CN106849146A - A kind of five end HVDC transmission systems - Google Patents
A kind of five end HVDC transmission systems Download PDFInfo
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- CN106849146A CN106849146A CN201710064681.1A CN201710064681A CN106849146A CN 106849146 A CN106849146 A CN 106849146A CN 201710064681 A CN201710064681 A CN 201710064681A CN 106849146 A CN106849146 A CN 106849146A
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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
- H02J3/36—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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Abstract
The invention discloses a kind of five end HVDC transmission system, including：Five current conversion stations, transformer, breaker and pentagon direct current networks, when being jointly controlled there is earth fault by the voltage between multiple current conversion stations, fault current is reduced to minimum, the cost of electricity-generating and load power demand value of each power supply of multiterminal HVDC transmission system are directed to simultaneously, control the output power value of each power supply, to improve power supply reliability, and reduce electric cost.
Description
Technical field
The present invention relates to a kind of five end HVDC transmission system, and in particular to a kind of multiterminal HVDC transmission system
Control.
Background technology
Due to the energy and the imbalance of economic development, the Large Copacity of D.C. high voltage transmission, advantage of transmitting electricity at a distance, at me
Played important function in state's " transferring electricity from the west to the east, on national network " strategy, however 2 traditional end direct currents be only capable of realizing it is point-to-point straight
Stream power transmission, with economic development and the construction of power network, inevitable requirement power network can realize multiple feed and many drop points
By electricity, therefore, the multi-terminal direct current transmission system developed on 2 end DC transmission systems（MTDC）It is more flexible, quick, so
And, existing multi-terminal direct current transmission system structure is relatively simple, based on the framework of four end HVDC transmission systems, therefore, this
Invention proposes the more flexible five ends DC transmission system of framework, and by the voltage between multiple current conversion stations jointly control by
During generation earth fault, fault current is reduced to minimum, while the generating of each power supply for multiterminal HVDC transmission system
Cost and load power demand value, control the output power value of each power supply, to improve power supply reliability, and reduce electricity consumption into
This.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of five end HVDC transmission system is invented, passed through
Voltage between multiple current conversion stations jointly controls during by earth fault occurring, and fault current is reduced to minimum, while being directed to multiterminal
The cost of electricity-generating and load power demand value of each power supply of HVDC transmission system, control the output power value of each power supply,
To improve power supply reliability, and reduce electric cost.
The present invention provide technical scheme be：A kind of five end HVDC transmission systems, it includes：Alternating current input power supplying
101st, alternating current input power supplying 106, alternating current input power supplying 111, transformer 102, transformer 107, transformer 112, rectifier 103,
Rectifier 108, rectifier 113, controller 104, controller 109, controller 114, breaker 105, breaker 110, breaker
115th, with the pentagon DC power transmission line of five nodes of a, b, c, d, e, breaker 120, inverter 118, controller 119,
Transformer 117, exchange power load 116, breaker 125, inverter 123, transformer 122, exchange power load 121 and master control
Device processed 127, the connection of alternating current input power supplying 101 transformer 102, the connection of transformer 102 rectifier 103, the two ends of breaker 105 difference
The a nodes of connection rectifier 103 and pentagon DC power transmission line, the two ends of controller 104 connect rectifier 103 and master control respectively
Device processed 127, the connection of alternating current input power supplying 106 transformer 107, the connection of transformer 107 rectifier 108, the two ends of breaker 110 difference
The b nodes of connection rectifier 108 and pentagon DC power transmission line, the two ends of controller 109 connect rectifier 108 and master control respectively
Device processed 127, the connection of alternating current input power supplying 111 transformer 112, the connection of transformer 112 rectifier 113, the two ends of breaker 115 difference
The c nodes of connection rectifier 113 and pentagon DC power transmission line, the two ends of controller 114 connect rectifier 113 and master control respectively
Device processed 127, the exchange connection of power load 116 transformer 117, the connection of transformer 117 inverter 118, the two ends of breaker 120 difference
The d nodes of connection inverter 118 and pentagon DC power transmission line, the two ends of controller 119 connect inverter 118 and master control respectively
Device processed 127, the exchange connection of power load 121 transformer 122, the connection of transformer 122 inverter 123, the two ends of breaker 125 difference
The e nodes of connection inverter 123 and pentagon DC power transmission line, the two ends of controller 124 connect inverter 118 and master control respectively
Device processed 127.Alternating current input power supplying 101, alternating current input power supplying 106 and alternating current input power supplying 111 are that wind-power electricity generation or solar energy are sent out
Electric system.
Controller 104 includes Phase-Locked Synchronous unit, outer shroud voltage control unit, inner ring current control unit and pulse generation
Unit, outer shroud voltage control unit receives the voltage of Voltage Reference command signal and the rectifier output for carrying out autonomous controller 127
Signal, by the pi regulator output current reference instruction signal in outer shroud voltage control unit to inner ring current control unit,
Inner ring current control unit receives the DC current signal of rectifier output simultaneously, is adjusted by the PI in inner ring current control unit
To pulse generation unit, PI of the pulse generation unit in inner ring current control unit is adjusted section device output control command signal
Device output control command signal and the synchro angle Θ of Phase-Locked Synchronous unit output generate touching for the semiconductor switch inside rectifier
Hair Continuity signal so that rectifier exports given voltage.Controller 104, controller 109 are identical with the structure of controller 114, control
Mode processed is identical.
Controller 119 includes Phase-Locked Synchronous unit, coordinate transformation unit, instantaneous power computing unit, the control of outer loop voltag
Unit, inner ring current control unit and pulse generation unit, the voltage signal of inverter output are calculated by coordinate transformation unit
After be converted to d-axis side voltage signal and quadrature axis side voltage signal, outer shroud voltage control unit is received and carrys out autonomous controller 127
Voltage Reference command signal and coordinate transformation unit are converted to d-axis side voltage signal and quadrature axis side voltage signal after calculating, and pass through
Pi regulator output current reference instruction signal in outer shroud voltage control unit is to inner ring current control unit, interior circular current control
Unit processed receives the DC current signal of rectifier output simultaneously, and control is exported by the pi regulator in inner ring current control unit
Command signal processed to pulse generation unit, pi regulator output control of the pulse generation unit in inner ring current control unit
The triggering and conducting signal of the semiconductor switch inside command signal and the synchro angle Θ generation rectifiers of Phase-Locked Synchronous unit output,
So that inverter output given voltage.Controller 119 is identical with the structure of controller 124, control mode is identical.
The voltage of the Voltage Reference command signal that controller 104, controller 109 and controller 114 are received from master controller
Reference value is identical.The voltage reference value phase of the Voltage Reference command signal that controller 119 and controller 124 are received from master controller
Together.The voltage reference value of the Voltage Reference command signal that controller 104, controller 109 and controller 114 are received from master controller
The voltage reference value of the Voltage Reference command signal received from master controller more than controller 119 and controller 124.
Master controller 127 respectively to controller 104, controller 109 and controller 114 send Voltage Reference command signal and
Current reference command signal, master controller 127 calculates Voltage Reference command signal in accordance with the following steps and current reference refers to
Make signal, 1）It it is n parts by the electric current normal work interval subdivision under the constant voltage operational mode of rectifier 103, electric current is just
Electric current in normal traffic coverage is discrete to be turned to, wherein,
For electric current allows minimum value under constant-pressure operation pattern,For electric current allows maximum under constant-pressure operation pattern,,；2）Calculate the performance number of the corresponding rectifier output of current value of each discretization, wherein,It is right
Answer the voltage reference value under the constant-pressure operation pattern of rectifier 103；3）According to step 1）With step 2）Mode calculate rectification respectively
The performance number of the rectifier output corresponding with the current value of each discretization of rectifier 113 of device 108；4）Cost of electricity-generating is minimum
As optimization object function, generating total power threshold is in load
Nominal operation power threshold valueAs boundary condition, wherein,Correspondence alternating current input power supplying 101
Generate electricity unit price,Correspondence alternating current input power supplying 106 generates electricity unit price,Correspondence alternating current input power supplying 111 generates electricity unit price,Correspondence
I-th in the discretization power of rectifier 103,J-th in the correspondence discretization power of rectifier 108,Correspondence rectification
K-th in the discretization power of device 113,For load rating runs power threshold lower limit,Load rating runs power-threshold
The value upper limit, calculates that to meet cost of electricity-generating minimum,The corresponding rectifier 103 of minimum value, rectifier 108 and rectifier
The performance number of 113 correspondence outputs；5）And according toThe corresponding rectifier 103 of minimum value, rectifier 108 and rectifier
The performance number of 113 correspondence outputs calculates Voltage Reference command signal and current reference command signal is respectively sent to controller
104th, controller 109, controller 114.
Implement HVDC transmission system of the invention, have the advantages that, it is proposed that framework more flexible five
End DC transmission system, and jointly controlled during by earth fault occurring by the voltage between multiple current conversion stations, fault current drop
It is low to minimum, while for the cost of electricity-generating and load power demand value of each power supply of multiterminal HVDC transmission system, control
The output power value of each power supply, to improve power supply reliability, and reduces electric cost.
Brief description of the drawings
Fig. 1 is the system block diagram of five end HVDC transmission systems.
Fig. 2 is rectifier optimized operation parameter calculating logic block diagram.
Specific embodiment
Fig. 1 is five end HVDC transmission system block diagrams：Five end HVDC transmission systems mainly include in Fig. 1：Exchange
It is input power 101, alternating current input power supplying 106, alternating current input power supplying 111, transformer 102, transformer 107, transformer 112, whole
Stream device 103, rectifier 108, rectifier 113, controller 104, controller 109, controller 114, breaker 105, breaker
110th, breaker 115, the pentagon DC power transmission line with five nodes of a, b, c, d, e, breaker 120, inverter 118,
Controller 119, transformer 117, exchange power load 116, breaker 125, inverter 123, transformer 122, exchange electricity consumption are born
Lotus 121 and master controller 127, it is characterised in that：The connection of alternating current input power supplying 101 transformer 102, the connection rectification of transformer 102
Device 103, the two ends of breaker 105 connect a nodes, the two ends of controller 104 of rectifier 103 and pentagon DC power transmission line respectively
Rectifier 103 and master controller 127, the connection of alternating current input power supplying 106 transformer 107, the connection rectification of transformer 107 are connected respectively
Device 108, the two ends of breaker 110 connect b nodes, the two ends of controller 109 of rectifier 108 and pentagon DC power transmission line respectively
Rectifier 108 and master controller 127, the connection of alternating current input power supplying 111 transformer 112, the connection rectification of transformer 112 are connected respectively
Device 113, the two ends of breaker 115 connect c nodes, the two ends of controller 114 of rectifier 113 and pentagon DC power transmission line respectively
Rectifier 113 and master controller 127, the exchange connection of power load 116 transformer 117, the connection inversion of transformer 117 are connected respectively
Device 118, the two ends of breaker 120 connect d nodes, the two ends of controller 119 of inverter 118 and pentagon DC power transmission line respectively
Inverter 118 and master controller 127, the exchange connection of power load 121 transformer 122, the connection inversion of transformer 122 are connected respectively
Device 123, the two ends of breaker 125 connect e nodes, the two ends of controller 124 of inverter 123 and pentagon DC power transmission line respectively
Inverter 118 and master controller 127 are connected respectively.
Fig. 2 is rectifier optimized operation parameter calculating logic block diagram：Step 1）By under rectifier constant voltage operational mode
The interior electric current discretization in electric current normal working zone be divided into n parts；2）Calculate the corresponding rectifier of current value of each discretization
The performance number of output；3）Cost of electricity-generating is minimum as optimization object function, generating general power is in load rating and runs work(
As boundary condition between rate threshold value, the optimal output power value of rectifier is calculated；4）According to the optimal power that rectifier is exported
Value calculates Voltage Reference command value and current reference command value.Specific embodiment can be master controller 127 respectively to control
Device processed 104, controller 109 and controller 114 send Voltage Reference command signal and current reference command signal, master controller
127 calculate Voltage Reference command signal and current reference command signal, 1 in accordance with the following steps）By the constant voltage of rectifier 103
Electric current normal work interval subdivision under operational mode is n parts, and the interior electric current in electric current normal working zone is discrete to be turned to, wherein,For electric current allows minimum value under constant-pressure operation pattern,For
Electric current allows maximum under constant-pressure operation pattern,,；2）Calculate the current value pair of each discretization
The performance number of the rectifier output answered,
Wherein,Voltage reference value under the correspondence constant-pressure operation pattern of rectifier 103；3）According to step 1）With step 2）Mode point
Not Ji Suan the output of corresponding with the current value of each discretization of rectifier 113 rectifier of rectifier 108 performance number；4）Will hair
Electric cost is minimum as optimization object function, generating general power is in
Load rating operation power threshold is intervalAs boundary condition, wherein,Correspondence exchange input
Power supply 101 generates electricity unit price,Correspondence alternating current input power supplying 106 generates electricity unit price,Correspondence alternating current input power supplying 111 generates electricity unit price,I-th in the correspondence discretization power of rectifier 103,J-th in the correspondence discretization power of rectifier 108,It is right
K-th in the discretization power of rectifier 113 is answered,For load rating runs power threshold lower limit,Load rating runs
The power threshold upper limit, calculates that to meet cost of electricity-generating minimum,The corresponding rectifier 103 of minimum value, the and of rectifier 108
The performance number of the correspondence output of rectifier 113；5）And according toThe corresponding rectifier 103 of minimum value, rectifier 108 and whole
The performance number of the stream correspondence output of device 113 calculates Voltage Reference command signal and current reference command signal is respectively sent to control
Device 104, controller 109, controller 114.
The invention is not restricted to the disclosed embodiments and accompanying drawing, it is intended to which covering falls into each of spirit and scope of the present invention
Plant change and deform.
Claims (8)
1. a kind of five end HVDC transmission system, it includes：Alternating current input power supplying 101, alternating current input power supplying 106, exchange are defeated
Enter power supply 111, transformer 102, transformer 107, transformer 112, rectifier 103, rectifier 108, rectifier 113, controller
104th, controller 109, controller 114, breaker 105, breaker 110, breaker 115, with five nodes of a, b, c, d, e
Pentagon DC power transmission line, it is breaker 120, inverter 118, controller 119, transformer 117, exchange power load 116, disconnected
Road device 125, inverter 123, transformer 122, exchange power load 121 and master controller 127, it is characterised in that：Exchange input
The connection of power supply 101 transformer 102, the connection of transformer 102 rectifier 103, the two ends of breaker 105 connect the and of rectifier 103 respectively
The a nodes of pentagon DC power transmission line, the two ends of controller 104 connect rectifier 103 and master controller 127 respectively, exchange defeated
Enter the connection of power supply 106 transformer 107, transformer 107 to connect rectifier 108, the two ends of breaker 110 and connect rectifier 108 respectively
B nodes, the two ends of controller 109 with pentagon DC power transmission line connect rectifier 108 and master controller 127 respectively, exchange
The connection of input power 111 transformer 112, the connection of transformer 112 rectifier 113, the two ends of breaker 115 connect rectifier respectively
113 and the c nodes of pentagon DC power transmission line, the two ends of controller 114 connect rectifier 113 and master controller 127 respectively, hand over
The stream connection of power load 116 transformer 117, the connection of transformer 117 inverter 118, the two ends of breaker 120 connect inverter respectively
118 and the d nodes of pentagon DC power transmission line, the two ends of controller 119 connect inverter 118 and master controller 127 respectively, hand over
The stream connection of power load 121 transformer 122, the connection of transformer 122 inverter 123, the two ends of breaker 125 connect inverter respectively
123 and the e nodes of pentagon DC power transmission line, the two ends of controller 124 connect inverter 118 and master controller 127 respectively.
2. five end according to claim 1 HVDC transmission system, it is characterised in that：Alternating current input power supplying 101, exchange
Input power 106 and alternating current input power supplying 111 are wind-power electricity generation or solar power system.
3. five end according to claim 1 HVDC transmission system, it is characterised in that：Controller 104 includes that lock is identical
Step unit, outer shroud voltage control unit, inner ring current control unit and pulse generation unit, outer shroud voltage control unit are received and
The voltage signal of Voltage Reference command signal and the rectifier output of autonomous controller 127, by outer shroud voltage control unit
Pi regulator output current reference instruction signal to inner ring current control unit, inner ring current control unit receives rectification simultaneously
The DC current signal of device output, gives birth to by the pi regulator output control command signal in inner ring current control unit to pulse
Into unit, pi regulator output control command signal and Phase-Locked Synchronous of the pulse generation unit in inner ring current control unit
The triggering and conducting signal of the semiconductor switch inside the synchro angle Θ generation rectifiers of unit output so that rectifier output is specified
Voltage.
4. five end according to claim 1 HVDC transmission system, it is characterised in that：Controller 119 includes that lock is identical
Step unit, coordinate transformation unit, instantaneous power computing unit, outer shroud voltage control unit, inner ring current control unit and pulse
Generation unit, the voltage signal of inverter output after coordinate transformation unit calculating by being converted to d-axis side voltage signal and quadrature axis
Side voltage signal, outer shroud voltage control unit receives the Voltage Reference command signal and coordinate transform list for carrying out autonomous controller 127
Unit is converted to d-axis side voltage signal and quadrature axis side voltage signal after calculating, by the pi regulator in outer shroud voltage control unit
To inner ring current control unit, inner ring current control unit receives the straight of rectifier output to output current reference instruction signal simultaneously
Stream current signal, by the pi regulator output control command signal in inner ring current control unit to pulse generation unit, arteries and veins
Rush pi regulator output control command signal and Phase-Locked Synchronous unit output of the generation unit in inner ring current control unit
Synchro angle Θ generation rectifier inside semiconductor switch triggering and conducting signal so that inverter export given voltage.
5. five end according to claim 2 HVDC transmission system, it is characterised in that：Controller 119 and controller 124
Structure is identical, control mode is identical, controller 104, controller 109 are identical with the structure of controller 114, control mode phase
Together.
6. five end according to claim 5 HVDC transmission system, it is characterised in that：Controller 104, controller 109
Voltage reference value with the Voltage Reference command signal that controller 114 is received from master controller is identical, controller 119 and controller
The voltage reference value of the 124 Voltage Reference command signals received from master controller is identical, controller 104, controller 109 and control
The voltage reference value of the Voltage Reference command signal that device 114 is received from master controller is more than controller 119 and controller 124 from master
The voltage reference value of the Voltage Reference command signal that controller is received.
7. five end according to claim 6 HVDC transmission system, it is characterised in that：Master controller 127 is respectively to control
Device processed 104, controller 109 and controller 114 send Voltage Reference command signal and current reference command signal, master controller
127 calculate Voltage Reference command signal and current reference command signal in accordance with the following steps, and master controller is constant by rectifier
The interior electric current discretization in electric current normal working zone under voltage operational mode is divided into n parts；2）Calculate the electric current of each discretization
It is worth the performance number of corresponding rectifier output；3）Cost of electricity-generating is minimum as optimization object function, generating general power is in
As boundary condition between load rating operation power threshold, the optimal output power value of rectifier is calculated；4）According to rectifier
The optimal power value of output calculates Voltage Reference command value and current reference command value.
8. five end according to claim 1 HVDC transmission system, it is characterised in that：Master controller 127 is respectively to control
Device processed 104, controller 109 and controller 114 send Voltage Reference command signal and current reference command signal, main control
Device 127 calculates Voltage Reference command signal and current reference command signal in accordance with the following steps, master controller 127 according to
Following steps calculate Voltage Reference command signal and current reference command signal, 1）By the constant voltage of rectifier 103 fortune
Electric current normal work interval subdivision under row mode is n parts, and the interior electric current in electric current normal working zone is discrete to be turned to, wherein,For electric current allows minimum value under constant-pressure operation pattern,
For electric current allows maximum under constant-pressure operation pattern,,；2）Calculate the current value of each discretization
The performance number of corresponding rectifier output,
Wherein,Voltage reference value under the correspondence constant-pressure operation pattern of rectifier 103；3）According to step 1）With step 2）Mode point
Not Ji Suan the output of corresponding with the current value of each discretization of rectifier 113 rectifier of rectifier 108 performance number；4）To use
Hair cost is minimum as optimization object function, generating general power is in
Load rating operation power threshold is intervalAs boundary condition, wherein,Correspondence exchange input
Power supply 101 generates electricity unit price,Correspondence alternating current input power supplying 106 generates electricity unit price,Correspondence alternating current input power supplying 111 generates electricity unit price,I-th in the correspondence discretization power of rectifier 103,J-th in the correspondence discretization power of rectifier 108,It is right
K-th in the discretization power of rectifier 113 is answered,For load rating runs power threshold lower limit,Load rating runs
The power threshold upper limit, calculates that to meet cost of electricity-generating minimum,The corresponding rectifier 103 of minimum value, the and of rectifier 108
The performance number of the correspondence output of rectifier 113；5）And according toThe corresponding rectifier 103 of minimum value, rectifier 108 and whole
The performance number of the stream correspondence output of device 113 calculates Voltage Reference command signal and current reference command signal is respectively sent to control
Device 104, controller 109, controller 114.
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| CN201710064681.1A CN106849146A (en) | 2017-02-05 | 2017-02-05 | A kind of five end HVDC transmission systems |
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| CN201710064681.1A CN106849146A (en) | 2017-02-05 | 2017-02-05 | A kind of five end HVDC transmission systems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370148A (en) * | 2017-08-03 | 2017-11-21 | 国网江苏省电力公司宿迁供电公司 | The source net cooperative optimization method of meter and node split |
| CN111541216A (en) * | 2020-04-02 | 2020-08-14 | 江苏能电科技有限公司 | Circuit breaker protection method and device, circuit breaker and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120205974A1 (en) * | 2011-02-10 | 2012-08-16 | Mccaslin Shawn R | Regulation of Inverter DC Input Voltage in Photovoltaic Arrays |
| CN102820673A (en) * | 2012-08-10 | 2012-12-12 | 沈阳工业大学 | Multiterminal flexible direct current power transmission system included power grid operation control system and method |
| CN103368170A (en) * | 2013-06-26 | 2013-10-23 | 许继集团有限公司 | Converter and control method of multi-end soft direct current power transmission system |
| WO2014107842A1 (en) * | 2013-01-08 | 2014-07-17 | 湖北省电力公司 | Multi-terminal direct-current transmission system for wind power generation through large-scale remote grid connection |
| CN104917199A (en) * | 2014-03-14 | 2015-09-16 | 长沙理工大学 | AC DC micro grid connection flexible serial parallel multifunctional energy controller |
| CN106374451A (en) * | 2016-11-18 | 2017-02-01 | 合肥工业大学 | DC residential energy router based on multi-port converter and control method thereof |
-
2017
- 2017-02-05 CN CN201710064681.1A patent/CN106849146A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120205974A1 (en) * | 2011-02-10 | 2012-08-16 | Mccaslin Shawn R | Regulation of Inverter DC Input Voltage in Photovoltaic Arrays |
| CN102820673A (en) * | 2012-08-10 | 2012-12-12 | 沈阳工业大学 | Multiterminal flexible direct current power transmission system included power grid operation control system and method |
| WO2014107842A1 (en) * | 2013-01-08 | 2014-07-17 | 湖北省电力公司 | Multi-terminal direct-current transmission system for wind power generation through large-scale remote grid connection |
| CN103368170A (en) * | 2013-06-26 | 2013-10-23 | 许继集团有限公司 | Converter and control method of multi-end soft direct current power transmission system |
| CN104917199A (en) * | 2014-03-14 | 2015-09-16 | 长沙理工大学 | AC DC micro grid connection flexible serial parallel multifunctional energy controller |
| CN106374451A (en) * | 2016-11-18 | 2017-02-01 | 合肥工业大学 | DC residential energy router based on multi-port converter and control method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370148A (en) * | 2017-08-03 | 2017-11-21 | 国网江苏省电力公司宿迁供电公司 | The source net cooperative optimization method of meter and node split |
| CN107370148B (en) * | 2017-08-03 | 2019-10-11 | 国网江苏省电力公司宿迁供电公司 | The source net cooperative optimization method of meter and node split |
| CN111541216A (en) * | 2020-04-02 | 2020-08-14 | 江苏能电科技有限公司 | Circuit breaker protection method and device, circuit breaker and storage medium |
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