CN106059068B - A kind of framework of internal bridge formula transformer station process layer - Google Patents
A kind of framework of internal bridge formula transformer station process layer Download PDFInfo
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- CN106059068B CN106059068B CN201610353503.6A CN201610353503A CN106059068B CN 106059068 B CN106059068 B CN 106059068B CN 201610353503 A CN201610353503 A CN 201610353503A CN 106059068 B CN106059068 B CN 106059068B
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- 238000002955 isolation Methods 0.000 claims description 2
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- H02J13/0086—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The present invention provides a kind of frameworks of internal bridge formula transformer station process layer, comprising: inlet wire information acquisition control device, internal bridge information acquisition control device and the high reserve protection of main transformer.Inlet wire information acquisition control device, for acquiring the current information on each inlet wire line segregation and being transmitted to the high reserve protection of main transformer.Internal bridge information acquisition control device, for acquiring the current information on each internal bridge interval and being transmitted to the high reserve protection of main transformer.Main transformer ontology information acquisition control device, for acquiring the current information of main transformer neutral point and being transmitted to the high back-up protection of main transformer.Namely the judgment basis of the high reserve protection of main transformer in the present invention be inlet wire current, internal bridge electric current and electric current and main transformer neutral point and electric current; therefore even if transform er differential protection is stopped transport or overhauled, grid equipment can be also safely operated under the protection of the high reserve protection of main transformer.
Description
Technical field
The present invention relates to intelligent substation technical fields, and in particular to a kind of internal bridge formula transformer station process layer
Framework.
Background technique
As smart grid construction important link, the engineering of intelligent substation take stage by stage, with different levels technical side
Case is gradually implemented.Intelligent Substation System structure can be divided into 3 layers, i.e. station level, wall and process layer.Process layer is set
It is standby comprising once smart machine, combining unit and intelligent terminal etc., the electric energy for completing intelligent substation distributes, transformation,
The correlation functions such as transmission and measurement, control, metering, status monitoring.
Internal bridge formula is a kind of mode of connection that intelligent substation generallys use, the high standby of main transformer under the mode of connection
Protection is the important supplement of transform er differential protection, played when transform er differential protection is stopped transport or is overhauled the entire transformer of protection and
The effect of line related and electrical equipment.But current internal bridge formula transformer station process layer, the high back-up protection of main transformer
Mainly using the on high-tension side electric current of main transformer as judgment basis, when main transformer high voltage side current is greater than setting valve, the high standby of main transformer is protected
Shield can in transform er differential protection tripping tripping relative breaker, to guarantee power network safety operation.But main transformer differential
The judgment basis of protection be inlet wire current and internal bridge electric current and electric current, and the judgment basis of the high back-up protection of main transformer is only
Main transformer high voltage side current, therefore the protection scope of the high back-up protection of main transformer in internal bridge formula transformer station process layer at present
It will lead to part power grid when transform er differential protection is stopped transport or is overhauled much smaller than the protection scope of its transform er differential protection
The operation of equipment (grid equipment i.e. outside the protection scope of the high back-up protection of main transformer) unprotect, this will seriously affect electric system
Safety.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming internal bridge formula transformer station process in the prior art
The protection scope of the high back-up protection of main transformer in layer is much smaller than the protection scope of transform er differential protection, once transform er differential protection stops
When fortune or maintenance, the defect of part grid equipment unprotect operation will lead to, to provide after one kind is capable of increasing main transformer height
The framework of the internal bridge formula transformer station process layer of the protection scope of standby protection.
For this purpose, the present invention provides the following technical scheme that
The present invention provides a kind of frameworks of internal bridge formula transformer station process layer, comprising: inlet wire information collection control
Device, internal bridge information acquisition control device, main transformer ontology information acquisition control device and the high back-up protection of main transformer processed
Device；
The inlet wire information acquisition control device, for acquiring the current information on each inlet wire line segregation and being transmitted to
The high reserve protection of main transformer；
The internal bridge information acquisition control device, for acquiring current information and biography on each internal bridge interval
Transport to the high reserve protection of the main transformer；
The main transformer ontology information acquisition control device, for acquiring the current information and biography of main transformer neutral point
Transport to the high reserve protection of the main transformer；
The high reserve protection of main transformer, for by received each inlet wire line segregation current information,
The current information of current information and the main transformer neutral point on each internal bridge interval as judgment basis, according to
This provides the high back-up protection of main transformer to main transformer.
The framework of internal bridge formula transformer station process layer of the present invention, the inlet wire information collection control dress
It sets, be also used to acquire the location information of breaker and disconnecting switch all on each inlet wire line segregation and be transmitted to long-range control
Center processed, the first control signal that the remote control center is fed back to based on the received control institute on the inlet wire line segregation
Some breakers and disconnecting switch；
The internal bridge information acquisition control device is also used to acquire breaker all on each internal bridge interval
And disconnecting switch location information and be transmitted to the remote control center, the remote control center is fed back to based on the received
Second control signal control breaker and disconnecting switch all on the internal bridge interval；
The main transformer ontology information acquisition control device, is also used to acquire keeping apart for the main transformer neutral point
The location information of pass is simultaneously transmitted to the remote control center, controls signal according to the third that the remote control center is fed back to
Control the disconnecting switch of the main transformer neutral point.
The framework of internal bridge formula transformer station process layer of the present invention, the inlet wire information acquisition control device
Intelligence integrated unit is closed including inlet wire combining unit and inlet wire；
The inlet wire combining unit device, for acquiring the portion of electrical current information on each inlet wire line segregation；
The inlet wire closes intelligence integrated unit, for acquire breaker all on each inlet wire line segregation and every
The current information of remainder on the location information and each inlet wire line segregation of pass is left, and according to receiving
First control signal controls breaker and disconnecting switch all on the inlet wire line segregation.
The framework of internal bridge formula transformer station process layer of the present invention, the internal bridge information collection control
Device includes that bridge combining unit and bridge close intelligence integrated unit；
The bridge combining unit, for acquiring the portion of electrical current information on each internal bridge interval；
The bridge closes intelligence integrated unit, for acquiring breaker and isolation all on each internal bridge interval
The current information of the location information of switch and the remainder on each internal bridge interval, and according to receiving
Second control signal controls breaker and disconnecting switch all on the internal bridge interval.
The framework of internal bridge formula transformer station process layer of the present invention, the main transformer ontology information acquisition
Control device includes main transformer body combining unit and main transformer body intelligent terminal；
The main transformer body combining unit, for acquiring the current information of the main transformer neutral point；
The main transformer body intelligent terminal, the location information of the disconnecting switch for acquiring the main transformer neutral point,
And the disconnecting switch of the main transformer neutral point is controlled according to the third control signal received.
The framework of internal bridge formula transformer station process layer of the present invention, further includes: main transformer body protective device；
The main transformer body intelligent terminal, is also used to acquire the ontology information of the main transformer；
The main transformer body protective device, for using the ontology information of the received main transformer as judgment basis,
Main transformer body protection is provided to the main transformer accordingly.
The framework of internal bridge formula transformer station process layer of the present invention, the main transformer body protective device are integrated
In in the main transformer body intelligent terminal.
The framework of internal bridge formula transformer station process layer of the present invention, further includes: low pressure inlet wire information collection
Control device and the low reserve protection of main transformer；
The low pressure inlet wire information acquisition control device, for acquiring each main transformer low-pressure side inlet wire line segregation
Current information and be transmitted to the low reserve protection of the main transformer；
The low reserve protection of the main transformer, for will be on the received main transformer low-pressure side inlet wire line segregation
Current information provides main transformer low back-up protection the main transformer accordingly as judgment basis.
The framework of internal bridge formula transformer station process layer of the present invention, the low pressure inlet wire information collection control
Device is also used to acquire the position letter of breaker and disconnecting switch all on each main transformer low-pressure side inlet wire line segregation
The remote control center is ceased and is transmitted to, the 4th control signal control fed back to according to the remote control center received
Make breaker and disconnecting switch all on each main transformer low-pressure side inlet wire line segregation.
The framework of internal bridge formula transformer station process layer of the present invention, the low pressure inlet wire information collection control
Device includes that low pressure inlet wire combining unit and low pressure inlet wire close intelligence integrated unit；
The low pressure inlet wire combining unit, for acquiring the portion on each main transformer low-pressure side inlet wire line segregation
Divide current information；
The low pressure inlet wire closes intelligence integrated unit, for acquiring each main transformer low-pressure side inlet wire line segregation
It is surplus on the location information and each main transformer low-pressure side inlet wire line segregation of upper all breaker and disconnecting switch
The current information of remaining part point, and each main transformer low-pressure side inlet wire is controlled according to the third control signal received
All breakers and disconnecting switch on line segregation.
Technical solution of the present invention has the advantages that
The present invention provides a kind of frameworks of internal bridge formula transformer station process layer, comprising: inlet wire information collection control
Device, internal bridge information acquisition control device and the high reserve protection of main transformer processed.Inlet wire information acquisition control device, is used for
It acquires the current information on each inlet wire line segregation and is transmitted to the high reserve protection of main transformer.Internal bridge information collection control
Device processed, for acquiring the current information on each internal bridge interval and being transmitted to the high reserve protection of main transformer.Main transformer pressure
Device ontology information acquisition control device is protected for acquiring the current information of main transformer neutral point and being transmitted to the high standby of main transformer
Shield.Namely the judgment basis of the high reserve protection of main transformer in the present invention be inlet wire current, internal bridge electric current and electric current
And the electric current of main transformer neutral point, therefore even if grid equipment also can be in main transformer when transform er differential protection is stopped transport or overhauled
It is safely operated under the protection of high reserve protection.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the knot of a specific example of the framework of internal bridge formula transformer station process layer in the embodiment of the present invention
Structure block diagram；
Fig. 2 is the electricity of a specific example of the framework of internal bridge formula transformer station process layer in the embodiment of the present invention
Road schematic diagram.
Appended drawing reference:
1- inlet wire information acquisition control device；2- internal bridge information acquisition control device；3- main transformer ontology information
Acquisition control device；The high reserve protection of 4- main transformer；5- main transformer body protective device；6- low pressure inlet wire information collection control dress
It sets；The low reserve protection of 7- main transformer；11- inlet wire combining unit；12- inlet wire closes intelligence integrated unit；21- bridge combining unit；
22- bridge closes intelligence integrated unit；31- main transformer body combining unit；32- main transformer body intelligent cell；61- low pressure inlet wire merges single
Member；62- low pressure inlet wire closes intelligence integrated unit.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment
A kind of framework of internal bridge formula transformer station process layer is present embodiments provided, as shown in Figure 1, comprising: into
Line information acquisition control device 1, internal bridge information acquisition control device 2,3 and of main transformer ontology information acquisition control device
The high reserve protection 4 of main transformer.
Inlet wire information acquisition control device 1, for acquiring the current information on each inlet wire line segregation and being transmitted to master
Get higher reserve protection 4.
Internal bridge information acquisition control device 2, for acquiring current information and transmission on each internal bridge interval
To the high reserve protection 4 of main transformer.
Main transformer ontology information acquisition control device 3, for acquiring current information and the transmission of main transformer neutral point
To the high reserve protection 4 of main transformer.
The high reserve protection 4 of main transformer, for by current information, each interior bridge on received each inlet wire line segregation
The current information of current information and main transformer neutral point on wiring interval accordingly provides main transformer as judgment basis
The high back-up protection of main transformer.Specifically, the high reserve protection 4 of main transformer can be by current information, the interior bridge on inlet wire line segregation
Current information on wiring interval sums it up the current information with main transformer neutral point together as the high reserve protection 4 of main transformer
Judgment basis.Specific deterministic process is as described below:
Wherein,For the electric current on each inlet wire line segregation collected of inlet wire information acquisition control device 1,It is interior
Electric current on each internal bridge interval collected of bridging line information acquisition control device 2,For main transformer body information
The electric current of the main transformer neutral point collected of acquisition control device 3.WhenOrWhen, the high standby of main transformer is protected
Protection unit 4 acts, and provides the high back-up protection of main transformer to main transformer, wherein Iy1For high standby forward-order current judgment threshold, Iy2For
High standby zero-sequence current judgment threshold.As it can be seen that no matter enter line side, at internal bridge or main transformer neutral point connecting part, appoint
What at one grid equipment break down, such as short circuit can all cause electric current to increase, namely exceed high standby forward-order current with electric current
Judgment threshold or main transformer neutral point electric current exceed high standby zero-sequence current judgment threshold, the high reserve protection 4 of main transformer
Failure has occurred it may determine that haveing, and the breaker tripping when failure occurs in the control high back-up protection of main transformer, to main transformer
Depressor provides the high back-up protection of main transformer.
The judgment basis of the framework of internal bridge formula transformer station process layer in the present embodiment is inlet wire current, interior bridge
Wiring electric current and electric current and main transformer neutral point electric current, therefore even if transform er differential protection stops transport or when maintenance, electricity
Net equipment can be also safely operated under the protection of the high reserve protection of main transformer.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment, inlet wire information collection control
Device 1 is also used to acquire the location information of breaker and disconnecting switch all on each inlet wire line segregation and is transmitted to remote
Process control center, the first control signal that remote control center is fed back to based on the received control all on inlet wire line segregation
Breaker and disconnecting switch.
Internal bridge information acquisition control device 2, be also used to acquire breaker all on each internal bridge interval and
The location information of disconnecting switch is simultaneously transmitted to remote control center, the second control that remote control center is fed back to based on the received
Signal controls breaker and disconnecting switch all on internal bridge interval.
Main transformer ontology information acquisition control device 3, is also used to acquire the position of the disconnecting switch of main transformer neutral point
Confidence ceases and is transmitted to remote control center, in the third control signal control main transformer fed back to according to remote control center
The disconnecting switch of property point.Specifically, remote control center can open circuit all on each inlet wire line segregation based on the received
On device and the location information of disconnecting switch, each internal bridge interval the location information of all breaker and disconnecting switch and
The location information of the disconnecting switch of transformer neutral point issues first control signal, according to operation of power networks demand for control respectively
Two control signals and third control signal to inlet wire information acquisition control device 1, internal bridge information acquisition control device 2 and master
Transformer body information acquisition control device 3 controls corresponding breaker and disconnecting switch, realizes to end of incoming cables, internal bridge end
With the remote control function of main transformer.
Preferably, as shown in Fig. 2, the framework of the internal bridge formula transformer station process layer in the present embodiment, inlet wire
Information acquisition control device 1 further comprises that inlet wire combining unit 11 and inlet wire close intelligence integrated unit 12.
Inlet wire combining unit device 11, for acquiring the portion of electrical current information on each inlet wire line segregation.Specifically, may be used
To select existing any combining unit to realize above-mentioned function as inlet wire combining unit device 11.
Inlet wire closes intelligence integrated unit 12, for acquiring breaker and disconnecting switch all on each inlet wire line segregation
Location information and each inlet wire line segregation on remainder current information, and according to the first control signal control received
All breaker and disconnecting switch on inlet wire line segregation processed.Specifically, existing any conjunction intelligence one can be selected
Makeup sets (integrating device of combining unit and intelligent terminal) as inlet wire conjunction intelligence integrated unit 12 and realizes above-mentioned function.In addition,
Because combining unit is much lower in cost compared to intelligence integrated apparatus is closed, for need to only acquire electric current without carrying out
The inlet wire part accordingly controlled need to only install combining unit, and the part for being controlled, for example include open circuit
Device and disconnecting switch part then need installation to close intelligence integrated apparatus to acquire the location information and residue of breaker and disconnecting switch
Partial electric current and the corresponding control signals breaker fed back to according to remote control center and disconnecting switch.
The framework of internal bridge formula transformer station process layer in the present embodiment, by selecting 11 He of inlet wire combining unit
Inlet wire closes intelligence integrated unit 12 and realizes the functions such as corresponding acquisition, long-range control, greatly reduces setting in intelligent substation
Standby quantity, has saved space.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment, internal bridge information are adopted
Collection control device 2 further comprises that bridge combining unit 21 and bridge close intelligence integrated unit 22.
Bridge combining unit 21, for acquiring the portion of electrical current information on each internal bridge interval.
Bridge closes intelligence integrated unit 22, for acquiring breaker and disconnecting switch all on each internal bridge interval
The current information of location information and the remainder on each internal bridge interval, and according to the second control signal control received
All breaker and disconnecting switch on internal bridge interval processed.
The framework of internal bridge formula transformer station process layer in the present embodiment, by selecting bridge combining unit 21 and bridge
It closes intelligence integrated unit 22 and realizes the functions such as corresponding acquisition, long-range control, greatly reduce the number of devices in intelligent substation
Amount, has saved space.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment, main transformer ontology letter
Ceasing acquisition control device 3 further comprises main transformer body combining unit 31 and main transformer body intelligent terminal 32.
Main transformer body combining unit 31, for acquiring the current information of main transformer neutral point.
Main transformer body intelligent terminal 32, the location information of the disconnecting switch for acquiring main transformer neutral point, and according to
The disconnecting switch of the third control signal control main transformer neutral point received.
The framework of internal bridge formula transformer station process layer in the present embodiment, by selecting main transformer body combining unit
31 and main transformer body intelligent terminal 32 realize the functions such as corresponding acquisition, long-range control, greatly reduce in intelligent substation
Number of devices has saved space.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment further include: main transformer body is protected
Protection unit 5.
Main transformer body intelligent terminal 32 is also used to acquire the ontology information of main transformer.
Main transformer body protective device 5, for using the ontology information of received main transformer as judgment basis, accordingly to master
Transformer provides main transformer body protection.Specifically, main transformer body protective device 5 can be acquired according to main transformer body intelligent terminal 32
To the ontology information of main transformer judge whether electric current shifts, if shifting, can control in main transformer ontology
Disconnecting switch tripping provides main body protection to main transformer, it is ensured that the safe operation of main transformer.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment, main transformer body protective device 5
It is integrated in main transformer body intelligent terminal 32.Further save space.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment further include: low pressure inlet wire letter
Cease the reserve protection 7 low with main transformer of acquisition control device 6.
Low pressure inlet wire information acquisition control device 6, for acquiring on each main transformer low-pressure side inlet wire line segregation
Current information is simultaneously transmitted to the low reserve protection 7 of main transformer.
The low reserve protection 7 of main transformer, for by the electricity on received each main transformer low-pressure side inlet wire line segregation
Stream information provides main transformer low back-up protection main transformer accordingly as judgment basis.Specifically, when each main transformer low pressure
When current information on the inlet wire line segregation of side exceeds setting valve, the low reserve protection 7 of main transformer can determine that main transformer is low
Pressure side is broken down, and then controls the breaker tripping within the scope of the low back-up protection of main transformer, after low to main transformer offer main transformer
Standby protection, further ensures the safe operation of grid equipment.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment, low pressure inlet wire information collection
Control device 6 is also used to acquire the position of breaker and disconnecting switch all on each main transformer low-pressure side inlet wire line segregation
Confidence ceases and is transmitted to remote control center, and the 4th control signal control fed back to according to the remote control center received is every
All breaker and disconnecting switch on one main transformer low-pressure side inlet wire line segregation.Specifically, remote control center can be with
The location information of breaker and disconnecting switch all on each main transformer low-pressure side inlet wire line segregation based on the received, is pressed
The 4th control signal is issued to low pressure inlet wire information acquisition control device 6 according to operation of power networks demand for control, controls corresponding open circuit
Device and disconnecting switch, realize remote control function.
Preferably, the framework of the internal bridge formula transformer station process layer in the present embodiment, low pressure inlet wire information are adopted
Collection control device 6 further comprises that low pressure inlet wire combining unit 61 and low pressure inlet wire close intelligence integrated unit 62.
Low pressure inlet wire combining unit 61, for acquiring the portion of electrical current on each main transformer low-pressure side inlet wire line segregation
Information.
Low pressure inlet wire closes intelligence integrated unit 62, owns on each main transformer low-pressure side inlet wire line segregation for acquiring
Breaker and disconnecting switch location information and the remainder on each main transformer low-pressure side inlet wire line segregation electricity
Stream information, and all on each main transformer low-pressure side inlet wire line segregation break is controlled according to the third control signal received
Road device and disconnecting switch.
The framework of internal bridge formula transformer station process layer in the present embodiment, by selecting low pressure inlet wire combining unit
61 and low pressure inlet wire close intelligence integrated unit 62 and realize the functions such as corresponding acquisition, long-range control, greatly reduce intelligent power transformation
Number of devices in standing, has saved space.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (9)
1. a kind of framework of internal bridge formula transformer station process layer characterized by comprising inlet wire information collection control dress
Set (1), internal bridge information acquisition control device (2), main transformer ontology information acquisition control device (3) and the high standby of main transformer
Protective device (4)；
The inlet wire information acquisition control device (1), for acquiring the current information on each inlet wire line segregation and being transmitted to
The high reserve protection of main transformer (4)；
The internal bridge information acquisition control device (2), for acquiring current information and biography on each internal bridge interval
Transport to the high reserve protection of the main transformer (4)；
The main transformer ontology information acquisition control device (3), for acquiring the current information and biography of main transformer neutral point
Transport to the high reserve protection of the main transformer (4)；
The high reserve protection of main transformer (4), for by the current information on received each inlet wire line segregation, institute
State the current information of the current information on each internal bridge interval and the main transformer neutral point as judgment basis, accordingly
The high back-up protection of main transformer is provided to main transformer；
The inlet wire information acquisition control device (1), be also used to acquire breaker all on each inlet wire line segregation and every
It leaves the location information of pass and is transmitted to remote control center, the first control that the remote control center is fed back to based on the received
Signal processed controls breaker and disconnecting switch all on the inlet wire line segregation；
The internal bridge information acquisition control device (2), is also used to acquire breaker all on each internal bridge interval
And disconnecting switch location information and be transmitted to the remote control center, the remote control center is fed back to based on the received
Second control signal control breaker and disconnecting switch all on the internal bridge interval；
The main transformer ontology information acquisition control device (3), is also used to acquire keeping apart for the main transformer neutral point
The location information of pass is simultaneously transmitted to the remote control center, controls signal according to the third that the remote control center is fed back to
Control the disconnecting switch of the main transformer neutral point.
2. the framework of internal bridge formula transformer station process layer according to claim 1, which is characterized in that the inlet wire
Information acquisition control device (1) includes that inlet wire combining unit (11) and inlet wire close intelligence integrated unit (12)；
The inlet wire combining unit device (11), for acquiring the portion of electrical current information on each inlet wire line segregation；
The inlet wire closes intelligence integrated unit (12), for acquire breaker all on each inlet wire line segregation and every
The current information of remainder on the location information and each inlet wire line segregation of pass is left, and according to receiving
First control signal controls breaker and disconnecting switch all on the inlet wire line segregation.
3. the framework of internal bridge formula transformer station process layer according to claim 1, which is characterized in that the interior bridge
Wiring information acquisition control device (2) includes bridge combining unit (21) He Qiaohe intelligence integrated unit (22)；
The bridge combining unit (21), for acquiring the portion of electrical current information on each internal bridge interval；
The bridge closes intelligence integrated unit (22), for acquiring breaker and isolation all on each internal bridge interval
The current information of the location information of switch and the remainder on each internal bridge interval, and according to receiving
Second control signal controls breaker and disconnecting switch all on the internal bridge interval.
4. the framework of internal bridge formula transformer station process layer according to claim 1, which is characterized in that the main transformer
Depressor ontology information acquisition control device (3) includes main transformer body combining unit (31) and main transformer body intelligent terminal (32)；
The main transformer body combining unit (31), for acquiring the current information of the main transformer neutral point；
The main transformer body intelligent terminal (32), the location information of the disconnecting switch for acquiring the main transformer neutral point,
And the disconnecting switch of the main transformer neutral point is controlled according to the third control signal received.
5. the framework of internal bridge formula transformer station process layer according to claim 4, which is characterized in that further include:
Main transformer body protective device (5)；
The main transformer body intelligent terminal (32), is also used to acquire the ontology information of the main transformer；
The main transformer body protective device (5), for using the ontology information of the received main transformer as judgment basis, according to
This provides main transformer body protection to the main transformer.
6. the framework of internal bridge formula transformer station process layer according to claim 5, which is characterized in that the main transformer
Main body protection device (5) is integrated in the main transformer body intelligent terminal (32).
7. the framework of internal bridge formula transformer station process layer according to claim 1-6, which is characterized in that
Further include: low pressure inlet wire information acquisition control device (6) and the low reserve protection of main transformer (7)；
The low pressure inlet wire information acquisition control device (6), for acquiring each main transformer low-pressure side inlet wire line segregation
Current information and be transmitted to the low reserve protection of the main transformer (7)；
The low reserve protection (7) of the main transformer, for will be on the received main transformer low-pressure side inlet wire line segregation
Current information provides main transformer low back-up protection the main transformer accordingly as judgment basis.
8. the framework of internal bridge formula transformer station process layer according to claim 7, it is characterised in that；
The low pressure inlet wire information acquisition control device (6) is also used to acquire on each main transformer low-pressure side inlet wire line segregation
The location information of all breaker and disconnecting switch is simultaneously transmitted to the remote control center, described long-range according to what is received
The 4th control signal that control centre feeds back to controls all on each main transformer low-pressure side inlet wire line segregation break
Road device and disconnecting switch.
9. the framework of internal bridge formula transformer station process layer according to claim 8, which is characterized in that the low pressure
Inlet wire information acquisition control device (6) includes that low pressure inlet wire combining unit (61) and low pressure inlet wire close intelligence integrated unit (62)；
The low pressure inlet wire combining unit (61), for acquiring the portion on each main transformer low-pressure side inlet wire line segregation
Divide current information；
The low pressure inlet wire closes intelligence integrated unit (62), for acquiring each main transformer low-pressure side inlet wire line segregation
It is surplus on the location information and each main transformer low-pressure side inlet wire line segregation of upper all breaker and disconnecting switch
The current information of remaining part point, and each main transformer low-pressure side inlet wire is controlled according to the third control signal received
All breakers and disconnecting switch on line segregation.
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| CN107611930A (en) * | 2017-10-17 | 2018-01-19 | 山东钢铁股份有限公司 | A kind of high voltage protective system |
| CN112615352B (en) * | 2020-12-14 | 2023-02-17 | 国网山东省电力公司烟台供电公司 | Quick far backup protection device of transformer substation |
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