CN107069677B - A kind of the protection priority dynamic allocation and seamless handover method of micro-capacitance sensor locality protection control integrated apparatus - Google Patents
A kind of the protection priority dynamic allocation and seamless handover method of micro-capacitance sensor locality protection control integrated apparatus Download PDFInfo
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- H02J13/0006—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/226—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for wires or cables, e.g. heating wires
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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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
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Abstract
The invention discloses a kind of protection priority dynamic allocation of micro-capacitance sensor locality protection control integrated apparatus and seamless handover methods, belong to micro-capacitance sensor protection and control technology field.Micro-capacitance sensor locality protection disclosed by the invention controls integrated apparatus; it realizes micro-capacitance sensor bus and bus connects the protection, observing and controlling, electric energy quality monitoring integrated technique of all lands; sequence of its method according to interrupt priority level from high to low; open up 4 grades of interruptions; and memory seamless handover method is used in interruption, realize that the priority of protection dynamically distributes the switching of the memory source between different priorities.The present invention solves micro-capacitance sensor locality protection and controls integrated problem, embodies intensive design philosophy, reduces operation and maintenance cost, economic and environment-friendly, and intelligence degree is high, has a good application prospect.
Description
Technical field
The invention belongs to micro-capacitance sensor protection and control technology fields, and more precisely, the present invention relates to a kind of micro-capacitance sensor areas
The protection priority of domain protection control integrated apparatus dynamically distributes and seamless handover method.
Background technique
Micro-capacitance sensor can sufficiently promote the extensive access of distributed generation resource and renewable energy, and realization can to the height of load
By supply.However, existing micro-capacitance sensor protection control technology is protected since each interval requires configuration with the development of micro-capacitance sensor
Shield, measurement, equipment for monitoring power quality, cause equipment numerous, and design is complicated, and operation and maintenance cost are excessively high.Therefore, it studies such as
What realizes that micro-capacitance sensor bus and the bus connect the region of all routes with a micro-capacitance sensor locality protection control integrated apparatus
Protection, observing and controlling, electric energy quality monitoring repertoire just become urgent needs to reduce device quantity, simplify design and solve
Certainly the problem of.
Moreover, because micro-capacitance sensor scale is different, micro-capacitance sensor locality protection controls integrated apparatus scene institute link number
It is different.It is existing complete in protection is interrupted in a fixed order with the increase of the integrated of function and institute's link number
The method with logic judgment is calculated at the protection of all routes, the protection break period occupied is long, and protection exit acts fast
Speed is greatly affected.Therefore, in the utilization of micro-capacitance sensor locality protection control integrated apparatus, the increasing of line attachment quantity
One group of contradiction is just constituted between adduction protection exit movement rapidity.This contradiction such as cannot be properly solved, it just cannot be very
Realize well by the protection of lands all in micro-capacitance sensor region, observing and controlling, electric energy quality monitoring function integration target.
In addition, the access different, different by micro-capacitance sensor locality protection control integrated apparatus scene institute link number
Number of lines needs different configurations, and since configuration step is more, not only debugging work load is big, but also is easy to appear leakage and mispairing
Situation influences the operation of device.If can slot position to plug-in unit, number, type carry out real-time online detection, and according to inserting
The configuring condition of part on-line checking is automatically performed configuration, and is automatically performed configuration when plug-in unit changes and updates, then can drop significantly
Low debugging work load, and reduce configuration error rate, to improve the reliability of device.
Summary of the invention
Object of the present invention is to: the route number accessed in the utilization of integrated apparatus scene is controlled to solve micro-capacitance sensor locality protection
Contradiction of the amount mostly between protection exit movement rapidity, the present invention provide a kind of suitable for micro-capacitance sensor locality protection control one
Disguise the protection priority dynamic allocation set and seamless handover method, the highest priority of fault initiating route are preferentially protected in 1ms
Shield completes the protection calculating and relay protective scheme judgement of starting route in interrupting, thus ensure that the rapidity of protection exit movement,
And memory seamless handover method is used, realize the seamless switching of different priorities routine calculation memory.This method is according to interruption
The sequence of priority from high to low opens up 4 grades of interruptions, and memory seamless handover method is used in interruption, realizes different routes
Priority dynamically distribute and different priorities between memory source switching.
