CN107391352A - A kind of RTDS and stability control device data transmission method and its Transmission system - Google Patents
A kind of RTDS and stability control device data transmission method and its Transmission system Download PDFInfo
- Publication number
- CN107391352A CN107391352A CN201710538978.7A CN201710538978A CN107391352A CN 107391352 A CN107391352 A CN 107391352A CN 201710538978 A CN201710538978 A CN 201710538978A CN 107391352 A CN107391352 A CN 107391352A
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- Prior art keywords
- control device
- rtds
- stability control
- module
- data
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3457—Performance evaluation by simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- 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
-
- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
Abstract
The invention discloses a kind of RTDS and the data transmission method and its Transmission system of stability control device, it is related to the emulation testing technical field of power system.The data transmission method and its Transmission system of the RTDS and stability control device, it is transmitted and exchanges in a manner of data mode is by network the GTNET communication card of RTDS analogue systems, in the case where meeting stability control device emulation closed loop test needs, avoid the wiring work of substantial amounts of analog quantity, switching value, improve the operating efficiency of test, hardware resource requirements during stability control device emulation closed loop test are reduced, reduce the investment of test environment construction；The present invention carries out stability control device closed loop test using RTDS systems, has high flexibility, enhanced scalability.
Description
Technical field
The invention belongs to the emulation testing technical field of power system, more particularly to the data of a kind of RTDS and stability control device
Transmission method and its Transmission system.
Background technology
With the rapid development of economy, network load rapid growth, power network is defeated to large-sized unit, bulk power grid, alternating current-direct current joint
The development of the situation of electricity, power network scale and complexity are constantly soaring, and various regional power grid stable problems are brought for this,
Safety stabilization control system or device（Stabilized control system or device）Extensive use solve the problems, such as various regional power grids,
Second, third road defence line of power network has been constructed, irreplaceable effect is played for the safety and stability of power network.Power network large-sized unit,
The arrival of bulk power grid make it that influence of the stable system to operation of power networks is also increasingly sophisticated, dispatches highly desirable understanding to various power networks
Power network stabilized control system or device response process under running situation.Electro-magnetic transient RTDS real-timedigital simulations, can build real-time fortune
Capable dynamic power system operation, any to adjust power supply output, payload, arbitrfary point sets failure, and its simulation result is carried
The abundant information of confession, and be the excellent work for constructing power network stabilized control system or device laboratory simulations the characteristics of due to its real-time
Tool.
When carrying out stabilized control system or device closed test using RTDS, subject matter is, perfectly to build so
Analogue system, the stabilized control system hardware unit of complete set need to be replicated and complete closed loop with RTDS.The stabilized control system of complete set
Hardware frequently includes a main website rack sum substation rack, and is varied between each system, to construct such emulation
System is not only invested huge, and wiring is complicated, space is huge, and flexibility is low, constrains its application space significantly.
The main purpose of laboratory simulations is the response process for the adaptability and power network for verifying stability strategy, for more than not
Foot, the present invention provide a kind of RTDS and stability control device data transmission method and its Transmission system, to simplify stabilized control system experiment
Room emulates wiring complexity, reduces investment, improves flexibility and scalability.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of RTDS and stability control device data transmission method and its transmission
System, to avoid stability control device closed loop test from being directly connected to the complexity of physics bound transmission electrical quantity, system is emulated by RTDS
The GTNET communication cards of system are transmitted in a manner of data mode is by network, to meet the need of stability control device closed loop test
Will.
The present invention is that solve above-mentioned technical problem by the following technical solutions：A kind of RTDS and stability control device number
According to transmission method, including following steps：
（1）Real time execution Power System Simulator is formed by RTDS hardware and the software kit RSCAD operated on PC PCs,
Pass through the control of software and hardware, the power network electricity such as voltage, electric current, power needed for the GTNET communication cards output of RTDS analogue systems
Gas digital quantity；
（2）The data converter that the power network electrical digital amount of GTNET communication cards output is first delivered on PC PCs, data
The electrical digital amount received is parsed and is converted into the data that numerical experiment instrument can read by conversion program, and is sent to number
Word test instrument；
（3）Numerical experiment instrument receive data converter transmission data after, be converted into stability control device can directly receive and
The data of identification, and it is sent to stability control device；
（4）After stability control device receives the data of numerical experiment instrument transmission, feedback control order, control command is along numerical experiment
The route of instrument-interchanger-data converter-GTNET communication cards returns to RTDS analogue systems, and control command influences emulation system
The change of system, and then the running status of Power System Simulator is influenceed, complete the exchange transmission of data.
Further, a kind of RTDS and stability control device data transmission system includes RTDS analogue systems, interchanger, numeral
Test instrument, data converter and stability control device；The RTDS analogue systems include RTDS hardware and software kit RSCAD；
The software kit RSCAD and data converter are operated on PC PCs；The RTDS hardware includes GTWIF communication boards
Card and GTNET communication cards；The GTWIF communication cards and GTNET communication cards are attached with interchanger respectively, the friendship
Change planes and connected respectively with the software kit RSCAD and data converter and numerical experiment instrument run on PC PCs
Connect, the numerical experiment instrument is attached with stability control device.
Further, the numerical experiment instrument includes control signal processor, D/A change-over circuits, low-pass filter circuit, work(
Rate amplifier, open into module, output module, GPS module, communication module and interface module；The control signal processor difference
With D/A change-over circuits, open into module, output module, GPS module, communication module and interface module and be connected；The D/A conversions electricity
Road is connected with low-pass filter circuit, and the low-pass filter circuit is connected with power amplifier, and the power amplifier fills with steady control
Put connection；It is described to open into module and output module and be connected respectively with stability control device；
The control signal processor, feed back to corresponding mould for handling received data, and by result
Block or circuit are controlled；The D/A change-over circuits, for digital quantity to be converted into analog quantity；The low-pass filter circuit, use
In filtering；The power amplifier, as power output stage, the necessary electricity of stability control device is supplied to by the output of conversion signal
Current voltage signal；It is described to open into module, for receiving the action return signal of stability control device；It is described to output module, for steady
Control the on-off model that device provides relay protection；GPS module, for ensureing the synchronism of test；The communication module, is used for
Carry out data transmission；The interface module, for carrying out signal exchange.
Further, the interface module is connected by photoisolator with control signal processor, ensures numerical experiment
The security and stability of instrument.
Further, described open into module is that 32 tunnels are opened into circuit, and the module of outputing is 32 road digital output circuits.
Compared with prior art, RTDS and stability control device provided by the present invention data transmission method and its transmission system
System, is transmitted and exchanged in a manner of data mode is by network the GTNET communication cards of RTDS analogue systems, full
In the case that sufficient stability control device emulation closed loop test needs, the wiring work of substantial amounts of analog quantity, switching value is avoided, is improved
The operating efficiency of test, hardware resource requirements during stability control device emulation closed loop test are reduced, reduce test environment construction
Investment；The present invention carries out stability control device closed loop test using RTDS systems, has high flexibility, enhanced scalability.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in being described below to embodiment
It is briefly described, it should be apparent that, drawings in the following description are only one embodiment of the present of invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the data transmission method flow chart of a kind of RTDS of the present invention and stability control device；
Fig. 2 is the data transmission system structured flowchart of a kind of RTDS of the present invention and stability control device；
Fig. 3 is the structured flowchart of numerical experiment instrument of the present invention.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made,
Belong to the scope of protection of the invention.
As shown in figure 1, the data transmission method of a kind of RTDS provided by the present invention and stability control device, specific implementation step
It is as follows：
（1）RTDS analogue systems realize the operation of Power System Simulator by the software kit RSCAD run on PC PCs；
（2）Data converter on PC PCs is initialized, if round N=0；
（3）By interchanger communication between data converter and numerical experiment instrument is established to connect, establish numerical experiment instrument with
Communication connection between stability control device；
（4）The communication connection established between data converter and the GTNET communication cards of RTDS analogue systems；
（5）The GTNET communication cards of data converter calling RTDS analogue systems send message, to the packet parsing that receives simultaneously
It is converted into remote measurement amount；
（6）On send it is distant measure numerical experiment instrument, numerical experiment instrument receives remote measurement amount and is simultaneously transferred to stability control device；
（7）Stability control device differentiates whether electric network element overloads according to definite value, "No" return to step（5）, "Yes" continuation is in next step；
（8）Round：Whether N=N+1, N are more than 3, "Yes" return to step（5）, "No" continuation is in next step；
（9）Stability control device issues premature beats mark to numerical experiment instrument；
（10）Numerical experiment instrument issues overload mark and arrives data converter；
（11）Data converter receives overload mark, and group bag issues remote control message to the GTNET communication boards of RTDS analogue systems
Card；
（12）RTDS analogue systems receive " 1 " by GTNET communication cards and instructed, and then drive corresponding control, return to step
（5）.
As shown in Fig. 2 the data transmission system of a kind of RTDS and stability control device includes RTDS analogue systems, interchanger, number
Word test instrument, data converter and stability control device；RTDS analogue systems include RTDS hardware and software kit RSCAD；Match somebody with somebody
Set software RS CAD and data converter are operated on PC PCs；RTDS hardware includes GTWIF communication cards and GTNET
Communication card；GTWIF communication cards and GTNET communication cards are attached with interchanger respectively, interchanger respectively with PC people
The software kit RSCAD and data converter and numerical experiment instrument run on computer is attached, numerical experiment instrument with it is steady
Control device is attached.
As shown in figure 3, numerical experiment instrument includes control signal processor, D/A change-over circuits, low-pass filter circuit, power
Amplifier, open into module, output module, GPS module, communication module and interface module；Control signal processor turns with D/A respectively
Circuit is changed, opened into module, outputed module, GPS module, communication module and connected with interface module；D/A change-over circuits and low pass filtered
Wave circuit is connected, and low-pass filter circuit is connected with power amplifier, and power amplifier is connected with stability control device；Open into module and open
Go out module to be connected with stability control device respectively；Control signal processor, using high speed, good digital control processor；Power is put
Big device, using high-power high-fidelity power device, there is sufficiently large power redundancy and thermal capacity.
Above disclosed is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, can readily occur in change or modification, all
It should be included within the scope of the present invention.
Claims (5)
1. a kind of RTDS and stability control device data transmission method, it is characterised in that：Including following steps：
（1）Real time execution Power System Simulator is formed by RTDS hardware and the software kit RSCAD operated on PC PCs,
By the control of software and hardware, the power network electrical digital amount needed for the GTNET communication cards output of RTDS analogue systems；
（2）The data converter that the power network electrical digital amount of GTNET communication cards output is first delivered on PC PCs, data
The electrical digital amount received is parsed and is converted into the data that numerical experiment instrument can read by conversion program, and is sent to number
Word test instrument；
（3）Numerical experiment instrument receive data converter transmission data after, be converted into stability control device can directly receive and
The data of identification, and it is sent to stability control device；
（4）After stability control device receives the data of numerical experiment instrument transmission, feedback control order, control command is along numerical experiment
The route of instrument-interchanger-data converter-GTNET communication cards returns to RTDS analogue systems, and control command influences emulation system
The change of system, and then the running status of Power System Simulator is influenceed, complete the exchange transmission of data.
2. a kind of RTDS and stability control device data transmission system, it is characterised in that：Including RTDS analogue systems, interchanger, number
Word test instrument, data converter and stability control device；The RTDS analogue systems include RTDS hardware and software kit
RSCAD；The software kit RSCAD and data converter are operated on PC PCs；The RTDS hardware includes GTWIF
Communication card and GTNET communication cards；The GTWIF communication cards and GTNET communication cards are attached with interchanger respectively,
The interchanger enters with the software kit RSCAD and data converter and numerical experiment instrument run on PC PCs respectively
Row connection, the numerical experiment instrument are attached with stability control device.
3. RTDS as claimed in claim 2 and stability control device data transmission system, it is characterised in that：The numerical experiment instrument
Comprising control signal processor, D/A change-over circuits, low-pass filter circuit, power amplifier, open into module, output module, GPS
Module, communication module and interface module；The control signal processor respectively with D/A change-over circuits, open into module, output mould
Block, GPS module, communication module connect with interface module；The D/A change-over circuits are connected with low-pass filter circuit, the low pass
Filter circuit is connected with power amplifier, and the power amplifier is connected with stability control device；It is described to open into module and output module
It is connected respectively with stability control device.
4. RTDS as claimed in claim 3 and stability control device data transmission system, it is characterised in that：The interface module is led to
Cross photoisolator to be connected with control signal processor, ensure the security and stability of numerical experiment instrument.
5. RTDS as claimed in claim 3 and stability control device data transmission system, it is characterised in that：Described open be into module
32 tunnels are opened into circuit, and the module of outputing is 32 road digital output circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710538978.7A CN107391352A (en) | 2017-07-04 | 2017-07-04 | A kind of RTDS and stability control device data transmission method and its Transmission system |
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| CN201710538978.7A CN107391352A (en) | 2017-07-04 | 2017-07-04 | A kind of RTDS and stability control device data transmission method and its Transmission system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541243A (en) * | 2020-04-27 | 2020-08-14 | 海南电网有限责任公司 | Real-time simulation modeling method for testing regional safety and stability control system |
| CN111830929A (en) * | 2020-06-12 | 2020-10-27 | 云南电网有限责任公司 | Closed-loop real-time simulation system based on synchronous parallel test of multiple stability control devices |
| CN111983996A (en) * | 2020-08-28 | 2020-11-24 | 南方电网科学研究院有限责任公司 | Remote testing device, method and equipment of stability control system |
| CN113688059A (en) * | 2021-10-26 | 2021-11-23 | 南京东博智慧能源研究院有限公司 | Automatic function detection system and method for stability control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111541243A (en) * | 2020-04-27 | 2020-08-14 | 海南电网有限责任公司 | Real-time simulation modeling method for testing regional safety and stability control system |
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| CN111830929A (en) * | 2020-06-12 | 2020-10-27 | 云南电网有限责任公司 | Closed-loop real-time simulation system based on synchronous parallel test of multiple stability control devices |
| CN111830929B (en) * | 2020-06-12 | 2023-08-18 | 云南电网有限责任公司 | Closed-loop real-time simulation system based on synchronous parallel test of multiple stable control devices |
| CN111983996A (en) * | 2020-08-28 | 2020-11-24 | 南方电网科学研究院有限责任公司 | Remote testing device, method and equipment of stability control system |
| CN113688059A (en) * | 2021-10-26 | 2021-11-23 | 南京东博智慧能源研究院有限公司 | Automatic function detection system and method for stability control system |
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