruction and condition, output control
The operation of the full work ground resistance measuring instrument 2 of molding formula coordinated scheduling total system intelligence, reports monitoring report.Pass through this Working mould
Formula, this system can be run with full factory's overall manufacturing synchronous coordination.
A kind of working principle of the full state station grounding net monitoring system of dispersed distribution formula of the invention is carried out below detailed
Thin elaboration.
Full state station grounding net monitoring overall process auto-programming monitoring is realized using grounded screen monitoring management work station 1,
It is needed, is automatically engaged or out of service according to the condition of produced on-site operation or Safe production technology interlocking.
The full work ground resistance measuring instrument 2 of grounded screen monitoring management work station 1, intelligence, data/address bus 3, connection conductor and connection
Logical element 4, portable operator station 5, printer 6, the first communication gate 7, normal condition are in live line work state.Grounded screen
The full work ground resistance measuring instrument 2 of monitoring management work station 1, intelligence, data/address bus 3, the second communication gate 8 operating status be non-
Often important system parameter values can acquire management system for monitoring in grounded screen monitoring management work station 1 and power plant production information
Monitoring.
Under normal operating condition, system is by Program Generating and submits grounded screen monitoring report, and control system main screen can be adjusted
With, display performance.When monitoring result exception, alarm signal prompt field operator will be issued and paid attention to；
Working status parameter, the switch state etc. of devices in system are all included in grounded screen monitoring management work station 1 and power generation
Factory's production information acquires management system for monitoring monitoring, when diagnosis has equipment fault, switch state exception etc., immediately to operation main screen
Alarm prompts maintenance.It is complete that grounded screen monitoring management work station 1 is also equipped with test, data record storage, report, alarm, printing etc.
The conventional func in face.
The present invention is based on the numerous and jumbled distribution system running environment in power plant and a large amount of electric device equipment, to power plant
Grounded screen pointedly uses automation, information-based monitoring and management measure in the complicated technical requirements of safe and reliable operation,
Region, type, universe regular continuous measurement of Grounding Resistance in combination, completely and specifically the health status of monitoring grounding net,
The variation tendency for grasping grounded screen builds up station grounding net management database and management system, and is included in full factory's production information
Management system for monitoring is acquired, polishing power plant does not have the notch of grounded screen special management, improves the peace of power plant electricity ground connection
Full unfailing performance and management level.
Control method of the invention being capable of different function according to scene based on station grounding net, technical requirements, distribution
Region, according to the environment and meteorological condition, production operation arrangement of grounded screen operation, by program setting, automatically according to function
And region, continuous or periodic monitoring is carried out to full factory's grounded screen.According to monitoring result, the state of current grounded screen is judged；Root
According to long term monitoring data, the variation tendency of grounded screen is concluded and predicted, generate message chart and upload to power plant production information
Acquire management system for monitoring.
By this system, operations staff can grasp the working condition of grounded screen comprehensively.When grounded screen mutation, system
Warning is issued, reports fault data and region to operations staff；System draws grounded screen variation tendency according to long term monitoring data
Figure, scents a hidden danger in advance.Operations staff can take corrective measure in time, improve power plant production run safety and reliability.
Using automation complex control system, spot sampling, analytical calculation, automatic output control.System structure is simple, technology maturation,
Failure rate is low, high reliablity, cost and day-to-day operation safeguard that simple expense is low.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (9)
1. a kind of full state station grounding net of dispersed distribution formula monitors system characterized by comprising grounded screen monitoring management work
It stands (1) and multiple distributable field monitor and communication subsystem；
Each field monitoring and communication subsystem include the full work ground resistance measuring instrument (2) of intelligence, the second communication gate (8),
Measure circuit connection conductor and connection element (4)；The full work ground resistance measuring instrument (2) of intelligence via the second communication gate (8) with
Data/address bus (3) electrical connection, realization are interacted with the instruction and data of grounded screen monitoring management work station (1)；Each full work of intelligence
Ground resistance measuring instrument (2) has been constituted through measurement circuit connection conductor and connection element (4) with the connection of the grounded screen of corresponding monitoring
Whole measurement circuit；
The grounded screen monitoring management work station (1) includes industrial computer (9), printer (6), the first communication gate (7)
With data/address bus (3)；Industrial computer (9), printer (6), the first communication gate (7) are electrically connected with data/address bus (3)；The
One communication gate (7) is connected to power plant production information acquisition monitoring management system.
2. a kind of full state station grounding net of dispersed distribution formula monitors system according to claim 1, which is characterized in that described
Measurement circuit connection conductor and coupling element (4) include auxiliary earth stick, hard conductor and wire clamp, auxiliary earth stick and wire clamp are equal
It is connect with hard conductor.
3. a kind of full state station grounding net of dispersed distribution formula monitors system according to claim 1, which is characterized in that described
Grounded screen include booster stations local ground net be connected, lightning rod independent grounding net, collection control block domain grounded screen, Network Control Center
Local ground net, fuel handling and conduit region grounded screen, communications equipment room local ground net and plant area's central area grounded screen；Often
A grounded screen is connect with the full work ground resistance measuring instrument (2) of an intelligence.
4. a kind of full state station grounding net of dispersed distribution formula monitors system according to claim 1, which is characterized in that described
Data/address bus (3) and the first communication gate (7) between, between data/address bus (3) and the second communication gate (8) be all made of optical cable
Photoelectricity connection.
5. a kind of full state station grounding net of dispersed distribution formula monitors system according to claim 1, which is characterized in that described
The full work ground resistance measuring instrument (2) of intelligence, the first communication gate (7) and the second communication gate (8) be mounted in instrument cabinet simultaneously
It is arranged in and closes on institute's monitoring grounding net scene；Grounded screen monitoring management work station (1), printer (6) are arranged in central station of floating dock.
6. a kind of full state station grounding net of dispersed distribution formula monitors system according to claim 1, which is characterized in that also wrap
It includes portable operator station (5), portable operator station (5) are connect with the full work ground resistance measuring instrument (2) of intelligence for running
Personnel assign work order manually.
7. the control method of the full state station grounding net monitoring system of dispersed distribution formula as claimed in any one of claims 1 to 6,
Characterized by comprising the following steps:
The full work ground resistance measuring instrument (2) of intelligence measures the ground resistance of the grounded screen in connected production scene region, will survey
Amount result is sent to grounded screen monitoring management work station (1) by data/address bus (3) and is analyzed；Grounded screen monitoring management work station
(1) according to field working conditions, the operating mode of the full work ground resistance measuring instrument of dispatch coordination total system intelligence:
Under conventional operating mode, the full work ground resistance measuring instrument (2) of intelligence is determined according to grounded screen monitoring management work station (1)
Duty cycle and frequency automatically continuously measure the ground resistance of the grounded screen in connected production scene region；
Under production procedure or external condition linkage work mode, production procedure or external condition state reach system work trip bar
Part, system start automatically according to corresponding job requirement the full work ground resistance measuring instrument (1) of intelligence with the scheduled duty cycle and
Frequency measures the ground resistance of the grounded screen in connected production scene region.
8. the control method of the full state station grounding net monitoring system of dispersed distribution formula according to claim 7, feature
It is, conventional operating mode specifically:
Intelligently duty cycle and frequency of the full work ground resistance measuring instrument (2) according to grounded screen monitoring management work station (1) determination,
The automatically ground resistance of the grounded screen in the connected production scene region of continuous measurement, and measurement result is passed through into the second communication
Gateway (8) and data/address bus (3) are sent to grounded screen monitoring management work station (1) and carry out analysis storage, generate report, display tune
With.
9. the control method of the full state station grounding net monitoring system of dispersed distribution formula according to claim 7, feature
It is, production procedure or external condition linkage work mode specifically:
When grounded screen monitoring management work station (1) detects that production procedure or external condition state reach system work trip bar
Part, grounded screen monitoring management work station (1) is according to corresponding job requirement, the automatic full work ground resistance measuring instrument of starting intelligence
(2) with scheduled duty cycle and frequency, the ground resistance of the grounded screen in connected production scene region is measured, measurement is tied
Fruit is sent to grounded screen monitoring management work station (1) and carries out analysis storage by communication gate (7), data/address bus (3), according to instruction
It is required that analysis storage, generation special report, display calling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090671.4A CN109638971A (en) | 2019-01-30 | 2019-01-30 | A kind of full state station grounding net monitoring system of dispersed distribution formula and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090671.4A CN109638971A (en) | 2019-01-30 | 2019-01-30 | A kind of full state station grounding net monitoring system of dispersed distribution formula and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109638971A true CN109638971A (en) | 2019-04-16 |
Family
ID=66062845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910090671.4A Pending CN109638971A (en) | 2019-01-30 | 2019-01-30 | A kind of full state station grounding net monitoring system of dispersed distribution formula and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109638971A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983512A (en) * | 2020-08-18 | 2020-11-24 | 广东电网有限责任公司梅州供电局 | Line grounding device monitoring system and method |
| CN113176447A (en) * | 2021-04-23 | 2021-07-27 | 中铁武汉勘察设计院有限公司 | Grounding monitoring and early warning system and method for railway substation |
| CN113406446A (en) * | 2021-05-18 | 2021-09-17 | 广东韶钢工程技术有限公司 | Insulation on-line monitoring system of transformer and distribution room |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483567A (en) * | 2008-12-19 | 2009-07-15 | 西北电网有限公司 | High voltage electricity transmission line monitoring method based on wireless communication and optical communication |
| JP2015064297A (en) * | 2013-09-25 | 2015-04-09 | 中国電力株式会社 | Grounding resistance measurement system |
| CN105717366A (en) * | 2016-01-29 | 2016-06-29 | 南京尚志电子科技有限公司 | Online grounding resistance monitoring alarm and remote monitoring system |
| CN108008196A (en) * | 2017-11-14 | 2018-05-08 | 山东康威通信技术股份有限公司 | A kind of communication cable shielding layer distal end earth resistance metering device and method |
-
2019
- 2019-01-30 CN CN201910090671.4A patent/CN109638971A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483567A (en) * | 2008-12-19 | 2009-07-15 | 西北电网有限公司 | High voltage electricity transmission line monitoring method based on wireless communication and optical communication |
| JP2015064297A (en) * | 2013-09-25 | 2015-04-09 | 中国電力株式会社 | Grounding resistance measurement system |
| CN105717366A (en) * | 2016-01-29 | 2016-06-29 | 南京尚志电子科技有限公司 | Online grounding resistance monitoring alarm and remote monitoring system |
| CN108008196A (en) * | 2017-11-14 | 2018-05-08 | 山东康威通信技术股份有限公司 | A kind of communication cable shielding layer distal end earth resistance metering device and method |
Non-Patent Citations (4)
| Title |
|---|
| 中国腐蚀与防护学会: "材料腐蚀学科发展报告", 中国科学技术出版社, pages: 141 - 145 * |
| 周彦斌: "接地电阻自动监测系统设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》, no. 07, 15 July 2014 (2014-07-15) * |
| 张元军等: "电力铁塔运行状态智能在线监测的研究及应用", 《科技视界》 * |
| 张元军等: "电力铁塔运行状态智能在线监测的研究及应用", 《科技视界》, no. 22, 5 August 2016 (2016-08-05), pages 9 - 10 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983512A (en) * | 2020-08-18 | 2020-11-24 | 广东电网有限责任公司梅州供电局 | Line grounding device monitoring system and method |
| CN113176447A (en) * | 2021-04-23 | 2021-07-27 | 中铁武汉勘察设计院有限公司 | Grounding monitoring and early warning system and method for railway substation |
| CN113406446A (en) * | 2021-05-18 | 2021-09-17 | 广东韶钢工程技术有限公司 | Insulation on-line monitoring system of transformer and distribution room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109742862B (en) | Remote control system for safe power utilization | |
| CN204731317U (en) | A kind of intelligentized earth resistance tester | |
| CN203069702U (en) | Lightning protection equipment intelligence monitoring system | |
| CN106655522A (en) | Master station system suitable for operation and maintenance management of secondary equipment of power grid | |
| CN109638971A (en) | A kind of full state station grounding net monitoring system of dispersed distribution formula and control method | |
| CN110336379B (en) | Transformer substation online monitoring system based on Internet of things and terminal equipment | |
| CN111190375B (en) | Intelligent monitoring system and monitoring method for hydropower station equipment | |
| CN111591778A (en) | Remote monitoring management system and method for stacker-reclaimer based on Internet technology | |
| CN106597213A (en) | Distributed power transmission and distribution line maintenance operation safety protection digital monitoring system | |
| CN108089083A (en) | Alternating-current charging pile detecting system | |
| CN107515342A (en) | A kind of power distribution network outage analysis based on big data, early warning system | |
| CN106647566A (en) | Electromagnetic security and protection integrated monitoring system | |
| CN114383652A (en) | Method, system and device for identifying potential fault online risk of power distribution network | |
| CN112684292A (en) | Wind power plant current collection line monitoring system, method and device | |
| CN103389437A (en) | Device and method for monitoring shielding current of secondary control cable of transformer substation in real time | |
| CN104821789A (en) | Method for detecting reliability of photovoltaic power generation system | |
| CN111142047B (en) | Automatic studying and judging method based on power distribution internet of things power failure | |
| CN106340963A (en) | Electric power distribution room intelligent commission maintenance monitoring system | |
| CN206209378U (en) | A kind of electromagnetism security protection comprehensive monitor system | |
| Zhang et al. | Development of the monitoring system in the smart distribution substation in Guangzhou, China | |
| CN112861421A (en) | Intelligent analysis early warning system and method for power equipment | |
| CN201449436U (en) | Failure diagnosing and positioning system for power system earthing net | |
| CN101571566A (en) | System for diagnosing and positioning ground grid faults of electric system | |
| CN114049697B (en) | Inspection auxiliary system | |
| CN115629242A (en) | Lightning arrester operation state and damage prediction diagnosis analysis method and system |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |