CN103457271A - Chained static synchronous compensator with active power adjusting capacity and cascading unit thereof - Google Patents
Chained static synchronous compensator with active power adjusting capacity and cascading unit thereof Download PDFInfo
- Publication number
- CN103457271A CN103457271A CN2013103359295A CN201310335929A CN103457271A CN 103457271 A CN103457271 A CN 103457271A CN 2013103359295 A CN2013103359295 A CN 2013103359295A CN 201310335929 A CN201310335929 A CN 201310335929A CN 103457271 A CN103457271 A CN 103457271A
- Authority
- CN
- China
- Prior art keywords
- power
- phase
- converter
- way
- statcom
- 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.)
- Pending
Links
Images
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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a chained static synchronous compensator with an active power adjusting capacity. The chained static synchronous compensator with the active power adjusting capacity comprises three phases of cascading chain links, connection reactors and breakers. Each phase of the cascading chain link comprises n cascading units which are connected in series at the alternating current side. One ends of the three phases of the cascading units are connected to form a neutral point of the static synchronous compensator, and the other ends of the three phases of the cascading units are connected into a three-phase grid through the corresponding connection reactors and the corresponding breakers. The invention further provides a corresponding cascading unit. An STATCOM and a BESS are combined, the capacity of controlling active power and reactive power at the same time is achieved, grid connection of medium voltage and high voltage is achieved in a manner of cascading multiple cascading units, a power switch device which is low in voltage resistance is used for achieving energy conversion of high voltage levels, modularization and redundancy design are easy to achieve, the function of balancing a battery is achieved, meanwhile, a bidirectional DC/DC converter is introduced at the direct current side, and ensuring the cycle life of the battery is facilitated.
Description
Technical field
The present invention relates to the reactive power compensation field of mesohigh electric power system, especially a kind of chain static synchronous compensator (STATCOM) and cascade unit thereof with meritorious regulating power.
Background technology
STATCOM is as the outer state-of-the-art power quality adjusting device of Now Domestic, can comprehensively solve the power quality problems such as electric network reactive-load deficiency, voltage fluctuation and flicker, current distortion, three-phase imbalance, but there are the characteristics such as output idle two-way flow, fast response time, harmonic characterisitic are good.But need absorb certain active power compensation own loss during the STATCOM operation to maintain the stable of DC voltage, and not possess the active power regulation ability.
Battery energy storage system (BESS) has stronger meritorious regulating power, can solve the impact of batch (-type) renewable energy power generation direct grid-connected to electrical network, for the peak-valley difference of peak load shifting balance mains supply, can also be applied to the fields such as frequency modulation, black startup, lonely network operation and emergency duty.
STATCOM is combined with BESS resulting STATCOM/BESS can control active power and reactive power simultaneously, realizes four quadrant running, and more flexible and various electric energy regulatory function is provided, and is the developing direction of flexible AC transmitting system.The STATCOM/BESS of tradition based on the transformer multiple inverter configuration need to access the mesohigh electrical network by step-up transformer, and this has increased volume, floor space, cost and the system loss of system greatly.
Figure 1 shows that existing a kind of STATCOM/BESS based on chain structure, this structure does not need step-up transformer, with the obvious advantage on volume, weight, occupation of land and cost, and control simple, be easy to realize modularization, favorable expandability.Yet in this structure, the DC side filter capacitor of each cascade unit is directly in parallel with the energy-storage battery group, so the serial number of battery pack depends on the DC bus-bar voltage grade of cascade unit, and too high serial number will reduce system reliability.When in addition, system is moved, DC side can produce pulsating power 2 times; When system is carried out the reactive power adjusting, battery pack will be in frequent charge/discharge condition, and above-mentioned situation all can affect the cycle life of battery.
