CN106549383B - A kind of control system and THE UPFC of THE UPFC - Google Patents
A kind of control system and THE UPFC of THE UPFC Download PDFInfo
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- CN106549383B CN106549383B CN201610972231.8A CN201610972231A CN106549383B CN 106549383 B CN106549383 B CN 106549383B CN 201610972231 A CN201610972231 A CN 201610972231A CN 106549383 B CN106549383 B CN 106549383B
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- 230000005540 biological transmission Effects 0.000 claims description 24
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- 230000005945 translocation Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The embodiment of the invention discloses a kind of control system of THE UPFC and THE UPFCs; the control system of the THE UPFC includes: control unit; protection location and valve base control unit; the valve base control unit is connect with the protection location, which can directly transmit blocking order to the valve base control unit.Even if can also complete to be latched as a result, when control unit breaks down, to improve the reliability of system.
Description
Technical field
The present invention relates to technical field of electric power, and in particular to a kind of control system and Unified Power Flow of THE UPFC
Controller.
Background technique
THE UPFC (UPFC) is connected in parallel in power grid, is that a kind of powerful, excellent flexible AC is defeated
Electric system (FACTS).As shown in Figure 1, UPFC mainly include share direct lateral capacitance two current transformers (side current transformer in parallel and
Series side current transformer) and two transformers (side transformer and series side transformer in parallel), the side current transformer in parallel in left side, such as
STATCOM can effectively generate reactive current, and compensation system reactive power maintains the voltage of node, but to the electricity of power transmission line
Press compensation ability weaker, and the series side current transformer on right side, such as SSSC, the voltage of power transmission line can be effectively compensated for, is controlled defeated
The trend of electric wire, but it is not strong to the compensation ability of reactive current, two devices are integrated, existing very strong offset voltage energy
Power, and have the ability of very strong compensating power.In addition, UPFC further includes the control system for carrying out on-off control to current transformer
System.Although not being specifically illustrating, control system would generally include protection location, control unit and valve base control unit, wherein
Valve base control unit is unblocked for receiving the instruction that unblocks with controlling current transformer, and protection location passes through and UPFC is arranged in everywhere
Sensor monitors the working condition of UPFC, and notifies control unit in the event of a failure, and control unit is then responsible for sending unblocking
Instruct valve base control unit.
Protection location and control unit in most of UPFC control systems are integrated, reliability and flexibility deficiency；
Although protection location and control unit are discrete in some systems, protection location, which detects, to be needed to pass through control when failure
Unit locking processed, is equally that reliability is insufficient.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that how to improve the reliability of UPFC system.
For this purpose, the embodiment of the invention provides a kind of control system of THE UPFC, for the unified tide
The current transformer of stream controller carries out on-off control, comprising: control unit, for sending solution when compensating to transmission line of electricity
Lock instruction；When detecting faults itself, the first blocking order is sent；Protection location detects the Unified Power Flow for working as
When controller breaks down, the second blocking order is sent；Valve base control unit is connect with the protection location and control unit,
For passing through the closing THE UPFC when receiving first blocking order or second blocking order
Current transformer valve closes the current transformer；When only receiving the unlock instruction, by opening the current transformer valve come open-minded
The current transformer；When receiving blocking order and unlock instruction at the same time, the change is closed by closing the current transformer valve
Flow device.
Optionally, the protection location includes the first protection location and the second protection location, and when one of protection is single
When member is in running order, another protection location switches to stand-by state, another when one of protection location breaks down
A protection location switches to working condition.
Optionally, the valve base control unit includes the first valve base control unit and the second valve base control unit, and described the
One protection location is connect with the first valve base control unit and the second valve base control unit respectively, second protection location point
It is not connect with the first valve base control unit and the second valve base control unit, the first valve base control unit and the second valve base
Control unit is all connect with the current transformer valve.
Optionally, described control unit includes first control unit and the second control unit, the first control unit and
Second control unit interconnects, for obtaining the status information of other side, and when one of control unit is in running order
When, another control unit switches to stand-by state, when one of control unit breaks down, the switching of another control unit
To working condition.
Optionally, described control unit is side control unit or series side control unit in parallel.
The embodiment of the invention also provides a kind of THE UPFCs, with power transmission line parallel-connection, comprising: side transformation in parallel
Device, one end are connect with the transmission line of electricity；And translocation current transformer, one end connect with the other end of the side transformer in parallel
It connects；And translocation current transformer valve, one end are connect with the other end of the side in parallel current transformer, for controlling the side in parallel unsteady flow
The shutdown of device；Side control system in parallel is connect with described and translocation current transformer valve the other end, parallel connection side control system packet
It includes: side control unit in parallel, for sending the first unlock instruction, working as detection when carrying out reactive-current compensation to transmission line of electricity
When to faults itself, the first blocking order is sent；Side protection location in parallel detects the THE UPFC hair for working as
When raw failure, the second blocking order is sent；Side valve base control unit in parallel is controlled with the side protection location in parallel and side in parallel
Unit connection becomes for when receiving first blocking order and/or second blocking order, closing the side in parallel
Flow device valve；When only receiving first unlock instruction, the side in parallel current transformer valve is opened；Described is received at the same time
When one blocking order and/or the second blocking order and first unlock instruction, the side in parallel current transformer valve is closed；Series side
Transformer, one end are connect with the transmission line of electricity；Current transformer, the other end of one end and the series side transformer are surveyed in series connection
Connection；Current transformer valve is surveyed in series connection, and one end is connect with the other end of the series side current transformer, is become for controlling the series side
Flow the shutdown of device；Series side control system, the other end for surveying current transformer valve with the series connection are connect, the series side control system
It include: series side control unit, for the second unlock instruction being sent, when detecting when carrying out voltage compensation to transmission line of electricity
When faults itself, third blocking order is sent；Series side protection location detects that the THE UPFC occurs for working as
When failure, the 4th blocking order is sent；Series side valve base control unit, it is single with the series side control unit and series side protection
Member connection, for closing the series side current transformer valve when receiving the third blocking order or four blocking orders；?
When only receiving second unlock instruction, the series side current transformer valve is opened；The third locking is received at the same time to refer to
When order and/or the 4th blocking order and second unlock instruction, the series side current transformer valve is closed；Wherein, the parallel connection
Side protection location and the series side protection location interconnect, for when a side detects the failure wherein, to another
Side sends blocking order.
Optionally, the side protection location in parallel includes the first side protection location in parallel and the second side in parallel protection location,
The parallel connection side valve base control unit includes the first side valve base control unit in parallel and the second side valve base control unit in parallel, described
Side valve base control unit in parallel with described first and the second side valve base control unit in parallel connect first side in parallel protection location respectively
It connects, side valve base control unit in parallel with described first and the second side valve base control in parallel respectively of the described second side in parallel protection location
Unit connection, the first side valve base control unit in parallel and the second side valve base control unit in parallel all with the side unsteady flow in parallel
The connection of device valve；The series side protection location includes the first series side protection location and the second series side protection location, the string
Joining side valve base control unit includes the first series side valve base control unit and the second series side valve base control unit, first string
Connection side protection location is connect with the first series side valve base control unit and the second series side valve base control unit respectively, described
Second series side protection location connects with the first series side valve base control unit and the second series side valve base control unit respectively
It connects, the first series side valve base control unit and the second series side valve base control unit all connect with the series side current transformer valve
It connects.
Optionally, the side control unit in parallel includes the first side control unit in parallel and the second side in parallel control unit,
The first side control unit in parallel be connected on the described first side protection location in parallel and the first side valve base control unit in parallel it
Between, the described second side in parallel control unit is connected on the described second side protection location in parallel and the second side valve base control unit in parallel
Between；The series side control unit includes the first series side control unit and the second series side control unit, first string
Connection side control unit is connected between the first series side protection location and the first series side valve base control unit, and described second
Series side control unit is connected between the second series side protection location and the second series side valve base control unit；Wherein,
Described first side in parallel control unit is connect with the first series side control unit and the second series side control unit respectively, institute
It states the second side in parallel control unit to connect with the first series side control unit and the second series side control unit respectively, be used for
Any one of control unit is set to send blocking order to the described control unit of opposite side.
Optionally, the described first side control unit in parallel and the second side control unit in parallel interconnect, first string
Join side control unit and the second series side control unit interconnects, for obtaining the status information of other side, and works as one of them
When control unit is in running order, another control unit switches to stand-by state, when one of control unit breaks down
When, another control unit switches to working condition.
The control system and THE UPFC of the THE UPFC of the embodiment of the present invention, by making protection location
When detecting failure, without control unit, blocking order is directly transmitted to valve base control unit, even if so that single in control
It can also complete to be latched when member breaks down, to improve the reliability of system.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of existing structural schematic diagram of THE UPFC；
Fig. 2 is a kind of structural schematic diagram of the control system of THE UPFC of the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of THE UPFC of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another THE UPFC of the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 2, the embodiment of the invention provides a kind of control system 1 of THE UPFC, for unified
The current transformer of flow controller carries out on-off control, comprising:
Control unit 1A, for sending unlock instruction when compensating to transmission line of electricity；When detecting faults itself
When, send the first blocking order；
Protection location 1B, for sending the second blocking order when detecting that THE UPFC breaks down；
Valve base control unit 1C, connect with the protection location and control unit, for receiving first blocking order
Or when second blocking order, the current transformer is closed by closing the current transformer valve 3A of the THE UPFC；
When only receiving the unlock instruction, the current transformer is opened by opening the current transformer valve；It receives and closes at the same time
When lock instruction and unlock instruction, the current transformer is closed by closing the current transformer valve.
The control system of the THE UPFC of the embodiment of the present invention, by making protection location when detecting failure,
Without control unit, blocking order is directly transmitted to valve base control unit, even if so that when control unit breaks down
Locking can be completed, to improve the reliability of system.
Preferably, the protection location includes the first protection location and the second protection location, and when one of protection is single
When member is in running order, another protection location switches to stand-by state, another when one of protection location breaks down
A protection location switches to working condition, which thereby enhances the reliability of protection location.
In order to further improve the reliability, it is preferred that the valve base control unit includes the first valve base control unit and the
Two valve base control units, first protection location connect with the first valve base control unit and the second valve base control unit respectively
It connecing, second protection location is connect with the first valve base control unit and the second valve base control unit respectively, and described first
Valve base control unit and the second valve base control unit are all connect with the current transformer valve, and thus the reliability of valve base control unit obtains
To raising.
In order to further improve the reliability, it is preferred that described control unit includes that first control unit and the second control are single
Member, the first control unit and the second control unit interconnect, and for obtaining the status information of other side, and work as one of them
When control unit is in running order, another control unit switches to stand-by state, when one of control unit breaks down
When, another control unit switches to working condition, and thus the reliability of control unit is improved.
Optionally, described control unit is side control unit or series side control unit in parallel.When the control unit is simultaneously
Join side control unit, is mainly used for carrying out reactive-current compensation to transmission line of electricity；It is series side control when working as the control unit
Unit is mainly used for carrying out voltage compensation to transmission line of electricity.
As shown in figure 3, with power transmission line parallel-connection, route is defeated the embodiment of the invention provides a kind of THE UPFC
Access point voltage is U1, and output point voltage is Uc, is specifically included:
Side transformer 41 in parallel, one end are connect with the transmission line of electricity；
And translocation current transformer 40, one end are connect with the other end of the side in parallel transformer；
And translocation current transformer valve 31, one end connects with the other end of the side current transformer in parallel, for described in controlling simultaneously
Join the shutdown of side current transformer；
Side control system 10 in parallel is connect with described and translocation current transformer valve the other end, parallel connection side control system
Include:
Side control unit 13 in parallel, for sending the first unlock instruction when carrying out reactive-current compensation to transmission line of electricity,
When detecting faults itself, the first blocking order is sent；
Side protection location 11 in parallel is closed for when detecting that the THE UPFC breaks down, sending second
Lock instruction；
Side valve base control unit 12 in parallel connect with the side protection location in parallel and side in parallel control unit, is used for
When receiving first blocking order and/or second blocking order, the side in parallel current transformer valve is closed；Only receiving
When to first unlock instruction, the side in parallel current transformer valve is opened；Receive at the same time first blocking order and/or
When the second blocking order and first unlock instruction, the side in parallel current transformer valve is closed；
Series side transformer 51, one end are connect with the transmission line of electricity；
Current transformer 50 is surveyed in series connection, and one end is connect with the other end of the series side transformer；
Current transformer valve 32 is surveyed in series connection, and one end is connect with the other end of the series side current transformer, for controlling the string
Join the shutdown of side current transformer, and translocation current transformer valve 31 and series connection survey current transformer valve 32 and collectively form current transformer valve cell 30；
Series side control system 20, the other end for surveying current transformer valve with the series connection are connect, the series side control system
Include:
Series side control unit 23, for sending the second unlock instruction, working as inspection when carrying out voltage compensation to transmission line of electricity
When measuring faults itself, third blocking order is sent；
Series side protection location 21 is closed for when detecting that the THE UPFC breaks down, sending the 4th
Lock instruction；
Series side valve base control unit 22 is connect with the series side control unit and series side protection location, is used for
When receiving the third blocking order or four blocking orders, the series side current transformer valve is closed；It is described only receiving
When the second unlock instruction, the series side current transformer valve is opened；The third blocking order is received at the same time and/or the 4th is closed
When lock instruction and second unlock instruction, the series side current transformer valve is closed；
Wherein, the side protection location in parallel and the series side protection location interconnect, and examine for a side wherein
When measuring the failure, blocking order is sent to another party.
It is similar, the THE UPFC of the embodiment of the present invention, also by make protection location when detecting failure, no
By control unit, blocking order is directly transmitted to valve base control unit, even if so that also can when control unit breaks down
Locking is completed, to improve the reliability of system；Furthermore pass through the interconnection of side protection location and series side protection location in parallel,
Further improve reliability.
Further, the side in parallel of the THE UPFC can also include side in parallel lock 42, and setting becomes in side in parallel
Between depressor 41 and the input point of transmission line of electricity, which is connected with side in parallel protection location 11, and by the parallel connection side
The control of protection location and on-off.
Further, the series side of the THE UPFC can also include the first lock of series side 55, by series side
Protection location control, disconnects the disconnection that can lead to transmission line of electricity.
Further, the series side transformer 51 of the THE UPFC can be thyristor control transformer, play
The effect of static reactive specifically includes valve base electronic device unit 54, thyristor 53 and second lock of side in parallel 52, wherein
Valve base electronic device unit 54 is connect with the control electrode of series side valve base control unit 22 and thyristor 53 respectively, side second in parallel
Lock 52 is connected in parallel between the cathode and anode of thyristor 53, and second lock of parallel connection side 52 is by the control of series side protection location 21
System, thyristor 53 are mounted on the secondary side of series side transformer 51.
As shown in figure 4, being embodiment shown in Fig. 3 the embodiment of the invention provides another THE UPFC
On the basis of the improvement that carries out, same section repeats no more, further comprising:
Side control system 10 in parallel specifically includes: the side protection location in parallel of the first parallel connection side protection location 11A and second
11B, the first parallel connection side control unit 13A and the second parallel connection side control unit 13B, the first parallel connection side valve base control unit 12A and
Second side valve base control unit 12B in parallel；Wherein, the described first side protection location in parallel side valve base in parallel with described first respectively
Control unit is connected with the second side valve base control unit in parallel, and the described second side in parallel protection location is in parallel with described first respectively
Side valve base control unit is connected with the second side valve base control unit in parallel, and the described first side valve base control unit and second in parallel is simultaneously
Connection side valve base control unit is all connect with the side in parallel current transformer valve；
Series side control system 20 specifically includes: the first series side protection location 21A and the second series side protection location
21B, the first series side control unit 23A and the second series side control unit 23B, the first series side valve base control unit 22A and
Second series side valve base control unit 2B；Wherein, the first series side protection location respectively with the first series side valve base
Control unit is connected with the second series side valve base control unit, and the second series side protection location is connected with described first respectively
Side valve base control unit is connected with the second series side valve base control unit, the first series side valve base control unit and the second string
Connection side valve base control unit is all connect with the series side current transformer valve.
Optionally, the described first side in parallel control unit is connected on the described first side protection location in parallel and the first side in parallel
Between valve base control unit, the described second side in parallel control unit is connected on the described second side protection location in parallel and the second parallel connection
Between side valve base control unit.
Optionally, the first series side control unit is connected on the first series side protection location and the first series side
Between valve base control unit, the second series side control unit is connected on the second series side protection location and the second series connection
Between side valve base control unit.
Optionally, the described first side control unit in parallel respectively with the first series side control unit and the second series side
Control unit connection, the second side control unit in parallel respectively with the first series side control unit and the second series side control
Unit connection processed, for enabling any one of control unit to send blocking order to the described control unit of opposite side.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (9)
1. a kind of control system of THE UPFC carries out on-off control for the current transformer to the THE UPFC
System characterized by comprising
Control unit, for sending unlock instruction when compensating to transmission line of electricity；When detecting faults itself, send
First blocking order；
Protection location, for sending the second blocking order when detecting that the THE UPFC breaks down；
Valve base control unit is connect with the protection location and control unit, for receive first blocking order or
When second blocking order, the current transformer is closed by closing the current transformer valve of the THE UPFC；Only
When receiving the unlock instruction, the current transformer is opened by opening the current transformer valve；Locking is received at the same time to refer to
When enabling with unlock instruction, the current transformer is closed by closing the current transformer valve.
2. control system according to claim 1, which is characterized in that the protection location includes the first protection location and the
Two protection locations, and when one of protection location is in running order, another protection location switches to stand-by state, when it
In protection location when breaking down, another protection location switches to working condition.
3. control system according to claim 2, which is characterized in that the valve base control unit is controlled including the first valve base
Unit and the second valve base control unit, first protection location respectively with the first valve base control unit and the second valve base control
Unit connection processed, second protection location are connect with the first valve base control unit and the second valve base control unit respectively,
The first valve base control unit and the second valve base control unit are all connect with the current transformer valve.
4. control system according to any one of claim 1-3, which is characterized in that described control unit includes the first control
Unit processed and the second control unit, the first control unit and the second control unit interconnect, for obtaining the shape of other side
State information, and when one of control unit is in running order, another control unit switches to stand-by state, when wherein one
When a control unit breaks down, another control unit switches to working condition.
5. control system according to any one of claim 1-3, which is characterized in that described control unit is side control in parallel
Unit or series side control unit processed.
6. a kind of THE UPFC, with power transmission line parallel-connection characterized by comprising
Side transformer in parallel, one end are connect with the transmission line of electricity；
And translocation current transformer, one end are connect with the other end of the side in parallel transformer；
And translocation current transformer valve, one end are connect with the other end of the side in parallel current transformer, are become for controlling the side in parallel
Flow the shutdown of device；
Side control system in parallel is connect with described and translocation current transformer valve the other end, and parallel connection side control system includes:
Side control unit in parallel, for sending the first unlock instruction, working as detection when carrying out reactive-current compensation to transmission line of electricity
When to faults itself, the first blocking order is sent；
Side protection location in parallel, for sending the second blocking order when detecting that the THE UPFC breaks down；
Side valve base control unit in parallel is connect, for receiving with the side protection location in parallel and side in parallel control unit
When first blocking order and/or second blocking order, the side in parallel current transformer valve is closed；It is described only receiving
When the first unlock instruction, the side in parallel current transformer valve is opened；First blocking order is received at the same time and/or second is closed
When lock instruction and first unlock instruction, the side in parallel current transformer valve is closed；
Series side transformer, one end are connect with the transmission line of electricity；
Current transformer is surveyed in series connection, and one end is connect with the other end of the series side transformer；
Current transformer valve is surveyed in series connection, and one end is connect with the other end of the series side current transformer, is become for controlling the series side
Flow the shutdown of device；
Series side control system, the other end for surveying current transformer valve with the series connection are connect, and the series side control system includes:
Series side control unit, for when to transmission line of electricity carry out voltage compensation when, send the second unlock instruction, when detect from
It dies when hindering, sends third blocking order；
Series side protection location, for sending the 4th blocking order when detecting that the THE UPFC breaks down；
Series side valve base control unit is connect, for receiving with the series side control unit and series side protection location
When the third blocking order or four blocking orders, the series side current transformer valve is closed；Only receiving second solution
When lock instruction, the series side current transformer valve is opened；The third blocking order and/or the 4th blocking order are received at the same time
When with second unlock instruction, the series side current transformer valve is closed；
Wherein, the side protection location in parallel and the series side protection location interconnect, and detect for a side wherein
When the failure, blocking order is sent to another party.
7. THE UPFC according to claim 6, it is characterised in that:
The parallel connection side protection location includes the first side protection location in parallel and the second side in parallel protection location, the parallel connection side valve
Base control unit includes the first side valve base control unit in parallel and the second side valve base control unit in parallel, and the described first side in parallel is protected
Shield unit is connect with the described first side valve base control unit in parallel and the second side valve base control unit in parallel respectively, and described second simultaneously
Connection side protection location is connect with the described first side valve base control unit in parallel and the second side valve base control unit in parallel respectively, described
First side valve base control unit in parallel and the second side valve base control unit in parallel are all connect with the side in parallel current transformer valve；
The series side protection location includes the first series side protection location and the second series side protection location, the series connection side valve
Base control unit includes the first series side valve base control unit and the second series side valve base control unit, and first series side is protected
Shield unit is connect with the first series side valve base control unit and the second series side valve base control unit respectively, second string
Connection side protection location is connect with the first series side valve base control unit and the second series side valve base control unit respectively, described
First series side valve base control unit and the second series side valve base control unit are all connect with the series side current transformer valve.
8. THE UPFC according to claim 7, it is characterised in that:
The parallel connection side control unit includes the first side control unit in parallel and the second side in parallel control unit, and described first is in parallel
Side control unit is connected between the described first side protection location in parallel and the first side valve base control unit in parallel, and described second simultaneously
Connection side control unit is connected between the described second side protection location in parallel and the second side valve base control unit in parallel；
The series side control unit includes the first series side control unit and the second series side control unit, first series connection
Side control unit is connected between the first series side protection location and the first series side valve base control unit, second string
Connection side control unit is connected between the second series side protection location and the second series side valve base control unit；
Wherein, the described first side in parallel control unit is single with the first series side control unit and the control of the second series side respectively
Member connection, the second side control unit in parallel respectively with the first series side control unit and the second series side control unit
Connection, for enabling any one of control unit to send blocking order to the described control unit of opposite side.
9. THE UPFC according to claim 8, which is characterized in that the first side control unit in parallel and the
Two side control units in parallel interconnect, and the first series side control unit and the second series side control unit interconnect,
For obtaining the status information of other side, and when one of control unit is in running order, another control unit is switched to
Stand-by state, when one of control unit breaks down, another control unit switches to working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972231.8A CN106549383B (en) | 2016-10-31 | 2016-10-31 | A kind of control system and THE UPFC of THE UPFC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972231.8A CN106549383B (en) | 2016-10-31 | 2016-10-31 | A kind of control system and THE UPFC of THE UPFC |
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| CN106549383B true CN106549383B (en) | 2019-07-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414185A (en) * | 2013-07-26 | 2013-11-27 | 南京南瑞继保电气有限公司 | Unified power flow controller and control method thereof |
| CN104092234A (en) * | 2014-07-04 | 2014-10-08 | 南京南瑞继保电气有限公司 | High-reliability unified power flow controller suitable for double-circuit line |
| CN104134968A (en) * | 2014-08-05 | 2014-11-05 | 南京南瑞继保电气有限公司 | Protection method and system for unified power flow controller |
| CN105633917A (en) * | 2015-12-22 | 2016-06-01 | 南京南瑞继保电气有限公司 | Unified power flow controller-based fault processing method and system |
| CN105703376A (en) * | 2016-03-08 | 2016-06-22 | 全球能源互联网研究院 | Mixed type unified power flow controller |
| CN106026137A (en) * | 2016-05-30 | 2016-10-12 | 许继电气股份有限公司 | Alternating current line fault ride-through control method for unified power flow controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103414185A (en) * | 2013-07-26 | 2013-11-27 | 南京南瑞继保电气有限公司 | Unified power flow controller and control method thereof |
| CN104092234A (en) * | 2014-07-04 | 2014-10-08 | 南京南瑞继保电气有限公司 | High-reliability unified power flow controller suitable for double-circuit line |
| CN104134968A (en) * | 2014-08-05 | 2014-11-05 | 南京南瑞继保电气有限公司 | Protection method and system for unified power flow controller |
| CN105633917A (en) * | 2015-12-22 | 2016-06-01 | 南京南瑞继保电气有限公司 | Unified power flow controller-based fault processing method and system |
| CN105703376A (en) * | 2016-03-08 | 2016-06-22 | 全球能源互联网研究院 | Mixed type unified power flow controller |
| CN106026137A (en) * | 2016-05-30 | 2016-10-12 | 许继电气股份有限公司 | Alternating current line fault ride-through control method for unified power flow controller |
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