CN106202726B - A kind of point is to the back-to-back analogue system of net high voltage ac/dc and method - Google Patents
A kind of point is to the back-to-back analogue system of net high voltage ac/dc and method Download PDFInfo
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Abstract
The present invention provides a kind of points to the back-to-back analogue system of net high voltage ac/dc and method, and the analogue system includes: point is to net module, back-to-back module and AC module；The point includes heavy-duty generator and the first converter power transformer to net module；The AC module includes alternative electric generation transmission of electricity power distribution unit and the second converter power transformer；The back-to-back module includes first converter power transformer, second converter power transformer, the first convertor unit and the second convertor unit；The heavy-duty generator is electrically connected with first converter power transformer, the first converter power transformer electrical connection is electrically connected with first convertor unit, first convertor unit is electrically connected with second convertor unit, second convertor unit is electrically connected with second converter power transformer, and second converter power transformer is electrically connected with alternative electric generation transmission of electricity power distribution unit.
Description
Technical field
The present invention relates to for electrical domain, espespecially a kind of point is to the back-to-back analogue system of net high voltage ac/dc and method.
Background technique
North China is directly accessed power grid i.e. point there are a large amount of large sized unit over long distances and is passing to the power supply mode of net
For the point of system in net power supply mode, simulation analysis set steady problem uses the emulation mode of electromechanical transient.With direct current skill
The development of art, many DC transmission engineerings and large-capacity power electronic device put into operation in power grid, and large sized unit point connects net
The power supply mode for entering DC converter station starts to occur, and then brings high voltage direct current and point to the system to interact between net unit
Column problem.Traditional DC transmission system operating analysis uses electromagnetical transient emulation method, analyzes the machine used with set steady
Electric transient emulation method difference is larger, both emulation modes can not be made to be combined with each other.
Currently, having had alternating current-direct current bulk power grid electromagnetism/electromechanical transient simulation cover type subnetting method, but the method needle
It networks to general ac and dc systems.Form existing for North China's direct current transportation is more special, is back-to-back form, and tradition
Direct current transportation form it is also different, while there is also points to the plant-grid connection form of net, and emulation mode is also required to consider back-to-back
Two sides AC system influence.
Therefore, it is necessary to a kind of new emulation modes, can be in conjunction with electromechanical transient emulation method and electromagnetical transient emulation method
The advantages of, it is put and emulation back-to-back is mixed to net high voltage ac/dc.
Current alternating current-direct current bulk power grid electromagnetism/electromechanical transient simulation cover type subnetting system is illustrated in fig. 1 shown below, according to big
Alternating current-direct current bulk power grid is divided into three subnets by the voltage class in power grid.First subnet is put into electro-magnetic transient side, and to it
Electromagnetic transient simulation calculating is carried out, the second word net is put into electromechanical transient side, and electromechanical transient simulation calculating is carried out to it.First
The subnet part Chong Die with the second subnet, is denoted as third subnet, wherein include subnetting interface A and subnetting interface B, be each responsible for
First subnet and the second subnet carry out interface equivalent calculation.
In prior art, for putting to the back-to-back simulation analysis of net high voltage ac/dc, there are following two defects:
1, in alternative electric generation transmission of electricity distribution system, the mode of DC grid is not directly accessed to net comprising point.Great Rong
Amount generator point is directly accessed DC grid to net, and simulation analysis system and conventional alternative electric generation transmission of electricity distribution system are not
Together, it cannot equivalent be voltage source, can not equivalent be power source.
It 2, does not include back-to-back alternating current-direct current power grid operational mode in HVDC transmission system.High-voltage dc transmission
Electric system and back-to-back alternating current-direct current network system are two different systems, and operational mode and equivalent mode are different, can not
Back-to-back alternating current-direct current network system is emulated using HVDC transmission system.
Summary of the invention
It is an object of that present invention to provide a kind of points to the back-to-back analogue system of net high voltage ac/dc and method, solves existing skill
It can not effectively be simulated the problem of a little net high voltage ac/dc is emulated back-to-back in art.
In order to achieve the above object, point provided by the present invention specifically includes to the back-to-back analogue system of net high voltage ac/dc: point
To net module, back-to-back module and AC module；The point includes heavy-duty generator and the first converter power transformer to net module；
The AC module includes alternative electric generation transmission of electricity power distribution unit and the second converter power transformer；The back-to-back module includes described the
One converter power transformer, second converter power transformer, the first convertor unit and the second convertor unit；The heavy-duty generator with
The first converter power transformer electrical connection, the first converter power transformer electrical connection are electrically connected with first convertor unit, institute
It states the first convertor unit to be electrically connected with second convertor unit, second convertor unit and second converter power transformer electricity
Connection, second converter power transformer are electrically connected with alternative electric generation transmission of electricity power distribution unit.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that first converter power transformer provides
The point is to the first subnetting interface between net module and the back-to-back module；Second converter power transformer provides the friendship
The second subnetting interface between flow module and the back-to-back module.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that first converter power transformer and institute
State the data-interface that the second converter power transformer is electromechanical transient simulation and/or electromagnetic transient simulation.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that the point is to described in net module
Heavy-duty generator passes through the shafting model modeling of unit, carries out simulation analysis using the method for electromechanical transient simulation.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that described in the back-to-back module
First convertor unit and second convertor unit are emulated by valve group model modeling using the method for electromagnetic transient simulation
Analysis.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that the friendship in the AC module
Stream power generation transmission of electricity power distribution unit is analyzed by equivalent Method Modeling using the method for electromechanical transient simulation.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that first converter power transformer and institute
State the second converter power transformer and also separately include comparing unit, the comparing unit for distinguish collection point to net module with exchange mould
The electromagnetism that block carries out the electromechanical transient step-length of electromechanical transient simulation analysis and back-to-back module carries out electromagnetic transient simulation analysis is temporary
State step-length, and the electromechanical transient step-length and the electro-magnetic transient step-length generate comparison result.
In above-mentioned point in the back-to-back analogue system of net high voltage ac/dc, it is preferred that the analogue system also includes disturbance
Detection unit, the Disturbance Detection unit are used for the detection disturbance before electromagnetic transient simulation step-length starts and position occur.
The present invention also provides a kind of points to the back-to-back emulation mode of net high voltage ac/dc, and the emulation mode includes: step
One, electromechanical transient simulation analysis is carried out to net module and AC module to point respectively, it is imitative to carry out electro-magnetic transient to back-to-back module
True analysis；Step 2: voltage and current output data and back-to-back mould by the first converter power transformer offer heavy-duty generator
The data interaction of block；The voltage and current output data and back that alternative electric generation transmits electricity power distribution unit are provided by the second converter power transformer
The data interaction of backrest module；Step 3: carrying out electromagnetic transient simulation to the back-to-back module and monitoring electromagnetic transient simulation
Step-length cumulative length, when the step-length cumulative length plus next electromagnetic transient simulation step-length be greater than electromechanical transient simulation
Step-length when, the first converter power transformer and the first convertor unit carry out data interaction, the second converter power transformer and the second change of current list
Member carries out data interaction.
In above-mentioned point in the back-to-back emulation mode of net high voltage ac/dc, it is preferred that the emulation mode also includes: detection
Disturbance location；When disturbance will occur in next electromagnetic transient simulation step-length of back-to-back module, then in the step 3
After the middle electromagnetic transient simulation disturbed, the electromechanical transient simulation in the step 2 is being carried out；When disturbance will occur in a little
When in next electromechanical transient simulation step-length of net module or AC module, then it is imitative that electro-magnetic transient is carried out in the step 3
Very, and in the disturbance moment electromechanical transient simulation is carried out in step 2.
The beneficial technical effect of the present invention lies in: use converter power transformer as machine-electricity transient model and electrical-magnetic model
The method of subnetting interface from use ac bus different as the method at data exchange interface, use the two sides of transformer as machine
The subnetting interface of electric transient Model and electrical-magnetic model, the characteristic that cannot be mutated using magnetic flux in transformer are reduced electromechanical temporary
Data difference between the big step-length emulation of state and the multiple small step-length emulation of electro-magnetic transient, the data for being conducive to subnetting interface are handed over
It changes.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the cover type subnetting system schematic of existing direct current bulk power grid electromagnetism/electromechanical transient simulation；
Fig. 2 is point provided by the present invention to the back-to-back analogue system schematic diagram of net high voltage ac/dc；
Fig. 3 is point provided by the present invention to the back-to-back emulation mode flow diagram of net high voltage ac/dc；
Fig. 4 is point provided by the present invention to the back-to-back emulation mode process step schematic diagram of net high voltage ac/dc.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to embodiment and attached
Figure, is described in further details the present invention.Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention,
But it is not as a limitation of the invention.
It please refers to shown in Fig. 2, wherein converter power transformer A is the first converter power transformer, and converter power transformer B is second change of current change
Depressor, convertor unit A are the first convertor unit, and convertor unit B is the second convertor unit, and the above-mentioned first or second is only to be convenient for knowing
Not corresponding unit or module, do not limit its function and sequence.
In point provided by the present invention to the back-to-back analogue system of net high voltage ac/dc, specifically include: point is to net module, back
Backrest module and AC module；The point includes heavy-duty generator and the first converter power transformer to net module；The exchange mould
Block includes alternative electric generation transmission of electricity power distribution unit and the second converter power transformer；The back-to-back module includes first change of current transformation
Device, second converter power transformer, the first convertor unit and the second convertor unit；The heavy-duty generator is changed with described first
Convertor transformer electrical connection, the first converter power transformer electrical connection are electrically connected with first convertor unit, first change of current
Unit is electrically connected with second convertor unit, and second convertor unit is electrically connected with second converter power transformer, described
Second converter power transformer is electrically connected with alternative electric generation transmission of electricity power distribution unit.
In the above-described embodiments, first converter power transformer provide the point to net module and the back-to-back module it
Between the first subnetting interface；Second converter power transformer provides second between the AC module and the back-to-back module
Subnetting interface；That is, point between net module, back-to-back module and AC module three pass through the first converter power transformer and
Second converter power transformer carries out data interaction, wherein first converter power transformer and second converter power transformer are electromechanics
The data-interface of transient emulation and/or electromagnetic transient simulation.
In a preferred embodiment of the invention, the point passes through unit to the heavy-duty generator in net module
Shafting model modeling carries out simulation analysis using the method for electromechanical transient simulation；Described first in the back-to-back module changes
Unit and second convertor unit are flowed by valve group model modeling, and simulation analysis is carried out using the method for electromagnetic transient simulation；
Alternative electric generation transmission of electricity power distribution unit in the AC module is by equivalent Method Modeling, using electromechanical transient simulation
Method is analyzed；Wherein shaft system of unit is equivalent to several quality being connected with coefficient of elasticity by shaft system of unit model modeling
Block, and simulation analysis is carried out with this；And valve group is then equivalent to resistance switch model parallel connection damping circuit by valve group model modeling, etc.
Value Method Modeling is the model that alternative electric generation transmission of electricity power distribution unit is equivalent to ideal voltage source series impedance；It can lead in view of three
Prior art realization is crossed, for this purpose, the present invention is not described in detail herein.
With this, power grid is mixed to net high voltage ac/dc back-to-back it is decomposed into a little to net module, back-to-back module by that will put
With the subnetting method of AC module, and point the shafting model in net module using unit builds heavy-duty generator
Mould is analyzed using the method for electromechanical transient simulation；Commutation system is built using valve group model in back-to-back module
Mould is analyzed using the method for electromagnetic transient simulation；Using equivalent method to exchange transmission & distribution electric unit in AC module
It is modeled, is analyzed effectively to simulate real work midpoint using the method for electromechanical transient simulation and net high voltage ac/dc is carried on the back
Backrest mixing power grid simultaneously carries out accurate emulation testing.
In a preferred embodiment of the invention, first converter power transformer and second converter power transformer are also distinguished
Comprising comparing unit, the comparing unit carries out electromechanical transient simulation analysis to net module and AC module for distinguishing collection point
Electromechanical transient step-length and back-to-back module carry out the electro-magnetic transient step-length of electromagnetic transient simulation analysis, and it is more described it is electromechanical temporarily
State step-length and the electro-magnetic transient step-length generate comparison result；With this, when later period emulation testing, can select according to the comparison result
Suitable data exchange opportunity effectively improves the accuracy of emulation data and the reliability of post analysis.
In a preferred embodiment of the invention, the analogue system also includes Disturbance Detection unit, the Disturbance Detection
Unit is used for the detection disturbance before electromagnetic transient simulation step-length starts and position occurs.Wherein, the perturbation process specifically includes:
The model of disturbance is built in analogue system first, then when Disturbance Detection unit detects Disturbance Model, in analogue system
The timing of upper setting Disturbance Model, finally starts to emulate, it is sent out detected by disturbed detection unit before emulation starts for disturbance
Raw position.
It please refers to shown in Fig. 3 and Fig. 4, the present invention also provides the back-to-back analogue system of net high voltage ac/dc for above-mentioned point
To the back-to-back emulation mode of net high voltage ac/dc, the emulation mode includes for a kind of point: Step 1: respectively to point to net module and
AC module carries out electromechanical transient simulation analysis, carries out electromagnetic transient simulation analysis to back-to-back module；Step 2: passing through first
Converter power transformer provides the data interaction of the voltage and current output data and back-to-back module of heavy-duty generator；It is changed by second
Convertor transformer provides the data interaction of the voltage and current output data and back-to-back module of alternative electric generation transmission of electricity power distribution unit；Step
Three, electromagnetic transient simulation is carried out to the back-to-back module and monitors the step-length cumulative length of electromagnetic transient simulation, when the step
When long cumulative length is greater than the step-length of electromechanical transient simulation plus the step-length of next electromagnetic transient simulation, the first converter power transformer
Data interaction is carried out with the first convertor unit, the second converter power transformer and the second convertor unit carry out data interaction.
In the above-described embodiments, the emulation also includes: detection disturbance location；When disturbance will occur in back-to-back module
When in next electromagnetic transient simulation step-length, then after the electromagnetic transient simulation disturbed in the step 3, institute is being carried out
State the electromechanical transient simulation in step 2；A little next electromechanical transient of net module or AC module is imitated when disturbance will occur in
When in true step-length, then electromagnetic transient simulation is carried out in the step 3, and electromechanics is carried out in step 2 temporarily in the disturbance moment
State emulation.Specifically, being then when disturbance will occur in next electromagnetic transient simulation step-length of back-to-back module, then in institute
It states after carrying out disturbance simulation analysis in next electromagnetic transient simulation step-length of back-to-back module, then in the point to net mould
Electromechanical transient simulation analysis is carried out in block and the AC module；When disturbance will occur in a little under net module or AC module
When in one electromechanical transient simulation step-length, then electromagnetic transient simulation analysis is carried out in the back-to-back module, and in disturbance
The point is engraved on to progress electromechanical transient simulation analysis in net module and the AC module.
It is clearer explanation point provided by the present invention to the back-to-back emulation mode of net high voltage ac/dc, below in conjunction with Fig. 2
And Fig. 3 does overall flow explanation to above-mentioned emulation mode in real work:
In real work, carried out first Step 1: being generated electricity using shaft system of unit model to large capacity in point in net module
Machine carries out electromechanical transient simulation；In point in net module, it is temporary that electromagnetism is carried out to convertor unit A, convertor unit B using valve group model
State emulation；Electromechanical transient simulation is carried out to AC module；
Then, it carries out Step 2: simulation step length of the statistics point to net module, back-to-back module and AC module three, tool
Body is on putting each electromechanical transient simulation step-length to net module and AC module, and at subnetting interface A, large capacity generates electricity
Voltage and current output and the converter power transformer A of machine carry out data exchange；At subnetting interface B, the voltage and current of AC system is defeated
Data exchange is carried out with converter power transformer B out.
Then it carries out Step 3: carrying out the electromagnetic transient simulation of small step-length in back-to-back module, and carry out step-length accumulation
The calculating of length continues to emulate if not reaching the step-length of unit electromechanical transient simulation, if under upcoming
The sum of one small step-length and the cumulative length counted are by the step-length more than electromechanical transient simulation, then the back-to-back module is being divided
Data exchange is carried out with the voltage and current data of converter power transformer A and converter power transformer B at network interface A and subnetting interface B.
Finally before next simulation step length starts, detection disturbance.If disturbance will be walked in next electromagnetic transient simulation
It is long to occur in back-to-back system (CCC-0), then the emulation disturbed in next simulation step length in step 3, then carry out in step 2
Emulation；If disturbance will occur in point in next electromechanical transient simulation step-length in net system or AC system, in step
Normal state simulation is carried out in rapid three, and carries out the emulation in step 2 at the disturbance moment.
The beneficial technical effect of the present invention lies in: use converter power transformer as machine-electricity transient model and electrical-magnetic model
The method of subnetting interface from use ac bus different as the method at data exchange interface, use the two sides of transformer as machine
The subnetting interface of electric transient Model and electrical-magnetic model, the characteristic that cannot be mutated using magnetic flux in transformer are reduced electromechanical temporary
Data difference between the big step-length emulation of state and the multiple small step-length emulation of electro-magnetic transient, the data for being conducive to subnetting interface are handed over
It changes.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of point is to the back-to-back analogue system of net high voltage ac/dc, which is characterized in that the analogue system includes: point is to net mould
Block, back-to-back module and AC module；
The point includes heavy-duty generator and the first converter power transformer to net module；
The AC module includes alternative electric generation transmission of electricity power distribution unit and the second converter power transformer；
The back-to-back module includes first converter power transformer, second converter power transformer, the first convertor unit and the
Two convertor units；
The heavy-duty generator is electrically connected with first converter power transformer, first converter power transformer electrical connection with it is described
The electrical connection of first convertor unit, first convertor unit are electrically connected with second convertor unit, second convertor unit
It is electrically connected with second converter power transformer, second converter power transformer is electrically connected with alternative electric generation transmission of electricity power distribution unit
It connects；
First converter power transformer and second converter power transformer also separately include comparing unit, and the comparing unit is used for
Respectively collection point to net module and AC module carry out electromechanical transient simulation analysis electromechanical transient step-length and back-to-back module into
The electro-magnetic transient step-length of row electromagnetic transient simulation analysis, and the electromechanical transient step-length and the electro-magnetic transient step-length generate
Comparison result；
First converter power transformer and second converter power transformer are electromechanical transient simulation and/or electromagnetic transient simulation
Data-interface；
The analogue system also includes Disturbance Detection unit, and the Disturbance Detection unit in electromagnetic transient simulation step-length for starting
Position occurs for detection disturbance before.
2. point according to claim 1 is to the back-to-back analogue system of net high voltage ac/dc, which is characterized in that described first changes
Convertor transformer provides the point to the first subnetting interface between net module and the back-to-back module；Second change of current transformation
Device provides the second subnetting interface between the AC module and the back-to-back module.
3. point according to claim 1 is to the back-to-back analogue system of net high voltage ac/dc, which is characterized in that the point is to net
The heavy-duty generator in module passes through the shafting model modeling of unit, is emulated using the method for electromechanical transient simulation
Analysis.
4. point according to claim 1 is to the back-to-back analogue system of net high voltage ac/dc, which is characterized in that described back-to-back
First convertor unit and second convertor unit in module is by valve group model modeling, using electromagnetic transient simulation
Method carries out simulation analysis.
5. point according to claim 1 is to the back-to-back analogue system of net high voltage ac/dc, which is characterized in that the exchange mould
Alternative electric generation transmission of electricity power distribution unit in block is divided by equivalent Method Modeling using the method for electromechanical transient simulation
Analysis.
6. a kind of hand over net high pressure suitable for point of the point provided by claim 1 to the back-to-back analogue system of net high voltage ac/dc
DC back to back emulation mode, which is characterized in that the emulation mode includes:
Step 1: carrying out electromechanical transient simulation analysis to net module and AC module to point respectively, electricity is carried out to back-to-back module
The analysis of magnetic transient emulation；
Step 2: providing the voltage and current output data and back-to-back module of heavy-duty generator by the first converter power transformer
Data interaction；By the second converter power transformer provide alternative electric generation transmit electricity power distribution unit voltage and current output data and back-to-back
The data interaction of module；
Step 3: electromagnetic transient simulation is carried out to the back-to-back module and monitors the step-length cumulative length of electromagnetic transient simulation,
When the step-length cumulative length is greater than the step-length of electromechanical transient simulation plus the step-length of next electromagnetic transient simulation, first is changed
Convertor transformer and the first convertor unit carry out data interaction, and the second converter power transformer and the second convertor unit carry out data interaction；
The emulation mode also includes:
Detect disturbance location；
When disturbance will occur in next electromagnetic transient simulation step-length of back-to-back module, then carried out in the step 3
After the electromagnetic transient simulation of disturbance, the electromechanical transient simulation in the step 2 is being carried out；
When disturbance will occur in a little next electromechanical transient simulation step-length to net module or AC module, then in the step
Electromagnetic transient simulation is carried out in rapid three, and electromechanical transient simulation is carried out in step 2 in the disturbance moment.
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| CN201610545408.6A CN106202726B (en) | 2016-07-12 | 2016-07-12 | A kind of point is to the back-to-back analogue system of net high voltage ac/dc and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891483A (en) * | 2012-09-07 | 2013-01-23 | 中国南方电网有限责任公司电网技术研究中心 | Electromagnetic and electromechanical transient digitalized hybrid real-time simulation method for power system |
| US9118205B2 (en) * | 2012-06-20 | 2015-08-25 | Institute Of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Microgrid power distribution system and power flow asymmetrical fault analysis method therefor |
| CN204732888U (en) * | 2015-05-25 | 2015-10-28 | 国家电网公司 | The micro-grid system of a kind of grid type island electrical network |
| CN105022903A (en) * | 2015-08-21 | 2015-11-04 | 南方电网科学研究院有限责任公司 | Hybrid simulation method and system of electric power system |
| CN205983473U (en) * | 2016-07-12 | 2017-02-22 | 华北电力科学研究院有限责任公司 | Alternating current -direct current simulation system is back -to -back pressed to dotted pair net height |
-
2016
- 2016-07-12 CN CN201610545408.6A patent/CN106202726B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9118205B2 (en) * | 2012-06-20 | 2015-08-25 | Institute Of Nuclear Energy Research Atomic Energy Council, Executive Yuan | Microgrid power distribution system and power flow asymmetrical fault analysis method therefor |
| CN102891483A (en) * | 2012-09-07 | 2013-01-23 | 中国南方电网有限责任公司电网技术研究中心 | Electromagnetic and electromechanical transient digitalized hybrid real-time simulation method for power system |
| CN204732888U (en) * | 2015-05-25 | 2015-10-28 | 国家电网公司 | The micro-grid system of a kind of grid type island electrical network |
| CN105022903A (en) * | 2015-08-21 | 2015-11-04 | 南方电网科学研究院有限责任公司 | Hybrid simulation method and system of electric power system |
| CN205983473U (en) * | 2016-07-12 | 2017-02-22 | 华北电力科学研究院有限责任公司 | Alternating current -direct current simulation system is back -to -back pressed to dotted pair net height |
Non-Patent Citations (1)
| Title |
|---|
| 背靠背高压直流输电系统的稳态仿真研究;陆治国 等;《中国电机工程学报》;19990430(第4期);1-8 |
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