CN103475032A - Intelligent power distribution and utilization flexible control system - Google Patents
Intelligent power distribution and utilization flexible control system Download PDFInfo
- Publication number
- CN103475032A CN103475032A CN201310467166XA CN201310467166A CN103475032A CN 103475032 A CN103475032 A CN 103475032A CN 201310467166X A CN201310467166X A CN 201310467166XA CN 201310467166 A CN201310467166 A CN 201310467166A CN 103475032 A CN103475032 A CN 103475032A
- Authority
- CN
- China
- Prior art keywords
- phase
- control system
- flexible control
- chopper
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Inverter Devices (AREA)
Abstract
The invention discloses an intelligent power distribution and utilization flexible control system. The intelligent power distribution and utilization flexible control system comprises a transformer, a three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter. The three-phase rectifier converts a three-phase alternating current produced by the transformer into a direct current which is output to the inverters, the single-phase inverters convert the direct current into single-phase alternating currents with adjustable frequency and amplitude, and the three-phase inverters convert the direct current into three-phase alternating currents with adjustable frequency and amplitude. According to the intelligent power distribution and utilization flexible control system, the method that the three-phase alternating current is rectified and then inverted is adopted, the problem that a great deal of single-phase electric equipment is directly connected to a power supply grid to cause three-phase unbalance is solved, damage to power transmission and distribution equipment and the electric equipment is reduced, and reliability, economical efficiency and power quality of power supply are improved. Besides, the intelligent power distribution and utilization flexible control system achieves clear work division of modules, is easy to design, build and maintain, operates easily, and achieves convenient system expansion and upgrading.
Description
Technical field
The present invention relates to the power distribution network technical field, more particularly, relate to a kind of intelligent adapted electricity flexible control system.
Background technology
Three-phase imbalance refers to that three-phase current in electric power system (or voltage) amplitude is inconsistent, and difference in magnitude surpasses prescribed limit.The harm that concrete three-phase imbalance problem causes has:
1, to the harm of transformer: producing, in household electricity, when threephase load is uneven, make transformer in the asymmetric operation state, cause the loss increase of transformer, utilance to reduce.Also can cause the transformer zero-sequence current excessive, the localized metallic part temperatures increases, and seriously can cause transformer to burn simultaneously;
2, to the harm of power consumption equipment: three-phase imbalance can produce the several times unsymmetrical current, and the contrary moment of torsion of induction motor increases, and makes temperature rising, decrease in efficiency, the vibrations aggravation of motor, causes reduce the useful life of power consumption equipment, accelerates the aging of power consumption equipment;
3, on the impact of circuit: the threephase load imbalance, cause the neutral line to have electric current to pass through, supply line's loss is increased.Low voltage electric network threephase load imbalance may cause that the high pressure phase current is excessive, thereby causes that the high-tension line overcurrent tripping has a power failure, and the power failure of the switchgear Frequent trip of transformer station, the useful life of having reduced switchgear.
Therefore, the three-phase imbalance problem not only causes serious impact to the economic reliability service of power supply grid, has also reduced user's the quality of power supply and the reliability of power supply simultaneously.
Summary of the invention
In view of this, the invention provides a kind of intelligent adapted electricity flexible control system, a large amount of Monophase electric power users and three-phase power user have been met, effectively solved power distribution network three-phase imbalance problem, reduce the infringement to equipment for power transmission and distribution and power consumption equipment, improved reliability, economy and the quality of power supply of power supply.
For achieving the above object, the invention provides following technical scheme:
A kind of intelligent adapted electricity flexible control system, comprising: transformer, three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter;
The input of described transformer connects power supply grid, for exporting three-phase alternating current;
The input of described three-phase rectifier connects the secondary side of described transformer, after described three-phase alternating current is converted to direct current, exports;
The input of described single-phase inverter connects the output of described three-phase rectifier, after described direct current is converted to single-phase alternating current, exports;
The input of described three-phase inverter connects the output of described three-phase rectifier, after described direct current is converted to three-phase alternating current, exports.
Preferably, also comprise: at least one first chopper;
The input of described the first chopper connects the output of described three-phase rectifier, for exporting after the described galvanic magnitude of voltage size of regulating input.
Preferably, described the first chopper is the buck chopper device.
Preferably, also comprise: at least one distributed power supply module;
Described distributed power supply module is used for exporting direct current with described three-phase rectifier simultaneously, or when described three-phase rectifier outage, as stand-by power supply.
Preferably, described distributed power supply module comprises: solar power station, batteries, the second chopper and photovoltaic handover module;
The output of described solar power station connects the input of described batteries, is used to described battery charging;
The input of described the second chopper connects the output of described batteries, and the output of described the second chopper connects described photovoltaic handover module, for exporting after the magnitude of voltage size of regulating described batteries output voltage;
Whether described photovoltaic handover module is incorporated to the output of described three-phase rectifier for the output of controlling described the second chopper.
Preferably, described the second chopper is boost chopper.
Preferably, also comprise: filtering, reactive compensation module;
Described filtering, reactive compensation module connect the input of described three-phase rectifier, for the harmonic wave of the three-phase alternating current of eliminating described three-phase rectifier, and compensate the reactive power that described three-phase rectifier consumes.
Preferably, also be connected with at least one capacitor for voltage stabilizing and filtering between the galvanic both positive and negative polarity of described three-phase rectifier output.
Preferably, the quantity of described capacitor is 2,2 described capacitor's seriess, and the capacitance of each capacitor is 4700 μ F, rated voltage is 1000V.
Compared with prior art, technical scheme provided by the present invention has the following advantages:
Intelligent adapted electricity flexible control system provided by the present invention, comprise transformer, three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter.The three-phase alternating current that three-phase rectifier produces transformer is converted to direct current and exports to inverter, by single-phase inverter, direct current is converted to all adjustable single-phase alternating currents of frequency and amplitude, and by three-phase inverter, direct current is converted to all adjustable three-phase alternating currents of frequency and amplitude.
Intelligent adapted electricity flexible control system provided by the invention adopts the method to inversion after the three-phase alternating current electric rectification, the three-phase imbalance problem of having avoided a large amount of single-phase electric devices directly to access power supply grid and having caused, realized the Flexible Control of single-phase alternating current and three-phase alternating current, reduce the infringement to equipment for power transmission and distribution and power consumption equipment, improved reliability, economy and the quality of power supply of power supply.And the intelligent adapted electricity flexible control system module provided by the invention division of labor is clear and definite, is easy to design, construction, operation and maintenance, facilitates the System Expansion upgrading.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the intelligent adapted electricity flexible control system that Fig. 1 provides for the present embodiment.
Embodiment
As described in background, the three-phase imbalance problem not only causes serious impact to the economic reliability service of power distribution network, has also reduced user's the quality of power supply and the reliability of power supply simultaneously.The inventor studies discovery, causes the reason of this defect to mainly contain and has a large amount of Monophase electric power users, and single-phase electric devices directly accesses power supply grid, causes power supply grid three-phase imbalance problem comparatively serious.
Based on this, the invention provides a kind of intelligent adapted electricity flexible control system, the problems referred to above that exist to overcome prior art comprise:
Transformer, three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter;
The input of described transformer connects power supply grid, for exporting three-phase alternating current;
The input of described three-phase rectifier connects the secondary side of described transformer, after described three-phase alternating current is converted to direct current, exports;
The input of described single-phase inverter connects the output of described three-phase rectifier, after described direct current is converted to single-phase alternating current, exports;
The input of described three-phase inverter connects the output of described three-phase rectifier, after described direct current is converted to three-phase alternating current, exports.
Intelligent adapted electricity flexible control system provided by the present invention, comprise transformer, three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter.The three-phase alternating current that three-phase rectifier produces transformer is converted to direct current and exports to inverter, by single-phase inverter, direct current is converted to all adjustable single-phase alternating currents of frequency and amplitude, and by three-phase inverter, direct current is converted to all adjustable three-phase alternating currents of frequency and amplitude.
Intelligent adapted electricity flexible control system provided by the invention adopts the method to inversion after the three-phase alternating current electric rectification, the three-phase imbalance problem of having avoided a large amount of single-phase electric devices directly to access power supply grid and having caused, reduce the infringement to equipment for power transmission and distribution and power consumption equipment, improved reliability, economy and the quality of power supply of power supply.And the intelligent adapted electricity flexible control system module provided by the invention division of labor is clear and definite, is easy to design, construction, operation and maintenance, facilitates the System Expansion upgrading.
Be more than core concept of the present invention, can more become apparent for making above-mentioned purpose of the present invention, feature and advantage, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can be in the situation that do similar popularization without prejudice to intension of the present invention, so the present invention is not subject to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when the embodiment of the present invention is described in detail in detail; for ease of explanation; the profile that means device architecture can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that in actual fabrication, should comprise in addition, length, width and the degree of depth.
The present embodiment provides a kind of intelligent adapted electricity flexible control system, as shown in Figure 1, the structural representation of the intelligent adapted electricity flexible control system provided for the present embodiment, comprising: transformer 1, three-phase rectifier 2, at least one single-phase inverter 3 and at least one three-phase inverter 4.
The input of transformer 1 connects power supply grid, and the secondary side of transformer 1 connects the input of three-phase rectifier 2, and transformer 1 is for exporting three-phase alternating current to three-phase rectifier 2, and the parameter of a kind of transformer 1 that the present embodiment provides is as following table:
| Type | The mode of connection | Voltage/kV | Capacity/kVA |
| The three-phase double winding | Δ/Y | 10/0.4 | 630 |
The input of three-phase rectifier 2 is connected with the secondary side of transformer 1, and the three-phase alternating current that receiving transformer 1 produces, and three-phase alternating current is converted to direct current, as the both positive and negative polarity of the DC power supply of inverter, connects the input of inverter.The performance of three-phase rectifier 2 has important impact to connected inverter, and the parameter of a kind of three-phase rectifier 2 that the present embodiment provides is as following table:
| Pulse number | Rated direct voltage/V | Rated current/A | Rated power/kW | Power device |
| 12 | ±500 | 300 | 300 | IGBT |
Single-phase inverter 3 is for direct current is converted to single-phase alternating current, and the input of single-phase inverter 3 connects the output of three-phase rectifier 2, connects the both positive and negative polarity of DC power supply, and the output of single-phase inverter 3 connects single-phase electric devices.Three-phase rectifier 2 is input to single-phase inverter 3 after the three-phase alternating current of transformer 1 output is converted to direct current, and single-phase inverter 3 outputs to single-phase electric devices after the direct current of input is converted to single-phase alternating current.Voltage magnitude and the frequency of the single-phase alternating current of single-phase inverter 3 outputs can, according to the demand adjustment of single-phase electric devices, meet the requirement of single-phase electric devices.The parameter of a kind of single-phase inverter 3 that the present embodiment provides is as following table:
| Type | Rated voltage/V | Rated current/A | Rated power/kW | Power device |
| Single-phase full bridge | 220 | 200 | 44 | IGBT |
Three-phase inverter 4 is for being converted to three-phase alternating current by direct current, the input of three-phase inverter 3 connects the output of three-phase rectifier 2, be the both positive and negative polarity of the output of three-phase rectifier 2 as DC power supply, provide direct current for single-phase inverter 3 and three-phase inverter 4, the output of three-phase inverter 4 connects three phase electric equipment simultaneously.Three-phase rectifier 2 is input to three-phase inverter 4 after the three-phase alternating current of transformer 1 output is converted to direct current, and three-phase inverter 4 outputs to three phase electric equipment after the direct current of input is converted to three-phase alternating current.Same, voltage magnitude and the frequency of the three-phase alternating current of three-phase inverter 4 outputs can, according to the demand adjustment of three phase electric equipment, meet the requirement of three phase electric equipment.The parameter of a kind of three-phase inverter 4 that this enforcement is carried is as following table:
| Type | Rated voltage/V | Rated current/A | Rated power/kW | Power device |
| Three-phase bridge | 380 | 200 | 132 | IGBT |
Shown in figure 1, three-phase rectifier 4 outputs as the both positive and negative polarity of DC power supply, be connected to DC master row 5 by two DC buss (be DC bus+and DC bus-), a plurality of connection lines of DC master row 5 distribution, connect the input of single-phase inverter 3 and the input of three-phase inverter 4 while making the positive and negative electrodes in same of DC power supply of three-phase rectifier 4, finally complete the conversion of direct current and single-phase alternating current and three-phase alternating current.
In order to meet the direct current power consumption equipment, the intelligent adapted electricity flexible control system that the present embodiment provides also comprises at least one first chopper 6.The input of the first chopper 6 connects the output of three-phase rectifier 2, and the input of the first chopper 6 is connected with the both positive and negative polarity of the DC power supply of three-phase rectifier 2 by DC master row 5, and the output of the first chopper 6 connects the direct current power consumption equipment.The first chopper 6 outputs to the direct current power consumption equipment after for the galvanic magnitude of voltage size of regulating input.The first chopper that the present embodiment provides is the buck chopper device.Same, the first chopper can be also boost chopper, for different direct current users carries the voltage of different magnitudes of voltage.
Shown in figure 1, the intelligent adapted electricity flexible control system that the present embodiment provides also comprises: at least one distributed power supply module 7, described distributed power supply module 7 is for export direct current with described three-phase rectifier 2 simultaneously, perhaps when three-phase rectifier 2 outage, as stand-by power supply, for single-phase inverter, three-phase inverter or the first chopper provide direct current.When the normal output of three-phase rectifier 2, distributed power supply module 7 is incorporated to the output of three-phase rectifier 2, with three-phase rectifier 2 be that single-phase inverter 3, three-phase inverter 4 and the first chopper 6 are exported direct currents simultaneously; When three-phase rectifier 2 outage, be equivalent to UPS(Uninterruptible Power System/Uninterruptible Power Supply in short-term, uninterrupted power supply between distributed power supply module 7 and single-phase inverter 3, three-phase inverter 4 and the first chopper 6).
Wherein, distributed power supply module 7 comprises: solar power station 71, batteries 72, the second chopper 73 and photovoltaic handover module 74.The output of solar power station 71 connects the input of batteries 72, for being electric energy by transform light energy, and be that batteries 72 is charged.The input of the second chopper 73 connects the output of batteries 72, and batteries 72 is the second chopper 73 output currents, and the second chopper 73 is exported after for the magnitude of voltage size of regulating batteries 72 output voltages.Whether photovoltaic handover module 74 is incorporated to the output of three-phase rectifier 74 for the output of controlling the second chopper 73, photovoltaic handover module 74 is equivalent to judge switch, and the output of controlling the second chopper 73 is single-phase inverter, three-phase inverter and the first chopper output direct current.The second chopper that the present embodiment provides is boost chopper, and the magnitude of voltage of batteries output voltage is risen to DC bus-bar voltage.
In addition, in order to improve the q&r of electrical network electric energy, the intelligent adapted electricity flexible control system that the present embodiment provides also comprises: filtering, reactive compensation module 8, the secondary side of filtering, reactive compensation module 8 connection transformers 1, harmonic wave for the three-phase alternating current of eliminating 1 output of described transformer, and compensate the reactive power that described three-phase rectifier 2 consumes, prevent from causing brownout because of idle deficiency.
Between the galvanic both positive and negative polarity of three-phase rectifier 2 outputs, (being the both positive and negative polarity of the DC power supply of three-phase rectifier 2) also is connected with at least one capacitor for voltage stabilizing and filtering.The quantity of the preferred capacitor of the present embodiment is 2,2 capacitor's seriess, and the capacitance of each capacitor is 4700 μ F, rated voltage is 1000V.The arranging of capacitor guaranteed the safety and reliability of intelligent adapted electricity flexible control system.
Intelligent adapted electricity flexible control system provided by the present invention, comprise transformer, three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter.The three-phase alternating current that three-phase rectifier produces transformer is converted to direct current and exports to inverter, by single-phase inverter, direct current is converted to all adjustable single-phase alternating currents of frequency and amplitude, and by three-phase inverter, direct current is converted to all adjustable three-phase alternating currents of frequency and amplitude.
Intelligent adapted electricity flexible control system provided by the invention adopts the method to inversion after the three-phase alternating current electric rectification, the three-phase imbalance problem of having avoided a large amount of single-phase electric devices directly to access power supply grid and having caused, reduce the infringement to equipment for power transmission and distribution and power consumption equipment, improved reliability, economy and the quality of power supply of power supply.And the intelligent adapted electricity flexible control system module provided by the invention division of labor is clear and definite, is easy to design, construction, operation and maintenance, facilitates the System Expansion upgrading.
In addition, the embodiment of the present invention also comprises the first chopper be connected with three-phase rectifier, has facilitated the direct current power consumption equipment, has realized the variation of electric energy output form.And distributed power supply module has not only ensured continued power when power supply grid cuts off the power supply, also solved the problem of photovoltaic power generation grid-connecting simultaneously, and the access due to distributed power supply module, guaranteed that intelligent adapted electricity flexible control system that the present embodiment provides can peak load shifting in the power distribution network terminal, realized the load Flexible Control.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an intelligent adapted electricity flexible control system, is characterized in that, comprising: transformer, three-phase rectifier, at least one single-phase inverter and at least one three-phase inverter;
The input of described transformer connects power supply grid, for exporting three-phase alternating current;
The input of described three-phase rectifier connects the secondary side of described transformer, after described three-phase alternating current is converted to direct current, exports;
The input of described single-phase inverter connects the output of described three-phase rectifier, after described direct current is converted to single-phase alternating current, exports;
The input of described three-phase inverter connects the output of described three-phase rectifier, after described direct current is converted to three-phase alternating current, exports.
2. intelligent adapted electricity flexible control system according to claim 1, is characterized in that, also comprises: at least one first chopper;
The input of described the first chopper connects the output of described three-phase rectifier, for exporting after the described galvanic magnitude of voltage size of regulating input.
3. intelligent adapted electricity flexible control system according to claim 2, is characterized in that, described the first chopper is the buck chopper device.
4. according to the described intelligent adapted electricity flexible control system of claim 1～3 any one, it is characterized in that, also comprise: at least one distributed power supply module;
Described distributed power supply module is used for exporting direct current with described three-phase rectifier simultaneously, or when described three-phase rectifier outage, as stand-by power supply.
5. intelligent adapted electricity flexible control system according to claim 4, is characterized in that, described distributed power supply module comprises: solar power station, batteries, the second chopper and photovoltaic handover module;
The output of described solar power station connects the input of described batteries, is used to described battery charging;
The input of described the second chopper connects the output of described batteries, and the output of described the second chopper connects described photovoltaic handover module, for exporting after the magnitude of voltage size of regulating described batteries output voltage;
Whether described photovoltaic handover module is incorporated to the output of described three-phase rectifier for the output of controlling described the second chopper.
6. intelligent adapted electricity flexible control system according to claim 5, is characterized in that, described the second chopper is boost chopper.
7. intelligent adapted electricity flexible control system according to claim 1, is characterized in that, also comprises: filtering, reactive compensation module;
Described filtering, reactive compensation module connect the input of described three-phase rectifier, for the harmonic wave of the three-phase alternating current of eliminating described three-phase rectifier, and compensate the reactive power that described three-phase rectifier consumes.
8. intelligent adapted electricity flexible control system according to claim 1, is characterized in that, between the galvanic both positive and negative polarity of described three-phase rectifier output, also is connected with at least one capacitor for voltage stabilizing and filtering.
9. intelligent adapted electricity flexible control system according to claim 8, is characterized in that, the quantity of described capacitor is 2,2 described capacitor's seriess, and the capacitance of each capacitor is 4700 μ F, rated voltage is 1000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467166.XA CN103475032B (en) | 2013-10-09 | 2013-10-09 | A kind of intelligent adapted electricity flexible control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467166.XA CN103475032B (en) | 2013-10-09 | 2013-10-09 | A kind of intelligent adapted electricity flexible control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103475032A true CN103475032A (en) | 2013-12-25 |
| CN103475032B CN103475032B (en) | 2016-03-23 |
Family
ID=49799776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467166.XA Active CN103475032B (en) | 2013-10-09 | 2013-10-09 | A kind of intelligent adapted electricity flexible control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103475032B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078971A (en) * | 2014-07-10 | 2014-10-01 | 广东工业大学 | Microgrid three-phase-balanced and electricity-optimized sub-grid structure and control method |