Through retrieval, find following pertinent literature:
Coordinate indexing result 1:
Application (patent) number: 201210127195.7, title: a kind of tandem type STATCOM DC capacitor voltage balance control method
This invention relates to a kind of control method of tandem type STATCOM DC capacitor voltage balance.This control method comprises that Direct Current Control and indirect current control combine; The method comprises the steps: to generate the active current reference value; Select special bridge; Generate STATCOM output current reference value; Special bridge indirect current is controlled; Non-special bridge Direct Current Control.Control method provided by the invention is controlled for cascade multi-level STATCOM DC capacitor voltage balance.
Its weak point is: the system range of operation is limited: with BESS, do not combine, DC side need absorb certain active power and maintain DC-side Voltage Stabilization, does not possess the active power regulation function, can not 4 quadrant operations.
Coordinate indexing result 2:
Application (patent) number: 200780100619.8, title: for the STATCOM system of idle and/or active power is provided to power network
This invention relates to a kind of static compensator system, for idle and/or active power is provided to power network.This system comprises static compensator, and this static compensator comprises DC capacitor and voltage source converter.This static compensator is connected to energy storing device.This system also comprises the boost conversion apparatus of with energy storing device, connecting and being connected with the DC Parallel-connected Capacitor of static compensator.Boost conversion apparatus and energy storing device also are connected in parallel with the voltage source converter of static compensator.
Its weak point is: topological structure: need to access the mesohigh electrical network by step-up transformer, this has increased volume, floor space, cost and the system loss of system greatly.
Coordinate indexing result 3:
Application (patent) number: 200910228072.0, title: a kind of static synchronous compensator system based on solar energy and accumulator hybrid energy-storing
This invention is by solar cell-storage battery converting unit and STATCOM installation composition; And superiority is: 1. can be in 4 quadrants steady operation; 2. extend the support time under accident conditions, thereby more flexible and various electric energy regulatory function ratio is provided; 3. both taken full advantage of novel energy, avoided again simple all Multiple Constraints with solar energy, such as sunlight deficiency, operation at night etc.
Its weak point is: 1. DC side structure: during the system operation, DC side can produce pulsating power 2 times, will affect the cycle life of battery.Can solve this problem by adding two-way DC/DC converter; 2. control strategy: this system-level receipts or other documents in duplicate unit DC side combines solar energy with battery, make control strategy more complicated.
Coordinate indexing result 4:
Name of document: volume static reactive generator and battery energy storage is integrated greatly, source: Automation of Electric Systems, 2005 (10): 41-44
The disclosed technical scheme of the document, traditional large volume static reactive generator (STATCOM) device is integrated with energy storage device, can significantly increase and improve function and the performance of STATCOM.The characteristics of battery energy storage and STATCOM integrated system have been discussed in literary composition, have been introduced the power inverter topological structure and the switching over strategy that adopt, the STATCOM system of proposed integrated battery energy storage has been carried out to simulation study.Simulation results show the STATCOM that proposes and validity and the practicality of battery energy storage integrated system.
Its weak point is: 1. DC side structure: during the system operation, cascade unit DC side can produce pulsating power 2 times, will affect the cycle life of battery.Can solve this problem by adding two-way DC/DC converter; 2. Mixed cascading topology: in the every phase brachium pontis of this system, exist a cascade unit for improving the system output voltage characteristic, remaining element for first-harmonic meritorious/reactive power regulates, overall topology design and control strategy are comparatively complicated.
Summary of the invention
For defect of the prior art, the purpose of this invention is to provide a kind of chain type STATCOM with meritorious regulating power, STATCOM is combined with BESS, possess the ability of controlled active power of while and reactive power.This system adopts star connection, mode by a plurality of cascades of cascade unit realizes that mesohigh is grid-connected, can adopt withstand voltage lower device for power switching to realize the power conversion of high voltage grade, be easy to modularization and Redundancy Design, battery is had to equalization function, DC side is introduced two-way DC/DC converter simultaneously, is conducive to guarantee the cycle life of battery.
