CN104638769B - Load shedding method and system for safety automatic device based GOOSE information - Google Patents
Load shedding method and system for safety automatic device based GOOSE information Download PDFInfo
- Publication number
- CN104638769B CN104638769B CN201510077155.XA CN201510077155A CN104638769B CN 104638769 B CN104638769 B CN 104638769B CN 201510077155 A CN201510077155 A CN 201510077155A CN 104638769 B CN104638769 B CN 104638769B
- Authority
- CN
- China
- Prior art keywords
- disconnecting link
- bus
- low
- main transformer
- load cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a load shedding method and system for a safety automatic device based GOOSE information. The method comprises the following steps: controlling the safety automatic device to acquire the real-time circuit information of a main wiring of a transformation station via a GOOSE network; determining electric regions to which low-voltage side buses, main transformers and load units belong respectively in the transformation station according to the circuit information; adjusting load units adjusted and removed in each load shedding strategy of the safety automatic device according to the electric regions to which the low-voltage side buses, the main transformers and the load units belong. According to the scheme of the invention, automatic adjustment of the load shedding strategy of the safety automatic device for a digital transformer station can be realized, the risk of wrong load removal of the safety automatic device is avoided, and the correctness and reliability of the strategy of the safety automatic device are effectively ensured.
Description
Technical field
The present invention relates to power system and technical field of automation, more particularly to a kind of safety based on GOOSE information
The off-load method and system of automaton.
Background technology
In power system in operation, transformer station is primarily present bus cyclization and bus is divided to row two kinds of methods of operation.Work as change
Power station be in bus Electromagnetic coupling mode when, stand in load cell be in same electrical areas with each main transformer, bus,
The now main transformer excessively stream off-load strategy of automatic safety device, bus UFLS strategy and bus low-voltage load sheding strategy excision
Arbitrary load cell, can help to solve the problems, such as corresponding safety and stability.
But, when transformer station be in bus fanout operation mode when, stand in load cell with each main transformer, bus not
In same electrical areas, now the main transformer excessively stream off-load strategy of automatic safety device, bus UFLS strategy and mother
Line low-voltage load sheding strategy must then cut off the load cell of same electrical areas, just contribute to solving the problems, such as corresponding safety and stability,
If the load cell of the non-same electrical areas of excision, invalid to solving the problems, such as corresponding safety and stability, belong to excision load by mistake.
At present, the main transformer excessively stream off-load strategy of conventional substation automatic safety device, bus UFLS strategy and
Bus low-voltage load sheding strategy cannot adapt to the change of substation operation mode automatically.Reason is that automatic safety device must be by increasing
Substantial amounts of second loop return wiring, can get the real-time electric information of above-mentioned electrical equipment, implement extremely complex, therefore engineering reality
It is difficult in the application of border.When bus is in the denominator method of operation, need the excision for manually adjusting associated loadings unit preferential
Level definite value, or the artificial tripping operation output clamping for throwing dephasign pass load cell, related control strategies can be adapted to.
Manually adjust definite value or throwing is moved back tripping operation output clamping and there is following drawback：
1. there is operation and the inconsistent situation of practical operation situation in easily there is operation, such as：Operation operator
Pressing plate is first put into/exited, grid switching operation is then just completed, or operation operator first complete grid switching operation, then just put into/move back
Go out pressing plate.
2. there is larger maloperation risk, such as：Pressing plate, leakage change definite value etc. are moved back in leakage throwing, and safety automation will be caused to fill
The correctness and reliability put is severely impacted.
In sum, the off-load scheme of conventional substation automatic safety device, correctness are difficult to ensure that reliability is relatively low.
The content of the invention
Based on this, it is necessary to for above-mentioned technical problem, there is provided a kind of automatic safety device based on GOOSE information subtracts
Support method and system.
A kind of off-load method of the automatic safety device based on GOOSE information, comprises the steps：
Control automatic safety device nets the real not time circuit information for obtaining Substation Bus Arrangement by GOOSE；
According to the circuit information, determine low-pressure side bus in transformer station, main transformer and load cell each belonging to
Electrical areas；
According to the electrical areas that the low-pressure side bus, main transformer and load cell are located, automatic safety device is adjusted
Adjust in each off-load strategy the load cell of excision.
A kind of automatic safety device intelligence unloading system based on GOOSE information, including：
Acquisition module, nets the real not time circuit letter for obtaining Substation Bus Arrangement for controlling automatic safety device by GOOSE
Breath；
Determining module, for according to the circuit information, determining low-pressure side bus in transformer station, main transformer and load list
First each affiliated electrical areas；
Adjusting module, for the electrical areas being located according to the low-pressure side bus, main transformer and load cell, adjustment
Adjust in automatic safety device each off-load strategy the load cell of excision.
The off-load method and system of the above-mentioned automatic safety device based on GOOSE information, is effectively utilized Digitized transformation
The GOOSE Information Networks stood, by the real not time circuit information that Substation Bus Arrangement is obtained from GOOSE Information Networks, according to circuit information
Determine the electrical areas belonging to each electrical equipment, and then the automatic safety device in digital transformer substation in substation operation side
When formula changes, the adjust automatically of automatic safety device off-load strategy is carried out according to affiliated electrical areas.
By the technology of the present invention, the adjust automatically of digital transformer substation automatic safety device off-load strategy can be realized,
Avoid automatic safety device from cutting off the risk of load by mistake, effectively guarantee the correctness and reliability of automatic safety device strategy.
Description of the drawings
Fig. 1 is a kind of off-load method flow diagram of the automatic safety device based on GOOSE information of the present invention；
Fig. 2 closes female method of operation schematic diagram for the main electrical scheme of transformer station；
Main electrical scheme denominator method of operation schematic diagrams of the Fig. 3 for transformer station；
Fig. 4 is automatic safety device intelligence unloading system structural representation of the present invention based on GOOSE information.
Specific embodiment
Below in conjunction with the accompanying drawings to the present invention the automatic safety device based on GOOSE information off-load method and system tool
Body embodiment is described in detail.
With reference to shown in Fig. 1, Fig. 1 is a kind of off-load method flow of the automatic safety device based on GOOSE information of the present invention
Figure, comprises the steps：
Step (1), is controlled automatic safety device and the real not time circuit information for obtaining Substation Bus Arrangement is netted by GOOSE；
In one embodiment, the step of real not time circuit information of Substation Bus Arrangement is obtained in step (1), specifically can be with
Including as follows：
Control automatic safety device nets the real not time circuit information for obtaining electrical main connecting wire in transformer station by GOOSE；
According to the circuit information of the electrical main connecting wire, the folding of the on high-tension side switch of main transformer and disconnecting link is therefrom extracted
Information, the folding information of the switch and disconnecting link of low-pressure side, the folding information of the bus connection switch and disconnecting link of low-pressure side bus and each
The folding information of the switch and disconnecting link of load cell.
As one embodiment, according to the circuit information of the electrical main connecting wire, main transformer is therefrom extracted on high-tension side
The folding information of switch and disconnecting link, the folding information of the switch and disconnecting link of low-pressure side, the bus connection switch and disconnecting link of low-pressure side bus
Folding information and each load cell switch and disconnecting link folding information the step of include it is as follows：
According to the circuit information of the electrical main connecting wire, therefrom extract the on high-tension side switch of main transformer, the first disconnecting link, the
The folding information of two disconnecting links, the 3rd disconnecting link；Wherein, first disconnecting link is the connection main transformer high side switch and high pressure
Disconnecting link between first bus, second disconnecting link is between the connection main transformer high side switch and the second bus of high pressure
Disconnecting link, the 3rd disconnecting link is the disconnecting link between the connection main transformer high side switch and main transformer；
According to the circuit information of the electrical main connecting wire, therefrom extract the switch of main transformer low-pressure side, the first disconnecting link, the
The folding information of two disconnecting links, the 3rd disconnecting link；Wherein, first disconnecting link is the connection main transformer low-side switch and low pressure
Disconnecting link between first bus, second disconnecting link is between the connection main transformer low-side switch and the second bus of low pressure
Disconnecting link, the 3rd disconnecting link is the disconnecting link between the connection main transformer low-side switch and main transformer；
According to the circuit information of the electrical main connecting wire, therefrom extract the bus connection switch of low-pressure side bus, the first disconnecting link, the
The folding information of two disconnecting links；Wherein, first disconnecting link is the disconnecting link between the connection bus connection switch and the first bus of low pressure,
Second disconnecting link is the disconnecting link between the connection bus connection switch and the second bus of low pressure；
According to the circuit information of the electrical main connecting wire, the switch of each load cell, the first disconnecting link, the second knife are therefrom extracted
The folding information of lock, the 3rd disconnecting link；Wherein, first disconnecting link for connection load cell switch and the first bus of low pressure it
Between disconnecting link, second disconnecting link is the disconnecting link between connection load cell switch and the second bus of low pressure；Described 3rd
Disconnecting link is the disconnecting link between the connection load cell switch and load side.
Step (2), according to the circuit information, determines that low-pressure side bus in transformer station, main transformer and load cell are each
From affiliated electrical areas；
In one embodiment, in the determination transformer station of step (2), low-pressure side bus, main transformer and load cell be each
The step of affiliated electrical areas, can include as follows：
According to the circuit information, each bar low-pressure side bus, each main transformer and each load cell in transformer station is set
The mark of affiliated electrical areas；Low-pressure side bus, main transformer and load cell pair in transformer station is determined according to the mark
The electrical areas answered.
As one embodiment, for each bar low-pressure side bus, the method to set up of its affiliated electrical areas mark, can wrap
Include as follows：
The first bus of low pressure affiliated electrical areas mark is set to into any integer value in addition to 0；
For the bus connection switch and its first, second disconnecting link of first, second bus of low pressure, if three is in combined floodgate shape simultaneously
State, then the second bus of low pressure affiliated electrical areas mark be set to the mark of the affiliated electrical areas of the first bus；If three is different
In "on" position, then the affiliated electrical areas mark of the second bus of low pressure is set to any number in addition to 0, and female with first
Line electrical areas mark now is differed.
Used as one embodiment, for each main transformer, the method to set up of its affiliated electrical areas mark can include
It is as follows：
If main transformer is in non-operating state, its affiliated electrical areas mark is set to numerical value 0；If main transformer is in
Running status, and the first disconnecting link of low-pressure side is in "on" position, no matter the then state of the second disconnecting link of low-pressure side, electricity belonging to which
Gas area identification is set to the mark of the affiliated electrical areas of the first bus of low pressure；If main transformer is in running status, and low-pressure side
First disconnecting link is in "on" position in gate-dividing state, the second disconnecting link, then to be set to low pressure second female for its affiliated electrical areas mark
The mark of the affiliated electrical areas of line；
Wherein, differentiate that main transformer is in running status, following condition should be met simultaneously：
Condition one：The first disconnecting link of main transformer high-pressure side or the second disconnecting link are in "on" position；
Condition two：Main transformer high side switch is in "on" position；
Condition three：The 3rd disconnecting link of main transformer high-pressure side is in "on" position；
Condition four：The first disconnecting link of main transformer low-pressure side or the second disconnecting link are in "on" position；
Condition five：Main transformer low-side switch is in "on" position；
Condition six：The 3rd disconnecting link of main transformer low-pressure side is in "on" position.
As one embodiment, for each load cell, the method to set up of its affiliated electrical areas mark, can include as
Under：
If load cell is in non-operating state, its affiliated electrical areas mark is set to numerical value 0；If load cell is in
Running status, and its first disconnecting link is in "on" position, no matter the then state of its second disconnecting link, its affiliated electrical areas mark
Knowledge is set to the mark of the affiliated electrical areas of the first bus of low pressure；If load cell is in running status, and its first disconnecting link is in
Gate-dividing state, the second disconnecting link are in "on" position, then its affiliated electrical areas mark is set to electric area belonging to the second bus of low pressure
The mark in domain；
Wherein, differentiate that load cell is in running status, following condition should be met simultaneously：
Condition one：The first disconnecting link of load cell or the second disconnecting link are in "on" position；
Condition two：Load cell switch is in "on" position；
Condition three：The 3rd disconnecting link of load cell is in "on" position.
Step (3), according to the electrical areas that the low-pressure side bus, main transformer and load cell are located, adjustment safety
Adjust in automaton each off-load strategy the load cell of excision.
In one embodiment, adjust in step (3) adjustment automatic safety device each off-load strategy the load list of excision
The step of unit, can include as follows：
According to the low-pressure side bus, the mark of main transformer electrical areas corresponding with load cell, safety automation is adjusted
The low pressure of the UFLS strategy of each low-voltage bus bar of device, the excessively stream off-load strategy of each main transformer and each low-voltage bus bar subtracts
Adjust in carrying strategy the load cell of excision.
Used as one embodiment, concrete method of adjustment can be as follows：
For the excessively stream off-load strategy of each main transformer, if the affiliated electrical areas of main transformer are designated 0, locking should
Main transformer excessively stream off-load strategy；If the affiliated electrical areas mark of main transformer is not 0, the main transformer excessively stream off-load strategy
The object of excision adjusted identifies the load cell inconsistent with which not comprising electrical areas, should only retain electrical areas and identify and which
Consistent load cell；
For the UFLS strategy of each low-voltage bus bar, its UFLS strategy adjust excision object do not include electric area
The domain identifier load cell inconsistent with which, only retains electrical areas and identifies the load cell consistent with which；
For the low-voltage load sheding strategy of each low-voltage bus bar, its low-voltage load sheding strategy adjust excision object do not include electric area
The domain identifier load cell inconsistent with which, only retains electrical areas and identifies the load cell consistent with which.
In order to become apparent from the beneficial effect of technical scheme, two are illustrated below in conjunction with the accompanying drawings based on the present invention
The application example of technical scheme.
Example one
Illustrate by taking Fig. 2 as an example, Fig. 2 closes female method of operation schematic diagram for the main electrical scheme of transformer station.Based on GOOSE information
Automatic safety device off-load method example it is specific as follows：
Step S201：The real not time circuit information for obtaining Substation Bus Arrangement is netted by GOOSE.
According to foregoing circuit information, therefrom extract the on high-tension side switch of main transformer, the first disconnecting link, the second disconnecting link,
The folding information of three disconnecting links, the switch of main transformer low-pressure side, the first disconnecting link, the second disconnecting link, the folding information of the 3rd disconnecting link are low
The pressure bus connection switch of side bus, the first disconnecting link, the folding information of the second disconnecting link, and the switch of each load cell, the first disconnecting link,
The folding information of the second disconnecting link, the 3rd disconnecting link.
Step S202：According to the circuit information, determine that main transformer in transformer station, low-pressure side bus and load cell are each
From affiliated electrical areas, specifically include：
The affiliated electrical areas mark of the first bus of low pressure is set to numerical value 1.
For the bus connection switch and its first, second disconnecting link of first, second bus of low pressure, as three is simultaneously in combined floodgate
State, therefore the second bus of low pressure affiliated electrical areas mark is set to the mark of the affiliated electrical areas of the first bus, i.e., 1.
For main transformer one, as its first disconnecting link of high-pressure side is in combined floodgate shape in "on" position, high side switch
State, the 3rd disconnecting link of high-pressure side are in "on" position, main transformer low pressure in "on" position, the first disconnecting link of main transformer low-pressure side
The 3rd disconnecting link of side is in "on" position, therefore main transformer one is in running status.
As main transformer one is in running status, and its first disconnecting link of low-pressure side is in "on" position, therefore electric belonging to which
Gas area identification is set to the mark of the affiliated electrical areas of the first bus of low pressure, i.e., and 1.
For main transformer two, as its second disconnecting link of high-pressure side is in combined floodgate shape in "on" position, high side switch
State, the 3rd disconnecting link of high-pressure side are in "on" position, main transformer low pressure in "on" position, the second disconnecting link of main transformer low-pressure side
The 3rd disconnecting link of side is in "on" position, therefore which is in running status.
As main transformer two is in running status, and its first disconnecting link of low-pressure side is at gate-dividing state, the second disconnecting link
In "on" position, therefore its affiliated electrical areas mark is set to the mark of the affiliated electrical areas of the second bus of low pressure, i.e., and 1.
For load cell one, as its first disconnecting link is at "on" position, the 3rd disconnecting link in "on" position, switch
In "on" position, therefore which is in running status.
As load cell one is in running status, and its first disconnecting link is in "on" position, therefore its affiliated electrical areas
Mark is set to the mark of the affiliated electrical areas of the first bus of low pressure, i.e., and 1.
For load cell two, as its second disconnecting link is at "on" position, the 3rd disconnecting link in "on" position, switch
In "on" position, therefore which is in running status.
As load cell two is in running status, and its first disconnecting link is in gate-dividing state, the second disconnecting link and closes a floodgate
State, therefore its affiliated electrical areas mark is set to the mark of the affiliated electrical areas of the second bus of low pressure, i.e., 1.
Step S203：According to the electrical areas that each electrical equipment is located, adjustment automatic safety device each subtract
The excision priority of load cell in strategy is carried, is specifically included：
For the excessively stream off-load strategy of main transformer one, the object of its excision of adjusting should not be identified comprising electrical areas and which
Inconsistent load cell；The load cell that electrical areas are designated 1, such as load cell one, load cell two should be retained only.
For the excessively stream off-load strategy of main transformer two, the object of its excision of adjusting should not be identified comprising electrical areas and which
Inconsistent load cell；The load cell that electrical areas are designated 1, such as load cell one, load cell two should be retained only.
For the UFLS strategy of the first bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell；The load cell that electrical areas are designated 1, such as load cell one, load cell two should be retained only.
For the UFLS strategy of the second bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell；The load cell that electrical areas are designated 1, such as load cell one, load cell two should be retained only.
For the low-voltage load sheding strategy of the first bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell；The load cell that electrical areas are designated 1, such as load cell one, load cell two should be retained only.
For the low-voltage load sheding strategy of the second bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell；The load cell that electrical areas are designated 1, such as load cell one, load cell two should be retained only.
Example two
Illustrate by taking Fig. 3 as an example, main electrical scheme denominator method of operation schematic diagrams of the Fig. 3 for transformer station.Based on GOOSE information
Automatic safety device off-load method example it is specific as follows：
Step S301：The real not time circuit information for obtaining Substation Bus Arrangement is netted by GOOSE.
According to foregoing circuit information, therefrom can extract the on high-tension side switch of main transformer, the first disconnecting link, the second disconnecting link,
The folding information of the 3rd disconnecting link, the switch of main transformer low-pressure side, the first disconnecting link, the second disconnecting link, the folding information of the 3rd disconnecting link,
The bus connection switch of low-pressure side bus, the first disconnecting link, the folding information of the second disconnecting link, and switch, first knife of each load cell
Lock, the second disconnecting link, the folding information of the 3rd disconnecting link.
Step S302：According to the circuit information, determine that main transformer in transformer station, low-pressure side bus and load cell are each
From affiliated electrical areas, specifically include：
The affiliated electrical areas mark of the first bus of low pressure is set to numerical value 1.
For the bus connection switch and its first, second disconnecting link of first, second bus of low pressure, close due to being in when three is different
Lock state, therefore the affiliated electrical areas mark of the second bus of low pressure is set to numerical value 2.
For main transformer one, as its first disconnecting link of high-pressure side is in combined floodgate shape in "on" position, high side switch
State, the 3rd disconnecting link of high-pressure side are in "on" position, main transformer low pressure in "on" position, the first disconnecting link of main transformer low-pressure side
The 3rd disconnecting link of side is in "on" position, therefore main transformer one is in running status.
As main transformer one is in running status, and the first disconnecting link of low-pressure side is in "on" position, therefore electric belonging to which
Area identification is set to the mark of the affiliated electrical areas of the first bus of low pressure, i.e., and 1.
For main transformer two, as its second disconnecting link of high-pressure side is in combined floodgate shape in "on" position, high side switch
State, the 3rd disconnecting link of high-pressure side are in "on" position, main transformer low pressure in "on" position, the second disconnecting link of main transformer low-pressure side
The 3rd disconnecting link of side is in "on" position, therefore which is in running status.
As main transformer two is in running status, and the first disconnecting link of low-pressure side is in gate-dividing state, the second disconnecting link
"on" position, therefore its affiliated electrical areas mark is set to the mark of the affiliated electrical areas of the second bus of low pressure, i.e., 2.
For load cell one, as its first disconnecting link is at "on" position, the 3rd disconnecting link in "on" position, switch
In "on" position, therefore which is in running status.
As load cell one is in running status, and its first disconnecting link is in "on" position, therefore its affiliated electrical areas
Mark is set to the mark of the affiliated electrical areas of the first bus of low pressure, i.e., and 1.
For load cell two, as its second disconnecting link is at "on" position, the 3rd disconnecting link in "on" position, switch
In "on" position, therefore which is in running status.
As load cell two is in running status, and its first disconnecting link is in gate-dividing state, the second disconnecting link and closes a floodgate
State, therefore its affiliated electrical areas mark is set to the mark of the affiliated electrical areas of the second bus of low pressure, i.e., 2.
Step S303：According to the electrical areas that each electrical equipment is located, adjustment automatic safety device each subtract
The excision priority of load cell in strategy is carried, is specifically included：
For the excessively stream off-load strategy of main transformer one, the object of its excision of adjusting should not be identified comprising electrical areas and which
Inconsistent load cell, such as load cell two；The load cell that electrical areas are designated 1, such as load cell one should be retained only.
For the excessively stream off-load strategy of main transformer two, the object of its excision of adjusting should not be identified comprising electrical areas and which
Inconsistent load cell, such as load cell one；The load cell that electrical areas are designated 2, such as load cell two should be retained only.
For the UFLS strategy of the first bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell, such as load cell two；The load cell that electrical areas are designated 1, such as load cell should be retained only
1。
For the UFLS strategy of the second bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell, such as load cell one；The load cell that electrical areas are designated 2, such as load cell should be retained only
2。
For the low-voltage load sheding strategy of the first bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell, such as load cell two；The load cell that electrical areas are designated 1, such as load cell should be retained only
1。
For the low-voltage load sheding strategy of the second bus of low pressure, the object of its excision of adjusting should not comprising electrical areas mark with
Its inconsistent load cell, such as load cell one；The load cell that electrical areas are designated 2, such as load cell should be retained only
2。
With reference to shown in Fig. 4, Fig. 4 is that automatic safety device intelligence unloading system structure of the present invention based on GOOSE information is shown
It is intended to, including：
Acquisition module, nets the real not time circuit letter for obtaining Substation Bus Arrangement for controlling automatic safety device by GOOSE
Breath；
Determining module, for according to the circuit information, determining low-pressure side bus in transformer station, main transformer and load list
First each affiliated electrical areas；
Adjusting module, for the electrical areas being located according to the low-pressure side bus, main transformer and load cell, adjustment
Adjust in automatic safety device each off-load strategy the load cell of excision.
The automatic safety device intelligence unloading system based on GOOSE information of the present invention is believed based on GOOSE with the present invention
The automatic safety device intelligence off-load method of breath is corresponded, and is intelligently subtracted in the above-mentioned automatic safety device based on GOOSE information
The technical characteristic and its advantage of the embodiment elaboration of support method is suitable for the automatic safety device intelligence based on GOOSE information
In the embodiment of energy unloading system, hereby give notice that.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (8)
1. a kind of off-load method of the automatic safety device based on GOOSE information, it is characterised in that comprise the steps：
Control automatic safety device nets the real not time circuit information for obtaining Substation Bus Arrangement by GOOSE；
According to the real not time circuit information of the Substation Bus Arrangement, low-pressure side bus in transformer station, main transformer and load are determined
The each affiliated electrical areas of unit, specifically include：According to the real not time circuit information of the Substation Bus Arrangement, transformer station is set
Electrical areas mark belonging to interior each bar low-pressure side bus, each main transformer and each load cell；According to the electrical areas
Mark determines the corresponding electrical areas of low-pressure side bus, main transformer and load cell in transformer station；
Wherein, for each bar low-pressure side bus, the method to set up of the electrical areas mark belonging to which includes：By the first bus of low pressure
Affiliated electrical areas mark is set to any integer value in addition to 0；For first, second bus of low pressure bus connection switch and
Its first, second disconnecting link, if three is in "on" position simultaneously, the electrical areas mark belonging to the second bus of low pressure is set to the
Electrical areas mark belonging to one bus；If "on" position, the electric area belonging to the second bus of low pressure are in when three is different
Domain identifier is set to any number in addition to 0, and the electrical areas mark with the first bus now is differed；
According to the low-pressure side bus, main transformer and load cell be located electrical areas, adjustment automatic safety device each
Adjust in off-load strategy the load cell of excision.
2. the off-load method of the automatic safety device based on GOOSE information according to claim 1, it is characterised in that institute
Stating the step of control automatic safety device nets the real not time circuit information of acquisition Substation Bus Arrangement by GOOSE includes：
Control automatic safety device nets the real not time circuit information for obtaining electrical main connecting wire in transformer station by GOOSE；
According to the real not time circuit information of the electrical main connecting wire, the folding of the on high-tension side switch of main transformer and disconnecting link is therefrom extracted
Information, the folding information of the switch and disconnecting link of low-pressure side, the folding information of the bus connection switch and disconnecting link of low-pressure side bus and each
The folding information of the switch and disconnecting link of load cell.
3. the off-load method of the automatic safety device based on GOOSE information according to claim 2, it is characterised in that root
According to the real not time circuit information of the electrical main connecting wire, the folding information of the on high-tension side switch of main transformer and disconnecting link is therefrom extracted,
The folding information of the switch and disconnecting link of low-pressure side, the folding information of the bus connection switch and disconnecting link of low-pressure side bus and each load list
The step of folding information of the switch and disconnecting link of unit, includes：
According to the real not time circuit information of the electrical main connecting wire, therefrom extract the on high-tension side switch of main transformer, the first disconnecting link, the
The folding information of two disconnecting links, the 3rd disconnecting link；Wherein, first disconnecting link is the connection main transformer high side switch and high pressure
Disconnecting link between first bus, second disconnecting link is between the connection main transformer high side switch and the second bus of high pressure
Disconnecting link, the 3rd disconnecting link is the disconnecting link between the connection main transformer high side switch and main transformer；
According to the real not time circuit information of the electrical main connecting wire, therefrom extract the switch of main transformer low-pressure side, the first disconnecting link, the
The folding information of two disconnecting links, the 3rd disconnecting link；Wherein, first disconnecting link is the connection main transformer low-side switch and low pressure
Disconnecting link between first bus, second disconnecting link is between the connection main transformer low-side switch and the second bus of low pressure
Disconnecting link, the 3rd disconnecting link is the disconnecting link between the connection main transformer low-side switch and main transformer；
According to the real not time circuit information of the electrical main connecting wire, therefrom extract the bus connection switch of low-pressure side bus, the first disconnecting link, the
The folding information of two disconnecting links；Wherein, first disconnecting link is the disconnecting link between the connection bus connection switch and the first bus of low pressure,
Second disconnecting link is the disconnecting link between the connection bus connection switch and the second bus of low pressure；
According to the real not time circuit information of the electrical main connecting wire, the switch of each load cell, the first disconnecting link, the second knife are therefrom extracted
The folding information of lock, the 3rd disconnecting link；Wherein, first disconnecting link for connection load cell switch and the first bus of low pressure it
Between disconnecting link, second disconnecting link is the disconnecting link between connection load cell switch and the second bus of low pressure；Described 3rd
Disconnecting link is the disconnecting link between the connection load cell switch and load side.
4. the off-load method of the automatic safety device based on GOOSE information according to claim 1, it is characterised in that right
In each main transformer, the method to set up of its affiliated electrical areas mark includes：
If main transformer is in non-operating state, its affiliated electrical areas mark is set to numerical value 0；If main transformer is in operation
State, and the first disconnecting link of low-pressure side is in "on" position, no matter the then state of the second disconnecting link of low-pressure side, electric area belonging to which
Domain identifier is set to the mark of the electrical areas belonging to the first bus of low pressure；If main transformer is in running status, and low-pressure side first
Disconnecting link is in "on" position in gate-dividing state, the second disconnecting link, then its affiliated electrical areas mark is set to the second bus of low pressure institute
The electrical areas mark of category；
Wherein, differentiate that main transformer is in running status, following condition should be met simultaneously：
Condition one：The first disconnecting link of main transformer high-pressure side or the second disconnecting link are in "on" position；
Condition two：Main transformer high side switch is in "on" position；
Condition three：The 3rd disconnecting link of main transformer high-pressure side is in "on" position；
Condition four：The first disconnecting link of main transformer low-pressure side or the second disconnecting link are in "on" position；
Condition five：Main transformer low-side switch is in "on" position；
Condition six：The 3rd disconnecting link of main transformer low-pressure side is in "on" position.
5. the off-load method of the automatic safety device based on GOOSE information according to claim 1, it is characterised in that right
In each load cell, the method to set up of its affiliated electrical areas mark includes：
If load cell is in non-operating state, its affiliated electrical areas mark is set to numerical value 0；If load cell is in operation
State, and its first disconnecting link is in "on" position, no matter the then state of its second disconnecting link, its affiliated electrical areas mark sets
Electrical areas mark belonging to the first bus of low pressure；If load cell is in running status, and its first disconnecting link is in separating brake
State, the second disconnecting link are in "on" position, then its affiliated electrical areas mark is set to the electrical areas belonging to the second bus of low pressure
Mark；
Wherein, differentiate that load cell is in running status, following condition should be met simultaneously：
Condition one：The first disconnecting link of load cell or the second disconnecting link are in "on" position；
Condition two：Load cell switch is in "on" position；
Condition three：The 3rd disconnecting link of load cell is in "on" position.
6. the off-load method of the automatic safety device based on GOOSE information according to claim 1, it is characterised in that root
According to the electrical areas that the low-pressure side bus, main transformer and load cell are located, adjustment automatic safety device each off-load plan
Adjust in slightly excision load cell the step of include：
According to the low-pressure side bus, the mark of main transformer electrical areas corresponding with load cell, automatic safety device is adjusted
The low-voltage load sheding plan of the UFLS strategy of each low-voltage bus bar, the excessively stream off-load strategy of each main transformer and each low-voltage bus bar
Adjust in slightly the load cell of excision.
7. the off-load method of the automatic safety device based on GOOSE information according to claim 6, it is characterised in that：
For the excessively stream off-load strategy of each main transformer, if the affiliated electrical areas of main transformer are designated 0, the locking main transformer
Depressor excessively stream off-load strategy；If the affiliated electrical areas mark of main transformer is not 0, the main transformer excessively stream off-load strategy is adjusted
The object of excision identifies the load cell inconsistent with which not comprising electrical areas, only should identify comprising electrical areas consistent with which
Load cell；
For the UFLS strategy of each low-voltage bus bar, its UFLS strategy adjust excision object do not include electrical areas mark
Know the load cell inconsistent with which, only the load cell consistent with which is identified comprising electrical areas；
For the low-voltage load sheding strategy of each low-voltage bus bar, its low-voltage load sheding strategy adjust excision object do not include electrical areas mark
Know the load cell inconsistent with which, only the load cell consistent with which is identified comprising electrical areas.
8. a kind of automatic safety device intelligence unloading system based on GOOSE information, it is characterised in that include：
Acquisition module, nets the real not time circuit information for obtaining Substation Bus Arrangement for controlling automatic safety device by GOOSE；
Determining module, for the real not time circuit information according to the Substation Bus Arrangement, determines low-pressure side bus in transformer station, master
The each affiliated electrical areas of transformator and load cell, specifically include：Believed according to the real not time circuit of the Substation Bus Arrangement
Breath, arranges the electrical areas mark belonging to each bar low-pressure side bus, each main transformer and each load cell in transformer station；According to
The electrical areas mark determines the corresponding electrical areas of low-pressure side bus, main transformer and load cell in transformer station；
Wherein, for each bar low-pressure side bus, the method to set up of the electrical areas mark belonging to which includes：By the first bus of low pressure
Affiliated electrical areas mark is set to any integer value in addition to 0；For first, second bus of low pressure bus connection switch and
Its first, second disconnecting link, if three is in "on" position simultaneously, the electrical areas mark belonging to the second bus of low pressure is set to the
Electrical areas mark belonging to one bus；If "on" position, the electric area belonging to the second bus of low pressure are in when three is different
Domain identifier is set to any number in addition to 0, and the electrical areas mark with the first bus now is differed；
Adjusting module, for the electrical areas being located according to the low-pressure side bus, main transformer and load cell, adjustment safety
Adjust in automaton each off-load strategy the load cell of excision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077155.XA CN104638769B (en) | 2015-02-12 | 2015-02-12 | Load shedding method and system for safety automatic device based GOOSE information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077155.XA CN104638769B (en) | 2015-02-12 | 2015-02-12 | Load shedding method and system for safety automatic device based GOOSE information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104638769A CN104638769A (en) | 2015-05-20 |
| CN104638769B true CN104638769B (en) | 2017-04-12 |
Family
ID=53217214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077155.XA Active CN104638769B (en) | 2015-02-12 | 2015-02-12 | Load shedding method and system for safety automatic device based GOOSE information |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104638769B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071382B (en) * | 2015-08-04 | 2017-10-20 | 广东电网有限责任公司电力调度控制中心 | Off-load method and system based on dispatch automated system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100395462B1 (en) * | 2003-01-20 | 2003-08-27 | Korea Ind Testing Co Ltd | Automatic remote operator for gamma-ray irradiator |
| CN101459336A (en) * | 2008-05-19 | 2009-06-17 | 河南省电力公司 | GOOSE mode network low frequency deloading method based on digital transmission network |
| CN102195291B (en) * | 2011-05-18 | 2013-04-10 | 江苏省电力公司苏州供电公司 | Automatically identifying control method for main transformer overload joining-cutting load based on running mode |
-
2015
- 2015-02-12 CN CN201510077155.XA patent/CN104638769B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104638769A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102508059B (en) | Topology error-preventing checking method based on intelligent identification of state of equipment | |
| CN106159759B (en) | A kind of method for automatically generating secondary system of intelligent substation maintenance safety measure | |
| CN103887879B (en) | Petal-shaped distribution protection control system | |
| CN106058829B (en) | A kind of fault protection system for distribution system | |
| CN103904779A (en) | Intelligent substation intelligent terminal analog device and using method thereof | |
| CN107293174B (en) | power distribution network fault judgment training evaluation method based on track array | |
| CN106936120A (en) | A kind of direct current network line fault protection method | |
| CN104331777A (en) | Error-preventing management system for county level power grid dispatching operation | |
| CN105024356B (en) | A kind of 35kV and following voltage class ratiometric dynamic formula bus bar protecting method | |
| CN101917062B (en) | Topological five misoperation prevention device device | |
| CN104638769B (en) | Load shedding method and system for safety automatic device based GOOSE information | |
| CN109149534B (en) | Method for rapidly diagnosing topological fault of power grid model based on DTS virtual switch | |
| CN109301937A (en) | A kind of scheduling substation accident resultant signal synthetic method and system | |
| CN112510654B (en) | Bus fault diagnosis method, system, readable medium and equipment | |
| CN207518284U (en) | A kind of accident disconnection device of small power incorporating into power network | |
| CN103616610A (en) | Simulation method of monitoring signals in power grid fault line | |
| CN104915520A (en) | Tripping logic simulating method for alternating current filters of direct-current converting station | |
| CN108173245A (en) | The implementation method of combined floodgate is thought highly of in open circuit in a kind of intelligent substation | |
| CN202034768U (en) | Microcomputer protective relaying device suitable for low voltage power distribution network and system thereof | |
| CN103633660A (en) | Subsection type AC (alternating current) overvoltage and overfrequency restraining method | |
| CN103944269B (en) | 10-kV grid distribution line pre-operating method and system | |
| CN203871923U (en) | Total-station intelligent terminal simulating device of intelligent transformer station | |
| CN104377649B (en) | Transformer neutral point grounding switch automatic switching method | |
| CN105991091B (en) | A kind of mobile detecting system for the test of High aititude photovoltaic plant grid adaptability | |
| CN113985184A (en) | Test method, device and system for direct current distribution network protection device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |