CN107317329A - A kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether - Google Patents
A kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether Download PDFInfo
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- CN107317329A CN107317329A CN201710575418.9A CN201710575418A CN107317329A CN 107317329 A CN107317329 A CN 107317329A CN 201710575418 A CN201710575418 A CN 201710575418A CN 107317329 A CN107317329 A CN 107317329A
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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
- 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
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
It is provided in an embodiment of the present invention that a kind of three-winding rectifier transformer and the individually controllable transmission system of power include altogether：Three-winding rectifier transformer, the first direct current component, the second direct current component；First direct current component is identical with the second direct current component circuit；First direct current component includes rectifier, inverter；The output end of rectifier connects the input of inverter；One input of rectifier connects an output end of inverter；Another input of the rectifier of first direct current component connects the first coil of three-winding rectifier transformer；Another input of the rectifier of second direct current component connects the second coil of three-winding rectifier transformer, pass through direct current component isolated operation, controlled in real time using progress of " rectification-inversion " process to active power in direct current transportation principle, the purpose to transmission line of electricity active power controller can be achieved, controllable power output is obtained from direct current component under three-winding rectifier transformer and the first direct current component, the coordination control of the second direct current component.
Description
Technical field
The present invention relates to field of distribution network, more particularly to a kind of three-winding rectifier transformer altogether and individually controllable defeated of power
Electric system.
Background technology
In traditional 380V low-voltage alternating-currents distribution system, distribution line is opened and cut off generally by automatic switch or plug-in strip
Switch is manipulated, as shown in Figure 1.Distribution line power output is distributed by nature trend, and is joined by line impedance, load
Count to determine.It is difficult to convey power to distribution line to be controlled in real time by mechanical switch.
In modern power systems, technology of transmission of electricity is mixed using alternating current-direct current.Direct current transportation principle is to first pass through fairing
Alternating current is changed into direct current, by the transmission of electricity of hundreds of kilometer or more long transmission line, then by inverter by direct current be changed into hand over
Stream electricity.One of sharpest edges of direct current transportation are exactly the size and Orientation for being capable of controlling transmission power in real time.
But this power transmission mode needs to carry out direct current transportation over long distances, in the case where ac transmission is in the majority, it is necessary to right
The circuit of script is transformed on a large scale, if without large-scale redevelopment, can not change the power of ac transmission.Therefore,
The power that prior art can not change ac transmission in the case of without large-scale redevelopment is those skilled in the art's needs
The technical problem of solution.
The content of the invention
The embodiments of the invention provide a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether, it is used for
The technical problem of power of ac transmission can not be changed in the case of without large-scale redevelopment by solving prior art.
The embodiment of the present invention provides a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether, including：
Three-winding rectifier transformer, the first direct current component, the second direct current component；First direct current component and second direct current component
Circuit is identical；First direct current component includes rectifier, inverter；
The output end of the rectifier connects the input of the inverter；
One input of the rectifier connects an output end of the inverter；
Another output end of the inverter is respectively connected with a low-voltage distributing line；
Another input of the rectifier of first direct current component connects the First Line of the three-winding rectifier transformer
Circle；
Another input of the rectifier of second direct current component connects the second line of the three-winding rectifier transformer
Circle；
The quantity of first direct current component and second direct current component is specially two or more；
The embodiment of the present invention also includes first coil bus and the second coil bus；
Another input of described two or the direct current component of two or more first rectifier is female by the first coil
Line connects the first coil of the three-winding rectifier transformer；
Another input of described two or the direct current component of two or more second rectifier is female by second coil
Line connects the second coil of the three-winding rectifier transformer.
Preferably, the embodiment of the present invention also includes D.C. resistance；
The output end of the rectifier connects the input of the inverter by the D.C. resistance.
Preferably, the embodiment of the present invention also includes the second converter power transformer；
Another output end of the inverter connects the low-voltage distributing line by second converter power transformer.
Preferably, the embodiment of the present invention also includes：With first direct current component and the second direct current component quantity sum phase
Same alternating current unit；
The alternating current unit includes alternating-current switch and alternating-current switch quantity identical branch ac bus；
One end of the alternating-current switch connects the tertiary coil of the three-winding rectifier transformer, the alternating-current switch it is another
One end and corresponding thereto branch's ac bus connection；
Another output end of the inverter is connected with low-voltage distributing line by branch's ac bus.
Preferably, the alternating-current switch is specially AC circuit breaker or automatic switch or knife switch.
Preferably, the rectifier DC side DC voltage EdrCalculation formula be：
Edr=K0(Er cosα-Xr)-RrID
Wherein, K0For the coefficient determined by the mode of connection of the commutating circuit of transverter, RrFor the flat ripple reactance of direct current and described
The first coil of three-winding rectifier transformer and the corresponding resistance of the loss of rectifier, IDFor DC current, EdrFor rectifier
DC side DC voltage, ErFor the alternating voltage root-mean-square valve of rectifier AC, α is Trigger Angle, the X of rectifierrFor three-winding
The commutating reactance of rectifier transformer.
Preferably, the inverter direct-flow side DC voltage EdiCalculation formula be：
Edi=K0(Ei cosβ+Xi+XL)+(Ri+RL)ID
Wherein, K0For the coefficient determined by the mode of connection of the commutating circuit of transverter, RiFor the flat ripple reactance of direct current and second
The corresponding resistance of loss of converter power transformer and inverter, IDFor DC current, EdiFor inverter direct-flow side DC voltage, Ei
For the alternating voltage root-mean-square valve of inverter ac side, β is the Trigger Angle of inverter, XiFor the commutation electricity of the second converter power transformer
It is anti-, RLAnd XLThe respectively resistance of transmission line of electricity and reactance.
Preferably, the DC current I of the rectifier outputDCalculation formula be：
Wherein, IDFor DC current, Edr、EdiRespectively rectifier, inverter direct-flow side DC voltage, R is D.C. resistance
Equivalent resistance.
Preferably, the embodiment of the present invention also includes substation bus bar；
The alternating-current switch connects the tertiary coil of the three-winding rectifier transformer by the substation bus bar.
Preferably, second converter power transformer is specially two coil converter power transformers.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The embodiment of the present invention includes：Three-winding rectifier transformer, the first direct current component, the second direct current component；Described first
Direct current component is identical with the second direct current component circuit；First direct current component includes rectifier, inverter；The rectification
The output end of device connects the input of the inverter；One input of the rectifier connects an output of the inverter
End；Another output end of the inverter is respectively connected with a low-voltage distributing line；The described two or direct current of two or more first
Another input of the rectifier of unit connects the first coil of the three-winding rectifier transformer；Described two or two or more
Another input of the rectifier of second direct current component connects the second coil of the three-winding rectifier transformer, passes through rectification
Device, D.C. resistance, inverter combinational circuit, controllable DC current is formed by the coordination control of rectifier and inverter；It is logical
Direct current component isolated operation is crossed, is controlled in real time using progress of " rectification-inversion " process to active power in direct current transportation principle
System, can be achieved the purpose to transmission line of electricity active power controller, to three-winding rectifier transformer and the first direct current component, second
Controllable power output is obtained from direct current component under the coordination control of direct current component.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the distribution line figure that existing switch is manipulated that the embodiment of the present invention is used to illustrate；
Fig. 2 is a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether provided in an embodiment of the present invention
One embodiment schematic diagram；
Fig. 3 is a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether provided in an embodiment of the present invention
Another embodiment schematic diagram；
Fig. 4 is a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether provided in an embodiment of the present invention
Another embodiment in direct current component equivalent circuit schematic diagram；
Wherein, reference is as follows：
1st, substation bus bar；2nd, three-winding rectifier transformer；3rd, rectifier；4th, D.C. resistance；5th, inverter；6th, second change
Convertor transformer；7th, alternating-current switch；8th, branch's ac bus；9th, first coil bus；10th, the second coil bus；11st, low-voltage distribution
Circuit.
Embodiment
The embodiments of the invention provide a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether, it is used for
The technical problem of power of ac transmission can not be changed in the case of without large-scale redevelopment by solving prior art.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Referring to Fig. 2, the embodiment of the present invention provides a kind of three-winding rectifier transformer and the individually controllable transmission of electricity of power altogether
One embodiment of system, including：Three-winding rectifier transformer 2, the first direct current component, the second direct current component；First direct current list
Member is identical with the second direct current component circuit；First direct current component includes rectifier 3, inverter 5；
The output end of rectifier 3 connects the input of inverter 5；
One input of rectifier 3 connects an output end of inverter 5；
Another output end of inverter 5 is respectively connected with a low-voltage distributing line 11；
It should be noted that another output end connection of each inverter 5 and only one low-voltage distributing line 11 of connection, he
Correspond, how many inverter is with regard to how many low-voltage distributing line 11.
The first coil of another input connection three-winding rectifier transformer 2 of the rectifier 3 of first direct current component；
Second coil of another input connection three-winding rectifier transformer 2 of the rectifier 3 of the second direct current component；
The quantity of first direct current component and the second direct current component is specially two or more；
The embodiment of the present invention also includes the coil bus 10 of first coil bus 9 and second；
Another input of the rectifier 3 of two or more the first direct current components is connected by first coil bus 9
The first coil of three-winding rectifier transformer 2；
Another input of the rectifier 3 of two or more the second direct current components is connected by the second coil bus 10
Second coil of three-winding rectifier transformer 2.
Here the rectifier 3 of the direct current component of rectifier 3 and first of the second direct current component is not same rectifier,
But the rectifier of the first direct current component and the second direct current component is respectively arranged at, its basic circuit is identical, is only another input
The connection at end is different.
Above is to a kind of three-winding rectifier transformer and the individually controllable transmission of electricity of power altogether provided in an embodiment of the present invention
One embodiment of system is explained in detail, below will be to a kind of three-winding rectifier transformer altogether provided in an embodiment of the present invention
And another embodiment of the individually controllable transmission system of power is explained in detail.
Referring to Fig. 3, the embodiment of the present invention provides a kind of three-winding rectifier transformer and the individually controllable transmission of electricity of power altogether
Another embodiment of system, including：Three-winding rectifier transformer 2, the first direct current component, the second direct current component；First direct current
Unit is identical with the second direct current component circuit；First direct current component includes rectifier 3, inverter 5；
The output end of rectifier 3 connects the input of inverter 5；
One input of rectifier 3 connects an output end of inverter 5；
Another output end of inverter 5 is connected with low-voltage distributing line 11；
Another input connection three-winding rectifier transformer 2 of the rectifier 3 of two or more the first direct current components
First coil；
Another input connection three-winding rectifier transformer 2 of the rectifier 3 of two or more the second direct current components
The second coil.
Here the rectifier 3 of the direct current component of rectifier 3 and first of the second direct current component is not same rectifier,
But the rectifier of the first direct current component and the second direct current component is respectively arranged at, its basic circuit is identical, is only another input
The connection at end is different.
The embodiment of the present invention also includes D.C. resistance 4；
The output end of rectifier 3 connects the input of inverter 5 by D.C. resistance 4.
The embodiment of the present invention also includes the second converter power transformer 6；
Another output end of inverter 5 connects low-voltage distributing line 11 by the second converter power transformer 6.
The embodiment of the present invention also includes：Exchange single with the first direct current component and the second direct current component quantity sum identical
Member；
Alternating current unit includes alternating-current switch 7 and alternating-current switch quantity identical branch ac bus 8；
The tertiary coil of one end connection three-winding rectifier transformer 2 of alternating-current switch 7, the other end of alternating-current switch 7 and with
Its corresponding branch's ac bus 8 is connected；
Another output end of inverter 5 is connected with low-voltage distributing line 11 by branch's ac bus 8.
Alternating-current switch 7 is specially AC circuit breaker or automatic switch or knife switch.
The embodiment of the present invention also includes substation bus bar 1；
Alternating-current switch 7 connects the tertiary coil of three-winding rectifier transformer 2 by substation bus bar 1.
The embodiment of the present invention also includes the coil bus 10 of first coil bus 9 and second；
Another input of the rectifier 3 of two or more the first direct current components is connected by first coil bus 9
The first coil of three-winding rectifier transformer 2；
Another input of the rectifier 3 of two or more the second direct current components is connected by the second coil bus 10
Second coil of three-winding rectifier transformer 2.
Second converter power transformer 6 is specially two coil converter power transformers.
Referring to Fig. 4, simplifying to the circuit of direct current component of the embodiment of the present invention, the first of general type can be obtained
The circuit (Fig. 4) of direct current component or the second direct current component.According to the circuit after simplification, it can derive that the calculating of some parameters is public
Formula.
Rectifier DC side DC voltage EdrCalculation formula be：
Edr=K0(Er cosα-Xr)-RrID
Wherein, K0For the coefficient determined by the mode of connection of the commutating circuit of transverter, RrFor the flat ripple reactance of direct current and three lines
Enclose the corresponding resistance of the loss of first coil and rectifier of rectifier transformer, IDFor DC current, EdrFor rectifier DC
Side DC voltage, ErFor the alternating voltage root-mean-square valve of rectifier AC, α is Trigger Angle, the X of rectifierrFor three-winding rectification
The commutating reactance of transformer.
Inverter direct-flow side DC voltage EdiCalculation formula be：
Edi=K0(Ei cosβ+Xi+XL)+(Ri+RL)ID
Wherein, K0For the coefficient determined by the mode of connection of the commutating circuit of transverter, RiFor the flat ripple reactance of direct current and second
The corresponding resistance of loss of converter power transformer and inverter, IDFor DC current, EdiFor inverter direct-flow side DC voltage, Ei
For the alternating voltage root-mean-square valve of inverter ac side, β is the Trigger Angle of inverter, XiFor the commutation electricity of the second converter power transformer
It is anti-, RLAnd XLThe respectively resistance of transmission line of electricity and reactance.
The DC current I of rectifier outputDCalculation formula be：
Wherein, IDFor DC current, Edr、EdiRespectively rectifier, inverter direct-flow side DC voltage, R is D.C. resistance
Equivalent resistance.
For each transmission line of electricity in power plant or transformer station, pass through the common three-winding rectifier transformer of equipment and power
It is individually controllable return back out line transmission system, realize that direct current component and alternating current unit exchange operation, it is standby each other.Direct current component exists
Pass through " rectification-inversion " process in very short distance, the manual control to power output is realized using direct current transportation principle, it is real
The power flowcontrol of existing AC transmission system.
Technical scheme is as follows：
It is total to three-winding rectifier transformer and the individually controllable line transmission systems that return back out of power by alternating current unit and direct current list more
Member is formed in parallel.Alternating current unit is made up of a breaker and its necessary disconnecting switch；Direct current component is by rectifier transformer, whole
Stream device, resistor, inverter and contravariant transformer are constituted, and the transverter of direct current component both can be used as rectifier, can also use
Make inverter.The real-time adjusting apparatus input of transmission line of electricity active power is connected with substation bus bar, output end and transmission line of electricity
It is connected.Realize that traditional natural trend is exported by alternating current unit, or the control to active power of output is reached by direct current component
System.
Three-winding rectifier transformer and individually controllable of power return back out line transmission system more, is to replace conventional circuit breaker altogether
One power electronic equipment.It includes AC circuit breaker, rectifier transformer, rectifier, resistor, inverter and inversion transformation
Device：Alternating current unit where AC circuit breaker is in parallel with the direct current component progress where commutation inversion unit, and by determine electric current, calmly
Voltage, the control mode for determining power realize artificial adjustment to Transmission Lines power.Pass through alternating current unit isolated operation, electricity
It will can be transmitted by traditional natural trend, active power distribution is determined by line impedance and load parameter completely；By straight
Unit isolated operation is flowed, is controlled in real time using progress of " rectification-inversion " process to active power in direct current transportation principle, can
Realize the purpose to transmission line of electricity active power controller.
The advantage of the invention is that：By carrying out innovative design to AC transmission system, by common three-winding rectifier transformer
And the individually controllable line transmission systems that return back out of power are carried between AC network bus and transmission line of electricity more, using in device
Alternating current unit realizes that the natural trend conveying of electric energy is standby each other with active power regulation with direct current component.When alternating current unit is independent
When operation and control, transmission line of electricity forms natural power according to the size power output of circuit and load impedance；Work as direct current component
During isolated operation, using determining electric current, determining voltage and determining the control method of power, the size of transmission line of electricity power output can be controlled
And direction, form controlled power.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether, it is characterised in that including：Three-winding is whole
Convertor transformer, the first direct current component, the second direct current component；First direct current component and the second direct current component circuit phase
Together；First direct current component includes rectifier, inverter；
The output end of the rectifier connects the input of the inverter；
One input of the rectifier connects an output end of the inverter；
Another output end of the inverter is respectively connected with a low-voltage distributing line；
Another input of the rectifier of first direct current component connects the first coil of the three-winding rectifier transformer；
Another input of the rectifier of second direct current component connects the second coil of the three-winding rectifier transformer；
Also include first coil bus and the second coil bus；
The quantity of first direct current component and second direct current component is specially two or more；
Another input of described two or the direct current component of two or more first rectifier is connected by the first coil bus
Connect the first coil of the three-winding rectifier transformer；
Another input of described two or the direct current component of two or more second rectifier is connected by second coil bus
Connect the second coil of the three-winding rectifier transformer.
2. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 1, it is special
Levy and be, in addition to D.C. resistance；
The output end of the rectifier connects the input of the inverter by the D.C. resistance.
3. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 1, it is special
Levy and be, in addition to the second converter power transformer；
Another output end of the inverter connects the low-voltage distributing line by second converter power transformer.
4. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 1, it is special
Levy and be, in addition to：With first direct current component and the second direct current component quantity sum identical alternating current unit；
The alternating current unit includes alternating-current switch and alternating-current switch quantity identical branch ac bus；
One end of the alternating-current switch connects the tertiary coil of the three-winding rectifier transformer, the other end of the alternating-current switch
Branch's ac bus connection corresponding thereto；
Another output end of the inverter is connected with low-voltage distributing line by branch's ac bus.
5. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 4, it is special
Levy and be, the alternating-current switch is specially AC circuit breaker or automatic switch or knife switch.
6. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 1, it is special
Levy and be, the rectifier DC side DC voltage EdrCalculation formula be：
Edr=K0(Ercosα-Xr)-RrID
Wherein, K0For the coefficient determined by the mode of connection of the commutating circuit of transverter, RrFor the flat ripple reactance of direct current and three line
Enclose the corresponding resistance of the loss of first coil and rectifier of rectifier transformer, IDFor DC current, EdrFor rectifier DC
Side DC voltage, ErFor the alternating voltage root-mean-square valve of rectifier AC, α is Trigger Angle, the X of rectifierrFor three-winding rectification
The commutating reactance of transformer.
7. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 6, it is special
Levy and be, the inverter direct-flow side DC voltage EdiCalculation formula be：
Edi=K0(Eicosβ+Xi+XL)+(Ri+RL)ID
Wherein, K0For the coefficient determined by the mode of connection of the commutating circuit of transverter, RiFor the flat ripple reactance of direct current and second change of current
The corresponding resistance of loss of transformer and inverter, IDFor DC current, EdiFor inverter direct-flow side DC voltage, EiTo be inverse
Become the alternating voltage root-mean-square valve of device AC, β is the Trigger Angle of inverter, XiFor the commutating reactance of the second converter power transformer, RL
And XLThe respectively resistance of transmission line of electricity and reactance.
8. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 7, it is special
Levy and be, the DC current I of the rectifier outputDCalculation formula be：
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<mi>I</mi>
<mi>D</mi>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>E</mi>
<mrow>
<mi>d</mi>
<mi>r</mi>
</mrow>
</msub>
<mo>-</mo>
<msub>
<mi>E</mi>
<mrow>
<mi>d</mi>
<mi>i</mi>
</mrow>
</msub>
</mrow>
<mi>R</mi>
</mfrac>
</mrow>
Wherein, IDFor DC current, Edr、EdiRespectively rectifier, inverter direct-flow side DC voltage, R for D.C. resistance etc.
Imitate resistance.
9. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 4, it is special
Levy and be, in addition to substation bus bar；
The alternating-current switch connects the tertiary coil of the three-winding rectifier transformer by the substation bus bar.
10. a kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether according to claim 3, it is special
Levy and be, second converter power transformer is specially two coil converter power transformers.
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| CN201710575418.9A CN107317329A (en) | 2017-07-14 | 2017-07-14 | A kind of three-winding rectifier transformer and the individually controllable transmission system of power altogether |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208076A (en) * | 2016-09-07 | 2016-12-07 | 广东工业大学 | Many feeder lines transmission system that a kind of active power is the most controlled |
| CN106208078A (en) * | 2016-09-07 | 2016-12-07 | 广东工业大学 | A kind of active power regulator control system controlled based on Multi-coil transformer and power |
| CN106208077A (en) * | 2016-09-07 | 2016-12-07 | 广东工业大学 | A kind of active power regulator control system controlled based on three-winding transformer and power |
| CN206099785U (en) * | 2016-10-08 | 2017-04-12 | 西南交通大学 | Electric Railway traction substation auxiliary power supply hands over directly friendship type power supply system structure |
-
2017
- 2017-07-14 CN CN201710575418.9A patent/CN107317329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208076A (en) * | 2016-09-07 | 2016-12-07 | 广东工业大学 | Many feeder lines transmission system that a kind of active power is the most controlled |
| CN106208078A (en) * | 2016-09-07 | 2016-12-07 | 广东工业大学 | A kind of active power regulator control system controlled based on Multi-coil transformer and power |
| CN106208077A (en) * | 2016-09-07 | 2016-12-07 | 广东工业大学 | A kind of active power regulator control system controlled based on three-winding transformer and power |
| CN206099785U (en) * | 2016-10-08 | 2017-04-12 | 西南交通大学 | Electric Railway traction substation auxiliary power supply hands over directly friendship type power supply system structure |
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Application publication date: 20171103 |