According to an aspect of the present invention, provide a kind of chain static synchronous compensator with meritorious regulating power, comprising: three-phase cascade chain link, linked reactor, circuit breaker;
Each phase cascade chain link comprises the cascade unit of n AC series connection, one end of three-phase cascade chain link is connected and forms the neutral point of STATCOM, the other end of three-phase cascade chain link is connected with an end of corresponding linked reactor respectively, one end of the other end connecting breaker of linked reactor, the other end access three phase network of circuit breaker;
Linked reactor, for the high order harmonic component of filtering STATCOM grid-connected current;
Circuit breaker, for the cut-out of STATCOM when STATCOM breaks down or keep in repair and three phase network.
Preferably, the cascade unit comprises: H bridging parallel operation, filter capacitor, automatic switch, two-way DC/DC converter, battery pack;
The DC side of H bridging parallel operation is in parallel with filter capacitor, and two-way DC/DC converter is in parallel with filter capacitor by automatic switch, and battery pack is in parallel with two-way DC/DC converter;
Filter capacitor, for the high order harmonic component of filtering DC voltage, and store certain meritorious energy, with the quick response for meritorious adjusting;
Two-way DC/DC converter, for by the switching between Boost and Buck pattern, realize the bi-directional of direct current power, and H bridging parallel operation DC side pulse current is converted into to the direct current with certain ripple, effectively suppresses pulsating power 2 times.
Preferably, H bridging parallel operation comprises 4 device for power switching, each device for power switching consists of diode of an igbt inverse parallel, 4 device for power switching connect into single-phase H bridge construction, single-phase H bridge construction, for rectification and inversion, is realized the two-way flow of DC and AC energy.
According to another aspect of the present invention, also provide a kind of cascade unit, comprising: H bridging parallel operation, filter capacitor, automatic switch, two-way DC/DC converter, battery pack;
The DC side of H bridging parallel operation is in parallel with filter capacitor, and two-way DC/DC converter is in parallel with filter capacitor by automatic switch, and battery pack is in parallel with two-way DC/DC converter;
Filter capacitor, for the high order harmonic component of filtering DC voltage, and store certain meritorious energy, with the quick response for meritorious adjusting;
Two-way DC/DC converter, for by the switching between Boost and Buck pattern, realize the bi-directional of direct current power, and H bridging parallel operation DC side pulse current is converted into to the direct current with certain ripple, effectively suppresses pulsating power 2 times.
Preferably, H bridging parallel operation comprises 4 device for power switching, each device for power switching consists of diode of an igbt inverse parallel, 4 device for power switching connect into single-phase H bridge construction, single-phase H bridge construction, for rectification and inversion, is realized the two-way flow of DC and AC energy.
Compared with prior art, the present invention has following beneficial effect:
1) STATCOM is combined with BESS, can realize active power and Reactive Power Control simultaneously, more flexible and various electric energy regulatory function is provided.
2) adopt many level of star chain type structure, do not need step-up transformer, on volume, weight, occupation of land and cost, there is advantage, be easy to realize modularization, favorable expandability.
3) cascade unit DC side is introduced two-way DC/DC converter, and its Boost boosting has reduced the terminal voltage requirement to battery pack; Two-way DC/DC converter can effectively suppress pulsating power 2 times, but the independent regulation battery current is avoided the charging and discharging currents inequality, also can the people for the state-of-charge (SOC) of deviation to regulate each battery pack is provided, thereby guaranteed the cycle life of battery.
4) this structure can realize the equilibrium control of battery pack and the fault-tolerant control of system by control strategy.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is existing chain type STATCOM/BESS structure chart;
Fig. 2 is a kind of chain type STATCOM structure chart with meritorious regulating power that the present invention proposes;
The cascade cellular construction figure that Fig. 3 is the chain type STATCOM that proposes of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
The present invention is achieved by the following technical solutions:
The chain type STATCOM of the meritorious regulating power of band of the present invention comprises cascade unit, linked reactor and circuit breaker.
Each is by the AC of a described n cascade unit cascade chain link in series, one end of three-phase cascade chain link is connected and forms the neutral point of STATCOM, the other end of three-phase chain link is connected with an end of described linked reactor respectively, the other end of described linked reactor connects described circuit breaker one end, the other end access three phase network of described circuit breaker.
Described linked reactor is for the high order harmonic component of filtering STATCOM grid-connected current.
Described circuit breaker is for the cut-out of STATCOM when STATCOM breaks down or keep in repair and three phase network.
Described cascade unit consists of H bridging parallel operation, filter capacitor, automatic switch, two-way DC/DC converter and battery pack.Wherein, described H bridging parallel operation DC side is in parallel with described filter capacitor; Described two-way DC/DC converter is in parallel with described filter capacitor by automatic switch; Described battery pack and two-way DC/DC converter are in parallel.
Described H bridging parallel operation comprises 4 device for power switching, each device for power switching consists of diode of an igbt (IGBT) inverse parallel, 4 device for power switching connect into single-phase H bridge construction, for rectification and inversion, realize the two-way flow of DC and AC energy.
Described filter capacitor is used for the high order harmonic component of filtering DC voltage, and stores certain meritorious energy, can be used for the meritorious quick response of regulating.
Described two-way DC/DC converter comprises 2 device for power switching and 1 flat ripple inductance, by the switching between Boost and Buck pattern, realize the bi-directional of direct current power, and can effectively suppress pulsating power 2 times, wherein said flat ripple inductance plays flat ripple effect, and H bridging parallel operation DC side pulse current is converted into to the direct current with certain ripple.
Described battery pack is comprised of the battery module connection in series-parallel of some, and described battery module is comprised of the battery cell connection in series-parallel of some.
In the preference of the present embodiment, the topological structure of the chain type STATCOM of the meritorious regulating power of described band as shown in Figure 2, comprise 3n cascade unit (a1, a2 ... an, b1, b2 ..., bn, c1, c2 ..., cn), 3 linked reactor L and 3 circuit breaker K.
Described cascade unit as shown in Figure 3, by H bridging parallel operation, filter capacitor C, automatic switch K
1, two-way DC/DC converter and battery pack E form.
Described H bridging parallel operation comprises 4 device for power switching (S1, S2, S3, S4), and each switching device consists of diode of an IGBT inverse parallel, and S1, S2, S3 and S4 connect into single-phase H bridge construction.Described two-way DC/DC converter comprises 2 device for power switching (S5, S6) and 1 flat ripple inductance L
1.
Described H bridging parallel operation DC side is in parallel with described filter capacitor C; Described two-way DC/DC converter is by automatic switch K
1in parallel with described filter capacitor C; Described battery pack E and two-way DC/DC converter are in parallel; Each is by the AC of a described n cascade unit chain link in series, one end of three-phase chain link is connected and forms the neutral point N of STATCOM, the other end of three-phase chain link is connected with described linked reactor L mono-end respectively, the other end of described linked reactor L connects the end of described circuit breaker K, the other end access three phase network of described circuit breaker K.
When STATCOM moves, produce by modulation algorithm device for power switching S1, S2, S3 and the S4 that trigger impulse is controlled each cascade unit, regulate amplitude and the phase place of STATCOM output voltage, thereby realize meritorious and idle continuous adjusting.
Each two-way DC/DC converter using triangular wave comparison method generates the gate pulse of switching device S5 and S6, controls the battery charging and discharging electric current that flows through flat ripple inductance, by the switching between Boost and Buck pattern, realizes the bi-directional of direct current power.
When deviation occurs in the SOC of battery pack, can STATCOM neutral point N be offset by control strategy, pass through severally discharging and recharging the cycle and can realize the equilibrium of each battery pack SOC.
When certain cascade unit breaks down, control trigger impulse and open S1 and S3, turn-off S2 and S4, get final product bypass failure level receipts or other documents in duplicate unit; Adopt control strategy that STATCOM neutral point N is offset simultaneously, realize the fault-tolerant operation of STATCOM.
The described STATCOM of the present embodiment not only can carry out reactive power compensation to nonlinear load, and can with idle instruction, be regulated the meritorious of grid side simultaneously, promote intermittent renewable energy source power, solve the multiple power quality problems such as voltage fluctuation and flicker, voltage falling and frequency departure.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. the chain static synchronous compensator of the meritorious regulating power of band, is characterized in that, comprising: three-phase cascade chain link, linked reactor, circuit breaker;
Each phase cascade chain link comprises the cascade unit of n AC series connection, one end of three-phase cascade chain link is connected and forms the neutral point of STATCOM, the other end of three-phase cascade chain link is connected with an end of corresponding linked reactor respectively, one end of the other end connecting breaker of linked reactor, the other end access three phase network of circuit breaker;
Linked reactor, for the high order harmonic component of filtering STATCOM grid-connected current;
Circuit breaker, for the cut-out of STATCOM when STATCOM breaks down or keep in repair and three phase network.
2. the chain static synchronous compensator of the meritorious regulating power of band according to claim 1, is characterized in that, the cascade unit comprises: H bridging parallel operation, filter capacitor, automatic switch, two-way DC/DC converter, battery pack;
The DC side of H bridging parallel operation is in parallel with filter capacitor, and two-way DC/DC converter is in parallel with filter capacitor by automatic switch, and battery pack is in parallel with two-way DC/DC converter;
Filter capacitor, for the high order harmonic component of filtering DC voltage, and store certain meritorious energy, with the quick response for meritorious adjusting;
Two-way DC/DC converter, for by the switching between Boost and Buck pattern, realize the bi-directional of direct current power, and H bridging parallel operation DC side pulse current is converted into to the direct current with certain ripple, effectively suppresses pulsating power 2 times.
3. the chain static synchronous compensator of the meritorious regulating power of band according to claim 2, it is characterized in that, H bridging parallel operation comprises 4 device for power switching, each device for power switching consists of diode of an igbt inverse parallel, 4 device for power switching connect into single-phase H bridge construction, single-phase H bridge construction, for rectification and inversion, is realized the two-way flow of DC and AC energy.
4. a cascade unit, is characterized in that, comprising: H bridging parallel operation, filter capacitor, automatic switch, two-way DC/DC converter, battery pack;
The DC side of H bridging parallel operation is in parallel with filter capacitor, and two-way DC/DC converter is in parallel with filter capacitor by automatic switch, and battery pack is in parallel with two-way DC/DC converter;
Filter capacitor, for the high order harmonic component of filtering DC voltage, and store certain meritorious energy, with the quick response for meritorious adjusting;
Two-way DC/DC converter, for by the switching between Boost and Buck pattern, realize the bi-directional of direct current power, and H bridging parallel operation DC side pulse current is converted into to the direct current with certain ripple, effectively suppresses pulsating power 2 times.
