Summary of the invention
The objective of the invention is in order to overcome the deficiency of prior art, a kind of relay protector that is used for electrical network single tube reason system of adjusting is provided, it can effectively improve the speed of adjusting and calculating.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of relay protector that is used for electrical network single tube reason system of adjusting, comprise database server and plurality of client terminal, and said database server comprises data processing module; Said database server outside electric power network dispatching center database; Said client terminal connects said database server; On the said client terminal application service module is set; Said application service module from said grid dispatching center data base call data, carries out the protection constant value calculation to relay protector through said database server, and generates the list of adjusting.
Further, said application service module is made up of the calculation of fault submodule and the calculating sub module of adjusting; On the said calculation of fault submodule independent failure computing unit, network equivalent impedance computing unit and auxiliary computational unit are set; Be provided with on the said calculating sub module of adjusting: adjust computing unit and element protection of route protection adjusted and calculated computing unit and adjust single generation unit.
Further again, on the said calculation of fault submodule method of operation administrative unit is set also.。
Further, on the said client terminal system management module is set also; User authority management submodule and equipment control submodule are set on the said system management module; On the said data processing module safety certification unit is set.
Further again, protection configuration management element and data maintenance unit also are set on the said data processing module; Protection configuration parameter library management unit, device parameter library management unit and the single tube of adjusting reason unit are set on the said equipment control submodule.
Further, pattern process module also is set on the said data processing module.
Adopted the adjust technical scheme of single tube reason system of a kind of relay protector that is used for electrical network of the present invention; Be a kind of will being used for being used for the calculating of adjusting, and generate single application service module of adjusting and place the adjust technical scheme of single tube reason system of relay protector in the client terminal.Its technique effect is: phase mutual interference and the delay that can avoid different client terminals on said database server, to adjust simultaneously and take place when calculating, improve the rate calculated of adjusting, and protected the safety of electrical network.
Embodiment
See also Fig. 1, of the present invention in order to understand technical scheme of the present invention better, pass through embodiment particularly below, and combine accompanying drawing at length to explain:
A kind of relay protector that is used for electrical network of the present invention single tube reason system of adjusting comprises database server 100 and plurality of client terminal 200, and said database server 100 and client terminal 200 are connected through data line.Said database server 100 outside electric power network dispatching center databases 10, the database 10 of said grid dispatching center is adjusted to calculate the data support is provided for a kind of relay protector that is used for electrical network of the present invention single tube reason system of adjusting.Said grid dispatching center database 10 is divided into MDL, protection configuration parameter storehouse and device parameter storehouse.Said client terminal 200 configure browser.Wherein, said MDL is used to deposit the list of adjusting, and grid dispatching center is according to the list of adjusting that leaves in the said MDL, and the protection definite value of the relay protector on the electrical network is provided with and optimizes.
Said database server 100; Some communication interfaces are set on the said database server; These communication interfaces are used for connecting said client terminal 200; These communication interfaces are redundant configuration, so that said client terminal 200 is changed communication interface when the said communication interface of its use is damaged.Safety certification unit 11, protection configuring maintenance unit 12, data maintenance unit 13 and GPU 14 are set on the said data processing module.Between said safety certification unit 11, said protection configuration management element 12, said data maintenance unit 13 and the said GPU 14 data-interface is set, makes said safety certification submodule 11, said protection configuration management element 12, said data maintenance unit 13 and said GPU 14 can carry out data call each other.
The effect of said safety certification unit 11 is: through to using said client terminal 200 to adjust to calculate and the staff of the operation of adjusting carries out the authentication of identity and authority; Prevent that the disabled user from passing through said database server 100; Visit said grid dispatching center database 10 and transfer the calculating of adjusting of the protection configuration parameter of said electrical network, electrical network component parameter, operation of power networks parameter, electrical network components and parts figure; Prevent that the disabled user is to the said MDL of single typing of adjusting of adjusting list or not authorizing through the authorization personnel with mistake; Prevent that grid dispatching center from setting up the protection definite value of online relay protector surely according to adjusting of mistake, to guarantee the safety of whole electrical network.Said safety certification unit 11 normally realizes through house dog.
The effect of said protection configuring maintenance unit 12 is: the data in the said protection configuration parameter storehouse are monitored, and when the data in said protection configuration parameter storehouse are distorted by the disabled user, give the alarm.An other effect of said protection configuring maintenance unit 12 is: the data in the said protection configuration parameter storehouse are carried out timed backup, are stored in the storer that is built in said database server 100.These Backup Datas will be preserved more than 1 year usually.On the one hand, when said grid dispatching center database 100 faults, through said safety certification unit 11 and said protection configuring maintenance unit 12, said client terminal 200 can call data from said database server 100 ground storeies.In addition on the one hand, also can carry out data to said protection configuration parameter storehouse recovers.
The effect of said data maintenance unit 13 is: the data in the said device parameter storehouse are monitored, and when the data in said device parameter storehouse are distorted by the disabled user, give the alarm.An other effect of said data maintenance unit 13 is: the data in the said device parameter storehouse are carried out timed backup, are stored in the storer that is built in said database server 100.These Backup Datas will be preserved more than 1 year usually.On the one hand, when said grid dispatching center database 100 faults, through said safety certification unit 11 and said data maintenance unit 13, said client terminal 200 can call data from said database server 100 ground storeies.In addition on the one hand, also can carry out data to said device parameter storehouse recovers.
The said configuring maintenance unit 12 that protects backed up once with said data maintenance unit in common one day.
The effect of said graphics process submodule 14 is: with the data in said protection configuration parameter storehouse and the said device parameter storehouse; Transforming into adjusts calculates required electrical network components and parts figure; Through the said communication interface on the said database server 100; Be delivered on the said client terminal 200, said electrical network components and parts figure is presented on the browser of said client terminal 200.
Said client terminal 200 built-in application service modules 2 and system management module 3.Said application service module 2 is adjust cores of single tube reason system of a kind of relay protector of the present invention, and the effect of said application service module 2 is through calculatings of adjusting, the generation list of adjusting.The power supply network dispatching center is according to adjusting list, to the setting of the relay protector value of protection on the electrical network.
Because said application service module 2 is arranged in the said client terminal 200, said adjust to calculate said client terminal 200 in accomplish, therefore a kind of relay protector that is used for electrical network of the present invention structure that single tube manages system of adjusting is the C/S structure.The purpose of design is like this: when 200 pairs of said database servers 100 of a plurality of said client terminals were operated, said client terminal 200 was after fetching data through said database server 100 rises, the calculating of on said client terminal 200, adjusting.Phase mutual interference and the delay that can avoid different client terminals 200 on said database server 100, to adjust simultaneously and take place when calculating like this improve the rate calculated of adjusting, and have protected the safety of electrical network.
Said application service module 200 is divided into two big submodules; The calculation of fault submodule 21 and the calculating sub module 22 of adjusting.
Said calculation of fault submodule 21 and said adjusting are provided with interface between the calculating sub module 22, can carry out calling each other of data.
The effect of said calculation of fault submodule 21 is: calculate fault current, short-circuit current, the braning factor and help of electrical network under the big or small method of operation and increase setting parameters such as coefficient.Said calculation of fault submodule 21 is divided into independent failure computing unit 211, network equivalent impedance computing unit 212 and auxiliary computational unit 213 and method of operation administrative unit 214.Said method of operation administrative unit 214 stores the various operational factors of electrical network under the big or small method of operation through ROM (read-only memory), calls when carrying out fault current and calculation of short-circuit current in order to said calculation of fault submodule said 21.Said operational factor administrative unit 214 is arranged at helps accelerating adjusting single speed that generates in the said client terminal 200, the safe operation of protection electrical network.Through the ROM (read-only memory) storage, prevented the possibility that the various operational factors of said electrical network under the big or small method of operation are distorted by the various operational factors of electrical network under the big or small method of operation.
The said independent failure computing unit 211 of said calculation of fault submodule 21, said network equivalent impedance computing unit 212, said auxiliary computational unit 213 and said method of operation administrative unit 214; Data-interface all is set between any two, can carries out calling each other of data.
Said independent failure computing unit 211 is through calling the data in said protection configuration parameter storehouse, device parameter storehouse, the said ROM (read-only memory); And the electrical network components and parts figure of said pattern process module 14 generations; Calculate electrical network under the big or small method of operation, the fault current when single components and parts break down in the electrical network.These equipment comprise: transformer, voltage transformer (VT), electric power mutual-inductor and capacitor etc.Said network equivalent impedance computing unit 212 is through calling the data in said protection configuration parameter storehouse, device parameter storehouse, the said ROM (read-only memory); And the electrical network components and parts figure of said pattern process module 14 generations; Calculate electrical network under the big or small method of operation, the short-circuit current when electrical network generation line to line fault or three-phase shortcircuit.
Said auxiliary computational unit 213 through calling the data in said protection configuration parameter storehouse, device parameter storehouse, the said ROM (read-only memory), is calculated the braning factor of electrical network under the big or small method of operation, is helped setting parameters such as increasing coefficient.
The said calculating sub module 22 of adjusting is the key submodules in the said application service module 2.The said calculating sub module 22 of adjusting comprises: adjust computing unit 221 of route protection is adjusted with element protection and is calculated computing unit 222 and adjust single generation unit 223.The result of calculation of said calculation of fault submodule 21 all is stored in the first memory of said client terminal 22.Said element protection adjust computing unit 222 according to electrical network under the big or small method of operation, the fault current when single components and parts break down in the electrical network and the braning factor of electrical network and help and increase coefficient calculate the element protection definite value of relay protector on the electrical network.Said route protection adjust computing unit 221 according to electrical network under the big or small method of operation, the short-circuit current when electrical network generation line to line fault or three-phase shortcircuit and the braning factor of electrical network and help and increase coefficient calculate the route protection definite value of relay protector on the electrical network.
Said effect of adjusting single generation unit 213 is through the statement analysis to the route protection definite value of the route protection definite value of relay protector and relay protector, generates the list of adjusting that the protection definite value of carrying out relay protector on the electrical network in the power supply network dispatching center is set.
In the present embodiment, said route protection computing unit 221 and the element protection computing unit 222 of adjusting of adjusting all is provided with data-interface between any two with single generation unit 223 of adjusting, and can carry out calling each other of data.
In the present embodiment, also being provided with between said Application service element 2 and the said System Management Unit 3 is data-interface, can carry out calling each other of data between them.
Said system management module 3 is divided into user authority management submodule 31 and equipment control submodule 32; Between said user authority management submodule 31 and the said equipment control submodule 32 data-interface is set; Can carry out calling each other of data; The effect of said user authority management submodule 31 is the secure authenticated information of said safety certification unit 11 is carried out typing and setting, makes that said client terminal 200 users have the calculating of adjusting, the different rights such as single typing and single authorization of adjusting of adjusting.Said adjust singly accomplished on through said database server 100 in the transmission between each said client terminal 200.
Said equipment control submodule 32 is divided into protection configuration parameter library management unit 321, device parameter library management unit 322 and the single tube of adjusting reason unit 323.The staff who adjusts and calculate; On the client terminal 200 of oneself; Accomplish the route protection definite value of relay protector and the route protection constant value calculation of relay protector; And through said single generation unit 223 of adjusting, after generation is adjusted singly, through said database server 100; Circulating to has authorization authority staff's client terminal 200, and the route protection definite value of the route protection definite value of said relay protector, said relay protector and said adjusting singly are presented on the browser of this client terminal 200 with authorization authority staff.After this staff authorizes the route protection definite value of said relay protector, carry out Electronic Signature through the route protection definite value of the 321 pairs of said relay protectors in configuration parameter library management unit, and it is encrypted through the Huffman algorithm; After authorizing the element protection definite value of said relay protector, carry out Electronic Signature through the element protection definite value of the 322 pairs of said relay protectors in said device parameter library management unit, and it is encrypted through the Huffman algorithm; After authorizing the list of adjusting,, said adjusting singly carried out Electronic Signature, and said adjusting singly encrypted through the Huffman algorithm through the said single tube reason unit 323 of adjusting.Like this anyone all can not be to the element protection of the route protection definite value of said relay protector, said relay protector fixed and said adjusting singly distort.The route protection definite value of the said relay protector of process authorization, the element protection definite value and the said single-pass of adjusting of said relay protector are crossed said database server 100; Be delivered on the client terminal 200 with typing authority staff, and be presented on the browser of this client terminal 200.This user is respectively through said protection configuration parameter library management unit 321, said device parameter library management unit 322 and said element protection definite value and said adjust single typing said protection configuration parameter storehouse, said device parameter storehouse and the said MDL of single tube reason unit 323 with the route protection definite value of said relay protector, said relay protector of adjusting.
If the element protection definite value of the route protection definite value of said relay protector, said relay protector and the said Dan Wei that adjusts are through authorization; Then through said database server 100; The staff's that returning adjusts calculates client terminal 200, the calculating of adjusting again.
What therefore, a kind of relay protector that is used for electrical network of the present invention was adjusted the employing of single tube reason system is the B/S pattern.Its technique effect is: the flow process that the single current of accelerating to adjust changes, practice thrift the hardware resource of said client terminal 200, single speed that generates of accelerating to adjust, the safe operation of protection electrical network.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.