CN107069677A - The protection priority dynamically distributes and seamless handover method of a kind of micro-capacitance sensor locality protection control integrated apparatus - Google Patents
The protection priority dynamically distributes and seamless handover method of a kind 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
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The invention discloses a kind of protection priority dynamically distributes of micro-capacitance sensor locality protection control integrated apparatus and seamless handover method, belong to micro-capacitance sensor protection and control technology field.Micro-capacitance sensor locality protection disclosed by the invention controls integrated apparatus; realize micro-capacitance sensor bus and bus connects the protection, observing and controlling, electric energy quality monitoring integrated technique of all lands; order of its method according to interrupt priority level from high to low; open up 4 grades of interruptions; and internal memory seamless handover method is used in interruption, realize the switching of memory source between the priority dynamically distributes and different priorities of protection.The present invention solves the problem of micro-capacitance sensor locality protection control integration, embodies intensive design philosophy, reduces operation and maintenance cost, and economic and environment-friendly, intelligence degree is high, has a good application prospect.
Description
Technical field
The invention belongs to micro-capacitance sensor protection and control technology field, more precisely, the present invention relates to a kind of micro-capacitance sensor area
The protection priority dynamically distributes and seamless handover method of domain protection control integrated apparatus.
Background technology
Micro-capacitance sensor can sufficiently promote the extensive access of distributed power source and regenerative resource, and realizing can to the height of load
By supply.However, with the development of micro-capacitance sensor, existing micro-capacitance sensor protection control technology is required for configuration to protect due to each interval
Shield, measurement, equipment for monitoring power quality, cause equipment numerous, and design is complicated, and operation and maintenance cost are too high.Therefore, study such as
What controls integrated apparatus to realize that micro-capacitance sensor bus and the bus connect the region of all circuits with a micro-capacitance sensor locality protection
Protection, observing and controlling, the repertoire of electric energy quality monitoring, so as to reduce device quantity, simplify design, just become one and are badly in need of solution
Certainly the problem of.
It is additionally, since micro-capacitance sensor scale different, the live institute's link number of micro-capacitance sensor locality protection control integrated apparatus
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
Into the method for the protection calculating and logic judgment of all circuits, the protection break period that it takes is long, and it is fast that protection exit is acted
Speed is greatly affected.Therefore, in the utilization that micro-capacitance sensor locality protection controls integrated apparatus, the increasing of line attachment quantity
Plus just constitute one group of contradiction between protection exit action rapidity.This contradiction such as can not be properly solved, just can not be very
Realize well by the protection of all lands in micro-capacitance sensor region, observing and controlling, electric energy quality monitoring function integration target.
Further, since different, the different access of the live institute's link number of micro-capacitance sensor locality protection control integrated apparatus
Number of lines needs different configurations, because configuration step is more, and not only debugging work load is big, and leakage and mispairing easily occurs
Situation, influences the operation of device.If real-time online detection can be carried out to the slot position of plug-in unit, number, species, and according to slotting
The configuring condition of part on-line checking is automatically performed configuration, and is automatically performed config update when plug-in unit changes, then can drop significantly
Low debugging work load, and configuration error rate is reduced, so as to improve the reliability of device.
The content of the invention
The present invention seeks to：To solve the circuit number accessed during micro-capacitance sensor locality protection control integrated apparatus scene is used
The many contradictions acted protection exit between rapidities of amount, present invention offer is a kind of to be applied to micro-capacitance sensor locality protection control one
Disguise the protection priority dynamically distributes and seamless handover method, the highest priority of fault initiating circuit put, preferentially protected in 1ms
Shield interrupts the interior protection calculating for completing to start circuit and relay protective scheme judges, so that the rapidity of protection exit action is ensure that,
And internal memory seamless handover method is used, realize the seamless switching of different priorities routine calculation internal memory.This method is according to interruption
The order of priority from high to low, opens up 4 grades of interruptions, and uses internal memory seamless handover method in interruption, realizes different circuits
Priority dynamically distributes and different priorities between memory source switching.
Specifically, micro-capacitance sensor locality protection disclosed by the invention controls the protection priority dynamically distributes of integrated apparatus
And seamless handover method, it is to be realized using following technical scheme, comprises the following steps：
1) when micro-capacitance sensor locality protection control integrated apparatus initialization, in the RAM areas dynamically distributes of its main CPU plug-in
Tri- pieces of memory blocks of R1, R2, R3；
Above-mentioned R1 memory blocks are sampled value memory block, store the sampled data of two cycles of every circuit；
Above-mentioned R2 memory blocks are internal memory indexed table memory block, and content includes the circuit number of every circuit, sampled value and deposited
Storage area first address pointer and current memory address pointer offset amount, the sampled value memory block first address pointer point to R1 memory blocks
Correspondence position, initialization is completed when upper electric；
Above-mentioned R3 memory blocks are preferential line information memory block, the circuit number of content including excellent precalculated 2 circuits,
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 points to R1 memory blocks correspondence position；
2) order 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 for 312.5us Sampling interrupts, the synchronized sampling for completing all circuits in micro-capacitance sensor region, and will
Sampled data is stored in sampling buffer；
It is described that to interrupt 2 be that 1ms priority protections are interrupted, the protection for completing busbar voltage and 2 preferential circuits calculate with
Relay protective scheme judges；
The interruption 3 is that 20ms protects interruption, and protection calculating and protection for completing all circuits in micro-capacitance sensor region are patrolled
Collect and judge；
The interruption 4 is that 50ms observing and controlling is interrupted, and is patrolled for completing the remote measurement logic of all circuits in micro-capacitance sensor region, remote control
Collect, same period logic, the auxiliary information of quality of power supply logical sum timing handle logic；
3) interrupting in 2, the calculating and low frequency, low pressure, overfrequency, overvoltage that bus A, B, C three-phase voltage value is completed first are protected
Protect the judgement of logic；Then the numbering of 2 preferential circuits in R3 memory blocks is detected, if numbering is 0, no fault wire is represented
Road, interrupts and returns；Otherwise step 4 is entered)；
4) pointer points to the preferential information of circuit 1 in R3 memory blocks, during according to the sampled data memory block of circuit 1 and protection act
Between count scaled value, preferentially enter row line 1 protection calculating and relay protective scheme judge；Into step 5)；
5) pin points to the preferential information of circuit 2 in R3 memory blocks, according to the sampled data memory block of circuit 2 and operating time of protection
Count scaled value, preferentially enter row line 2 protection calculating and relay protective scheme judge, after the completion of interrupt return；
6) interrupting in 3, first according to the index information of the circuit of R2 memory blocks every and the sampled value of R1 memory blocks, completing
The calculating of circuit 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 more than startup threshold, the line start mark is put.After the completion of all routine calculations, into step 7)；
7) line start mark is checked whether there is, if so, into step 8), otherwise, interrupt and return；
8) whether consistent with the circuit number of preferential circuit in R3 memory blocks the startup circuit number is retrieved, if differed
Cause, then judge there is new line to break down, into step 9), otherwise interrupt and return；
9) operating time of protection is calculated according to below equation and counts scaled value：
MConversion=(TDefinite value-MStart*20)
Wherein TDefinite valueIt is to adjust definite value (unit ms), M in the operating time of protection time limitStartTo be protected in being interrupted in 20ms protections
The count value of startup, 20 be conversion coefficient, the M obtained by calculatingConversionAs operating time of protection counts scaled value；
10) circuit number of the circuit, sampled data memory block first address pointer, present sample address data memory are referred to
Pin and step 9) the middle operating time of protection counting scaled value deposit R3 memory blocks correspondence position calculated.By memory pointer without seaming and cutting
The faulty line is changed to, then is interrupted next in 2, preferentially completes protection calculating and the relay protective scheme of the faulty line, realized
Protect the dynamically distributes of priority.
Beneficial effects of the present invention are as follows：It is disclosed by the invention to control integrated apparatus suitable for micro-capacitance sensor locality protection
Priority dynamically distributes and seamless handover method are protected, according to the order of interrupt priority level from high to low, 4 grades of interruptions are opened up, therefore
Barrier starts the highest priority of circuit, completes to start the protection calculating of circuit in 1ms priority protections are interrupted and relay protective scheme is sentenced
It is disconnected, so as to ensure that the rapidity of protection exit action, and internal memory seamless handover method is used, realize different priorities circuit
Calculate the seamless switching of internal memory.Solve the more occupancy protection brought of circuit in micro-capacitance sensor locality protection control integrated apparatus
The problem of break period is long, meets the requirement that protection exit acts rapidity, so that 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.
Brief description of the drawings
Fig. 1 is that micro-capacitance sensor locality protection of the present invention controls integrated apparatus plug-in card configuration figure.
Fig. 2 is present invention protection priority dynamic allocation method and the implementation process figure of seamless switching.
Fig. 3 is plug-in unit online test method implementation process figure of the present invention.
Fig. 4 is intelligent allocation implementation process figure of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and with reference to example.
As shown in figure 1, the micro-capacitance sensor locality protection of the present invention controls one embodiment of integrated apparatus, it is from left to right
Totally 13 blocks of plug-in units, plug-in card configuration include power supply PWM plug-in units, main CPU plug-in, analog acquisition AC plug-in units (3 pieces), GOOSE plug-in units,
Open into BI plug-in units (4 pieces), output BO plug-in units (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 units, for providing device working power and remote signalling power supply；
Main CPU plug-in, this plug-in unit is that unit protection, control, electric energy quality monitoring integrated function realize main plug-in unit.For
Complete analog data processing, switching value data processing, protection algorism, relay protective scheme judgement, Harmonics Calculation, the survey of all circuits
Quantity algorithm, remote signalling logic, remote control logic, same period logic, electric energy quality monitoring logical sum IEC61850 communication functions；
Analog acquisition AC plug-in units, the three-phase current mould for gathering three-phase bus voltage, synchronous voltage and all circuits
Analog quantity, the ac analog of collection is filtered, sampled and A/D conversion, and is carried out by SPORT interfaces and main CPU plug-in
Real time data information exchange；
Open into BI plug-in units, carried out for gathering switching value, and by switching value after remote signalling processing, master is sent to by CAN
CPU card；
BO plug-in units are outputed, for receiving the guidance command of main CPU plug-in transmission by CAN and passing through exit relay
Control is outputed in realization；
GOOSE plug-in units, include independent MAC fiber optic network interface, 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 units are fixed on 1# and 2# groove locations with main CPU plug-in, and remaining slot can be according to actual field need
Carry out any plug-in card configuration.By the transmission of the existing Large Copacity real time data of SPORT causes for gossip between AC plug-in units and main CPU plug-in,
The transmission of plugin information message, remote signalling message, remote control message, other command messages is realized between each plug-in unit by CAN.
As shown in Fig. 2 proposed by the present invention protect priority dynamically distributes and seamless handover method, its step is：
Including initialization, interrupt 1, interruption 2, interruption 3,4 several parts of interruption.
1) when micro-capacitance sensor locality protection control integrated apparatus initialization, in the RAM areas dynamically distributes of its main CPU plug-in
Tri- pieces of memory blocks of R1, R2, R3；
Above-mentioned R1 memory blocks are sampled data memory block, store the sampled data of two cycles of every circuit；
Above-mentioned R2 memory blocks are internal memory indexed table memory block, and content includes the circuit number of every circuit, sampled value and deposited
Storage area first address pointer (point to R1 memory blocks correspondence position) and current memory address pointer offset amount, are completed initially when upper electric
Change；
Above-mentioned R3 memory blocks are preferential line information memory block, the circuit number of content including excellent precalculated 2 circuits,
Sampled value memory block first address pointer (pointing to R1 memory blocks correspondence position), current memory address pointer offset amount and protection act
Time counting scaled value；
2) order 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 for 312.5us Sampling interrupts, the synchronized sampling for completing all circuits in micro-capacitance sensor region, and will
Sampled data is stored in sampling buffer；
It is described that to interrupt 2 be that 1ms priority protections are interrupted, the protection for completing busbar voltage and 2 preferential circuits calculate with
Relay protective scheme judges；
The interruption 3 is that 20ms protects interruption, and protection calculating and protection for completing all circuits in micro-capacitance sensor region are patrolled
Collect and judge；
The interruption 4 is that 50ms observing and controlling is interrupted, and is patrolled for completing the remote measurement logic of all circuits in micro-capacitance sensor region, remote control
Collect, same period logic, the auxiliary information of quality of power supply logical sum timing handle logic；
3) interrupting in 1, completing the synchronized sampling of all circuits and the preservation of sampled data；
4) interrupting in 2, the calculating and low frequency, low pressure, overfrequency, overvoltage that bus A, B, C three-phase voltage value is completed first are protected
Protect the judgement of logic；Then the numbering of 2 preferential circuits in R3 memory blocks is detected, if numbering is 0, no fault wire is represented
Road, interrupts and returns；Otherwise step 5 is entered)；
5) pointer points to the preferential information of circuit 1 in R3 memory blocks, during according to the sampled data memory block of circuit 1 and protection act
Between count scaled value, preferentially enter row line 1 protection calculating and relay protective scheme judge；
6) pin points to the preferential information of circuit 2 in R3 memory blocks, according to the sampled data memory block of circuit 2 and operating time of protection
Count scaled value, preferentially enter row line 2 protection calculating and relay protective scheme judge, after the completion of interrupt return；
7) interrupting in 3, first according to the index information of the circuit of R2 memory blocks every and the sampled value of R1 memory blocks, completing
The calculating of circuit 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 more than startup threshold, the line start mark is put.After the completion of all routine calculations, into step 8)；
8) line start mark is checked whether there is, if so, into step 9), otherwise, interrupt and return；
9) whether consistent with the circuit number of preferential circuit in R3 memory blocks the startup circuit number is retrieved, if differed
Cause, then judge there is new line to break down, into step 10), otherwise interrupt and return；
10) operating time of protection is calculated according to below equation and counts scaled value：
MConversion=(TDefinite value-MStart*20)
Wherein TDefinite valueIt is to adjust definite value (unit ms), M in the operating time of protection time limitStartTo be protected in being interrupted in 20ms protections
The count value of startup, 20 be conversion coefficient, the M obtained by calculatingConversionAs operating time of protection counts scaled value；
11) circuit number of the circuit, sampled data memory block first address pointer, present sample address data memory are referred to
Pin and step 10) the middle operating time of protection counting scaled value deposit R3 memory blocks correspondence position calculated.Memory pointer is seamless
The faulty line is switched to, then is interrupted next in 2, preferentially completes protection calculating and the relay protective scheme of the faulty line, it is real
The dynamically distributes of protection priority are showed；
12) interrupting in 4, completing remote measurement logic, remote control logic, same period logic, the quality of power supply logical sum of all circuits
The auxiliary information processing logic of timing.
As shown in figure 3, plug-in unit online test method proposed by the present invention, its step is：
1) the FLASH areas of the main CPU plug-in of micro-capacitance sensor locality protection control integrated apparatus include 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 storehouse, and another sheet data area is run for saving scene
The plugin information of device actual disposition, referred to as running configuration storehouse；
2) during plant running, main CPU plug-in timing carries out plug-in unit letter by the plug-in unit of CAN and all slots
The interaction of breath；Interaction is as follows：
2-1) main CPU plug-in broadcasts handshake message by CAN every timing in 15 minutes to the plug-in unit of all slots；
2-2) each plug-in unit is received after the handshake message of main CPU plug-in transmission, and response message, report are sent to main CPU plug-in
Slot numbering, plug-in unit sequence number, plug-in resource and plug-in unit current state where literary content includes plug-in unit；
If 2-3) main CPU plug-in connects the response message for receiving each plug-in unit, message is parsed and message buffering is stored in
Area, otherwise circulation is received；
2-4) when main CPU plug-in receives the response message of all plug-in units or does not receive certain plug-in unit response report for continuous three times
Wen Hou, puts message and updates mark=1, into step 2-6), otherwise into step 2-5)；
2-5) main CPU plug-in continuously transmits three orientation handshake message to the plug-in unit for not receiving response message, into step
2-4)；
2-6) main CPU plug-in detects message and updated after mark=1, by the plugin information received and running configuration storehouse
Plugin information is proofreaded；
If 2-7) plugin information and plugin information check and correction in running configuration storehouse are inconsistent, into step 3), otherwise, judge
Without update of plug-in, this testing process terminates, into step 2-1) carry out new round detection；
3) main CPU plug-in is matched the plugin information of renewal with device plugin library, enters step 4 after the match is successful)；
Otherwise alert, alarm cause is X plug-in card configuration mistakes, into step 2-1)；
4) main CPU plug-in resource in device plugin library and the plug-in resource received are verified, if verified into
Work(, information is stored in the running configuration storehouse of main CPU plug-in, into step 5)；If unsuccessful alarm, alarm cause is X plug-in units
Check errors, into step 2-1)；
5) information is stored in the running configuration storehouse of main CPU plug-in, config update mark=1 is put, message updates mark=0；
6) device automatically resets, and reinitializes.
As shown in figure 4, intelligent allocation method proposed by the present invention, its step is：
1) (equally it may be provided in FLASH areas) in the main CPU plug-in that micro-capacitance sensor locality protection controls integrated apparatus
Online database and the running configuration storehouse of device are set, and online database is device actual operating data storehouse, including online remote measurement
Storehouse, online remote signalling storehouse, online remote control storehouse, online quality of power supply storehouse, online protection information storehouse and online IEC61850 communication modules
Storehouse；Remote measurement items for information when wherein online remote measurement storehouse is device actual motion, when online remote signalling storehouse is device actual motion
Remote signalling items for information, remote control items for information when online remote control storehouse is device actual motion, online quality of power supply storehouse is that device is real
Quality of power supply items for information when border is run, protection items for information when online protection information storehouse is device actual motion, online
IEC61850 communication modules storehouse includes remote measurement ATL, remote signalling ATL, remote control ATL, quality of power supply ATL and protection mould
Plate storehouse；Running configuration storehouse is same database with the running configuration storehouse described in online test method, by foregoing on-line checking side
Method is updated；
2) in initialization procedure, the main CPU plug-in detection config update of micro-capacitance sensor locality protection control integrated apparatus
Whether mark is 1 (mark puts 1 by foregoing plug-in unit on-line checking flow when detection has update of plug-in), if config update mark
Will=1, into step 3), otherwise exit this method；
3) by plug-in unit 1 ... ..n telemetry intelligence (TELINT) storehouse content in running configuration storehouse and the online remote measurement storehouse entry 1 ... of device
..n information is compared, if inconsistent, into step 4), otherwise into step 5)；Wherein n is the plug-in unit of actual disposition
Number；
4) by the online remote measurement storehouse of the telemetry intelligence (TELINT) storehouse copy content of plug-in unit 1 ... ..n in running configuration storehouse to main CPU plug-in
Corresponding entry, completes online remote measurement storehouse and updates, and puts remote measurement storehouse and updates mark=1, and preserves all renewal plug-in unit numberings, into step
It is rapid 5)；
5) by plug-in unit 1 ... ..n remote signalling information bank content in running configuration storehouse and the online remote signalling storehouse entry 1 ... of device
..n information is compared, if inconsistent, into step 6), otherwise into step 7)；
6) by the online remote signalling storehouse of the remote signalling information bank copy content of plug-in unit 1 ... ..n in running configuration storehouse to main CPU plug-in
Corresponding entry, completes online remote signalling storehouse and updates, and puts remote signalling storehouse and updates mark=1, and preserves all renewal plug-in unit numberings, into step
It is rapid 7)；
7) by plug-in unit 1 ... ..n remote information storehouse content in running configuration storehouse and the online remote control storehouse entry 1 ... of device
..n information is compared, if inconsistent, into step 8), otherwise into step 9)；
8) by the online remote control storehouse of the remote information storehouse copy content of plug-in unit 1 ... ..n in running configuration storehouse to main CPU plug-in
Corresponding entry, completes online remote control storehouse and updates, and puts remote control storehouse and updates mark=1, and preserves all renewal plug-in unit numberings, into step
It is rapid 9)；
9) by plug-in unit 1 ... ..n protection information storehouse content in running configuration storehouse and the online protection information storehouse entry of device
1 ... ..n information is compared, if inconsistent, into step 10), otherwise into step 11)；
10) by the online protection of the protection information storehouse copy content of plug-in unit 1 ... ..n in running configuration storehouse to main CPU plug-in
Information bank corresponding entry, completes online protection information storehouse and updates, and puts protection information storehouse and updates mark=1, and preserves all renewals
Plug-in unit is numbered, into step 11)；
11) by plug-in unit 1 ... ..n quality of power supply storehouse content in running configuration storehouse and the online quality of power supply storehouse entry of device
1 ... ..n information is compared, if inconsistent, into step 12), otherwise into step 13)；
12) by the online electric energy of the quality of power supply storehouse copy content of plug-in unit 1 ... ..n in running configuration storehouse to main CPU plug-in
Quality storehouse corresponding entry, completes online quality of power supply storehouse and updates, and puts quality of power supply storehouse and updates mark=1, and preserves all renewals
Plug-in unit is numbered, into step 13)；
13) detection remote measurement storehouse updates whether mark is 1, if mark=1 is updated, into step 14), otherwise into step
15)；
14) numbered according to the renewal plug-in unit of preservation, by the IEC61850 remote measurement ATLs of running configuration storehouse correspondence plug-in unit
Hold the online IEC61850 remote measurements ATL for copying main CPU plug-in to, complete online IEC61850 remote measurements template renewal, it is all to insert
Part is completed after updating, and is put remote measurement storehouse and is updated mark=0, into step 15)；
15) detection remote signalling storehouse updates whether mark is 1, if mark=1 is updated, into step 16), otherwise into step
17)；
16) numbered according to the renewal plug-in unit of preservation, by the IEC61850 remote signalling ATLs of running configuration storehouse correspondence plug-in unit
Hold the online IEC61850 remote signalling ATL for copying main CPU plug-in to, complete online IEC61850 remote signalling ATL and update, own
Plug-in unit is completed after updating, and is put remote signalling storehouse and is updated mark=0, into step 17)；
17) detection remote control storehouse updates whether mark is 1, if mark=1 is updated, into step 18), otherwise into step
19)；
18) numbered according to the renewal plug-in unit of preservation, by the IEC61850 remote control ATLs of running configuration storehouse correspondence plug-in unit
Hold the online IEC61850 remote controls ATL for copying main CPU plug-in to, complete online IEC61850 remote controls ATL and update, own
Plug-in unit is completed after updating, and is put remote control storehouse and is updated mark=0, into step 19)；
19) detection quality of power supply storehouse updates whether mark is 1, if mark=1 is updated, into step 20), otherwise enter
Step 21)；
20) numbered according to the renewal plug-in unit of preservation, by the IEC61850 quality of power supply templates of running configuration storehouse correspondence plug-in unit
Storehouse copy content completes online IEC61850 qualities of power supply mould to the online IEC61850 qualities of power supply ATL of main CPU plug-in
Plate storehouse is updated, and all plug-in units are completed after updating, and is put quality of power supply storehouse and is updated mark=0, into step 21)；
21) detection protection information storehouse updates whether mark is 1, if mark=1 is updated, into step 22), otherwise enter
Step 23)；
22) numbered according to the renewal plug-in unit of preservation, the IEC61850 of running configuration storehouse correspondence plug-in unit is protected in ATL
Hold the online IEC61850 protection ATLs for copying main CPU plug-in to, complete online IEC61850 protections ATL and update, own
Plug-in unit is completed after updating, and is put protection information storehouse and is updated mark=0, into step 23)；
23) config update mark=0 is put, this intelligent allocation is completed.
Although the present invention is disclosed as above with preferred embodiment, embodiment is not for limiting the present invention's.Not
In the spirit and scope for departing from the present invention, any equivalence changes done or retouching also belong to the protection domain of the present invention.Cause
The content that this protection scope of the present invention should be defined using claims hereof is standard.
Claims (1)
1. the protection priority dynamically distributes and seamless handover method of a kind of micro-capacitance sensor locality protection control integrated apparatus, it is special
Levy and be, comprise the following steps：
1) when micro-capacitance sensor locality protection control integrated apparatus initialization, RAM areas dynamically distributes R1 in its main CPU plug-in,
Tri- pieces of memory blocks of R2, R3；
Above-mentioned R1 memory blocks are sampled value memory block, store the sampled data of two cycles of every circuit；
Above-mentioned R2 memory blocks are internal memory indexed table memory block, and content includes the circuit number of every circuit, sampled value memory block
First address pointer and current memory address pointer offset amount, the sampled value memory block first address pointer point to R1 memory blocks correspondence
Position, initialization is completed when upper electric；
Above-mentioned R3 memory blocks are preferential line information memory block, and content includes the circuit number of excellent precalculated 2 circuits, 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 points to R1 memory blocks correspondence position；
2) order 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 for 312.5us Sampling interrupts, the synchronized sampling for completing all circuits in micro-capacitance sensor region, and will sampling
Data are stored in sampling buffer；
The interruption 2 is that 1ms priority protections are interrupted, and the protection for completing busbar voltage and 2 preferential circuits is calculated and protected
Logic judgment；
The interruption 3 is that 20ms protects interruption, and protection calculating and relay protective scheme for completing all circuits in micro-capacitance sensor region are sentenced
It is disconnected；
Described to interrupt 4 be that 50ms observing and controlling is interrupted, for completing the remote measurement logics of all circuits in micro-capacitance sensor region, remote control logic, same
Phase logic, the auxiliary information of quality of power supply logical sum timing processing logic；
3) interrupting in 2, completing the calculating of bus A, B, C three-phase voltage value first and low frequency, low pressure, overfrequency, overvoltage protection are patrolled
The judgement collected；Then the numbering of 2 preferential circuits in R3 memory blocks is detected, if numbering is 0, no faulty line is represented, in
It is disconnected to return；Otherwise step 4 is entered)；
4) pointer points to the preferential information of circuit 1 in R3 memory blocks, according to the sampled data memory block of circuit 1 and operating time of protection meter
Number scaled value, the protection calculating and relay protective scheme for preferentially entering row line 1 judges；Into step 5)；
5) pin points to the preferential information of circuit 2 in R3 memory blocks, is counted according to the sampled data memory block of circuit 2 and operating time of protection
Scaled value, preferentially enter row line 2 protection calculating and relay protective scheme judge, after the completion of interrupt return；
6) interrupting in 3, first according to the index information of the circuit of R2 memory blocks every and the sampled value of R1 memory blocks, completing circuit
The calculating of A, B, C three-phase electricity flow valuve and the judgement of relay protective scheme, in calculating process, if it is big to detect certain line electricity flow
When threshold is started, the line start mark is put；After the completion of all routine calculations, into step 7)；
7) line start mark is checked whether there is, if so, into step 8), otherwise, interrupt and return；
8) whether consistent with the circuit number of preferential circuit in R3 memory blocks the startup circuit number is retrieved, if it is inconsistent,
Judgement has new line to break down, into step 9), otherwise interrupt and return；
9) operating time of protection is calculated according to below equation and counts scaled value：
MConversion=(TDefinite value-MStart*20)
Wherein TDefinite valueIt is to adjust definite value (unit ms), M in the operating time of protection time limitStartStart to be protected in being interrupted in 20ms protections
Count value, 20 be conversion coefficient, the M obtained by calculatingConversionAs operating time of protection counts scaled value；
10) by the circuit number of the circuit, sampled data memory block first address pointer, present sample address data memory pointer and
Step 9) the middle operating time of protection counting scaled value deposit R3 memory blocks correspondence position calculated；Memory pointer is seamlessly switched to
The faulty line, then interrupt in 2 next, preferentially complete protection calculating and the relay protective scheme of the faulty line, realize protection
The dynamically distributes of priority.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 Division CN104333129B (en) | 2014-09-04 | 2014-09-04 | A kind of micro-capacitance sensor locality protection controls the intelligent allocation method of integrated apparatus |
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| 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 |
| CN201710116724.6A Expired - Fee Related 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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| 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 |
| CN112557714A (en) * | 2020-12-10 | 2021-03-26 | 宁波迦南智能电气股份有限公司 | Multi-core modular intelligent electric energy meter |
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| US20060200634A1 (en) * | 2005-03-03 | 2006-09-07 | Fujitsu Limited | Data storage system and data storage control apparatus |
| CN203104120U (en) * | 2013-02-27 | 2013-07-31 | 国电南瑞科技股份有限公司 | Integrated intelligent phase selection, measurement and control device |
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| US8487634B2 (en) * | 2008-09-25 | 2013-07-16 | Enmetric Systems, Inc. | Smart electrical wire-devices and premises power management system |
| 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 |
| CN102290865A (en) * | 2011-08-22 | 2011-12-21 | 国电南瑞科技股份有限公司 | Integrated intelligent unit of intelligent substation |
| 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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| US20060200634A1 (en) * | 2005-03-03 | 2006-09-07 | Fujitsu Limited | Data storage system and data storage control apparatus |
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| CN106685090B (en) | 2019-06-25 |
| CN104333129B (en) | 2017-04-05 |
| CN106685090A (en) | 2017-05-17 |
| CN107069677B (en) | 2019-03-08 |
| CN104333129A (en) | 2015-02-04 |
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