CN107846008A - A kind of termination - Google Patents
A kind of termination Download PDFInfo
- Publication number
- CN107846008A CN107846008A CN201610829639.XA CN201610829639A CN107846008A CN 107846008 A CN107846008 A CN 107846008A CN 201610829639 A CN201610829639 A CN 201610829639A CN 107846008 A CN107846008 A CN 107846008A
- Authority
- CN
- China
- Prior art keywords
- branch road
- contact
- breaker
- breaker connection
- bus
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Abstract
The invention discloses a kind of termination, described device includes：The branch road of breaker connection more than first, the branch road of breaker connection more than second, the first compensator and the first transmission line of electricity；Wherein, the branch road of breaker connection more than first and the branch road of breaker connection more than second are connected between the first bus and the second bus；First transmission line of electricity is connected to breaker connection branch road more than second；The output end of first compensator is connected to the branch road of breaker connection more than first and breaker connection branch road more than second；And first compensator output end and the contact of the branch road of breaker connection more than second, the contact of the first transmission line of electricity and the branch road of breaker connection more than two and the first bus and the contact of the second bus and the branch road of breaker connection more than second between be equipped with least one breaker；At least one breaker is provided between the contact and the first bus and the contact of the second bus and the branch road of breaker connection more than first of the output end of first compensator and the branch road of breaker connection more than first.
Description
Technical field
The present invention relates to connections technology, and in particular to a kind of termination.
Background technology
Flexible AC transmitting system (FACTS, Flexible Alternative Current Transmission
Systems series compensation device, paralleling compensating device and composite control apparatus) are included.Wherein, paralleling compensating device can be straight
The power network of the various grades of access, and series compensation device and composite control apparatus then need one end series connection to access power network.
All it is that a series transformer seals in one at present to the series compensation end of series compensation device and composite control apparatus
Bar transmission line of electricity.In many application scenarios, in the different circuit of different time sections series compensation power flow regulating ability can be made notable
Enhancing.And existing scheme is to be respectively connected to a series transformer in a plurality of transmission line of electricity, then gone by the output end of transverter
The series transformer of switching selection access.It is bypass fortune that such mode, which must cause any time always to have a series transformer,
OK, the wasting of resources and cost increase are caused；And when line attachment switches, it is necessary to will first enter again after package unit all power-off
Row operation, transverter can not accomplish the switching that do not have a power failure.And gone wrong in any circuit series side by-pass switch or transformer
When, the transmission line of electricity, which must accompany, to stop, and causes fault spread.
The content of the invention
To solve existing technical problem, the embodiment of the present invention it is expected to provide a kind of termination, can realized more
The timesharing series compensation of bar transmission line of electricity and the switching that do not have a power failure.
What the technical scheme of the embodiment of the present invention was realized in：
One side according to embodiments of the present invention, there is provided a kind of termination, described device include：By at least two open circuits
Device concatenates the branch road of breaker connection more than first to be formed, the breaker connection branch more than second formed is concatenated by least four breakers
Road, the first compensator and the first transmission line of electricity；Wherein,
The branch road of breaker connection more than first and the branch road of breaker connection more than second are connected to the first bus
And second between bus；
First transmission line of electricity is connected to the breaker connection branch road more than second；
The output end of first compensator is connected to the branch road of breaker connection more than first and described more than second
Breaker connection branch road；It is and the contact of the output end of first compensator and the branch road of breaker connection more than second, described
Contact and first bus and second bus and institute of first transmission line of electricity with the branch road of breaker connection more than two
State and be equipped with least one breaker between the contact of the branch road of breaker connection more than second；
The output end of first compensator and the contact of the branch road of breaker connection more than first and first bus
And at least one breaker is provided between the contact of second bus and the branch road of breaker connection more than first.
In such scheme, the contact on the branch road of breaker connection more than second is from first bus to the described second mother
The direction of line includes successively：It is contact between first bus and the branch road of breaker connection more than second, described first defeated
Electric line and the contact, first compensator and the breaker connection branch more than second of the branch road of breaker connection more than second
Contact between the contact on road and second bus and the branch road of breaker connection more than second；
Or contact, first compensator and institute between first bus and the branch road of breaker connection more than second
State contact, the contact of first transmission line of electricity and the branch road of breaker connection more than second of the branch road of breaker connection more than second
Contact between second bus and the branch road of breaker connection more than second.It is breaking more than described second in such scheme
Contact on device wiring branch road includes successively from first bus to the direction of second bus：First bus and institute
State contact, first transmission line of electricity and the branch road of breaker connection more than second between the branch road of breaker connection more than second
The contact and second bus and more than described second of contact, first compensator and the branch road of breaker connection more than second
Contact between breaker connection branch road, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the breaker connection branch more than second
Breaker between the contact of the contact on road and first compensator and the branch road of breaker connection more than second closes, described
First transmission line of electricity and the contact of the branch road of breaker connection more than second and first bus and the breaker more than second
Breaker between the contact of wiring branch road disconnects, the contact of first compensator and the branch road of breaker connection more than second
Breaker between the contact of second bus and the branch road of breaker connection more than second disconnects.
In such scheme, the contact on the branch road of breaker connection more than second is from first bus to the described second mother
The direction of line includes successively：Contact, first benefit between first bus and the branch road of breaker connection more than second
Repay the contact, first transmission line of electricity and the breaker connection branch more than second of device and the branch road of breaker connection more than second
Contact between the contact on road and second bus and the branch road of breaker connection more than second, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the breaker connection branch more than second
Breaker between the contact of the contact on road and first compensator and the branch road of breaker connection more than second closes, described
First compensator connects with the contact of the branch road of breaker connection more than second and first bus with the breaker more than second
Breaker between the contact of line branch road disconnects, the contact of first transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of second bus and the branch road of breaker connection more than second disconnects.
In such scheme, described device also includes：Second transmission line of electricity；
Second transmission line of electricity is connected to the breaker connection branch road more than second；
And the contact of second transmission line of electricity and the branch road of breaker connection more than second, first transmission line of electricity with
The contact of the branch road of breaker connection more than second, the output end of first compensator and the breaker connection branch more than second
Between the contact on road and the contact of first bus and second bus and the branch road of breaker connection more than second
Provided with least one breaker.
In such scheme, the branch of breaker connection more than second route four breakers and concatenates to be formed；
And the contact on the branch road of breaker connection more than second is from first bus to the direction of second bus
Include successively：Contact, first transmission line of electricity between first bus and the branch road of breaker connection more than second with
Contact, first compensator of the branch road of breaker connection more than second connect with the branch road of breaker connection more than second
The contact and second bus and more than described second of point, second transmission line of electricity and the branch road of breaker connection more than second
Contact between breaker connection branch road；
Or contact between first bus and the branch road of breaker connection more than second, second transmission line of electricity with
Contact, first compensator of the branch road of breaker connection more than second connect with the branch road of breaker connection more than second
The contact and second bus and more than described second of point, first transmission line of electricity and the branch road of breaker connection more than second
Contact between breaker connection branch road.
In such scheme, the contact on the branch road of breaker connection more than second is from first bus to the described second mother
The direction of line includes successively：It is contact between first bus and the branch road of breaker connection more than second, described first defeated
Electric line and the contact, first compensator and the breaker connection branch more than second of the branch road of breaker connection more than second
The contact on road, the contact of second transmission line of electricity and the branch road of breaker connection more than second and second bus with it is described
Contact between the branch road of breaker connection more than second, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the breaker connection branch more than second
Breaker between the contact of the contact on road and first compensator and the branch road of breaker connection more than second closes, described
First transmission line of electricity and the contact of the branch road of breaker connection more than second and first bus and the breaker more than second
Breaker between the contact of wiring branch road disconnects；The contact of first compensator and the branch road of breaker connection more than second
Breaker between the contact of second transmission line of electricity and the branch road of breaker connection more than second disconnects；
During to the second transmission line of electricity series compensation, second transmission line of electricity and the breaker connection branch more than second
Breaker between the contact of the contact on road and first compensator and the branch road of breaker connection more than second closes, described
Second transmission line of electricity and the contact of the branch road of breaker connection more than second and second bus and the breaker more than second
Breaker between the contact of wiring branch road disconnects；The contact of first compensator and the branch road of breaker connection more than second
Breaker between the contact of first transmission line of electricity and the branch road of breaker connection more than second disconnects.
In such scheme, the contact on the branch road of breaker connection more than second is from first bus to the described second mother
The direction of line includes successively：It is contact between first bus and the branch road of breaker connection more than second, described second defeated
Electric line and the contact, first compensator and the breaker connection branch more than second of the branch road of breaker connection more than second
The contact on road, the contact of first transmission line of electricity and the branch road of breaker connection more than second and second bus with it is described
Contact between the branch road of breaker connection more than second, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the breaker connection branch more than second
Breaker between the contact of the contact on road and first compensator and the branch road of breaker connection more than second closes, described
First transmission line of electricity and the contact of the branch road of breaker connection more than second and second bus and the breaker more than second
Breaker between the contact of wiring branch road disconnects；The contact of first compensator and the branch road of breaker connection more than second
Breaker between the contact of second transmission line of electricity and the branch road of breaker connection more than second disconnects；
During to the second transmission line of electricity series compensation, second transmission line of electricity and the breaker connection branch more than second
Breaker between the contact of the contact on road and first compensator and the branch road of breaker connection more than second closes；It is described
Second transmission line of electricity and the contact of the branch road of breaker connection more than second and first bus and the breaker more than second
Breaker between the contact of wiring branch road disconnects, the contact of first compensator and the branch road of breaker connection more than second
Breaker between the contact of first transmission line of electricity and the branch road of breaker connection more than second disconnects.
In such scheme, when first bus and the equal normal operation of second bus, the breaker more than first connects
All breakers on line branch road close；
When first bus or second bus-bar fault, distance fault is female on the branch road of breaker connection more than first
The nearest breaker of line disconnects.
In such scheme, during the first compensator failure, first compensator and the breaker connection more than first
The breaker that the contact of branch road is nearest disconnects；
Contact and first transmission line of electricity and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the branch road of breaker connection more than second disconnects；
Contact and second transmission line of electricity and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the branch road of breaker connection more than second disconnects.
In such scheme, described device also includes：Series transformer, first compensator pass through the series transformer
It is connected with the branch road of breaker connection more than first and the branch road of breaker connection more than second；Wherein,
The series transformer connects the side winding of first compensator, by star-like or angle-style the mode of connection with
The first compensator connection；The side winding of the series transformer connection transmission line of electricity, the wiring side connected by split-phase
Formula is connected with the branch road of breaker connection more than first and the branch road of breaker connection more than second.
In such scheme, described device also includes：Bypass elements, the bypass elements connect located at the series transformer
The side of the branch road of breaker connection more than first and the branch road of breaker connection more than second, for first compensator event
During barrier, bypass isolation is carried out to first compensator.
In such scheme, described device also includes：Second compensator；
Second compensator is connected with first compensator, the output end of second compensator and more than described first
Breaker connection branch road is connected or the breaker with being connected with triple bus-bar is connected；And second compensator and more than described first
The contact of breaker connection branch road and first bus or second bus and the branch road of breaker connection more than first
At least one breaker is provided between contact.
In such scheme, described device also includes：Shunt transformer, second compensator pass through the shunt transformer
Connected with the branch road of breaker connection more than first or the breaker being connected with the triple bus-bar.In such scheme, described
The connecting point position and second compensator and more than described first of one compensator and the branch road of breaker connection more than first are breaking
The connecting point position of device wiring branch road is identical or different.
In such scheme, first compensator or second compensator are transverter.
The embodiment of the present invention provides a kind of termination, and described device includes：Concatenate what is formed by least two breakers
The branch road of breaker connection more than first, the branch road of breaker connection more than second formed, the first compensation are concatenated by least four breakers
Device and the first transmission line of electricity；Wherein, the branch road of breaker connection more than first and the branch road of breaker connection more than second difference
It is connected between the first bus and the second bus；First transmission line of electricity is connected to the breaker connection branch road more than second；
The output end of first compensator is connected to the branch road of breaker connection more than first and the breaker more than second connects
Line branch road；And the contact of the output end of first compensator and the branch road of breaker connection more than second, first transmission of electricity
The contact and first bus and second bus and more than described second of circuit and the branch road of breaker connection more than two
At least one breaker is equipped between the contact of breaker connection branch road；The output end of first compensator and described first
The contact of more breaker connection branch roads and first bus and second bus and the breaker connection branch road more than first
Contact between be provided with least one breaker.In this way, by the way that the first compensator is connected into breaker branch road more than two, realize and mend
Repay timesharing series compensation of the device to two lines road, and during circuit switching device need not power-off, improve the flexibility, reliable of power network
Property and security.
Brief description of the drawings
Fig. 1 is a kind of structure composition schematic diagram of termination of the embodiment of the present invention；
Fig. 2 is the structural representation of another termination in the embodiment of the present invention；
Fig. 3 is that the side winding that series transformer is connected with compensator in the embodiment of the present invention is illustrated using star-connection
Figure；
Fig. 4 is the wiring construction schematic diagram that parallel connection of embodiment of the present invention side connects other buses；
Fig. 5 is the wiring construction schematic diagram of double back double-circuit in the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Fig. 1 is a kind of structure composition schematic diagram of termination of the embodiment of the present invention；As shown in figure 1, described device includes：
The branch road of breaker connection more than first 101 formed is concatenated by least two breakers, by least four breakers concatenates what is formed
The branch road 102 of breaker connection more than second, the first compensator 103 and the first transmission line of electricity 104；Wherein,
The branch road of breaker connection more than first 101 and the branch road of breaker connection more than second 102 are connected to
Between one bus 105 and the second bus 106；
First transmission line of electricity 104 is connected to the branch road of breaker connection more than second 102；
The output end of first compensator 103 is connected to the branch road of breaker connection more than first 101 and described
The branch road of breaker connection more than second 102；And the output end of first compensator 103 and the breaker connection branch road more than second
The contact and first mother of 102 contact, first transmission line of electricity 104 with the branch road of breaker connection more than two 102
It is equipped between the contact of line 105 and second bus 106 and the branch road of breaker connection more than second 102 at least one disconnected
Road device；
The contact of the output end of first compensator 103 and the branch road of breaker connection more than first 101, with described the
It is provided between the contact of one bus 105 and second bus 106 and the branch road of breaker connection more than first 101 at least one
Breaker.
Here, first compensator 103 can be transverter；First bus 105 and second bus 106 are
Power station or the usable total wire of transformer station's conveying electricity, by the electrical energy transportation that it exports generator, transformer etc. to each
User or other electric substations.
In embodiments of the present invention, the branch road of breaker connection more than second 102 is specifically 4/3rds breaker connections
Branch road, the contact on the branch road of breaker connection more than second 102 is from first bus 105 to second bus 106
Direction includes successively：Contact between first bus 105 and the branch road of breaker connection more than second 102, described first
Contact, first compensator 103 and more than described second of transmission line of electricity 104 and the branch road of breaker connection more than second 102
Connecing between the contact of breaker connection branch road 102 and second bus 106 and the branch road of breaker connection more than second 102
Point；
Or contact between first bus 105 and the branch road of breaker connection more than second 102, first compensation
The contact of device 103 and the branch road of breaker connection more than second 102, first transmission line of electricity 104 and more than described second are breaking
Contact between the contact of device wiring branch road 102 and second bus 106 and the branch road of breaker connection more than second 102.
Here, the branch road of breaker connection more than second 102 is concatenated by four breakers forms, specifically by breaker S1,
S2, S3, S4 concatenation form.Contact on the branch road of breaker connection more than second 102 is from first bus 105 to described
The direction of two buses 106 includes successively：Connecing between first bus 105 and the branch road of breaker connection more than second 102
Point, the contact of first transmission line of electricity 104 and the branch road of breaker connection more than second 102, first compensator 103 with
The contact and second bus 106 of the branch road of breaker connection more than second 102 and the breaker connection branch road more than second
Contact between 102, including：
During to 104 series compensation of the first transmission line of electricity, first transmission line of electricity 104 and the breaker more than second
Between the contact of the contact of wiring branch road 102 and first compensator 103 and the branch road of breaker connection more than second 102
Breaker closes, contact and first mother of first transmission line of electricity 104 with the branch road of breaker connection more than second 102
Breaker between the contact of line 105 and the branch road of breaker connection more than second 102 disconnects, first compensator 103 with
The contact and second bus 106 of the branch road of breaker connection more than second 102 and the breaker connection branch road more than second
Breaker between 102 contact disconnects.For example, during to the first 104 series compensation of transmission line of electricity, when first transmission line of electricity
104 and the contact of the branch road of breaker connection more than second 102 when being between breaker S1 and S2, then by breaker more than second
Breaker S1 and S3 on wiring branch road 102 disconnect, and breaker S2 closes, when first transmission line of electricity 104 and described second
Described in when the contact of more breaker connection branch roads 102 is between breaker S2 and S3 on the branch road of breaker connection more than second 102
Breaker S2 and S4 disconnect, breaker S3 closes；In this way, reach first compensator 103 to first transmission line of electricity
The purpose of 104 series compensations.
Contact on the branch road of breaker connection more than second 102 is from first bus 105 to second bus 106
Direction include successively：Contact between first bus 105 and the branch road of breaker connection more than second 102, described
Contact, first transmission line of electricity 104 and described second of one compensator 103 and the branch road of breaker connection more than second 102
Between the contact of more breaker connection branch roads 102 and second bus 106 and the branch road of breaker connection more than second 102
Contact, including：
During to 104 series compensation of the first transmission line of electricity, first transmission line of electricity 104 and the breaker more than second
Between the contact of the contact of wiring branch road 102 and first compensator 103 and the branch road of breaker connection more than second 102
Breaker closes, contact and first bus of first compensator 103 with the branch road of breaker connection more than second 102
Breaker between 105 and the contact of the branch road of breaker connection more than second 102 disconnects, first transmission line of electricity 104 with
The contact and second bus 106 of the branch road of breaker connection more than second 102 and the breaker connection branch road more than second
Breaker between 102 contact disconnects.For example, during to the first 104 series compensation of transmission line of electricity, when first transmission line of electricity
104 and the contact of the branch road of breaker connection more than second 102 when being between breaker S2 and S3, then by breaker more than second
Breaker S1 and S3 on wiring branch road 102 disconnect, and breaker S2 closes, when first transmission line of electricity 104 and described second
Described in when the contact of more breaker connection branch roads 102 is between breaker S3 and S4 on the branch road of breaker connection more than second 102
Breaker S2 and S4 disconnect, breaker S3 closes；In this way, first compensator 103 reaches to first transmission line of electricity
The purpose of 104 series compensations.
Fig. 2 is the structural representation of another termination in the embodiment of the present invention, as shown in Fig. 2 described device is also wrapped
Include：Second transmission line of electricity 107；Second transmission line of electricity 107 is connected to the branch road of breaker connection more than second 102；And institute
State contact, first transmission line of electricity 104 and the institute of the second transmission line of electricity 107 and the branch road of breaker connection more than second 102
State the contact of the branch road of breaker connection more than second 102, the output end of first compensator 103 connects with the breaker more than second
The contact of line branch road 102 and first bus 105 and second bus 106 and the breaker connection branch more than second
At least one breaker is equipped between the contact on road 102.
Here, the branch road of breaker connection more than second 102 is concatenated by four breakers forms；Specifically by breaker S1,
S2, S3, S4 are in series.Wherein, the contact on the branch road of breaker connection more than second 102 from first bus 105 to
The direction of second bus 106 includes successively：First bus 105 and the branch road of breaker connection more than second 102 it
Between contact, the contact of first transmission line of electricity 104 and the branch road of breaker connection more than second 102, first compensation
The contact of device 103 and the branch road of breaker connection more than second 102, second transmission line of electricity 107 and more than described second are breaking
Contact between the contact of device wiring branch road 102 and second bus 106 and the branch road of breaker connection more than second 102；
Or contact between first bus 105 and the branch road of breaker connection more than second 102, second transmission of electricity
The contact of circuit 107 and the branch road of breaker connection more than second 102, first compensator 103 and more than described second are breaking
The contact of device wiring branch road 102, second transmission line of electricity 107 and the branch road of breaker connection more than second 102 contact and
Contact between second bus 106 and the branch road of breaker connection more than second 102；
Wherein, the contact on the branch road of breaker connection more than second 102 is from first bus 105 to the described second mother
The direction of line 106 includes successively：Contact, institute between first bus 105 and the branch road of breaker connection more than second 102
State the contact of the first transmission line of electricity 104 and the branch road of breaker connection more than second 102, first compensator 103 with it is described
The contact of the branch road of breaker connection more than second 102, second transmission line of electricity 107 and the breaker connection branch road more than second
Contact between 102 contact and second bus 106 and the branch road of breaker connection more than second 102, including：
During to 104 series compensation of the first transmission line of electricity, first transmission line of electricity 104 and the breaker more than second
Between the contact of the contact of wiring branch road 102 and first compensator 103 and the branch road of breaker connection more than second 102
Breaker closes, contact and first mother of first transmission line of electricity 104 with the branch road of breaker connection more than second 102
Breaker between the contact of line 105 and the branch road of breaker connection more than second 102 disconnects；First compensator 103 with
The contact and second transmission line of electricity 107 of the branch road of breaker connection more than second 102 and the breaker connection more than second
Breaker between the contact of branch road 102 disconnects；
During to 107 series compensation of the second transmission line of electricity, second transmission line of electricity 107 and the breaker more than second
Between the contact of the contact of wiring branch road 102 and first compensator 103 and the branch road of breaker connection more than second 102
Breaker closes, contact and second mother of second transmission line of electricity 107 with the branch road of breaker connection more than second 102
Breaker between the contact of line 106 and the branch road of breaker connection more than second 102 disconnects；First compensator 103 with
The contact and first transmission line of electricity 104 of the branch road of breaker connection more than second 102 and the breaker connection more than second
Breaker between the contact of branch road 102 disconnects.For example, when first transmission line of electricity 104 connects with the breaker more than second
The contact of line branch road 102 is between breaker S1 and S2, second transmission line of electricity 107 and the breaker connection more than second
The contact of branch road 102 is between breaker S3 and S4, first compensator 103 and the breaker connection branch road more than second
102 contact is between breaker S2 and S3, during to the first 104 series compensation of transmission line of electricity, is then connect breaker more than second
Breaker S1 and S3 on line branch road 102 disconnect, and breaker S2 closes；During to the second 107 series compensation of transmission line of electricity, then by
Breaker S2 and S4 on the branch road of breaker connection more than two 102 disconnect, and breaker S3 closes., can using above-mentioned control mode
Realize the purpose for the switching circuit that do not have a power failure.
Contact on the branch road of breaker connection more than second 102 is from first bus 105 to second bus 106
Direction include successively：Contact between first bus 105 and the branch road of breaker connection more than second 102, described
Contact, first compensator 103 and described second of two transmission lines of electricity 107 and the branch road of breaker connection more than second 102
The contact of more breaker connection branch roads 102, first transmission line of electricity 104 and the branch road of breaker connection more than second 102
Contact between contact and second bus 106 and the branch road of breaker connection more than second 102, including：
During to 104 series compensation of the first transmission line of electricity, first transmission line of electricity 104 and the breaker more than second
Between the contact of the contact of wiring branch road 102 and first compensator 103 and the branch road of breaker connection more than second 102
Breaker closes, contact and second mother of first transmission line of electricity 104 with the branch road of breaker connection more than second 102
Breaker between the contact of line 106 and the branch road of breaker connection more than second 102 disconnects；First compensator 103 with
The contact and second transmission line of electricity 107 of the branch road of breaker connection more than second 102 and the breaker connection more than second
Breaker between the contact of branch road 102 disconnects；
During to 107 series compensation of the second transmission line of electricity, second transmission line of electricity 107 and the breaker more than second
Between the contact of the contact of wiring branch road 102 and first compensator 103 and the branch road of breaker connection more than second 102
Breaker closes, contact and first mother of second transmission line of electricity 107 with the branch road of breaker connection more than second 102
Breaker between the contact of line 105 and the branch road of breaker connection more than second 102 disconnects；First compensator 103 with
The contact and first transmission line of electricity 104 of the branch road of breaker connection more than second 102 and the breaker connection more than second
Breaker between the contact of branch road 102 disconnects.For example, when first transmission line of electricity 104 connects with the breaker more than second
The contact of line branch road 102 is between breaker S3 and S4, second transmission line of electricity 107 and the breaker connection more than second
The contact of branch road 102 is between breaker S1 and S2, first compensator 103 and the breaker connection branch road more than second
102 contact is between breaker S2 and S3, during to the first 104 series compensation of transmission line of electricity, is then connect breaker more than second
Breaker S2 and S4 on line branch road 102 disconnect, and breaker S3 closes；During to the second 107 series compensation of transmission line of electricity, then by
Breaker S1 and S3 on the branch road of breaker connection more than two 102 disconnect, and breaker S2 closes., can using above-mentioned control mode
Realize the purpose for the switching circuit that do not have a power failure.
In embodiments of the present invention, first bus 104 and during the 105 equal normal operation of the second bus, described
All breakers on the branch road of breaker connection more than one 101 close so that the first compensator 103 can be multibreak by described first
Road device wiring branch road 101 obtains electric energy from the bus 106 of the first bus 105 and second；First bus 104 or described
During two 105 failures of bus, the breaker that distance fault bus is nearest on the branch road of breaker connection more than first 101 disconnects, institute
Other breakers stated on the branch road of breaker connection more than first 101 close.In this way, control first compensator 103 passes through
The branch road of breaker connection more than first 101 is isolated with fault bus.
In embodiments of the present invention, when the failure of the first compensator 103 or circuit are without series compensation, described first mends
Device 103 is repaid to disconnect with the nearest breaker of the contact of the branch road of breaker connection more than first 101；First compensator 103
Connect with the contact of the branch road of breaker connection more than second 102 and first transmission line of electricity 104 with the breaker more than second
Breaker between the contact of line branch road 102 disconnects；First compensator 103 and the breaker connection branch road more than second
Breaker between the contact of 102 contact and second transmission line of electricity 107 and the branch road of breaker connection more than second 102
Disconnect；Contact, second transmission line of electricity of first transmission line of electricity 104 and the branch road of breaker connection more than second 102
It is disconnected between 107 and the contact and the bus 106 of first bus 105 and second of the branch road of breaker connection more than second 102
Road device closes.In this way, using above-mentioned control mode, first bus 105 and second bus 106 can be made to described first
Transmission line of electricity 104 and second transmission line of electricity 107 are transmitted electricity.In this way, will not be exited because of the element fault on the device or actively,
And cause transmission line of electricity power failure phenomenon to occur, substantially increase the reliability and security of transmission line of electricity.
In embodiments of the present invention, described device also includes：Series transformer T1, first compensator 103 pass through institute
Series transformer T1 is stated to be connected with the branch road of breaker connection more than first 101 and the branch road of breaker connection more than second 102；
Wherein,
The side winding of series transformer T1 connections first compensator 103, passes through star-like or angle-style wiring
Mode is connected with first compensator 103, the side winding of the series transformer T1 connections transmission line of electricity, passes through split-phase string
The mode of connection of connection is connected with the branch road of breaker connection more than first 101 and the branch road of breaker connection more than second 102.
Here, the star-shaped mode of connection refers to, one end of three phase mains winding or load is all connected together composition
The neutral conductor, the other end draw three phase lines.The mode of connection of the angle-style refers to, by each phase power supply or loads head and the tail phase successively
Even, and by each connected point draw, as three phase lines of three-phase electricity, also, in embodiments of the present invention, the series connection becomes
Depressor T1 is not limited to double winding, but comprises at least one group of compensator side winding and line side winding.
Fig. 3 is that the side winding that series transformer is connected with compensator in the embodiment of the present invention is illustrated using star-connection
Figure；The specific star-like mode of connection is as shown in figure 3, three phase lines drawn from first compensator 103, wherein one connects
Ground, two other are respectively connected to the branch road of breaker connection more than first 101 and the branch road of breaker connection more than second 102.Pass through control
Breaker on the branch road of breaker connection more than second 102, to transmission line of electricity series compensation；It is described first multibreak by controlling
Breaker on road device wiring branch road 101, the first compensator obtain electric energy from the first bus and/or the second bus.
In embodiments of the present invention, described device also includes：Bypass elements (are not drawn into) in figure, and the bypass elements are located at
The series transformer T1 connections branch road of breaker connection more than first 101 and the branch road of breaker connection more than second 102
Side, during for 103 failure of the first compensator, bypass isolation is carried out to first compensator 103.
In embodiments of the present invention, described device also includes：Second compensator 108, second compensator 108 with it is described
First compensator 103 is connected, and the output end of second compensator 108 and the branch road of breaker connection more than first 101
Connection or the breaker with being connected with triple bus-bar are connected；And second compensator 108 and the breaker connection more than first
The contact of branch road 101 and first bus 105 or second bus 106 and the branch road of breaker connection more than first 102
Contact between be provided with least one breaker.
Here, second compensator 108 can specifically be connected to breaker connection branch more than first by shunt transformer T2
On road 101 or it is connected to and is connected with the breaker of triple bus-bar, also, second compensator 108 and described first multibreak
The connecting point position of road device wiring branch road 101 and first compensator 103 connect with the branch road of breaker connection more than first 101
Point position is identical or different, is specifically not intended to limit.
Fig. 4 is the wiring construction schematic diagram that parallel connection of embodiment of the present invention side connects other buses；Second compensator 108
The structure for being connected to the breaker for being connected with triple bus-bar is as shown in Figure 4.
Device described in the embodiment of the present invention can be also expanded to a plurality of/multi circuit transmission lines application scenarios by combining, specifically
As shown in figure 5, the wiring schematic diagram of double back double-circuit in the embodiment of the present invention is shown in Fig. 5, wherein, in the first bus 105
Two groups of wiring constructions are connected between second bus 106, one of which is the breaker connection branch road more than first
101st, the branch road of breaker connection more than second 102, first compensator 103, the first transmission line of electricity 104 and the second transmission line of electricity
107；Another set be the ＇ of the branch road of breaker connection more than first 101, the ＇ of the branch road of breaker connection more than second 102, it is described first compensation
The ＇ of device 103, the ＇ of the first transmission line of electricity 104 and the ＇ of the second transmission line of electricity 107, and two groups of wiring constructions and the knot in Fig. 1, Fig. 2 and Fig. 3
Structure is similar, and something in common is not repeating, and can refer to above-mentioned Fig. 1, Fig. 2 and Fig. 3 description, and difference is, two groups of wiring knots
Structure can share one group of shunt transformer T2 and the second compensator 108, and the connection knot of shunt transformer T2 and the second compensator 108
Structure can refer to above-mentioned Fig. 3 description.The benefit of attachment structure shown in Fig. 5 is the compensator of the first compensator 103 and first
103 ＇ can be respectively connected to two groups of double back transmission lines 104,104 ＇ and 107,107 ＇ by way of timesharing, and can be with TURP
Change, so improve flexibility, the reliability and safety of FACTS access power networks, and implementation simple and flexible.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware
Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage
The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.).
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
The set manufacture of order dress, the command device are realized in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (16)
1. a kind of termination, it is characterised in that described device includes：It is multibreak that formed first is concatenated by least two breakers
Road device wiring branch road, the branch road of breaker connection more than second, the first compensator and first formed is concatenated by least four breakers
Transmission line of electricity；Wherein,
The branch road of breaker connection more than first and the branch road of breaker connection more than second are connected to the first bus and
Between two buses；
First transmission line of electricity is connected to the breaker connection branch road more than second；
The output end of first compensator is connected to the branch road of breaker connection more than first and described more than second breaking
Device wiring branch road；And the contact of the output end of first compensator and the branch road of breaker connection more than second, described first
The contact and first bus and second bus of transmission line of electricity and the branch road of breaker connection more than two and described the
At least one breaker is equipped between the contact of the branch road of breaker connection more than two；
The output end of first compensator and the contact of the branch road of breaker connection more than first and first bus and institute
State and be provided with least one breaker between the contact of the second bus and the branch road of breaker connection more than first.
2. device according to claim 1, it is characterised in that contact on the branch road of breaker connection more than second is from institute
State the direction of the first bus to second bus includes successively：First bus and the breaker connection branch road more than second
Between contact, the contact of first transmission line of electricity and the branch road of breaker connection more than second, first compensator with
Between the contact and second bus and the branch road of breaker connection more than second of the branch road of breaker connection more than second
Contact；
Or contact between first bus and the branch road of breaker connection more than second, first compensator and described the
The contact and institute of the contact of the branch road of breaker connection more than two, first transmission line of electricity with the branch road of breaker connection more than second
State the contact between the second bus and the branch road of breaker connection more than second.
3. device according to claim 2, it is characterised in that contact on the branch road of breaker connection more than second is from institute
State the direction of the first bus to second bus includes successively：First bus and the breaker connection branch road more than second
Between contact, the contact of first transmission line of electricity and the branch road of breaker connection more than second, first compensator with
Between the contact and second bus and the branch road of breaker connection more than second of the branch road of breaker connection more than second
Contact, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of contact and first compensator and the branch road of breaker connection more than second closes, and described first
Transmission line of electricity and the contact of the branch road of breaker connection more than second and first bus and the breaker connection more than second
Breaker between the contact of branch road disconnects, contact and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the second bus and the branch road of breaker connection more than second disconnects.
4. device according to claim 2, it is characterised in that contact on the branch road of breaker connection more than second is from institute
State the direction of the first bus to second bus includes successively：First bus and the breaker connection branch road more than second
Between contact, the contact of first compensator and the branch road of breaker connection more than second, first transmission line of electricity with
Between the contact and second bus and the branch road of breaker connection more than second of the branch road of breaker connection more than second
Contact, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of contact and first compensator and the branch road of breaker connection more than second closes, and described first
Compensator and the contact of the branch road of breaker connection more than second and first bus and the breaker connection branch more than second
Breaker between the contact on road disconnects, contact and institute of first transmission line of electricity with the branch road of breaker connection more than second
The breaker stated between the contact of the second bus and the branch road of breaker connection more than second disconnects.
5. device according to claim 1, it is characterised in that described device also includes：Second transmission line of electricity；
Second transmission line of electricity is connected to the breaker connection branch road more than second；
And the contact of second transmission line of electricity and the branch road of breaker connection more than second, first transmission line of electricity with it is described
Output end and the branch road of breaker connection more than second of the contact of the branch road of breaker connection more than second, first compensator
It is equipped between contact and the contact of first bus and second bus and the branch road of breaker connection more than second
At least one breaker.
6. device according to claim 5, it is characterised in that the branch of breaker connection more than second route four breakers
Concatenation is formed；
And the contact on the branch road of breaker connection more than second from first bus to the direction of second bus successively
Including：Contact, first transmission line of electricity between first bus and the branch road of breaker connection more than second with it is described
The contact of the branch road of breaker connection more than second, the contact of first compensator and the branch road of breaker connection more than second, institute
State the contact and second bus and more than described second breaking of the second transmission line of electricity and the branch road of breaker connection more than second
Contact between device wiring branch road；
Or contact between first bus and the branch road of breaker connection more than second, second transmission line of electricity with it is described
The contact of the branch road of breaker connection more than second, the contact of first compensator and the branch road of breaker connection more than second, institute
State the contact and second bus and more than described second breaking of the first transmission line of electricity and the branch road of breaker connection more than second
Contact between device wiring branch road.
7. device according to claim 6, it is characterised in that contact on the branch road of breaker connection more than second is from institute
State the direction of the first bus to second bus includes successively：First bus and the breaker connection branch road more than second
Between contact, the contact of first transmission line of electricity and the branch road of breaker connection more than second, first compensator with
Contact, second transmission line of electricity of the branch road of breaker connection more than second connect with the branch road of breaker connection more than second
Point and the contact between second bus and the branch road of breaker connection more than second, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of contact and first compensator and the branch road of breaker connection more than second closes, and described first
Transmission line of electricity and the contact of the branch road of breaker connection more than second and first bus and the breaker connection more than second
Breaker between the contact of branch road disconnects；Contact and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the second transmission line of electricity and the branch road of breaker connection more than second disconnects；
During to the second transmission line of electricity series compensation, second transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of contact and first compensator and the branch road of breaker connection more than second closes, and described second
Transmission line of electricity and the contact of the branch road of breaker connection more than second and second bus and the breaker connection more than second
Breaker between the contact of branch road disconnects；Contact and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the first transmission line of electricity and the branch road of breaker connection more than second disconnects.
8. device according to claim 6, it is characterised in that contact on the branch road of breaker connection more than second is from institute
State the direction of the first bus to second bus includes successively：First bus and the breaker connection branch road more than second
Between contact, the contact of second transmission line of electricity and the branch road of breaker connection more than second, first compensator with
Contact, first transmission line of electricity of the branch road of breaker connection more than second connect with the branch road of breaker connection more than second
Point and the contact between second bus and the branch road of breaker connection more than second, including：
During to the first transmission line of electricity series compensation, first transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of contact and first compensator and the branch road of breaker connection more than second closes, and described first
Transmission line of electricity and the contact of the branch road of breaker connection more than second and second bus and the breaker connection more than second
Breaker between the contact of branch road disconnects；Contact and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the second transmission line of electricity and the branch road of breaker connection more than second disconnects；
During to the second transmission line of electricity series compensation, second transmission line of electricity and the branch road of breaker connection more than second
Breaker between the contact of contact and first compensator and the branch road of breaker connection more than second closes；Described second
Transmission line of electricity and the contact of the branch road of breaker connection more than second and first bus and the breaker connection more than second
Breaker between the contact of branch road disconnects, contact and institute of first compensator with the branch road of breaker connection more than second
The breaker stated between the contact of the first transmission line of electricity and the branch road of breaker connection more than second disconnects.
9. device according to claim 1, it is characterised in that first bus and the equal normal operation of the second bus
When, all breakers on the branch road of breaker connection more than first close；
Distance fault bus is most when first bus or second bus-bar fault, on the branch road of breaker connection more than first
Near breaker disconnects.
10. device according to claim 5, it is characterised in that during the first compensator failure, first compensator
Disconnected with the nearest breaker of the contact of the branch road of breaker connection more than first；
The contact and first transmission line of electricity of first compensator and the branch road of breaker connection more than second and described the
Breaker between the contact of the branch road of breaker connection more than two disconnects；
The contact and second transmission line of electricity of first compensator and the branch road of breaker connection more than second and described the
Breaker between the contact of the branch road of breaker connection more than two disconnects.
11. device according to claim 1, it is characterised in that described device also includes：Series transformer, described first
Compensator passes through the series transformer and the branch road of breaker connection more than first and the breaker connection branch road more than second
Connection；Wherein,
The series transformer connects the side winding of first compensator, by star-like or angle-style the mode of connection with it is described
First compensator connects；The side winding of series transformer connection transmission line of electricity, by the mode of connection that split-phase is connected with
The branch road of breaker connection more than first connects with the branch road of breaker connection more than second.
12. device according to claim 11, it is characterised in that described device also includes：Bypass elements, the bypass member
Part connects the branch road of breaker connection more than first and the branch road of breaker connection more than second located at the series transformer
Side, during for the first compensator failure, bypass isolation is carried out to first compensator.
13. device according to claim 1, it is characterised in that described device also includes：Second compensator；
Second compensator is connected with first compensator, the output end of second compensator and more than described first breaking
Device wiring branch road is connected or the breaker with being connected with triple bus-bar is connected；And second compensator and more than described first breaking
The contact of the contact of device wiring branch road and first bus or second bus and the branch road of breaker connection more than first
Between be provided with least one breaker.
14. device according to claim 13, it is characterised in that described device also includes：Shunt transformer, described second
Compensator passes through the shunt transformer and the branch road of breaker connection more than first or the open circuit being connected with the triple bus-bar
Device connects.
15. device according to claim 13, it is characterised in that first compensator connects with the breaker more than first
The connecting point position of line branch road and second compensator are identical with the connecting point position of the branch road of breaker connection more than first or not
Together.
16. the device according to claim 1 or 13, it is characterised in that first compensator or second compensator
It is transverter.
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| CN201610829639.XA CN107846008A (en) | 2016-09-18 | 2016-09-18 | A kind of termination |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126210A (en) * | 1994-10-24 | 1996-05-17 | Kawasaki Heavy Ind Ltd | Parallel off control device for commercial power supply linkage private generator |
| US5734256A (en) * | 1995-05-31 | 1998-03-31 | General Electric Company | Apparatus for protection of power-electronics in series compensating systems |
| JPH11299087A (en) * | 1998-04-09 | 1999-10-29 | Hitachi Ltd | Bus protecting system for spot network power receiving equipment |
| US20030111907A1 (en) * | 2001-12-14 | 2003-06-19 | Mitsubishi Denki Kabushiki Kaisha | Cross current compensation control system for a power system |
| KR20070010832A (en) * | 2005-07-20 | 2007-01-24 | 한국전력공사 | Apparatus for switching of load |
| CN102959818A (en) * | 2010-06-30 | 2013-03-06 | Abb技术有限公司 | An hvdc switchyard and an hvdc switchyard system |
| CN103972875A (en) * | 2013-01-31 | 2014-08-06 | 南京南瑞继保电气有限公司 | Device and control method for limiting line current or implementing current interruption |
| CN105356308A (en) * | 2015-10-28 | 2016-02-24 | 国家电网公司 | Double-bus wiring structure |
| CN206323138U (en) * | 2016-09-18 | 2017-07-11 | 国网江苏省电力公司经济技术研究院 | A kind of termination |
-
2016
- 2016-09-18 CN CN201610829639.XA patent/CN107846008A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126210A (en) * | 1994-10-24 | 1996-05-17 | Kawasaki Heavy Ind Ltd | Parallel off control device for commercial power supply linkage private generator |
| US5734256A (en) * | 1995-05-31 | 1998-03-31 | General Electric Company | Apparatus for protection of power-electronics in series compensating systems |
| JPH11299087A (en) * | 1998-04-09 | 1999-10-29 | Hitachi Ltd | Bus protecting system for spot network power receiving equipment |
| US20030111907A1 (en) * | 2001-12-14 | 2003-06-19 | Mitsubishi Denki Kabushiki Kaisha | Cross current compensation control system for a power system |
| KR20070010832A (en) * | 2005-07-20 | 2007-01-24 | 한국전력공사 | Apparatus for switching of load |
| CN102959818A (en) * | 2010-06-30 | 2013-03-06 | Abb技术有限公司 | An hvdc switchyard and an hvdc switchyard system |
| CN103972875A (en) * | 2013-01-31 | 2014-08-06 | 南京南瑞继保电气有限公司 | Device and control method for limiting line current or implementing current interruption |
| CN105356308A (en) * | 2015-10-28 | 2016-02-24 | 国家电网公司 | Double-bus wiring structure |
| CN206323138U (en) * | 2016-09-18 | 2017-07-11 | 国网江苏省电力公司经济技术研究院 | A kind of termination |
Non-Patent Citations (1)
| Title |
|---|
| 唐晓勇;侯亚梅;: "3/2断路器接线的运行分析及保护配置", 电力建设, no. 01 * |
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