CN109962473A - A kind of Control protection system of THE UPFC UPFC - Google Patents
A kind of Control protection system of THE UPFC UPFC Download PDFInfo
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- CN109962473A CN109962473A CN201711335027.6A CN201711335027A CN109962473A CN 109962473 A CN109962473 A CN 109962473A CN 201711335027 A CN201711335027 A CN 201711335027A CN 109962473 A CN109962473 A CN 109962473A
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- control
- upfc
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- protection
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- 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
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides the Control protection systems of THE UPFC UPFC a kind of, comprising: the two sets of control systems and two sets of protection systems of redundant configuration；Two sets of control systems include: the two sets of side control systems in parallel and two sets of series side control systems of redundant configuration；Two sets of protection systems include: the two sets of side protection systems in parallel and two sets of series side protection systems of redundant configuration.Technical solution control provided by the invention is mutually indepedent with defencive function and controls the double set redundant configurations of protection, substantially increases the Control protection system reliability of THE UPFC UPFC, improves the operational reliability of entire UPFC device.
Description
Technical field
The invention belongs to the fields electric system Survey of Flexible AC Transmission System (FACTS), and in particular to a kind of THE UPFC
The Control protection system of UPFC.
Background technique
Flexible AC transmission system (Flexible Alternative Current Transmission Systems,
FACTS) field, the parallel connection type compensator based on current transformer, such as STATCOM device, it can effectively generate reactive current, mend
System reactive power is repaid, the voltage of node is maintained, but it is weaker to the voltage compensation ability of route；And the series connection based on current transformer
Type compensation device can effectively compensate for the voltage of route such as SSSC device, control Line Flow, but to reactive current
Compensation ability is limited.The STATCOM of shunt compensation and series compensation SSSC are integrated, THE UPFC is formed
(Unified Power Flow Controller, UPFC), is the FACTS device that versatility is best so far.
It is designed by different control strategies, it is dynamic that UPFC can be not only used for control bus voltage, Line Flow, raising system
State and transient stability inhibit system oscillation, and can be handled up in terms of dynamic by fast reactive, dynamic support access
Point voltage, improves system voltage stability.If suitable control, system damping can also be improved, power-angle stability is improved, to adapt to
Needs under Decision for Emergency State of Power Ssystem.
Old routes some for electric system are often in the heavier area of load, are limited by ability to transmit electricity, usually
Can there is a problem of trend conveying capacity deficiency, simultaneously because passway for transmitting electricity and occupied area limitation, pass through and increase passway for transmitting electricity
And increase the costly of ability to transmit electricity.If can accomplish the trend distribution of balanced power grid using UPFC, reasonably adjust route tide
Stream promotes the ability to transmit electricity of power grid on the basis of not changing route original channel.
UPFC device generally comprises Control protection system, converter valve, valve control and cooling system, by-pass switch, route string simultaneously
Join transformer, chopper switch, arrester and PTCT etc..UPFC Control protection system major function are as follows: real-time detection UPFC system
Electrical quantity of uniting triggers converter valve according to control strategy, realizes power flowcontrol；The various malfunctions of UPFC system are detected simultaneously,
Correct movement is related to be protected, and isolated fault promptly and accurately guarantees the safe and stable operation of device.In addition to this, UPFCA is controlled
Protection system should also have the function of communication, recording, human-computer interaction etc..
Up to now, the UPFC to put into operation both at home and abroad has four sets, 3 sets external, 1 set of the country.Wherein, it is for domestic 1 set
The western looped network UPFC in the Nanjing that the end of the year 2015 put into operation, converter valve use modularization multi-level converter MMC.
Existing THE UPFC UPFC Control protection system is still much control protection integrated design and monosystem
System design；Some takes veneer card multi -CPU to design to improve reliability.In addition, between existing UPFC Control protection system device
Communication protocol is multifarious, and ununified communication protocol reduces the versatility of basic communication protocol, increases system development
Complexity and later maintenance difficulty.
Summary of the invention
In view of the deficiencies of the prior art, the invention proposes the Control protection systems of THE UPFC UPFC a kind of.
Series side realizes series transformer and series connection when failure using bypass thyristor valve (Bypass Thyristor Valve) BTV
Side converter valve is quickly protected, and fiber optic communication is all made of identical agreement between each device of Control protection system, solves control device
With communication issue caused by protective device agreement disunity, the versatility of communication protocol is improved.
A kind of Control protection system of THE UPFC UPFC, comprising: two sets of control systems of redundant configuration and two
Cover protection system；
Two sets of control systems include: two sets of side control systems in parallel of redundant configuration and two sets of series side controls are
System；
Two sets of protection systems include: two sets of side protection systems in parallel of redundant configuration and two sets of series side protections are
System.
Further, the side control system in parallel and the series side control system include: two sets of redundant configuration
Control and measure device and two sets of control devices；
Parallel connection side protection system and series side protection system include: two sets of protections dress of redundant configuration
It sets and two sets of protective devices.
Further, the control and measure device and protection device are used to current transformer and voltage transformer
The acquisition and forwarding of electrical data, photovoltage mutual inductor and DC voltage measuring device measurement data summarize and forward, together
Walk the generation and forwarding of signal.
Further, the control device receives the sampled data that corresponding control and measure device is sent, for completing UPFC
Control and regulation function；It receives the control command that external monitoring systems issue and reports related status information.
Further, the protective device receives the sampled data that corresponding protection device is sent, for completing UPFC
Main body protection function；It receives the control command that monitoring system issues and reports related status information.
Further, the series side protects system further include: valve-based electronics VBE device and VBE measure and control device.
Further, the VBE measure and control device samples the voltage and current of series connection side system, and output ABC tri- is identical
Walking signal and valve detection allows signal to VBE device.
Further, the valve-based electronics VBE device includes: CPU element, trigger unit and time inspection unit；
The CPU element is received back the valve status information that inspection unit is sent, and issues series side protection system and VBE observing and controlling dress
It sets, while receiving the trigger command of series side protection system transmission and being transmitted to trigger unit.
Further, the VBE measure and control device includes: that sampling unit, data summarization unit, UFIU UMSC Fiber Interface Unit and data turn
Order member；
The sampling unit samples the voltage and current of series side protection system and is sent to data summarization unit；
The data summarization unit output ABC three-phase synchronous signal and valve detection allow signal to UFIU UMSC Fiber Interface Unit；
The data switch unit is for the communication between VBE measure and control device and VBE device.
Further, the control device, protective device and VBE measure and control device include communications management unit, each device
Between communicated by communications management unit using the FT3 communication protocol in IEC60044-8 standard.
Compared with the latest prior art, technical solution provided by the invention has the advantages that
1, technical solution provided by the invention controls and defencive function is mutually indepedent and controls the double set redundant configurations of protection,
The Control protection system reliability for substantially increasing THE UPFC UPFC improves the reliable for operation of entire UPFC device
Property.
2, it is all made of high speed optical fiber communication between each device of technical solution provided by the invention, using in IEC60044-8 standard
FT3 communication protocol makes to enhance basic communication protocol versatility to communication protocol unification between device, reduces system development hardly possible
Degree and later maintenance difficulty.And FT3 communication protocol supports extension, can facilitate later period protocol extension.
3, configuration interconnection optical fiber, control and protection system between technical solution control device provided by the invention and protective device
Both accomplished physically independent.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.For purpose, the technical solution for making the embodiment of the present invention
Clearer with advantage, following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out
It clearly and completely describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The present invention is applied to UP as shown in Figure 1 and pacifies general control protecting platform (referred to as " pacifying general platform "), and the platform is main
There are measuring device ME-10, control protection device CP-10, measure and control device MC-10, valve control device VCU-12, valve based electronic device VBE-10
Deng composition, by software and hardware flexible configuration, it is applicable to the devices such as string benefit, SVG, SVC and UPFC.UPFC Control protection system master
It to be made of measuring device ME-10, control protection device CP-10, valve based electronic device VBE-10 and VBE measure and control device MC-10,
Middle control protection device CP-10 can be respectively configured as control device and protective device according to control, defencive function.
Control system part includes measuring device ME-10, control device CP-10, and it is superfluous to cover A/B according to series-parallel side pair respectively
Remaining configuration.
Protection components of system as directed includes measuring device ME-10, protective device CP-10, and it is superfluous to cover A/B according to series-parallel side pair respectively
Remaining configuration.Wherein, it further includes valve based electronic device VBE-10 and VBE measure and control device MC-10 that series side SSSC, which protects system,.
Measuring device ME-10 is responsible for the acquisition of PT, CT electrical data and forwarding, light CT and DC voltage measuring device measurement
Data summarization and forwarding, synchronization signal are generated and are forwarded.Measuring device ME-10 includes AD sampling unit, UFIU UMSC Fiber Interface Unit, synchronization
Signal retransmission unit, data summarization unit.The AD sampling unit is for acquiring traditional PT, CT voltage and current analog quantity and converting
It is digital quantity to data summarization unit；UFIU UMSC Fiber Interface Unit receives the electric current and DC voltage component that light CT is sent, and is sent to
Data summarization plate；Synchronization signal retransmission unit is used to be transmitted to the sampling synchronization signals of light CT；Data summarization unit is responsible for summarizing
The data that AD sampling unit and Optical Fiber Interface Board unit are sent, are sent to control device and protective device by high speed fibre, are used for
Control and protection calculate.
Control device CP-10 receives the sampled data that measuring device is sent, and completes the main control and regulation function of UPFC；It connects
The control command that monitoring system issues is received, related status information is reported.Control device CP-10 includes communications management unit, adjusts
Control unit, light enter light and go out unit, open into unit, relay output unit, data switch unit.The regulation unit connects
Receive the sampled data of measuring device forwarding, group switch amount information, according to different control strategies, by high speed fibre to valve control
Device, which is sent, adjusts control command, realizes the control and regulation function of UPFC；Light enters light and goes out Elementary Function to extend series-parallel side control
System communication processed；It opens and accesses 110V forceful electric power on-off model (associated contacts such as switch tool, water cooling signal) into unit, pass through back
Plate IO-CAN net is sent to regulation unit and communications management unit；Relay output unit is received by backboard IO-CAN net and is adjusted
What section control unit was sent outputs signal, and passes through relay output contact signal；Data switch unit completes measuring device hair
The photoelectric conversion of sampled data is sent, and regulation unit and communications management unit are sent to by back board high-speed serial.
Protective device CP-10 receives the sampled data that measuring device is sent, and completing UPFC main body protection function, (movement is in knife
Lock switch, MMC converter valve and bypass thyristor valve BTV)；The control command that monitoring system issues is received, correlated condition is reported to believe
Breath.Control device CP-10 includes communications management unit, protection start unit, protection location, opens into unit, relay output list
Member, data switch unit.The protection start unit receives the sampled data of measuring device forwarding, and group switch amount information executes
Starting algorithm is protected, and protection starting information is sent to protection board；Protection location also receives adopting for measuring device forwarding simultaneously
Sample data, group switch amount information and protection starting information, execute protection algorism, give relay output board by IO-CAN net
Send protection operational order；It opens and accesses 110V forceful electric power on-off model (associated contacts such as switch tool, water cooling signal) into unit,
Protection start unit, protection location and communications management unit are sent to by backboard IO-CAN net；Relay output unit passes through back
Plate IO-CAN net receives the protection operational order that protection location is sent, and passes through relay output contact signal；Data switch list
Member completes the photoelectric conversion that measuring device sends sampled data, and is sent to protection start unit by back board high-speed serial, protects
Protect unit and communications management unit.
Cross interconnected fiber optic communication is used between double set control devices and protective device, double sets protect any a set of protection act
Information can be sent to double set master-slave control devices, and any one of double set controls can be sent out for master controller locking-valve information
Give double set protective devices.
VBE device VBE-10 is responsible for receiving the bypass thyristor valve BTV order that series side protective device issues, and exports BTV
Trigger pulse, for quickly bypassing series transformer and series side MMC converter valve；It is responsible for reporting the real-time status of thyristor valve to believe
Breath.VBE device VBE-10 includes CPU element, trigger unit, returns inspection unit.The CPU element is received back the valve that inspection unit is sent
Status information is transmitted to series side protective device by high speed fibre and is sent to VBE measure and control device by SOE-CAN net,
The trigger command of series side protective device transmission is received simultaneously and is transmitted to trigger unit；The touching of trigger unit reception CPU element
It says the word, trigger command is sent to the bypass thyristor valve BTV of primary equipment, triggering BTV bypass generates trigger pulse, protection
Series side SSSC converter valve；It returns inspection unit to be responsible for receiving the status information that thyristor valve uploads, and issues CPU element.
VBE measure and control device MC-10 exports ABC three-phase synchronous signal and valve detection to series side system voltage current sample
Allow signal to VBE device；Monitoring system is accessed, related status information is reported.VBE measure and control device MC-10 includes telecommunication management
Unit, AD sampling unit, data summarization unit, UFIU UMSC Fiber Interface Unit, data switch unit.AD sampling unit is to series connection side system electricity
Current voltage samples and forwards sampled data to data summarization unit；Data summarization unit exports ABC three-phase synchronous signal and valve inspection
Surveying allows signal to UFIU UMSC Fiber Interface Unit, and UFIU UMSC Fiber Interface Unit is responsible for being transmitted to VBE device；Data switch unit be responsible for measure and control device and
SOE-CAN Network Communication between VBE device.
Above-mentioned control device and protective device, VBE measure and control device configure communications management unit, configuration large capacity FPGA,
High-performance DSC chip and high-performance double-core Power PC core piece, unit has external communication interface abundant, for monitoring this dress
Device state information, protection act information and fault recorder data are respectively connected to monitoring A by Ethernet by the signal intelligence set
Net, monitoring B net and internal control and recording net, monitoring AB Network Communication support IEC61850MMS function.
High speed optical fiber communication, ST interface are all made of between above-mentioned each device of Control protection system, wavelength 850nm is used
FT3 communication protocol in IEC60044-8 standard, traffic rate 10Mbps, Manchester's code.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still
It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, are intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of Control protection system of THE UPFC UPFC characterized by comprising two sets of controls of redundant configuration
System and two sets of protection systems；
Two sets of control systems include: the two sets of side control systems in parallel and two sets of series side control systems of redundant configuration；
Two sets of protection systems include: the two sets of side protection systems in parallel and two sets of series side protection systems of redundant configuration.
2. a kind of Control protection system of THE UPFC UPFC as described in claim 1, which is characterized in that it is described simultaneously
Connection side control system and the series side control system include: the two sets of control and measure devices and two sets of control dresses of redundant configuration
It sets；
It is described parallel connection side protection system and the series side protection system include: redundant configuration two sets protection devices with
Two sets of protective devices.
3. a kind of Control protection system of THE UPFC UPFC as claimed in claim 2, which is characterized in that the control
Measuring device processed and protection device be used to the electrical data of current transformer and voltage transformer acquisition and forwarding,
Photovoltage mutual inductor and DC voltage measuring device measurement data summarize and forward, the generation and forwarding of synchronization signal.
4. a kind of Control protection system of THE UPFC UPFC as claimed in claim 2, which is characterized in that the control
Device processed receives the sampled data that corresponding control and measure device is sent, for completing the control and regulation function of UPFC；It receives external
Control command that monitoring system issues simultaneously reports related status information.
5. a kind of Control protection system of THE UPFC UPFC as claimed in claim 2, which is characterized in that the guarantor
Protection unit receives the sampled data that corresponding protection device is sent, for completing the main body protection function of UPFC；Receive monitoring
Control command that system issues simultaneously reports related status information.
6. a kind of Control protection system of THE UPFC UPFC as claimed in claim 2, which is characterized in that the string
Join side and protect system further include: valve-based electronics VBE device and VBE measure and control device.
7. a kind of Control protection system of THE UPFC UPFC as claimed in claim 6, which is characterized in that described
VBE measure and control device samples the voltage and current of series connection side system, and exporting ABC three-phase synchronous signal and valve detection allows signal
To VBE device.
8. a kind of Control protection system of THE UPFC UPFC as claimed in claim 6, which is characterized in that the valve
Base electronics VBE device includes: CPU element, trigger unit and time inspection unit；
The CPU element is received back the valve status information that inspection unit is sent, and issues series side protection system and VBE measure and control device,
The trigger command that series side protection system is sent is received simultaneously and is transmitted to trigger unit.
9. a kind of Control protection system of THE UPFC UPFC as claimed in claim 6, which is characterized in that described
VBE measure and control device includes: sampling unit, data summarization unit, UFIU UMSC Fiber Interface Unit and data adapter unit；
The sampling unit samples the voltage and current of series side protection system and is sent to data summarization unit；
The data summarization unit output ABC three-phase synchronous signal and valve detection allow signal to UFIU UMSC Fiber Interface Unit；
The data switch unit is for the communication between VBE measure and control device and VBE device.
10. the Control protection system of THE UPFC UPFC as described in claim 1-9 is any a kind of, feature exist
In the control device, protective device and VBE measure and control device include communications management unit, pass through communication tube between each device
Reason unit is communicated using the FT3 communication protocol in IEC60044-8 standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335027.6A CN109962473A (en) | 2017-12-14 | 2017-12-14 | A kind of Control protection system of THE UPFC UPFC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335027.6A CN109962473A (en) | 2017-12-14 | 2017-12-14 | A kind of Control protection system of THE UPFC UPFC |
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| Publication Number | Publication Date |
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| CN109962473A true CN109962473A (en) | 2019-07-02 |
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ID=67017556
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711335027.6A Pending CN109962473A (en) | 2017-12-14 | 2017-12-14 | A kind of Control protection system of THE UPFC UPFC |
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