CN205265264U - Power station grid -connected electricity generation voltage on -line monitoring automatic regulating system - Google Patents
Power station grid -connected electricity generation voltage on -line monitoring automatic regulating system Download PDFInfo
- Publication number
- CN205265264U CN205265264U CN201520496708.0U CN201520496708U CN205265264U CN 205265264 U CN205265264 U CN 205265264U CN 201520496708 U CN201520496708 U CN 201520496708U CN 205265264 U CN205265264 U CN 205265264U
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- China
- Prior art keywords
- voltage
- power station
- line monitoring
- transformer substation
- regulating system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- 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
Abstract
The utility model relates to a power station grid -connected electricity generation voltage on -line monitoring automatic regulating system, including the power station excitation adjusting device that is used for gathering quick -witted terminal voltage virtual value, electric current virtual value and the excitation current of generator, be used for gathering transformer substation's voltage monitor of the generating line A of transformer substation, B, C three phase voltage virtual value and be used for adjusting the main website to the control that the transformer substation of gathering and power station magnitude of voltage contrasted the regulation, through the optical fiber communication network communication between the three. The utility model discloses a carry out the on -line monitoring automatic station keeping to power station grid -connected electricity generation voltage, through automatic acquisition and intelligent regulation, solved the problem that current water and electricity voltage relied on the artifical manual regulation of checking meter, realized safe and reliable, real time on line monitoring automatically regulated's intelligent control, when hydraulic generator generates electricity, carry out reasonable regulation to the quick -witted terminal voltage of generator for surfing the net in order in the power station, avoids causing the voltage quality problem.
Description
Technical field
The utility model relates to electric device total management system technical field, especially a kind of power station voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems.
Background technology
Water power is a kind of reproducible clean energy resource, and country carries out the policy of encouraging and helping for the exploitation of small power station. But being incorporated into the power networks of small power station really brought certain negative effect to large electrical network, is mainly reflected in the increase of the unstable and line loss of quality of voltage. The event that causes resident's household electrical appliance to damage due to the quality of voltage of small power station happens occasionally, the particularly phase with heavy rainfall, each small power station tries to be the first and robs generating and the online out of order of formation, overtension in the power supply area that causes surfing the Net on the spot, thereby even damage the service life that affects resident's household electrical appliance, not only cause, because the customer complaint of quality of voltage problem increases, also having increased the financial burden that power supply enterprise produces because of reparation simultaneously, cause harmful effect to the social image of power supply enterprise. This is because each small power station is when the Hydropower Entering In Power Network, because considering number one, only sends out meritorious, do not send out idle, and the required reactive power source of power supply area is all drawn from netting electricity, this not only comprises reactive requirement in power supply area, also comprises the needed reactive requirement of hydroelectricity generator group self simultaneously. And power supply station manages Tai district, reactive power compensator is housed, can meets under normal circumstances power factor (PF) check requirements; And hydraulic generator unit is not installed reactive power compensator, during Hydropower Entering In Power Network, increase the reactive requirement to electrical network, also increase the line loss of bringing because of reactive power flow simultaneously. Therefore, allow the orderly online of hydrogenerator, the management that system is carried out in generating to generator connecting in parallel with system is necessary very much.
Current on-line monitoring automatic regulating system for voltage without this type of temporarily, this type of small hydropower station is connected to the grid, but belong to private power station, electric power system can only be managed the transformer station of self, cannot obtain associated voltage, electric current, meritorious, the idle data in power station, and often hydropower station overtension is raised transformer substation voltage, cause periphery electricity consumption user voltage to raise, device damage, electric company can only contact power station staff by phone and require step-down, cannot accomplish remote monitoring.
Utility model content
The purpose of this utility model be to provide a kind of can real time and on line monitoring, the intellectuality control that regulates automatically, in the time that hydrogenerator generates electricity, set end voltage to generator reasonably regulates, surfed the Net in order in power station, avoid causing the power station of the quality of voltage problem voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems.
For achieving the above object, the utility model has adopted following technical scheme: a kind of power station voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, comprise the power station excitation regulation device of set end voltage virtual value, current effective value and exciting current for gathering generator, for gathering the transformer substation voltage monitor of substation bus bar A, B, C three-phase voltage virtual value and regulating main website for the transformer station collecting and power station voltage value being contrasted to the monitoring regulating, between three, communicate by letter by optical fiber communication network.
Described power station excitation regulation device adopts field regulator, and the input of field regulator is connected with the electric current and voltage sampling terminal of hydrogenerator by cable, and the output of field regulator is connected with the exciter of generator by cable.
Described transformer substation voltage monitor is got transformer station and is pressed the 57.7v nominal voltage that becomes terminal box, and nominal voltage A, B, C connect respectively the voltage sample end of voltage monitoring instrument.
Described monitoring regulates main website to be made up of the main frame and the multiple client terminal computer that are positioned at control room, and power station excitation regulation device, transformer substation voltage monitor are all by the webserver and main frame and client terminal computer communication.
485 COM1s of described power station excitation regulation device, transformer substation voltage monitor all turn optic module and are connected with 485, power station excitation regulation device, transformer substation voltage monitor successively by 485 turning optic module, optical fiber regulates main website to be connected with monitoring.
As shown from the above technical solution, the utility model carries out on-line monitoring by voltage that power station is generated electricity by way of merging two or more grid systems to be managed automatically, regulate by automatic collection and intelligence, solve the problem that existing water power voltage relies on manual metering manual adjustments, realize intellectuality control safe and reliable, that real time and on line monitoring regulates automatically, in the time that hydrogenerator generates electricity, the set end voltage of generator has reasonably been regulated, surfed the Net in order in power station, avoid causing quality of voltage problem.
Brief description of the drawings
Fig. 1 is circuit block diagram of the present utility model.
Detailed description of the invention
A kind of power station voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, comprise the power station excitation regulation device of set end voltage virtual value, current effective value and exciting current for gathering generator, for gathering the transformer substation voltage monitor of substation bus bar A, B, C three-phase voltage virtual value and regulating main website for the transformer station collecting and power station voltage value being contrasted to the monitoring regulating, between three, communicate by letter by optical fiber communication network, as shown in Figure 1.
As shown in Figure 1, described power station excitation regulation device adopts field regulator, and the input of field regulator is connected with the electric current and voltage sampling terminal of hydrogenerator by cable, and the output of field regulator is connected with the exciter of generator by cable. Described transformer substation voltage monitor is got transformer station and is pressed the 57.7v nominal voltage that becomes terminal box, and nominal voltage A, B, C connect respectively the voltage sample end of voltage monitoring instrument. Described monitoring regulates main website to be made up of the main frame and the multiple client terminal computer that are positioned at control room, and power station excitation regulation device, transformer substation voltage monitor are all by the webserver and main frame and client terminal computer communication.
As shown in Figure 1,485 COM1s of described power station excitation regulation device, transformer substation voltage monitor all turn optic module and are connected with 485, power station excitation regulation device, transformer substation voltage monitor successively by 485 turning optic module, optical fiber regulates main website to be connected with monitoring. Transformer substation voltage monitor and power station excitation regulation device all configure 485 communication interfaces, because power station, transformer station and monitoring regulate the distance between main website far, be equipped with each other optical-fibre channel, transformer substation voltage monitor and power station excitation regulation device turn optic module by 485 and convert electrical signals to optical signal, by optical fibre transmission data, monitoring regulates main website to receive data by optical fiber, sending controling instruction.
Power station excitation regulation device is mainly responsible for gathering set end voltage virtual value, current effective value, the exciting current of generator, can calculate the meritorious idle parameter of generator; Transformer substation voltage monitor gathers substation bus bar A, B, C three-phase voltage virtual value. Power station excitation regulation device, transformer substation voltage monitor are delivered to monitoring by the data volume collecting via optical fiber communication network and are regulated main website, monitoring regulates the main frame of main website to contrast adjusting to the transformer station collecting and power station voltage value, the concrete Principle Method regulating is as follows: in the time that power station set end voltage is too high, main frame sends decompression instruction to field regulator, the exciting current of hydrogenerator is reduced, thereby the set end voltage of generator is reduced; In the time that power station set end voltage is too low, main frame sends supercharging instruction the exciting current of generator is increased, thereby raises the set end voltage of generator; Set end voltage is changed to reach set end voltage and transformer substation voltage adapts by continuous transmission supercharging instruction or decompression instruction, the change of set end voltage finally affects the voltage of transformer station.
The voltage of transformer station carries out a benign cycle by the data of the Data Comparison power station machine end collection of collection, power station set end voltage and transformer substation voltage contrast like this, and power station set end voltage, the transformer substation voltage of collection, three is just closely connected together. Control whole electrical voltage system by the relation between three and the voltage that regulates power station machine end, thereby reach a target of rationally administering quality of voltage, and well hydrogenerator is generated electricity and carries out the management of system.
Embodiment mono-
Transformer substation voltage monitor gathers bus three-phase voltage virtual value UA, UB, UC in Huang Tian transformer station, and between transformer substation voltage monitor and the webserver, for fiber optic network is connected, the voltage effective value data upload collecting regulates the database of main website to monitoring. field regulator connects hydraulic generator unit in Nan Yuan power station, is responsible for gathering the generator parameters such as hydraulic generator unit set end voltage, electric current, exciting current, carrys out the set end voltage of regulating generator by controlling exciter current of generator. the relevant parameter collecting uploads to monitoring by optical fiber and regulates main website. when normal work, monitoring regulates the main frame background program of main website to be responsible for collecting the relevant parameter that transformer substation voltage monitor and field regulator collect, realize real time and on line monitoring, and realize automatic regulation function by certain algorithm, concrete principle is as follows: the UA of transformer station that contrast power station voltage monitor collects, UB, UC three-phase voltage and field regulator collect power station set end voltage UA1, UB1, UC1, if UA1, UB1, UC1 departs from predefined normal value, monitoring regulates main website to send increases exciting current, reduce excitation current instruction and carry out regulator generator outlet voltage U A1, UB1, UC1, the reactive power that simultaneously can put water wheels unit to water power regulates, make reactive power that generator is sent out reach a normal value, reduce the reactive requirement of generator to electrical network. monitoring regulates main website to be mainly responsible for gathering storage related data and controlling, and by ASP.NET technology, data is conducted interviews, and database data is shown in the mode of webpage. realize the dynamic refresh of data by AJAX technology, client can browse current device by webpage mode and gather related data and enquiry of historical data, and client can carry out regulation voltage by host computer control backstage and get a desired effect.
In sum, the utility model carries out on-line monitoring by voltage that power station is generated electricity by way of merging two or more grid systems to be managed automatically, regulate by automatic collection and intelligence, solve the problem that existing water power voltage relies on manual metering manual adjustments, realize intellectuality control safe and reliable, that real time and on line monitoring regulates automatically, in the time that hydrogenerator generates electricity, the set end voltage of generator has reasonably been regulated, surfed the Net in order in power station, avoid causing quality of voltage problem.
Claims (5)
1. the power station voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, it is characterized in that: comprise the power station excitation regulation device of set end voltage virtual value, current effective value and exciting current for gathering generator, for gathering the transformer substation voltage monitor of substation bus bar A, B, C three-phase voltage virtual value and regulating main website for the transformer station collecting and power station voltage value being contrasted to the monitoring regulating, between three, communicate by letter by optical fiber communication network.
2. the power station according to claim 1 voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, it is characterized in that: described power station excitation regulation device adopts field regulator, the input of field regulator is connected with the electric current and voltage sampling terminal of hydrogenerator by cable, and the output of field regulator is connected with the exciter of generator by cable.
3. the power station according to claim 1 voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, it is characterized in that: described transformer substation voltage monitor is got transformer station and pressed the 57.7v nominal voltage that becomes terminal box, and nominal voltage A, B, C connect respectively the voltage sample end of voltage monitoring instrument.
4. the power station according to claim 1 voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, it is characterized in that: described monitoring regulates main website to be made up of the main frame and the multiple client terminal computer that are positioned at control room, and power station excitation regulation device, transformer substation voltage monitor are all by the webserver and main frame and client terminal computer communication.
5. the power station according to claim 1 voltage on-line monitoring automatic regulating system of generating electricity by way of merging two or more grid systems, it is characterized in that: 485 COM1s of described power station excitation regulation device, transformer substation voltage monitor all turn optic module and are connected with 485, power station excitation regulation device, transformer substation voltage monitor successively by 485 turning optic module, optical fiber regulates main website to be connected with monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496708.0U CN205265264U (en) | 2015-07-10 | 2015-07-10 | Power station grid -connected electricity generation voltage on -line monitoring automatic regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496708.0U CN205265264U (en) | 2015-07-10 | 2015-07-10 | Power station grid -connected electricity generation voltage on -line monitoring automatic regulating system |
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| Publication Number | Publication Date |
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| CN205265264U true CN205265264U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520496708.0U Expired - Fee Related CN205265264U (en) | 2015-07-10 | 2015-07-10 | Power station grid -connected electricity generation voltage on -line monitoring automatic regulating system |
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| CN (1) | CN205265264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217388A (en) * | 2018-11-14 | 2019-01-15 | 国网安徽省电力有限公司歙县供电公司 | A kind of small hydropower station output voltage monitoring regulator control system and monitoring regulation method |
-
2015
- 2015-07-10 CN CN201520496708.0U patent/CN205265264U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217388A (en) * | 2018-11-14 | 2019-01-15 | 国网安徽省电力有限公司歙县供电公司 | A kind of small hydropower station output voltage monitoring regulator control system and monitoring regulation method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20180710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |