A kind of relay protection configuration method and relay protection system
Technical field
The present invention relates to technical field of relay protection, and in particular to a kind of relay protection configuration method and relay protection system
System.
Background technology
Relay protection mainly uses force device in power system to be short-circuited or electrical quantity (electricity during abnormal conditions
Stream, voltage, power, frequency etc.) and a large amount of gas for supervening during other physical quantity, such as oil tank of transformer internal fault and
The increase of oil flow rate degree or increasing for oil pressure intensity, force device (such as generator, circuit) or electric power in power system
When system there occurs that failure jeopardizes safe operation of power system in itself, sent warning signal in time to operator, or
Directly send trip signal to terminate the further development of these events to the breaker for being controlled.
In order to ensure safe operation of electric network, protective relaying device must technically meet selectivity, quick-action, sensitivity
With four basic demands of reliability.For this protective relaying device is generally provided with main protection and back-up protection.Wherein main protection
Refer to can be on request velocity removal protection element in the range of certain short trouble relay protection;Back-up protection refers to as master
The relay protection shielded when protection or breaker miss operation, this undoubtedly provides dual fail-safe to relay protection.But it is existing
There is the protective relaying device in technology, especially large-scale relay protection system, the master of each force device in its power system
Protection and back-up protection are controlled by with 1 piece of CPU board card, once the CPU board card breaks down, it will in making power system
The corresponding force device of CPU board card loses main protection and back-up protection simultaneously, causes relay protection to be failed.
The content of the invention
Therefore, the embodiment of the present invention technical problem to be solved is to overcome relay protection scheme of the prior art not conform to
Reason, when CPU board card breaks down, is easily caused the CPU board card corresponding certain or multiple power system component relay protection and loses
Effect.
Therefore, the embodiment of the invention provides following technical scheme:
A kind of relay protection configuration method is the embodiment of the invention provides, including:Main guarantor is carried out according to protected object
The arithmetic speed of protection algorism and CPU board card required for shield and back-up protection determines the quantity of CPU board card;According to each institute
The complexity of the protection algorism required for stating protected object, it would be desirable to which all described protection algorism of execution is assigned to each
In CPU board card, and the main protection and back-up protection of each protected object is set to be respectively placed in different CPU board cards;
Two process chips are configured in each described CPU board card, the relay that one of process chip is processed in the protection algorism is protected
Shield starting algorithm, the corresponding relay protection action algorithm of another process chip treatment relay protection starting algorithm;Configuration
Plate is arbitrated to receive and the result of calculation of all protection algorisms is processed, is obtained to quilt each described according to the result of calculation
Protection object carries out the final outlet information of main protection or back-up protection.
Alternatively, the relay protection configuration method described in the embodiment of the present invention, described two process chip independent parallel fortune
OK.
Alternatively, the relay protection configuration method described in the embodiment of the present invention, also includes:If the quantity of the CPU board card
During more than or equal to 2, CPU board card described in parallel deployment is so that each described CPU board card independent parallel operation.
Alternatively, the relay protection configuration method described in the embodiment of the present invention, also includes:It is quick to the arbitration plate configuration
Export and export at a slow speed, make the transmission speed of the quick outlet output information higher than the transmission for exporting output information at a slow speed
Speed;Be divided into the final outlet information through the quick outlet according to the characteristic of the protected object by the arbitration plate
The quick outlet information of output and the outlet information at a slow speed that outlet is exported at a slow speed described in.
Alternatively, the relay protection configuration method described in the embodiment of the present invention, also includes:The bus of parallel deployment first and
Two lines bus, first bus is consistent with the second bus transfer content, for transmitting the guarantor to CPU board card each described
Data needed for shield algorithm, and export the result of calculation of the protection algorism to the arbitration plate.
The embodiment of the present invention additionally provides a kind of relay protection system, including:CPU board card, the quantity root of the CPU board card
Arithmetic speed according to the protection algorism required for carrying out main protection and back-up protection to protected object and CPU board card determines;
And the complexity of the protection algorism according to required for each described protected object, it would be desirable to which all described protection of execution is calculated
Method is assigned in each CPU board card, the main protection and back-up protection of each protected object is respectively placed in different CPU
In board;And the first process chip and second processing chip are configured with the CPU board card;First process chip, is used for
Process the relay protection starting algorithm in the protection algorism;The second processing chip, opens for processing the relay protection
Move the corresponding relay protection action algorithm of algorithm;Arbitration plate, for receiving and processes the result of calculation of all protection algorisms,
Being obtained according to the result of calculation carries out the final outlet information of main protection or back-up protection to protected object each described.
Alternatively, the relay protection system described in the embodiment of the present invention, if the quantity of CPU board card is more than or equal to 2, and
Row configuration CPU board card is so that each CPU board card independent parallel runs.
Alternatively, the relay protection system described in the embodiment of the present invention, the arbitration plate is configured with quick outlet and at a slow speed
Outlet, the transmission speed of the quick outlet output information is higher than the transmission speed for exporting output information at a slow speed;It is described secondary
Plate is cut out the final outlet information is divided into through the quick of the quick outlet output according to the characteristic of the protected object
Outlet information and the outlet information at a slow speed that outlet is exported at a slow speed described in.
Alternatively, the relay protection system described in the embodiment of the present invention, also includes:First bus and the second bus;It is described
First bus is configured with second bus parallel and transferring content is consistent, for transmitting the guarantor to CPU board card each described
Data needed for shield algorithm, and export the result of calculation of the protection algorism to the arbitration plate.
Embodiment of the present invention technical scheme, has the following advantages that:
The embodiment of the invention provides a kind of relay protection configuration method, by by the main protection of each protected object and
Back-up protection is respectively arranged in different CPU board cards, while relay protection scheme flexibility is improved, because each is protected
The main protection and back-up protection for protecting object are arranged respectively in different CPU board cards, even if any one CPU board card occurs event
Barrier, its corresponding protected object also can only lose the one kind in main protection or back-up protection, without losing whole guarantors
Shield, makes the main protection of each protected object and back-up protection independent again standby each other mutually, significantly reduces relay fail
Possibility, and then improve the reliability of protection device.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a flow chart for instantiation of relay protection configuration method in the embodiment of the present invention 1;
Fig. 2 is a structured flowchart for instantiation of relay protection system in the embodiment of the present invention 2.
Reference:
1-CPU boards;2- arbitrates plate;The buses of 3- first;The buses of 4- second;The signal processing chips of 11- first;12- second
Signal processing chip.
Specific embodiment
The technical scheme of the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment be a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to present invention protection
Scope.
, it is necessary to explanation in the description of the embodiment of the present invention, term " " center ", " on ", D score, "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description embodiment of the present invention and simplifies description, must has rather than the device or element for indicating or imply meaning
Have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in the description of the embodiment of the present invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection;Can mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Two connections of element internal are can also be, can be wireless connection, or wired connection.For the common skill of this area
For art personnel, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
As long as additionally, technical characteristic involved in invention described below different embodiments non-structure each other
Can just be combined with each other into conflict.
Embodiment 1
At present, 1 piece of CPU board card or the not independent CPU board card of 2 pieces of functions are generally only configured in protective relaying device, is led
Cause the function of protective relaying device more single, need that the problem of many set protection devices is installed for large-scale protection system, in order to
Large-scale power electronic installation is adapted to, the embodiment of the present invention proposes a kind of relaying configuration method of multi -CPU board parallel computation, can
Realize the configuration of multi-protective function, the protection device of the various simple functions of replacement, and the large-scale relay protection system of simplification.
The relay protection configuration method that the present embodiment is provided, as shown in figure 1, including:
S1. according to the protection algorism required for carrying out main protection and back-up protection to protected object and CPU board card
Arithmetic speed determines the quantity of CPU board card.Specifically, protected object can include the various force devices in power system,
Such as generator, circuit (such as bus, short leg), transformer, converter valve, reactor.In general protected object is more,
Need data to be processed more when performing protection algorism, greater number of CPU board card is needed naturally;And the computing of CPU board card
Speed is faster, and the usage amount of board can be more reduced naturally.Therefore main protection and standby can be carried out according to protected object
The operand of protection algorism and the arithmetic speed of CPU board card required for protection rationally determine the quantity of required CPU board card.
S2. the complexity of the protection algorism according to required for each protected object, it would be desirable to which all protections of execution are calculated
Method is assigned in each CPU board card, and the main protection of each protected object and back-up protection is respectively placed in different CPU boards
In card.Specifically, homeostatic principle can be based on, the operand handled by the close CPU board card of each arithmetic speed is close.
If protection algorism complexity that such as can be required for protected object is relatively low, can be with the master of the several protected objects of overabsorption
Protection or back-up protection, if the protection algorism complexity required for protected object is very high, have in same CPU board card
A possible CPU board card only distributes the main protection or back-up protection of protected object, as long as ensuring that each is protected right
The main protection and back-up protection of elephant are respectively placed in different CPU board cards.
S3. two process chips are configured in each CPU board card, in one of process chip treatment protection algorism after
Electric protection starting algorithm, the corresponding relay protection action algorithm of another process chip treatment relay protection starting algorithm.Specifically
Ground, the protection algorism required for main protection and back-up protection is comprising relay protection starting algorithm and the relay protection starting algorithm
Corresponding relay protection acts algorithm, and the result of calculation of wherein relay protection starting algorithm is sent to can be straight while arbitrating plate
Connect and act on starting relay, after the result of calculation of relay protection action algorithm is sent to arbitration plate, it is impossible to directly act on out
Mouth relay through arbitrating after plate logical operation is converted to final outlet information, it is necessary to can just act on exit relay.Namely after
The condition that electric protection starts is easier to meet, and relay protection starts and is also possible to open when protected object normally runs, such as
Voltage, current fluctuation etc. can all cause relay protection to start unlatching, but outlet information, breaker will not be produced not to trip;And
The condition of relay protection action is then relatively strict, it is necessary to arbitrate the further logic judgment of plate, meets after action logic condition (such as
Force device breaks down) can just produce outlet information to control circuit breaker trip.Set at two by each CPU board card
Chip is managed to process relay protection starting algorithm and the corresponding relay protection algorithm of relay protection starting algorithm, Neng Goujin respectively
One step accelerates data processing speed.The further sensitivity of lifting relay protection startup and relay protection action reflection.
S4. configuration arbitrates plate to receive and processes the result of calculation of all protection algorisms, is obtained to each according to result of calculation
Individual protected object carries out the final outlet information of main protection or back-up protection.Specifically, arbitration plate can be to all protections
The result of calculation of algorithm carries out logical operation again, so as to obtain final outlet information, realizes to the various result of calculations of CPU board card
Collect and arbitrate, save the expense of CPU board card, be also easier to the connection with other devices.
Relay protection configuration method in the present embodiment, because the main protection and back-up protection of each protected object are divided
It is not placed in different CPU board cards, even if any one CPU board card breaks down, its corresponding protected object also can only lose
One kind gone in main protection or back-up protection, without losing whole protections, so that the main guarantor of each protected object
Shield and back-up protection are independent again standby each other mutually, significantly reduce the possibility of relay fail, and then improve relay guarantor
The reliability of shield.
As a kind of optional implementation method, the relay protection configuration method in the present embodiment, two process chip independences
Parallel running.Specifically, two process chip independent parallel operations, can make relay protection startup and relay protection action respective
Independent operating, the further sensitivity of lifting relay protection startup and relay protection action reflection.
Used as a kind of optional implementation method, the relay protection configuration method in the present embodiment also includes:
S5. if the quantity of CPU board card is more than or equal to 2, parallel deployment CPU board card is so that each CPU board card is independent simultaneously
Row operation.Specifically, by parallel separate configurations CPU board card, can run each CPU board card independent parallel, it is whole being lifted
While volume data operation efficiency, the mutual influence of CPU board card is it also avoid.
Used as a kind of optional implementation method, the relay protection configuration method in the present embodiment also includes:
S6. quickly exported to the configuration of arbitration plate and exported at a slow speed, make quickly to export the transmission speed of output information higher than slow
The transmission speed of speed outlet output information;Be divided into final outlet information through quick according to the characteristic of protected object by arbitration plate
Export the quick outlet information and the outlet information at a slow speed through exporting output at a slow speed of output.Specifically, the quick outlet of plate is arbitrated
Quick outlet information can be issued to by action object by optical fiber, outlet can will at a slow speed by digital quantity processing unit at a slow speed
Outlet information is issued to action object.And extent of injury when plate can break down according to protected object is arbitrated to its correspondence
Final outlet information divided, the big outlet information of the extent of injury be quick outlet information, the extent of injury it is small go out message
Cease for outlet information at a slow speed.Quick outlet information is exported by quick outlet, it is ensured that excellent during important protected object failure
First cut off.
Used as a kind of optional implementation method, the relay protection configuration method in the present embodiment also includes:
S7. the bus of parallel deployment first and the second bus, the first bus are consistent with the second bus transfer content, for each
Data needed for individual CPU board card transmission protection algorism, and output protection algorithm result of calculation to arbitrating plate.Specifically, pass through
And to configuration Content of Communication consistent the first bus and the second bus, when the first bus communication is abnormal, the second bus still may be used
To complete the input of data needed for protection algorism and the output of protection algorism result of calculation, if two communication bus occur it is different
When normal open is believed, bus data when can also communicate normal using the last time can be such that CPU board card gets as far as possible and most connect
The data of nearly protected object virtual condition, improve the reliability of relay protection scheme communication, reduce relay protection tripping,
The possibility of malfunction.
Embodiment 2
A kind of relay protection system is present embodiments provided, corresponding analog acquisition can be configured according to protected object
Device accesses the sampled data of all kinds of CT, PT, and configuration digital quantity processing unit accesses intake, sends the amount of outputing, and realizes relay
The input of sampled data and the output of outlet information during protection, as shown in Fig. 2 including:
CPU board card 1, the guarantor of the quantity of CPU board card according to required for carrying out main protection and back-up protection to protected object
The arithmetic speed of shield algorithm and CPU board card determines;And the complexity of the protection algorism according to required for each protected object
Degree, it would be desirable to all protection algorisms of execution are assigned in each CPU board card 1, make each protected object main protection and after
Standby protection is respectively placed in different CPU board cards 1.
The first process chip 11 and second processing chip 12 are configured with CPU board card 1;First process chip 11, for locating
Relay protection starting algorithm in reason protection algorism;Second processing chip 12, it is corresponding for processing relay protection starting algorithm
Relay protection acts algorithm.
Arbitration plate 2, for receiving and processes the result of calculation of all protection algorisms, is obtained to each quilt according to result of calculation
Protection object carries out the final outlet information of main protection or back-up protection.
Relay protection system in the present embodiment, because the main protection and back-up protection of each protected object are put respectively
In different CPU board cards, even if any one CPU board card breaks down, its corresponding protected object also only can lose master
Protection or back-up protection in one kind, without losing whole protections so that the main protection of each protected object and
Back-up protection is independent again standby each other mutually, significantly reduces the possibility of relay fail, and then improve relay protection
Reliability.
As a kind of optional implementation method, the relay protection system in the present embodiment, the first process chip 11 and second
The independent parallel of process chip 12 runs.
As a kind of optional implementation method, the relay protection system in the present embodiment, if the quantity of CPU board card 1 is more than
Or during equal to 2, parallel deployment CPU board card 1 is so that each CPU board card independent parallel runs.
Used as a kind of optional implementation method, the relay protection system in the present embodiment, arbitration plate 2 is configured with quick outlet
Export at a slow speed, the transmission speed of quick outlet output information is higher than the transmission speed for exporting output information at a slow speed;Arbitration plate 2
Final outlet information is divided into through the quick outlet information of quick outlet output and through going out at a slow speed according to the characteristic of protected object
The outlet information at a slow speed of mouth output.
Used as a kind of optional implementation method, the relay protection system in the present embodiment also includes:First bus 3 and
Two lines bus 4;First bus 3 and the parallel deployment of the second bus 4 and transferring content is consistent, protect for being transmitted to each CPU board card 1
Data needed for algorithm, and the result of calculation of output protection algorithm extremely arbitrates plate 2.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.And, the present invention can be used and wherein include the computer of computer usable program code at one or more
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) is produced
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.