| CN105244884A (en) * | 2015-11-02 | 2016-01-13 | 贵州大学 | Flexible-access intelligent household interface |
| CN106300397A (en) * | 2016-08-30 | 2017-01-04 | 南京相量电气有限公司 | A kind of load unbalanced controlling device of three-phase power |
| CN107623353A (en) * | 2017-10-09 | 2018-01-23 | 上海玖行能源科技有限公司 | A kind of military intelligences combination power-supply system |
| CN109560555A (en) * | 2018-11-30 | 2019-04-02 | 西安宸瑞电工科技发展有限公司 | A kind of factory's power supply for electrical equipment method and system |
| CN112350311A (en) * | 2020-10-29 | 2021-02-09 | 湖北春田电工技术有限公司 | Multipurpose flexible interconnection device suitable for common zero line low-voltage power distribution system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295877A (en) * | 2008-06-05 | 2008-10-29 | 上海交通大学 | Control system of offshore wind power flexible DC power transmission current transformer |
| CN101860228A (en) * | 2010-05-07 | 2010-10-13 | 中国科学院电工研究所 | Power electronic transformer for high voltage distribution |
| CN202759252U (en) * | 2012-08-10 | 2013-02-27 | 沈阳工业大学 | Power grid operation control system including multiterminal flexible DC transmission system |
-
2013
- 2013-10-09 CN CN201310467166.XA patent/CN103475032B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295877A (en) * | 2008-06-05 | 2008-10-29 | 上海交通大学 | Control system of offshore wind power flexible DC power transmission current transformer |
| CN101860228A (en) * | 2010-05-07 | 2010-10-13 | 中国科学院电工研究所 | Power electronic transformer for high voltage distribution |
| CN202759252U (en) * | 2012-08-10 | 2013-02-27 | 沈阳工业大学 | Power grid operation control system including multiterminal flexible DC transmission system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078971A (en) * | 2014-07-10 | 2014-10-01 | 广东工业大学 | Microgrid three-phase-balanced and electricity-optimized sub-grid structure and control method |
| CN105244884A (en) * | 2015-11-02 | 2016-01-13 | 贵州大学 | Flexible-access intelligent household interface |
| CN106300397A (en) * | 2016-08-30 | 2017-01-04 | 南京相量电气有限公司 | A kind of load unbalanced controlling device of three-phase power |
| CN107623353A (en) * | 2017-10-09 | 2018-01-23 | 上海玖行能源科技有限公司 | A kind of military intelligences combination power-supply system |
| CN109560555A (en) * | 2018-11-30 | 2019-04-02 | 西安宸瑞电工科技发展有限公司 | A kind of factory's power supply for electrical equipment method and system |
| CN109560555B (en) * | 2018-11-30 | 2022-05-03 | 西安宸瑞电工科技发展有限公司 | Power supply method and system for factory electric equipment |
| CN112350311A (en) * | 2020-10-29 | 2021-02-09 | 湖北春田电工技术有限公司 | Multipurpose flexible interconnection device suitable for common zero line low-voltage power distribution system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103475032B (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Salomonsson et al. | Low-voltage DC distribution system for commercial power systems with sensitive electronic loads | |
| CN104065157B (en) | Uninterruptible power supply with improved power supply reliability | |
| CN103475032B (en) | A kind of intelligent adapted electricity flexible control system | |
| CN102097966A (en) | Cascade megawatt photovoltaic grid-connected inverter | |
| CN202424196U (en) | Large-capacity energy storage converter formed by connecting multiple groups of inverter units in parallel | |
| CN203859583U (en) | Multipath parallel redundant substation DC power supply system | |
| CN102195525A (en) | Power supply system for photovoltaic (PV) building | |
| CN104218805A (en) | Unipolar-bipolar convertible direct-current converter | |
| CN103580264A (en) | Direct current micro-grid system supplying power in looped network mode | |
| CN105391047B (en) | A kind of vehicular DC micro power grid system and control method | |
| CN203800619U (en) | Grid-connected connection circuit for three-phase energy storage current transformer | |
| US20230068564A1 (en) | Conversion system and conversion device | |
| CN110739701A (en) | low-voltage distribution network line low-voltage treatment system and treatment method | |
| CN203522317U (en) | Photovoltaic inverter power supply device | |
| US20220094174A1 (en) | Multi-source microgrid power supply system in oil well area | |
| CN201319509Y (en) | Full digital control three-phase input and output power frequency online UPS power supply | |
| CN113904377A (en) | Multifunctional multi-port modular energy router device | |
| CN102420456A (en) | Power supply system for photovoltaic grid-connected inverter | |
| CN111555336A (en) | Power distribution system based on energy router | |
| Akagi et al. | Control of a modular multilevel cascade BTB system using bidirectional isolated DC/DC converters | |
| CN202444289U (en) | Energy storage converter | |
| CN207910525U (en) | A kind of pure electric vehicle AC power output system device peculiar to vessel | |
| CN106972506B (en) | Power distribution system and power system | |
| He et al. | Simulation of large-scale energy storage to improve high-voltage DC stability | |
| CN110994605A (en) | Alternating current-direct current microgrid system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |