CN106532957B - Site relay protection system - Google Patents
Site relay protection system Download PDFInfo
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- CN106532957B CN106532957B CN201611181075.XA CN201611181075A CN106532957B CN 106532957 B CN106532957 B CN 106532957B CN 201611181075 A CN201611181075 A CN 201611181075A CN 106532957 B CN106532957 B CN 106532957B
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- master control
- gate array
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- 230000001681 protective effect Effects 0.000 claims abstract description 48
- 238000004891 communication Methods 0.000 claims abstract description 18
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- 239000013307 optical fiber Substances 0.000 claims description 68
- 230000003287 optical effect Effects 0.000 claims description 32
- 241000272814 Anser sp. Species 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 206010037660 Pyrexia Diseases 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000002955 isolation Methods 0.000 description 6
- 101100520026 Avena sativa PHYA4 gene Proteins 0.000 description 4
- 101150005660 PHY1 gene Proteins 0.000 description 3
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- 101100520025 Avena sativa PHYA3 gene Proteins 0.000 description 2
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- 101100520018 Ceratodon purpureus PHY2 gene Proteins 0.000 description 1
- 102000002067 Protein Subunits Human genes 0.000 description 1
- 108010001267 Protein Subunits Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/16—Electric power substations
Abstract
The invention discloses a kind of site relay protection system, technical problems to be solved are to improve the reliability of digital transformer substation.Site relay protection system of the invention; equipped with monospace protective device, across interval protective device and observing and controlling automation equipment; monospace protective device is arranged on the spot; it is arranged in the master control room of digital transformer substation across interval protective device and observing and controlling automation equipment, passes through 100,000,000 fiber optic communications between monospace protective device and master control room.Compared with prior art, the present invention monospace protective device and master control room save a large amount of cables by fiber optic communication; part fiber is saved, the system arranged on the spot terminates at installation in outdoor cabinet; facilitate wiring and wiring; the big device that generates heat is mounted on outside outdoor cabinet, and by the direct natural heat dissipation of the shell of itself, outdoor cabinet fever is reduced; no longer need air conditioner; relay protection cost is reduced, the reliability of system is improved, and facilitates O&M.
Description
Technical field
The present invention relates to a kind of electric power system protective, especially a kind of relay protection system of digital transformer substation.
Background technique
The digital transformer substation of the prior art has following two tactic pattern: 1. digital combining unit+intelligent terminals+pure
Digital protection equipment (sampled value SV and the transformer substation case Goose tripping towards general object), 2. traditional samplings merge single
Member+intelligent terminal+Pure numerical form protective device.Field application mainly uses the cabinet combination mode of master control room+on the spot, peace in master control room
Protective device is filled, with regard to installing combining unit and intelligent terminal in cabinet, master control room is similar with electric power computer room, anti-to the IP of master control room
Protect grade (INGRESS PROTECTION degree of protection system) of less demanding, general ip 20, it is desirable that be no more than 55 DEG C of works
Make environment.Outdoors with regard to cabinet setting, relatively high to its IP protection level requirements, usually IP65, can generally be equipped with air-conditioning
The protection level requirements of machine, combining unit and intelligent terminal are IP42, need to meet the working environment for being no more than 85 DEG C of high temperature.
The structure of the digital transformer substation of the prior art has the disadvantage that the conjunction being mounted on regard to cabinet in actual use
And unit, intelligent end device calorific value are big, number of fibers is more, leads to reliability decrease.
Summary of the invention
The object of the present invention is to provide a kind of site relay protection system, technical problems to be solved are to improve digitlization
The reliability of substation.
The invention adopts the following technical scheme: a kind of site relay protection system, be equipped with monospace protective device, across
Every protective device and observing and controlling automation equipment, the monospace protective device is arranged on the spot, across interval protective device and observing and controlling from
Dynamic makeup installs in the master control room of digital transformer substation, logical by 100,000,000 optical fiber between monospace protective device and master control room
Letter.
In monospace protective device of the invention, open air directly is placed on the super acquisition unit of primary equipment cable connection
In cabinet, route protection, female poor handset, combining unit and intelligent terminal are placed on outside outdoor cabinet by optical fiber.
Super acquisition unit of the invention is connected with female poor handset, B code light string, route protection, combining unit, intelligence eventually
It holds, the Current Voltage of the Current Voltage acquisition unit of route protection, the Current Voltage acquisition unit of female poor handset, combining unit is adopted
Collect the DC quantity acquisition unit of unit, intake acquisition unit, the amount of outputing acquisition unit and temperature of oil in transformer, gear；It is described super
Grade acquisition unit, the Current Voltage acquisition unit of route protection, the Current Voltage acquisition unit of female poor handset, combining unit electricity
Stream voltage acquisition unit, intake acquisition unit, the amount of outputing acquisition unit and DC quantity acquisition unit are positioned close to once set
In the standby outdoor cabinet placed；The route protection, combining unit, intelligent terminal and female poor handset are set on cabinet outer wall on the spot outdoors
It sets；The super acquisition unit is respectively through kilomega optic fiber and route protection, combining unit, intelligent terminal and female poor handset communication link
It connects；The route protection, combining unit, intelligent terminal and female poor handset through 100,000,000 optical fiber and are arranged in digital transformer substation respectively
Master control room communication connection.
Of the invention includes bus differential protection device and main transformer protection device across interval protective device.
Route protection of the invention is equipped with route protection field programmable gate array and ethernet transceiver 1, route protection
Field programmable gate array is distinguished with master control room observing and controlling automation equipment and across being spaced protective device and communicating through ethernet transceiver 1
Using MMS and Goose message, in the ethernet transceiver 1 be equipped at least two transmitting-receiving MMS messages 100,000,000 optical fiber interfaces and
At least two transmitting-receiving Goose messages 100,000,000 optical fiber interfaces, the route protection field programmable gate array be connected with two-way E1,
B code optical fiber interface 1, CPU1, CPU2 and gigabit optical module 1.
Combining unit of the invention is equipped with combining unit and keeps the scene intact programmable gate array and ethernet transceiver 2, merges
Unit field programmable gate array is communicated through 100,000,000 optical fiber across interval protective device by the point-to-point biography of sampled data with master control room
Defeated, the ethernet transceiver 2 is equipped with 1~8 100,000,000 optical fiber interface of sampled data, the combining unit field-programmable gate array
Column grade is connected with CPU3, gigabit optical module 2 and B code optical fiber interface 2.
Intelligent terminal of the invention is equipped with intelligent terminal field programmable gate array and ethernet transceiver 3, and scene can compile
Journey gate array is communicated with the observing and controlling automation equipment of master control room uses Goose message through ethernet transceiver 3, and the Ethernet is received
100,000,000 optical fiber interfaces that device 3 is equipped with 1~8 transmitting-receiving Goose message are sent out, the intelligent terminal field programmable gate array is connected with
CPU4, gigabit optical module 3 and B code optical fiber interface 3.
The poor handset of mother of the invention is equipped with female poor handset field programmable gate array and proprietary protocol module, and female difference handset is existing
Field programmable gate array is communicated by proprietary protocol with master control room, and female poor handset field programmable gate array is connected with gigabit
Optical module 5, CPU6 and B code optical fiber interface 5.
For the present invention in the digital transformer substation of 110kV or less voltage class, combining unit and intelligent terminal are integrated into conjunction
Intelligence device.
Conjunction intelligence device of the invention, which is equipped with, closes intelligence device field programmable gate array and ethernet transceiver 4, closes intelligence device
Field programmable gate array is communicated through 100,000,000 optical fiber across interval protective device by sampled data point-to-point transmission, institute with master control room
Ethernet transceiver 4 is stated equipped with 1~8 100,000,000 optical fiber interface of sampled data, closes intelligence device field programmable gate array and master control
The communication of room observing and controlling automation equipment uses Goose message through ethernet transceiver 4, and ethernet transceiver 4 is equipped with 1~8 transmitting-receiving
100,000,000 optical fiber interfaces of Goose message, the conjunction intelligence device field programmable gate array be connected with gigabit optical module 4 connect, CPU5
Place and B code optical fiber interface 4.
Compared with prior art, the present invention route protection, combining unit, intelligent terminal, female poor handset are arranged on the spot, across
It is spaced protective device and observing and controlling automation equipment is arranged in master control room, monospace protective device and master control room are logical by optical fiber
Letter, saves a large amount of cables, saves part fiber, the system arranged on the spot, terminates at installation in outdoor cabinet, facilitate wiring and
Wiring, the big device that generates heat are mounted on outside outdoor cabinet, and by the direct natural heat dissipation of the shell of itself, outdoor cabinet fever is reduced,
Air conditioner is no longer needed, relay protection cost is reduced, improves the reliability of system, and facilitates O&M.
Detailed description of the invention
Fig. 1 is the super acquisition unit structural block diagram of mutual inductor sample.
Fig. 2 is the digitlization super acquisition unit structural block diagram of mutual inductor sample.
Fig. 3 is the present invention structural block diagram that cabinet is arranged outdoors.
Fig. 4 is whole installation schematic diagram of the invention.
Fig. 5 is line protective structure block diagram of the invention.
Fig. 6 is combining unit structural block diagram of the invention.
Fig. 7 is intelligent terminal structural block diagram of the invention.
Fig. 8 is combining unit and intelligent apparatus structural block diagram of the invention.
Fig. 9 is the poor handset structural block diagram of mother of the invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the super acquisition unit of mutual inductor sample is used for digital transformer substation, using master control room+with regard to cabinet
Combination.On-site programmable gate array FPGA is equipped with regard to cabinet, FPGA is connected with gigabit optical module 1~4, B code optical fiber string
Row communication interface (B code light string) and single-chip microcontroller, FPGA are connected with the electric current of line protective devices (route protection) through filter circuit
Voltage acquisition unit CT/PT (CT/PT 1#), bus differential protection device handset (Bus Differential Protection Sub
Unit, female difference handset) Current Voltage acquisition unit CT/PT (CT/PT 2#), line segregation and main transformer high-pressure side combining unit
The Current Voltage acquisition unit CT/PT (CT/PT 3#) of (combining unit), acquisition temperature of oil in transformer, the DC quantity acquisition of gear are single
Member, FPGA, which is opened, is connected with intake acquisition unit into isolation circuit, is outputed isolation circuit and is connected with the amount of outputing acquisition unit.
Isolation circuit and debugging serial communication interface (debugging serial ports) are outputed in single-chip microcontroller connection.Gigabit optical module 1~4 is used for transmitting terminal handle
Electric signal is converted into optical signal, is transmitted to master control room by optical fiber light.
Filter circuit uses the passive RC filter circuit of two-stage, cutoff frequency 2KHz, for filtering out High-frequency Interference, protection,
The lower cutoff frequency needed is measured to be realized by FPGA and its system.
Super acquisition unit is constituted using FPGA and single-chip microcontroller, and collected analog quantity and on-off model are converted to symbol
Close the message data of kilomega optic fiber interface format.FPGA and single-chip microcontroller are connected to gigabit optical module, to route protection, female poor handset
Protection system decoupling, therefore can once configure, as long as mutual inductor connected to it, disconnecting link, breaker primary equipment do not lose
Effect, it is subsequent exempt to upgrade it is non-maintaining.Configuration management and tune of the chip microcontroller to 1A/5A mutual inductor, 110V/220V On-off signal
Examination can use the single-chip microcontroller of common ARMCortexM0 rank.
Current Transmit signal is converted into digital signal AD configuration using dual analog signal, can be improved whole reliable
Property, AD selects the AD7606 chip of U.S. ADI company, and with the sampling of 8 Channel Synchronous, single 5V power supply can simplify power supply and match
It sets.It opens into isolation circuit using light-coupled isolation, outputs isolation circuit and be isolated using relay.
Acquire the Current Transmit of exchange of information, voltage transformer pt uses analog quantity, sampling combining unit and electronics
The combining unit of formula mutual inductor is by gigabit optical module 1~4 and the indoor route protection of master control, combining unit, electric system
(intelligent terminal of intelligent terminal, Smart Terminal electric system is used for digital transformer substation to intelligent terminal, receives Goose
Message controls the division of breaker, disconnecting link), female poor handset carries out data transmission.
Main fever source with regard to cabinet is optical module, and the power consumption of every Lu Baizhao optical module is in 1W or so.To reduce power consumption,
Single-chip microcontroller+FPGA+ the optical module structure that the prior art uses directly drives optical module with FPGA, and optical module selects kilomegabit electricity
Signal is converted to the interface device SFP or Miniature optical fiber interface unit SFF of optical signal, it is least in power-consuming can arrive 0.3W hereinafter,
FPGA selects low-power consumption product, such as the MAX10 series of Alcatel altera corp of the U.S., and it is public that U.S.'s Lay enlightening thinks Lattice
The MathXO2 series of department, the IGLOO2 series of Ai Te Actel company of the U.S..Single-chip microcontroller does configuration management and debugging.By acquisition 36
Road ac analog, controls 100 tunnel input and output IO, provides 4 pairs of gigabit interfaces externally to calculate, overall power can control
4 × 0.3W=1.9W of single-chip microcontroller 0.2W+FPGA 0.5W+ optical module, it is assumed that the loss of power 80%, overall power can control
2.5W following.As optical mode number of blocks increases, every road only increases 0.3W, and fever is controllable.Assuming that pressing the prior art, then at least
Power consumption be high-performance CPU 2.5W+FPGA1.5W+ network interface card PHY 1W+ ethernet physical layer chip (Physical Layer) 4 ×
0.5W=8W, the loss of power 80%, Overall Power Consumption 10W or more.And as optical mode number of blocks increases, power consumption be increased dramatically.
As it can be seen that deficiency existing for prior art construction is that power consumption is big, reliability is low, and need a large amount of optical cables, cable into
Enter master control room.
As shown in Fig. 2, the super acquisition unit of digitlization mutual inductor sample, acquires the electric current of the route protection of exchange of information
Voltage acquisition unit CT/PT, the Current Voltage acquisition unit CT/PT of female poor handset, combining unit Current Voltage acquisition unit
CT/PT can use electronic mutual inductor, be isolated and go back primary circuit with integral and obtain exchanging data, in the form of digital quantity message
It is sent to FPGA.Relative to structure shown in FIG. 1, mutual inductor cable is changed to optical cable and enters outdoor cabinet.
Site relay protection system (system) of the invention samples the frame mode being arranged on the spot, monospace is protected
Device is arranged on the spot, is arranged in master control room across interval protective device and observing and controlling automation equipment, includes across interval protective device
Bus differential protection device and main transformer protection device.Pass through 100,000,000 fiber optic communications between monospace protective device and master control room.System is straight
Acquisition analog quantity, switching value (directly adopting) are connect, tripping, which is outputed, is directly connected to intelligent terminal (straight to jump).
It is divided into different components according to monospace protective device function, fever, it is directly super with primary equipment cable connection
Grade acquisition unit is placed in outdoor cabinet, and route protection, female poor handset, combining unit, intelligent terminal etc. pass through optical fiber and master control room
Connected device is placed on outside outdoor cabinet.
Interval protective device is route protection, combining unit, intelligent terminal and female poor handset.
As shown in Figure 3 and Figure 4, the device of the invention, is provided with super acquisition unit on the spot, and super acquisition unit is connected with
Female difference handset, B code light string, route protection, combining unit, intelligent terminal, route protection Current Voltage acquisition unit CT/PT
(CT/PT 1#), the Current Voltage acquisition unit CT/PT (CT/PT 2#) of female poor handset, the Current Voltage acquisition of combining unit are single
The DC quantity acquisition of first CT/PT (CT/PT 3#), intake acquisition unit, the amount of outputing acquisition unit and temperature of oil in transformer, gear
Unit.
Super acquisition unit, CT/PT 1#, CT/PT 2#, CT/PT 3#, intake acquisition unit, the amount of outputing acquisition unit
It is positioned close to DC quantity acquisition unit in the outdoor cabinet of primary equipment placement.Route protection, combining unit, intelligent terminal and
Female difference handset is arranged on cabinet outer wall on the spot outdoors.Super acquisition unit respectively through kilomega optic fiber and route protection, combining unit,
Intelligent terminal and female poor handset communication connection.Route protection, combining unit, intelligent terminal and female poor handset are respectively through 100,000,000 optical fiber
It is communicated to connect with the master control room that digital transformer substation is arranged in.
Super acquisition unit receives CT/PT 1#, CT/PT 2#, CT/PT 3#, intake acquisition unit, the amount of outputing acquisition
The of ac and switching value that unit and DC quantity acquisition unit are sent, to female poor handset, route protection, combining unit and intelligence
Terminal output control signal, controls breaker actuation.Optical fiber and setting of the super acquisition unit through B code when transmission school are in master control room
Global position system GPS connection, information introduces each unit connecting with super acquisition unit through B code light string when high-ranking officers
In, it synchronizes.
Super acquisition unit uses the FPGA of low power consumption and high reliability, has 4 tunnel gigabit parallel converters Serders function
Can, power consumption is lower than 2.5W, realizes super low-power consumption and high reliability.The present embodiment selects U.S. Ai Te Actel company
SMARTFUSION2 series of products.
Female difference handset is connect through kilomega optic fiber with super acquisition unit, and super acquisition unit receives master control by female poor handset
The change towards general object of the breaker tripping and closing switching value data for the bus differential protection that the bus differential protection device (female difference host) of room transmits
Power station event GOOSE message.Female difference handset is connected with the bus differential protection device of master control room by 100,000,000 optical fiber interfaces to upper, under
It is connected through kilomega optic fiber with super acquisition unit.
Route protection is connect by kilomega optic fiber with super acquisition unit, and route protection is received through super acquisition unit from electricity
Flow the of ac information that voltage acquisition unit CT/PT acquisition comes.Line protective devices are used for the primary equipment of protection circuit, route
Protection is communicated through 100,000,000 optical fiber with master control room, using manufacturing message specification MMS message and Goose message format, route protection
The end E1 is connected through E1 optical fiber with the opposite side route protection of digital transformer substation.E1 is a kind of telecommunication channel, using synchronous time division
30 voice channels and 2 control channels are compounded on the IA High Speed Channel of a 2.048Mbit/s by multiplexing method.Opposite side refers to
The digital transformer substation of power supply line's other end.
Combining unit is connect through kilomega optic fiber with super acquisition unit, is received and is acquired from combining unit mutual inductor CT/PT3#
The of ac sampled data come, through 100,000,000 optical fiber by sampled data SV point-to-point transmission to master control room across interval protective device.
Intelligent terminal is connect through kilomega optic fiber with super acquisition unit, is received and is acquired from intake acquisition unit, the amount of outputing
The of ac and switching value information data that unit and DC quantity acquisition unit are sent, intelligent terminal are used through 100,000,000 optical fiber
Goose message is communicated with master control room.
As shown in figure 5, route protection is equipped with route protection FPGA and 8 mouthfuls of ethernet transceiver PHY188E3082, route is protected
Shield FPGA and master control room observing and controlling automation equipment and MMS and Goose message is respectively adopted through PHY1 across being spaced protective device and communicating.
The optical fiber interface and at least two transmitting-receiving Goose reports of at least two transmitting-receiving MMS messages are equipped in 8 mouthfuls of ethernet transceiver PHY1
The optical fiber interface of text, is 100,000,000 optical fiber interfaces, controls 100,000,000 optical fiber interfaces by PHY1 and carries out message transmissions.Route protection FPGA
It is connected with two-way E1, B code optical fiber interface 1, CPU1 and CPU2, gigabit optical module 1.E1 is used for logical with opposite side line protective devices
Letter, information when B code optical fiber interface 1 is used to obtain school from super acquisition unit through B code optical fiber, CPU1 and CPU2 are used for working line
Protection system, gigabit optical module 1 communicates with super acquisition unit for route protection FPGA, acquisition exchanges, open into, output letter
Breath.
As shown in fig. 6, combining unit is equipped with combining unit FPGA and 8 mouthfuls of ethernet transceiver PHY288E3082, merge single
First FPGA is communicated through 100,000,000 optical fiber across interval protective device by SV point-to-point transmission with master control room, transmits of ac data.
PHY2 is equipped with N number of 100,000,000 optical fiber interface of SV, and N is 1~8, and particular number is determined by present requirement.Combining unit FPGA is through gigabit
Optical module 2 receives the of ac information that super acquisition unit is sent, and is sent to after CPU3 is handled by 100,000,000 optical fiber interfaces
Master control room, information when B code optical fiber interface 2 is used to obtain school from super acquisition unit through B code optical fiber.
As shown in fig. 7, intelligent terminal is equipped with intelligent terminal FPGA and 8 mouthfuls of ethernet transceiver PHY 388E3082, intelligence
Terminal FPGA is communicated through PHY3 with the observing and controlling automation equipment of master control room using Goose message.PHY3 is equipped with M transmitting-receiving Goose
100,000,000 optical fiber interfaces of message, M are 1~8, and particular number is determined by present requirement.Intelligent terminal FPGA is through gigabit optical module
Receive that super acquisition unit sends opens into, the amount of outputing information, is sent to master control room by 100,000,000 optical fiber after CPU4 is handled,
Information when B code optical fiber interface 3 is used to obtain school from super acquisition unit through B code optical fiber.
In the substation of 110kV or less voltage class, combining unit and intelligent terminal are integrated into a device, can subtract
Few combining unit and intelligent terminal quantity, reduce cost.
As shown in figure 8, combining unit and intelligent apparatus (closing intelligence device) are equipped with and close intelligence device FPGA and 8 mouthfuls of Ethernet transmitting-receivings
Device PHY4 88E3082.Conjunction intelligence device FPGA is communicated through 100,000,000 optical fiber across interval protective device by the point-to-point biography of SV with master control room
It is defeated, it closes intelligence device PHY4 and is equipped with N number of 100,000,000 optical fiber interface of SV, N is 1~8.It closes intelligence device FPGA and master control room observing and controlling automates
Device communication uses Goose message through PHY4, closes 100,000,000 optical fiber interfaces that intelligence device PHY4 is equipped with M transmitting-receiving Goose message, M
It is 1~8.The gigabit optical module 4 for closing intelligence device FPGA receives exchange that super acquisition unit sends, opens into, the amount of outputing letter
Breath is sent to master control room by 100,000,000 optical fiber interfaces after CPU5 is handled, and B code optical fiber interface 4 through B code optical fiber from super for adopting
Collect information when unit obtains school.
As shown in figure 9, female difference handset is equipped with mother difference handset FPGA and proprietary protocol module, mother difference handset FPGA passes through privately owned
The poor main-machine communication of the mother of agreement and master control room.Proprietary protocol is mother difference handset FPGA and the female poor host of different digital substation
Proprietary communication protocol.The gigabit optical module 5 of female difference handset FPGA receive the acquisition exchange that super acquisition unit sends, open into,
Data are outputed, the poor host of the mother for being transmitted to master control room by 100,000,000 optical fiber interfaces after CPU6 is handled, B code optical fiber interface 5 is used for
Information when obtaining school from super acquisition unit through B code optical fiber.
The present invention by the maximum monospace protective device route protection of quantity, combining unit, intelligent terminal, female poor handset just
Ground arrangement, is arranged in master control room across interval protective device and observing and controlling automation equipment, and monospace protective device and master control room are logical
Fiber optic communication is crossed, a large amount of cables that digital transformer substation connection in the prior art enters master control room is saved, saves existing
In technology monospace protective device to intelligent terminal point-to-point transmission part fiber.System is directly adopted, is directly jumped, in this interval
Of ac is opened and is handled into, the amount of outputing at this interval, is no longer forwarded through communication, securely and reliably.The system arranged on the spot, terminates at
Installation, facilitates wiring and wiring in outdoor cabinet.It is divided into the component of different settings, the big component peace of calorific value according to function, fever
Outside outdoor cabinet, by the direct natural heat dissipation of the shell of itself, good heat dissipation, outdoor cabinet fever is reduced, it is no longer necessary to air-conditioning
Machine reduces the cost of relay protection, installs in direct-connected super acquisition unit cabinet with primary equipment, IP is protected, and is improved
The reliability of system, and facilitate O&M.
Claims (6)
1. a kind of site relay protection system is disguised automatically equipped with monospace protective device, across interval protective device and observing and controlling
It sets, monospace protective device is arranged on the spot, is arranged in the master control room of digital transformer substation across interval protective device, feature exists
In: in the master control room that digital transformer substation is arranged in the observing and controlling automation equipment, between monospace protective device and master control room
Pass through 100,000,000 fiber optic communications；
In the monospace protective device, directly it is placed in outdoor cabinet with the super acquisition unit of primary equipment cable connection, line
Road protection, female poor handset, combining unit and intelligent terminal are placed on outside outdoor cabinet by optical fiber；
The super acquisition unit is connected with female poor handset, B code light string, route protection, combining unit, intelligent terminal, route and protects
The Current Voltage acquisition unit (CT/PT 1#) of shield, the Current Voltage acquisition unit (CT/PT 2#) of female poor handset, combining unit
Current Voltage acquisition unit (CT/PT 3#), intake acquisition unit, the amount of outputing acquisition unit and temperature of oil in transformer, gear
DC quantity acquisition unit；The super acquisition unit, the Current Voltage acquisition unit (CT/PT 1#) of route protection, female poor handset
Current Voltage acquisition unit (CT/PT 2#), combining unit Current Voltage acquisition unit (CT/PT 3#), intake acquisition
Unit, the amount of outputing acquisition unit and DC quantity acquisition unit are positioned close in the outdoor cabinet of primary equipment placement；The route
Protection, combining unit, intelligent terminal and female poor handset are arranged on cabinet outer wall on the spot outdoors；The super acquisition unit passes through respectively
Kilomega optic fiber and route protection, combining unit, intelligent terminal and female poor handset communicate to connect；The route protection, combining unit,
Intelligent terminal and female poor handset are communicated to connect through 100,000,000 optical fiber with the master control room that digital transformer substation is arranged in respectively；
It is described across interval protective device include bus differential protection device and main transformer protection device；
The route protection is equipped with route protection field programmable gate array (FPGA) and ethernet transceiver (PHY) 1, and route is protected
It shield field programmable gate array (FPGA) and master control room observing and controlling automation equipment and is received across being spaced protective device and communicating through Ethernet
MMS and Goose message is respectively adopted in hair device (PHY) 1, and at least two transmitting-receiving MMS are equipped in the ethernet transceiver (PHY) 1
100,000,000 optical fiber interfaces of 100,000,000 optical fiber interfaces of message and at least two transmitting-receiving Goose messages, the route protection scene can compile
Journey gate array (FPGA) is connected with two-way E1, B code optical fiber interface 1, CPU1, CPU2 and gigabit optical module 1.
2. site relay protection system according to claim 1, it is characterised in that: the combining unit, which is equipped with, merges list
Member keeps the scene intact programmable gate array (FPGA) and ethernet transceiver (PHY) 2, combining unit field programmable gate array
(FPGA) it is communicated through 100,000,000 optical fiber across interval protective device by sampled data (SV) point-to-point transmission, the ether with master control room
Net transceiver (PHY) 2 is equipped with 1~8 100,000,000 optical fiber interface of sampled data (SV), the combining unit field programmable gate array
(FPGA) CPU3, gigabit optical module 2 and B code optical fiber interface 2 are connected with.
3. site relay protection system according to claim 1, it is characterised in that: the intelligent terminal is equipped with intelligence eventually
Hold field programmable gate array (FPGA) and ethernet transceiver (PHY) 3, field programmable gate array (FPGA) and master control room
The communication of observing and controlling automation equipment uses Goose message through ethernet transceiver (PHY) 3, and the ethernet transceiver (PHY) 3 sets
There are 100,000,000 optical fiber interfaces of 1~8 transmitting-receiving Goose message, the intelligent terminal field programmable gate array (FPGA) is connected with
CPU4, gigabit optical module 3 and B code optical fiber interface 3.
4. site relay protection system according to claim 1, it is characterised in that: female poor handset is equipped with female difference
Machine field programmable gate array (FPGA) and proprietary protocol module, female difference handset field programmable gate array (FPGA) pass through privately owned
Agreement is communicated with master control room, and female poor handset field programmable gate array (FPGA) is connected with gigabit optical module 5, CPU6 and B
Code optical fiber interface 5.
5. site relay protection system according to claim 1, it is characterised in that: in 110kV or less voltage class
In digital transformer substation, combining unit and intelligent terminal are integrated into and close intelligence device.
6. site relay protection system according to claim 5, it is characterised in that: the conjunction intelligence device, which is equipped with, closes intelligence dress
Set field programmable gate array (FPGA) and ethernet transceiver (PHY) 4, close intelligence device field programmable gate array (FPGA) with
Master control room presses sampled data (SV) point-to-point transmission, the ethernet transceiver through 100,000,000 optical fiber across interval protective device communication
(PHY) 4 it is equipped with 1~8 100,000,000 optical fiber interface of sampled data (SV), closes intelligence device field programmable gate array (FPGA) and master control
The communication of room observing and controlling automation equipment uses Goose message through ethernet transceiver (PHY) 4, and ethernet transceiver (PHY) 4 is equipped with 1
100,000,000 optical fiber interfaces of~8 transmitting-receiving Goose messages, the conjunction intelligence device field programmable gate array (FPGA) are connected with gigabit
Optical module 4, CPU5 and B code optical fiber interface 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611181075.XA CN106532957B (en) | 2016-12-20 | 2016-12-20 | Site relay protection system |
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| CN201611181075.XA CN106532957B (en) | 2016-12-20 | 2016-12-20 | Site relay protection system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681642B (en) * | 2017-08-17 | 2019-07-23 | 国电南瑞科技股份有限公司 | A kind of substation's site protection system |
| CN108631257B (en) * | 2018-05-10 | 2020-03-17 | 许继集团有限公司 | In-situ component protection system |
| CN108512199B (en) * | 2018-05-10 | 2020-05-22 | 许继集团有限公司 | On-site element protection system |
| CN110729707B (en) * | 2019-09-25 | 2022-01-28 | 国家电网公司华中分部 | Interval protection control system of intelligent substation |
| CN110826730B (en) * | 2019-10-10 | 2022-04-12 | 国网江西省电力有限公司电力科学研究院 | Offline voice recognition-based in-place protection information viewing method |
| CN111416330B (en) * | 2020-04-24 | 2022-04-15 | 北京东土科技股份有限公司 | Intelligent on-site unit with on-site protection function, on-site protection method and medium |
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| CN103151842A (en) * | 2013-03-18 | 2013-06-12 | 国家电网公司 | Hierarchical protection control system facing regional power grid |
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| CN100559309C (en) * | 2002-02-25 | 2009-11-11 | 通用电气公司 | The protection system that is used for distribution system |
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| CN103151842A (en) * | 2013-03-18 | 2013-06-12 | 国家电网公司 | Hierarchical protection control system facing regional power grid |
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Effective date of registration: 20180710 Address after: 100032 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant after: State Grid Corporation of China Applicant after: CYG Sunri Automation Co., Ltd. Applicant after: State Grid Jiangsu Electric Power Co., Ltd. Electric Power Research Institute Applicant after: Zhejiang Electric Power Co., Ltd. Address before: 518057 6, No. 3 Langshan Road, North Nanshan District high tech Industrial Park, Shenzhen, Guangdong Applicant before: CYG Sunri Automation Co., Ltd. |
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