Specifically, the protection priority of micro-capacitance sensor locality protection control integrated apparatus disclosed by the invention dynamically distributes
And seamless handover method, adopt the following technical solutions realization, comprising the following steps:
1) it when micro-capacitance sensor locality protection control integrated apparatus initialization, is dynamically distributed in the area RAM of its main CPU plug-in
The tri- pieces of memory blocks R1, R2, R3；
The above-mentioned memory block R1 is sampled value memory block, stores the sampled data of two cycles of every route；
The above-mentioned memory block R2 is memory indexed table memory block, and content includes that the circuit number of every route, sampled value are deposited
Storage area first address pointer and current memory address pointer offset amount, the sampled value memory block first address pointer are directed toward the memory block R1
Corresponding position completes initialization when powering on；
The above-mentioned memory block R3 be preferential line information memory block, content include excellent precalculated 2 routes circuit number,
Sampled value memory block first address pointer, current memory address pointer offset amount and operating time of protection count scaled value, described to adopt
Sample value memory block first address pointer is directed toward the memory block R1 corresponding position；
2) sequence according to interrupt priority level from high to low, opens up 4 grades of interruptions, the break period be respectively 312.5us, 1ms,
20ms,50ms；
The interruption 1 is 312.5us Sampling interrupt, for completing the synchronized sampling of all routes in micro-capacitance sensor region, and will
Sampled data is stored in sampling buffer；
It is described to interrupt 2 and interrupted for 1ms priority protection, the protection for completing busbar voltage and 2 preferential routes calculate with
Relay protective scheme judgement；
Described to interrupt 3 as 20ms protection interruption, protection calculating and protection for completing all routes in micro-capacitance sensor region are patrolled
Collect judgement；
Described to interrupt 4 as 50ms observing and controlling interruption, for completing the telemetering logic of all routes in micro-capacitance sensor region, remote control is patrolled
It collects, the auxiliary information processing logic of same period logic, power quality logic and timing；
3) it is interrupting in 2, the calculating of completion bus A, B, C three-phase voltage value and low frequency, low pressure, overfrequency, over-voltage first is protected
Protect the judgement of logic；Then the number for detecting 2 preferential routes in the memory block R3 indicates no fault wire if number is 0
Road is interrupted and is returned；Otherwise it enters step 4)；
4) pointer is directed toward 1 information of preferential route in the memory block R3, when according to 1 sampled data memory block of route and protection act
Between count scaled value, the preferential protection calculating for carrying out route 1 and relay protective scheme judgement；It enters step 5)；
5) needle is directed toward 2 information of preferential route in the memory block R3, according to 2 sampled data memory block of route and operating time of protection
Scaled value, the preferential protection calculating for carrying out route 2 and relay protective scheme judgement are counted, interrupts return after the completion；
6) it is interrupting in 3, first according to the index information of the route of the memory block R2 every and the sampled value of the memory block R1, is completing
The calculating of route A, B, C three-phase electricity flow valuve and the judgement of relay protective scheme, in calculating process, if detecting certain line current
When amount is greater than starting threshold, the line start mark is set.After the completion of all routine calculations, enter step 7)；
7) line start mark is checked whether there is, if so, entering step 8), otherwise, interrupts and returns；
8) whether consistent with the circuit number of route preferential in the memory block R3 the starting circuit number is retrieved, if different
It causes, then judgement has new line to break down, and enters step 9), otherwise interrupts and returns；
9) operating time of protection is calculated according to the following formula count scaled value:
MConversion=(TDefinite value-MStarting*20)
Wherein TDefinite valueIt is the adjusting definite value (unit ms) in operating time of protection time limit, MStartingTo be protected in 20ms protection is interrupted
The count value of starting, 20 be conversion coefficient, calculates resulting MConversionAs operating time of protection counts scaled value；
10) circuit number of the route, sampled data memory block first address pointer, present sample address data memory are referred to
The operating time of protection calculated in needle and step 9) counts scaled value and is stored in the memory block R3 corresponding position.By memory pointer without seaming and cutting
The faulty line is changed to, then is interrupted in 2 next, preferentially completes protection calculating and the relay protective scheme of the faulty line, realized
Protect the dynamic allocation of priority.
Beneficial effects of the present invention are as follows: disclosed by the invention to control integrated apparatus suitable for micro-capacitance sensor locality protection
Priority dynamic allocation and seamless handover method is protected to open up 4 grades of interruptions according to the sequence of interrupt priority level from high to low, therefore
The highest priority of barrier starting route, the protection calculating and relay protective scheme that starting route is completed in 1ms priority protection interrupts are sentenced
It is disconnected, to ensure that the rapidity of protection exit movement, and memory seamless handover method is used, realizes different priorities route
Calculate the seamless switching of memory.It solves the more bring of route in micro-capacitance sensor locality protection control integrated apparatus and occupies protection
Break period too long problem meets the requirement of protection exit movement rapidity, thus for micro-capacitance sensor region is better achieved
Protection, observing and controlling, the electric energy quality monitoring integration of interior all lands provide technical support.
Detailed description of the invention
Fig. 1 is that micro-capacitance sensor locality protection of the present invention controls integrated apparatus plug-in card configuration figure.
Fig. 2 is the implementation flow chart of present invention protection priority dynamic allocation method and seamless switching.
Fig. 3 is plug-in unit online test method implementation flow chart of the present invention.
Fig. 4 is intelligent allocation implementation flow chart of the present invention.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawings and in conjunction with example.
As shown in Figure 1, one embodiment of micro-capacitance sensor locality protection control integrated apparatus of the invention, from left to right
Totally 13 blocks of plug-in units, plug-in card configuration include power supply PWM plug-in unit, main CPU plug-in, analog acquisition AC plug-in unit (3 pieces), GOOSE plug-in unit,
It opens into BI plug-in unit (4 pieces), outputs BO plug-in unit (3 pieces).Above-mentioned each plug-in unit is plugged on each slot of the bus backplane of cabinet.Its
In the function of each plug-in unit be:
Power supply PWM plug-in unit, for providing device working power and remote signalling power supply；
Main CPU plug-in, this plug-in unit are unit protection, control, the main plug-in unit of electric energy quality monitoring integrated function realization.For
Complete analog data processing, the switching value data processing, protection algorism, relay protective scheme judgement, Harmonics Calculation, survey of all routes
Quantity algorithm, remote signalling logic, remote control logic, same period logic, electric energy quality monitoring logic and IEC61850 communication function；
Analog acquisition AC plug-in unit, for acquiring the three-phase current mould of three-phase bus voltage, synchronous voltage and all routes
The ac analog of acquisition is filtered, samples and A/D transformation, and carried out by SPORT interface and main CPU plug-in by analog quantity
Real time data information exchange；
It opens into BI plug-in unit, for acquiring switching value, and by after switching value progress remote signalling processing, master is sent to by CAN bus
CPU card；
BO plug-in unit is outputed, for receiving the remote control command of main CPU plug-in transmission by CAN bus and passing through exit relay
Control is outputed in realization；
GOOSE plug-in unit, the fiber optic network interface including independent MAC, for receiving the trip signal of other devices and passing through
GOOSE sends circuit breaker position, same period adjustment state information；
Above-mentioned PWM plug-in unit and main CPU plug-in are fixed on 1# and 2# groove location, remaining slot can be according to actual field need
Carry out any plug-in card configuration.Show the transmission of large capacity real time data between AC plug-in unit and main CPU plug-in by SPORT cause for gossip,
Plugin information message, remote signalling message, the transmission for being remotely controlled message, other command messages are realized by CAN bus between each plug-in unit.
As shown in Fig. 2, protection priority proposed by the present invention dynamically distributes and seamless handover method, the steps include:
Including initializing, interrupting 1, interrupt 2, interruption 3,4 several parts of interruption.
1) it when micro-capacitance sensor locality protection control integrated apparatus initialization, is dynamically distributed in the area RAM of its main CPU plug-in
The tri- pieces of memory blocks R1, R2, R3；
The above-mentioned memory block R1 is sampled data memory block, stores the sampled data of two cycles of every route；
The above-mentioned memory block R2 is memory indexed table memory block, and content includes that the circuit number of every route, sampled value are deposited
Storage area first address pointer (being directed toward the memory block R1 corresponding position) and current memory address pointer offset amount, are completed initial when powering on
Change；
The above-mentioned memory block R3 be preferential line information memory block, content include excellent precalculated 2 routes circuit number,
Sampled value memory block first address pointer (being directed toward the memory block R1 corresponding position), current memory address pointer offset amount and protection act
Time counting scaled value；
2) sequence according to interrupt priority level from high to low, opens up 4 grades of interruptions, the break period be respectively 312.5us, 1ms,
20ms,50ms；
The interruption 1 is 312.5us Sampling interrupt, for completing the synchronized sampling of all routes in micro-capacitance sensor region, and will
Sampled data is stored in sampling buffer；
It is described to interrupt 2 and interrupted for 1ms priority protection, the protection for completing busbar voltage and 2 preferential routes calculate with
Relay protective scheme judgement；
Described to interrupt 3 as 20ms protection interruption, protection calculating and protection for completing all routes in micro-capacitance sensor region are patrolled
Collect judgement；
Described to interrupt 4 as 50ms observing and controlling interruption, for completing the telemetering logic of all routes in micro-capacitance sensor region, remote control is patrolled
It collects, the auxiliary information processing logic of same period logic, power quality logic and timing；
3) it is interrupting in 1, is completing the synchronized sampling of all routes and the preservation of sampled data；
4) it is interrupting in 2, the calculating of completion bus A, B, C three-phase voltage value and low frequency, low pressure, overfrequency, over-voltage first is protected
Protect the judgement of logic；Then the number for detecting 2 preferential routes in the memory block R3 indicates no fault wire if number is 0
Road is interrupted and is returned；Otherwise it enters step 5)；
5) pointer is directed toward 1 information of preferential route in the memory block R3, when according to 1 sampled data memory block of route and protection act
Between count scaled value, the preferential protection calculating for carrying out route 1 and relay protective scheme judgement；
6) needle is directed toward 2 information of preferential route in the memory block R3, according to 2 sampled data memory block of route and operating time of protection
Scaled value, the preferential protection calculating for carrying out route 2 and relay protective scheme judgement are counted, interrupts return after the completion；
7) it is interrupting in 3, first according to the index information of the route of the memory block R2 every and the sampled value of the memory block R1, is completing
The calculating of route A, B, C three-phase electricity flow valuve and the judgement of relay protective scheme, in calculating process, if detecting certain line current
When amount is greater than starting threshold, the line start mark is set.After the completion of all routine calculations, enter step 8)；
8) line start mark is checked whether there is, if so, entering step 9), otherwise, interrupts and returns；
9) whether consistent with the circuit number of route preferential in the memory block R3 the starting circuit number is retrieved, if different
It causes, then judgement has new line to break down, and enters step 10), otherwise interrupts and returns；
10) operating time of protection is calculated according to the following formula count scaled value:
MConversion=(TDefinite value-MStarting*20)
Wherein TDefinite valueIt is the adjusting definite value (unit ms) in operating time of protection time limit, MStartingTo be protected in 20ms protection is interrupted
The count value of starting, 20 be conversion coefficient, calculates resulting MConversionAs operating time of protection counts scaled value；
11) circuit number of the route, sampled data memory block first address pointer, present sample address data memory are referred to
The operating time of protection calculated in needle and step 10) counts scaled value and is stored in the memory block R3 corresponding position.Memory pointer is seamless
It is switched to the faulty line, then is interrupted in 2 next, preferentially completes protection calculating and the relay protective scheme of the faulty line, it is real
The dynamic allocation of protection priority are showed；
12) it is interrupting in 4, is completing telemetering logic, remote control logic, same period logic, the power quality logic sum of all routes
The auxiliary information of timing handles logic.
As shown in figure 3, plug-in unit online test method proposed by the present invention, the steps include:
1) area FLASH of the main CPU plug-in of micro-capacitance sensor locality protection control integrated apparatus includes two panels data field, a piece of
Data field is used for all plugin informations of save set, referred to as plug-in card configuration library, and another sheet data area is run for saving scene
The plugin information of device actual disposition, referred to as running configuration library；
2) in device operational process, main CPU plug-in timing passes through CAN bus and the plug-in unit of all slots carries out plug-in unit letter
The interaction of breath；Interactive process is as follows:
2-1) main CPU plug-in broadcasts handshake message to the plug-in unit of all slots by CAN bus every timing in 15 minutes；
After 2-2) each plug-in unit receives the handshake message that main CPU plug-in is sent, response message, report are sent to main CPU plug-in
Literary content includes slot numbering, plug-in unit sequence number, plug-in resource and plug-in unit current state where plug-in unit；
If 2-3) main CPU plug-in connects the response message for receiving each plug-in unit, message is parsed and is stored in message buffering
Area, otherwise circulation receives；
2-4) when main CPU plug-in receives the response message of all plug-in units or does not continuously receive certain plug-in unit response report three times
Wen Hou sets message and updates mark=1, enters step 2-6), otherwise enter step 2-5)；
2-5) main CPU plug-in continuously transmits to the plug-in unit for not receiving response message and orients handshake message three times, enters step
2-4)；
It, will be in the plugin information that received and running configuration library after 2-6) main CPU plug-in detects that message updates mark=1
Plugin information is proofreaded；
If 2-7) plugin information and plugin information check and correction in running configuration library are inconsistent, enter step 3), otherwise, judgement
Without update of plug-in, this testing process terminates, and enters step 2-1) carry out new round detection；
3) main CPU plug-in matches the plugin information of update with device plugin library, enters step 4) after successful match；
Otherwise it alerts, alarm cause is X plug-in card configuration mistake, enters step 2-1)；
The 4) main CPU plug-in resource in device plugin library is verified with the plug-in resource received, if verification at
5) function enters step in the running configuration library of information deposit main CPU plug-in；If unsuccessful alarm, alarm cause is X plug-in unit
Check errors enter step 2-1)；
5) it by the running configuration library of information deposit main CPU plug-in, sets configuration and updates mark=1, message updates mark=0；
6) device automatically resets, and reinitializes.
As shown in figure 4, intelligent allocation method proposed by the present invention, the steps include:
1) it (equally may be provided in the area FLASH) in the main CPU plug-in of micro-capacitance sensor locality protection control integrated apparatus
Online database and the running configuration library of device are set, and online database is device actual operating data library, including online telemetering
Library, is remotely controlled library, online power quality library, online protection information bank and online IEC61850 communication module at online remote signalling library online
Library；Telemetering entry information when wherein online telemetering library is device actual motion, when online remote signalling library is device actual motion
Remote signalling entry information, the online remote control entry information being remotely controlled when library is device actual motion, online power quality library are that device is real
Power quality entry information when border is run, protection entry information when online protection information bank is device actual motion, online
IEC61850 communication module library includes telemetering template library, remote signalling template library, remote control template library, power quality template library and protection mould
Plate library；Running configuration library described in running configuration library and online test method is same database, by aforementioned on-line checking side
Method is updated；
2) during initialization, the main CPU plug-in detection configuration of micro-capacitance sensor locality protection control integrated apparatus updates
Whether mark is 1 (mark sets 1 when detection has update of plug-in by aforementioned plug-in unit on-line checking process), if configuration updates mark
3) will=1 enters step, otherwise exits this method；
3) by the online telemetering library entry 1 ... of the telemetry intelligence (TELINT) library content of plug-in unit 1 ... ..n in running configuration library and device
..n information is compared, if inconsistent, is entered step 4), is otherwise entered step 5)；Wherein n is the plug-in unit of actual disposition
Number；
4) by the online telemetering library of the telemetry intelligence (TELINT) library content copy of plug-in unit 1 ... ..n in running configuration library to main CPU plug-in
Corresponding entry is completed online telemetering library and is updated, and sets telemetering library and updates mark=1, and saves all update plug-in unit numbers, into step
It is rapid 5)；
5) by the online remote signalling library entry 1 ... of the remote signalling information bank content of plug-in unit 1 ... ..n in running configuration library and device
..n information is compared, if inconsistent, is entered step 6), is otherwise entered step 7)；
6) by the online remote signalling library of the remote signalling information bank content copy of plug-in unit 1 ... ..n in running configuration library to main CPU plug-in
Corresponding entry is completed online remote signalling library and is updated, and sets remote signalling library and updates mark=1, and saves all update plug-in unit numbers, into step
It is rapid 7)；
7) by the online remote control library entry 1 ... of the remote information library content of plug-in unit 1 ... ..n in running configuration library and device
..n information is compared, if inconsistent, is entered step 8), is otherwise entered step 9)；
8) by the online remote control library of the remote information library content copy of plug-in unit 1 ... ..n in running configuration library to main CPU plug-in
Corresponding entry is completed online remote control library and is updated, set remote control library and update mark=1, and saves all update plug-in unit numbers, into step
It is rapid 9)；
9) by the online protection information bank entry of protection the information bank content and device of plug-in unit 1 ... ..n in running configuration library
The information of 1 ... ..n is compared, if inconsistent, is entered step 10), is otherwise entered step 11)；
10) by the online protection of the protection information bank content copy of plug-in unit 1 ... ..n in running configuration library to main CPU plug-in
Information bank corresponding entry is completed online protection information bank and is updated, sets protection information bank and update mark=1, and save all updates
11) plug-in unit number, enters step；
11) by the online power quality library entry of the power quality library content of plug-in unit 1 ... ..n in running configuration library and device
The information of 1 ... ..n is compared, if inconsistent, is entered step 12), is otherwise entered step 13)；
12) by the online electric energy of the power quality library content copy of plug-in unit 1 ... ..n in running configuration library to main CPU plug-in
Quality library corresponding entry is completed online power quality library and is updated, and sets power quality library and updates mark=1, and saves all updates
13) plug-in unit number, enters step；
13) detection telemetering library updates whether mark is 1, if updating mark=1, enters step 14), otherwise enters step
15)；
14) it is numbered according to the update plug-in unit of preservation, running configuration library is corresponded in the IEC61850 telemetering template library of plug-in unit
Hold the online IEC61850 telemetering template library for copying main CPU plug-in to, completes online IEC61850 telemetering template renewal, it is all to insert
Part is completed after updating, and is set telemetering library and is updated mark=0, enters step 15)；
15) detection remote signalling library updates whether mark is 1, if updating mark=1, enters step 16), otherwise enters step
17)；
16) it is numbered according to the update plug-in unit of preservation, running configuration library is corresponded in the IEC61850 remote signalling template library of plug-in unit
Hold the online IEC61850 remote signalling template library for copying main CPU plug-in to, completes online IEC61850 remote signalling template library and update, own
Plug-in unit is completed after updating, and is set remote signalling library and is updated mark=0, enters step 17)；
17) detection remote control library updates whether mark is 1, if updating mark=1, enters step 18), otherwise enters step
19)；
18) it is numbered according to the update plug-in unit of preservation, running configuration library is corresponded in the IEC61850 remote control template library of plug-in unit
Hold the online IEC61850 remote control template library for copying main CPU plug-in to, completes online IEC61850 remote control template library and update, own
Plug-in unit is completed after updating, and is set remote control library and is updated mark=0, enters step 19)；
19) detection power quality library updates whether mark is 1, if updating mark=1, enters step 20), otherwise enters
Step 21)；
20) it is numbered according to the update plug-in unit of preservation, running configuration library is corresponded to the IEC61850 power quality template of plug-in unit
Library content copy completes online IEC61850 power quality mould to the online IEC61850 power quality template library of main CPU plug-in
Plate library updates, and all plug-in units are completed after updating, and sets power quality library and updates mark=0, enters step 21)；
21) detection protection information bank updates whether mark is 1, if updating mark=1, enters step 22), otherwise enters
Step 23)；
22) it is numbered according to the update plug-in unit of preservation, running configuration library is corresponded in the IEC61850 protection template library of plug-in unit
Hold the online IEC61850 protection template library for copying main CPU plug-in to, completes online IEC61850 protection template library and update, own
Plug-in unit is completed after updating, and is set protection information bank and is updated mark=0, enters step 23)；
23) it sets configuration and updates mark=0, complete this intelligent allocation.
Although the present invention has been described by way of example and in terms of the preferred embodiments, embodiment is not for the purpose of limiting the invention.Not
It is detached from the spirit and scope of the present invention, any equivalent change or retouch done also belongs to the protection scope of the present invention.Cause
This protection scope of the present invention should be based on the content defined in the claims of this application.
Claims (1)
1. a kind of protection priority dynamically distributes and seamless handover method, which comprises the following steps:
1) when micro-capacitance sensor locality protection control integrated apparatus initialization when, its main CPU plug-in the area RAM dynamically distribute R1,
The tri- pieces of memory blocks R2, R3；
The above-mentioned memory block R1 is sampled value memory block, stores the sampled data of two cycles of every route；
The above-mentioned memory block R2 is memory indexed table memory block, and content includes the circuit number of every route, sampled value memory block
First address pointer and current memory address pointer offset amount, it is corresponding that the sampled value memory block first address pointer is directed toward the memory block R1
Position completes initialization when powering on；
The above-mentioned memory block R3 is preferential line information memory block, and content includes the circuit number of excellent precalculated 2 routes, sampling
It is worth memory block first address pointer, current memory address pointer offset amount and operating time of protection and counts scaled value, the sampled value
Memory block first address pointer is directed toward the memory block R1 corresponding position；
2) sequence according to interrupt priority level from high to low, opens up 4 grades of interruptions, the break period be respectively 312.5us, 1ms,
20ms,50ms；
It is described to interrupt 1 as 312.5us Sampling interrupt, for completing the synchronized sampling of all routes in micro-capacitance sensor region, and will sample
Data are stored in sampling buffer；
Described to interrupt 2 as the interruption of 1ms priority protection, the protection for completing busbar voltage and 2 preferential routes calculates and protection
Logic judgment；
Described to interrupt 3 as 20ms protection interruption, protection calculating and relay protective scheme for completing all routes in micro-capacitance sensor region are sentenced
It is disconnected；
