CN103997123B - A kind of based on smelling the circuit breaker of intelligent transformer substation remote control system and method for visiting idle condition - Google Patents
A kind of based on smelling the circuit breaker of intelligent transformer substation remote control system and method for visiting idle condition Download PDFInfo
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- CN103997123B CN103997123B CN201410190740.6A CN201410190740A CN103997123B CN 103997123 B CN103997123 B CN 103997123B CN 201410190740 A CN201410190740 A CN 201410190740A CN 103997123 B CN103997123 B CN 103997123B
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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
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- Y04S10/16—Electric power substations
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Abstract
The invention discloses a kind of based on smelling the circuit breaker of intelligent transformer substation remote control system and method for visiting idle condition.Remote control system comprise message smell visit module, message send control module, message accounting memory module and pair time module.This system is connected with process layer GOOSE switch, and by smelling the mutual message visited and find on network between measure and control device and intelligent terminal in real time, simulation measure and control device sends the order of remote control divide-shut brake.This system can adjust the transmission interval between divide-shut brake message according to the actual requirements, realizes the long-range accurate control operation to circuit breaker, solves a difficult problem for intelligent substation Start-up and Adjustment process interrupt road device switching.
Description
Technical field
The present invention relates to a kind of based on smelling the circuit breaker of intelligent transformer substation remote control system and method for visiting idle condition, be applicable in intelligent substation Start-up and Adjustment process to the long-range separating brake of circuit breaker, combined floodgate and deciliter point operation, belong to intelligent substation technical field.
Background technology
In transformer station, circuit breaker performance is related to electrical network normal operating mode adjustment operation, and the reliability that fault is isolated fast, and testing under rating operating voltage it is big event in Start-up and Adjustment.Pilot project mainly comprises single point and single to close, and deciliter point to operate nonloaded line, and for examining its normal switching load, circuit excises insulation property etc. under fault and line over-voltage level fast after coinciding with fault.
Along with the construction of intelligent substation is promoted, intelligent terminal, as the final controlling element of breaker operator order, is arranged in primary equipment switch yard on the spot, and the distance of its distance protection cell often has tens meters far away to hundreds of rice.Owing to adopting the communication mode of GOOSE message between intelligent terminal and measure and control device, transmission medium is optical fiber, therefore adopts program control case in protective chamber, carry out the method for Circuit Breaker Switching in conventional substation no longer applicable.In recent years, the Circuit Breaker Switching testing equipment in intelligent substation and method become an on-the-spot important problem of puzzlement.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to provide a kind of based on smelling the circuit breaker of intelligent transformer substation remote control system and method for visiting idle condition, system utilizes the standby port of switch, do not change transformer station's existing network infrastructure, do not affect the operation of other IED equipment on switch, in addition, the system simulation next time of day of measure and control device, therefore can not cause the exception response of intelligent terminal and other devices.
To achieve these goals, the present invention realizes by the following technical solutions:
Circuit breaker of intelligent transformer substation remote control system based on smelling spy idle condition of the present invention, is connected with process layer GOOSE switch, obtains the breaker remote data set GOOSE message of measure and control device on network based on the method for smelling spy in real time; This system is connected with process layer GOOSE switch, and by smelling the mutual message visited and find on network between measure and control device and intelligent terminal in real time, simulation measure and control device sends the order of remote control divide-shut brake.This system can adjust the transmission interval between divide-shut brake message according to the actual requirements, realizes the long-range accurate control operation to circuit breaker, solves a difficult problem for intelligent substation Start-up and Adjustment process interrupt road device switching.Circuit breaker of intelligent transformer substation remote control system comprise message smell visit module, message send control module, message accounting memory module and synchronous pair time module; Message is smelt and is visited the GOOSE network message of module on resolving layer GOOSE switch, and the data set of correspondence is pressed the arrangement of message MAC Address order, user analytically selects the breaker remote data set of corresponding measure and control device in list, is added into described message and sends control module; Message sends control module, message transmission is carried out according to the breaker remote data set that user selectes, and message sends filling in of parameter, comprise frame structure, transmission times, the time interval, return time, and to obtain on network up-to-date message status parameter s tNum and sqNum with auto modification by smelling to visit; Message accounting memory module, for recording the initial message all to network in the end time of self-test, shows by switching value displacement order; Signal when module is for receiving outside pair when synchronous pair, and a message that institute receives and send stamps precise time label to adopt FPGA to control.
The implementation method of circuit breaker of intelligent transformer substation remote control system of the present invention, comprises following step:
(1) message smell visit module obtain and resolving layer GOOSE switch on all messages, user analytically selects the straighforward operation message of the corresponding measure and control device of circuit breaker to be measured in list, being added into described message sends in control module, send the transmission parameter setting straighforward operation message to be sent in control module at described message, send parameter and comprise single frames or two frame form and conjugate return time;
(2) when realizing breaker open operation or shutting-brake control, the separating brake in straighforward operation message or combined floodgate data bit are written as true by user, turn to step (3); When realizing circuit breaker deciliter point and controlling, first, the separating brake data in straighforward operation message are set to true by user, arrange stand-by period t1; Then, the combined floodgate data in straighforward operation message are set to true, stand-by period t2 is set; Finally, the separating brake data in straighforward operation message are set to true, stand-by period t3 is set; Wherein t1 ~ t3 time independently can adjust according to the requirement of circuit-breaker testing standard; Turn to step (3);
(3) described message is smelt and is visited module and to resolve on network state parameter stNum and sqNum in measure and control device straighforward operation message, and last look is assigned to message and sends in the frame structure of next message to be sent in control module;
After test starts, tele-control system is by smelling the heartbeat message free time T visiting and calculate current measure and control device
0, described message sends control module will to receive self-test initial, after the message of measure and control device breaker remote data set, in T
0send remote-control circuit breaker telecontrol analog message in time, after described intelligent terminal for reception to this message, perform breaker remote separating brake or combined floodgate, triggered rear auto-returned;
Wherein, T
0=t
n-t
n-1, t
nfor measure and control device sends the moment of N frame straighforward operation message, t
n-1for measure and control device sends the moment of N-1 frame straighforward operation message.
Circuit breaker of intelligent transformer substation remote control system of the present invention is connected with switch, measure and control device on real time monitoring network corresponding to circuit breaker to be measured and the mutual message between intelligent terminal, tracking correction message sends parameter, control data item is wherein put ture, and at measure and control device heartbeat message T
0free time in send straighforward operation message, namely perform circuit-breaker switching on-off order after intelligent terminal for reception to this message, realize circuit-breaker remote control operation; The present invention can simulate the straighforward operation of measure and control device realization to circuit breaker, because circuit breaker remote control system of the present invention simulates the next time of day of measure and control device, therefore can not cause the exception response of intelligent terminal and other devices.In addition, circuit breaker of intelligent transformer substation remote control system of the present invention utilizes the standby port of switch, does not change transformer station's existing network infrastructure, does not affect the operation of other IED equipment on switch.
Accompanying drawing explanation
Fig. 1 is circuit breaker tele-control system structure chart of the present invention;
Fig. 2 is system of the present invention and process layer GOOSE switch, measure and control device, intelligent terminal, circuit breaker connection diagram;
Fig. 3 is one embodiment of the present of invention GOOSE message transmitting time sequence;
Fig. 4 is one embodiment of the present of invention workflow diagram.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
See Fig. 1, there are three part of interfaces this system and outside: first is man-machine interaction, and namely user sets frame format and the relevant parameter of message transmission by this; Second is packet sending and receiving interface, adopts four groups of 100 m ethernet optical fiber interfaces, and corresponding data are calculated by inner DSP process, message sends control module, smell visit module and pair time module all and DSP processing links contact, message is smelt and is visited module and associate with memory module; 3rd interface when being pair, it receives outside clock source signals, realizes accurately beating markers to packet sending and receiving.
See Fig. 2, in the present embodiment, the message interaction between measure and control device and intelligent terminal is undertaken by GOOSE network switch, therefore can get the complete message that measure and control device sends on switches, control data item is wherein put true, and at T
0send in interval time, can simulate measure and control device and realize straighforward operation to circuit breaker, the next time of day of measure and control device due to system simulation of the present invention, therefore can not cause the exception response of intelligent terminal and other devices.
GOOSE (GenericObjectOrientedSubstationEvent), towards the transformer substation case of general object, protects the actuating signal of observing and controlling for transmitting intelligent substation.
System of the present invention comprise GOOSE message smell visit module, GOOSE message sends control module, message accounting memory module, pair time module and power module.
System of the present invention is connected on the GOOSE switch at the corresponding interval of intelligent substation, is smelt visit all GOOSE message on module acquisition network and complete parsing by GOOSE message.User selects the straighforward operation message of the corresponding measure and control device of circuit breaker to be measured from scan list, and automatic powder adding adds to GOOSE message and sends control module.Simultaneously GOOSE message is smelt and is visited module and automatically state parameter stNum and sqNum up-to-date for this message on network is assigned to message and sends control module, sends the state of control module to message to be sent upgrade by message.
GOOSE message sends control module and is used for arranging message to be sent transmission parameter, comprise each passage numerical value of this message, message transmitting party formula and duration, smell according to GOOSE message the parameter that state parameter stNum and sqNum visiting module adjusts NextState automatically simultaneously.
GOOSE message memory module for record and the initial GOOSE message all to network in the end time of On-board test, for subsequent analysis.
Pair time module implement device time adjustment function, and ensure that other each modules maintain synchronous regime, guarantee packet parsing and send the accuracy controlled, pair time module support IRIG-B code and IEEE1588 form message.
See Fig. 3 and Fig. 4, the implementation method of circuit breaker of intelligent transformer substation remote control system of the present invention is as follows:
(1) remote control system is connected on the GOOSE switch at the corresponding interval of intelligent substation, is smelt by GOOSE message and visit all GOOSE message on module acquisition network and complete parsing.The measure and control device straighforward operation message that user analytically selects circuit breaker to be measured corresponding in list is added into GOOSE message and sends control module, send the value setting message respective channel to be sent in control module in GOOSE message, select message transmitting party formula and duration.
(2), after intelligent terminal for reception to this message, namely perform breaker open operation, combined floodgate or deciliter point order, realize circuit-breaker remote control operation.
Enter " test prepare " link after setting completed, now message is smelt and is visited module and automatically state parameter stNum and sqNum up-to-date for this message on network is assigned to message and sends control module, and message sends control module and automatically upgrades it according to NextState.
After " test starts ", by calculating the free time T of corresponding measure and control device heartbeat message
0, complete remote control message at one's leisure and send.T
0=t
n-t
n-1, wherein t
nand t
n-1the moment of the control message that N and the N-1 frame received for circuit breaker remote control is sent by measure and control device.The implementation procedure of whole breaker control is as follows:
1) breaker open operation controls
User selects GOOSE message corresponding in circuit breaker remote control device, and " remote control separating brake " data are set to true.User selects " test prepares ", message is smelt and is visited stNum and sqNum that on module parsing network, this message is up-to-date, message sends the state parameter that control module upgrades GOOSE message to be sent automatically, i.e. stNum (N)=stNum (N-1)+1, sqNum (N)=0.User clicks " test starts ", and message sends control module by after the GOOSE message receiving next frame measure and control device, in T
0send in time and control message, realize breaker remote separating brake, triggered rear auto-returned.
2) breaker closing controls
User selects GOOSE message corresponding in circuit breaker remote control device, and " remote control combined floodgate " data are set to true.User selects " test prepares ", message is smelt and is visited stNum and sqNum that on module parsing network, this message is up-to-date, message sends the state parameter that control module upgrades GOOSE message to be sent automatically, i.e. stNum (N)=stNum (N-1)+1, sqNum (N)=0.User clicks " test starts ", and message sends control module by after the GOOSE message receiving next frame measure and control device, in T
0send in time and control message, realize breaker remote and close a floodgate, triggered rear auto-returned.
3) circuit breaker deciliter point control
The GOOSE message that the remote-control data set pair that remote control device resolves measure and control device transmission is answered, analyze its bag sequence number stNum and sqNum, and automatically sequence number is joined in the message pending of remote control device within the Δ t time, i.e. stNum (N)=stNum (N-1)+1, sqNum (N)=0.User arranges 3 status switches for the message of measure and control device, realizes circuit breaker deciliter point operation.1. " remote control separating brake " data in this message are put ture, return after triggering, stand-by period t1; 2. " remote control combined floodgate " data in this message are put ture, return after triggering, stand-by period t2; 3. " remote control separating brake " data in this message are put ture, return after triggering, stand-by period t3.Wherein t1 ~ t3 can adjust according to on-site actual situations.After each state terminates, smell and visit module and all stNum and sqNum of measure and control device remote control message can be updated to message sending module and recalculate.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (2)
1. based on smelling the circuit breaker of intelligent transformer substation remote control system visiting idle condition, it is characterized in that, be connected with process layer GOOSE switch, obtain the breaker remote data set GOOSE message of measure and control device on network based on the method for smelling spy in real time;
Described circuit breaker of intelligent transformer substation remote control system comprise message smell visit module, message send control module, message accounting memory module and synchronous pair time module;
Described message is smelt and is visited the GOOSE network message of module on resolving layer GOOSE switch, and the data set of correspondence is pressed the arrangement of message MAC Address order, user analytically selects the breaker remote data set of corresponding measure and control device in list, is added into described message and sends control module;
Described message sends control module, message transmission is carried out according to the breaker remote data set that user selectes, and message sends filling in of parameter, comprise frame structure, transmission times, the time interval, return time, and to obtain on network up-to-date message status parameter s tNum and sqNum with auto modification by smelling to visit;
Described message accounting memory module, for recording the initial message all to network in the end time of self-test, shows by switching value displacement order;
Signal when module is for receiving outside pair when described synchronous pair, and a message that institute receives and send stamps precise time label to adopt FPGA to control.
2. the implementation method of circuit breaker of intelligent transformer substation remote control system according to claim 1, is characterized in that, comprise following step:
(1) described message smell visit module obtain and resolving layer GOOSE switch on all messages, user analytically selects the straighforward operation message of the corresponding measure and control device of circuit breaker to be measured in list, being added into described message sends in control module, send the transmission parameter setting straighforward operation message to be sent in control module at described message, send parameter and comprise single frames or two frame form and conjugate return time;
(2) when realizing breaker open operation or shutting-brake control, the separating brake in straighforward operation message or combined floodgate data bit are written as true by user, turn to step (3);
When realizing circuit breaker deciliter point and controlling, first, the separating brake data in straighforward operation message are set to true by user, arrange stand-by period t1; Then, the combined floodgate data in straighforward operation message are set to true, stand-by period t2 is set; Finally, the separating brake data in straighforward operation message are set to true, stand-by period t3 is set; Wherein t1 ~ t3 time independently can adjust according to the requirement of circuit-breaker testing standard; Turn to step (3);
(3) described message is smelt and is visited module and to resolve on network state parameter stNum and sqNum in measure and control device straighforward operation message, and the last look of these two parameters is assigned to message simultaneously and sends in the frame structure of next message to be sent in control module;
After test starts, tele-control system is by smelling the heartbeat message free time T visiting and calculate current measure and control device
0, described message sends control module will to receive self-test initial, after the message of measure and control device breaker remote data set, in T
0send remote-control circuit breaker telecontrol analog message in time, corresponding intelligent terminal for reception, after this message, performs breaker remote separating brake or combined floodgate, has triggered rear auto-returned;
Wherein, T
0=t
n-t
n-1, t
nfor measure and control device sends the moment of N frame straighforward operation message, t
n-1for measure and control device sends the moment of N-1 frame straighforward operation message.
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CN109870630A (en) * | 2019-02-15 | 2019-06-11 | 安徽理工大学 | Three distant fault detections of one kind and sampling metering fault detection device |
CN112770320A (en) * | 2020-12-27 | 2021-05-07 | 常熟开关制造有限公司(原常熟开关厂) | Circuit breaker communication method and device based on dynamic secret key |
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