It is described to interrupt 4 and interrupted for 50ms observing and controlling, for completing the telemetering logic of all routes in micro-capacitance sensor region, remote control logic, same
The auxiliary information of phase logic, power quality logic and timing handles logic；
3) it is interrupting in 2, the calculating of completion bus A, B, C three-phase voltage value and low frequency, low pressure, overfrequency, overvoltage protection are patrolled first
The judgement collected；Then the number for detecting 2 preferential routes in the memory block R3 indicates no faulty line if number is 0, in
It is disconnected to return；Otherwise it enters step 4)；
4) pointer is directed toward 1 information of preferential route in the memory block R3, according to 1 sampled data memory block of route and operating time of protection meter
Number scaled value, the preferential protection calculating for carrying out route 1 and relay protective scheme judgement；It enters step 5)；
5) pointer is directed toward 2 information of preferential route in the memory block R3, according to 2 sampled data memory block of route and operating time of protection meter
Number scaled value, the preferential protection calculating for carrying out route 2 and relay protective scheme judgement, interrupt return after the completion；
6) it is interrupting in 3, first according to the index information of the route of the memory block R2 every and the sampled value of the memory block R1, is completing route
A, the judgement of the calculating of B, C three-phase electricity flow valuve and relay protective scheme, in calculating process, if detecting that certain line electricity flow is big
When starting threshold, the line start mark is set；After the completion of all routine calculations, enter step 7)；
7) line start mark is checked whether there is, if so, entering step 8), otherwise, interrupts and returns；
8) whether consistent with the circuit number of route preferential in the memory block R3 the starting circuit number is retrieved, if it is inconsistent,
Judgement has new line to break down, and enters step 9), otherwise interrupts and returns；
9) operating time of protection is calculated according to the following formula count scaled value:
MConversion=(TDefinite value-MStarting*20)
Wherein TDefinite valueIt is the adjusting definite value in operating time of protection time limit, unit ms, MStartingTo protect starting in 20ms protection is interrupted
Count value, 20 be conversion coefficient, calculates resulting MConversionAs operating time of protection counts scaled value；
10) by the circuit number of the route, sampled data memory block first address pointer, present sample address data memory pointer and
The operating time of protection calculated in step 9) counts scaled value and is stored in the memory block R3 corresponding position；Memory pointer is seamlessly switched to
The faulty line then interrupts in 2 next, preferentially completes protection calculating and the relay protective scheme of the faulty line, realizes protection
The dynamic allocation of priority.
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|---|---|---|---|
| CN201710116724.6A CN107069677B (en) | 2014-09-04 | 2014-09-04 | A kind of the protection priority dynamic allocation and seamless handover method of micro-capacitance sensor locality protection control integrated apparatus |
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| CN201410446406.2A CN104333129B (en) | 2014-09-04 | 2014-09-04 | A kind of micro-capacitance sensor locality protection controls the intelligent allocation method of integrated apparatus |
| CN201710116724.6A CN107069677B (en) | 2014-09-04 | 2014-09-04 | A kind of the protection priority dynamic allocation and seamless handover method of micro-capacitance sensor locality protection control integrated apparatus |
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| CN201410446406.2A Active CN104333129B (en) | 2014-09-04 | 2014-09-04 | A kind of micro-capacitance sensor locality protection controls the intelligent allocation method of integrated apparatus |
| CN201710116682.6A Active CN106685090B (en) | 2014-09-04 | 2014-09-04 | A kind of plug-in unit online test method of micro-capacitance sensor locality protection control integrated apparatus |
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| CN112527551B (en) * | 2020-12-10 | 2023-02-10 | 许继集团有限公司 | Method and system for improving data interaction reliability of internal outlet of relay protection device |
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| CN201639364U (en) * | 2010-04-06 | 2010-11-17 | 国电南瑞科技股份有限公司 | Digital-analog integrated combining unit and intelligent terminal integrated device |
| CN201766417U (en) * | 2010-09-13 | 2011-03-16 | 广东电网公司茂名供电局 | Integrated device for protecting, detecting and combining units |
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| CN202903915U (en) * | 2012-09-29 | 2013-04-24 | 南京南瑞继保电气有限公司 | Intelligent testing instrument of switching value plug-ins |
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| 基于任务调度的电能量计量采集系统的设计与实现;王军等;《电网技术》;20061031;第104-107页 |
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| CN106685090A (en) | 2017-05-17 |
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