5. cascade according to claim 4 unit, it is characterized in that, H bridging parallel operation comprises 4 device for power switching, each device for power switching consists of diode of an igbt inverse parallel, 4 device for power switching connect into single-phase H bridge construction, single-phase H bridge construction, for rectification and inversion, is realized the two-way flow of DC and AC energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103359295A CN103457271A (en) | 2013-08-02 | 2013-08-02 | Chained static synchronous compensator with active power adjusting capacity and cascading unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103359295A CN103457271A (en) | 2013-08-02 | 2013-08-02 | Chained static synchronous compensator with active power adjusting capacity and cascading unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103457271A true CN103457271A (en) | 2013-12-18 |
Family
ID=49739363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103359295A Pending CN103457271A (en) | 2013-08-02 | 2013-08-02 | Chained static synchronous compensator with active power adjusting capacity and cascading unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103457271A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162135A (en) * | 2015-08-28 | 2015-12-16 | 武汉工程大学 | Cascaded static var generator and control method thereof |
| CN105226687A (en) * | 2014-06-19 | 2016-01-06 | �林昌明 | A kind of energy-storage system topological structure being applicable to large-scale photovoltaic generating |
| CN105897018A (en) * | 2016-05-17 | 2016-08-24 | 中国电力科学研究院 | Topological structure and control method of high-voltage and high-capacity energy storage converter |
| CN107994801A (en) * | 2017-12-08 | 2018-05-04 | 浙江大学 | A kind of cascade connection type single-stage two-way DC-AC converter topologies |
| CN108183622A (en) * | 2018-02-28 | 2018-06-19 | 苏州唯控汽车科技有限公司 | More level tandem type inversion outputs-direct grid charging integration apparatus |
| CN108233392A (en) * | 2018-01-24 | 2018-06-29 | 中国矿业大学(北京) | Based on Advanced Static Var Compensator of the cascade without bridging current circuit |
| WO2018192191A1 (en) * | 2017-04-19 | 2018-10-25 | 上海蔚来汽车有限公司 | Chained energy storage device and energy storage power station |
| CN109088424A (en) * | 2018-09-27 | 2018-12-25 | 哈尔滨理工大学 | A kind of tandem type is multi-functional from grid-connected energy-storage system and its control method |
| CN109301912A (en) * | 2018-10-12 | 2019-02-01 | 苏州唯控汽车科技有限公司 | Electric vehicle plugs in the single-phase three-phase matrix form that turns of voltage matches and switches switch |
| CN109546877A (en) * | 2018-12-02 | 2019-03-29 | 常州天曼智能科技有限公司 | A kind of static synchronous compensating device |
| CN111244995A (en) * | 2020-03-12 | 2020-06-05 | 荣信汇科电气技术有限责任公司 | Three-phase multi-level high-voltage energy storage device and control method thereof |
| CN111419383A (en) * | 2020-03-30 | 2020-07-17 | 四川锦江电子科技有限公司 | Combined pulse generation circuit and method applied to pulsed electric field ablation technology |
| CN112436534A (en) * | 2020-11-18 | 2021-03-02 | 新风光电子科技股份有限公司 | Cascade H bridge energy storage system direct current side filter circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710704A (en) * | 2009-12-17 | 2010-05-19 | 清华大学 | Electric energy adjustment device for active and reactive power adjustment of high-voltage system |
| CN102969730A (en) * | 2012-11-16 | 2013-03-13 | 上海交通大学 | Control method of double stage chain type energy storage converter |
-
2013
- 2013-08-02 CN CN2013103359295A patent/CN103457271A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710704A (en) * | 2009-12-17 | 2010-05-19 | 清华大学 | Electric energy adjustment device for active and reactive power adjustment of high-voltage system |
| CN102969730A (en) * | 2012-11-16 | 2013-03-13 | 上海交通大学 | Control method of double stage chain type energy storage converter |
Non-Patent Citations (4)
| Title |
|---|
| 万承宽 等: "基于星形接法的三相链式功率调节系统直流母线电压平衡控制", 《电工技术学报》, vol. 27, no. 12, 31 December 2012 (2012-12-31), pages 256 - 263 * |
| 万承宽 等: "有功和无功功率可调的级联式电能装置及其控制方法", 《电力电子》, no. 3, 30 June 2010 (2010-06-30), pages 49 - 54 * |
| 周宏林 等: "一种双向级联式BuckBoost逆变器的建模与分析", 《电源学报》, no. 3, 31 May 2012 (2012-05-31), pages 18 - 22 * |
| 姜旭 等: "H桥级联式SSSC直流侧电容值选择及自励启动充能策略", 《电力系统自动化》, vol. 31, no. 3, 10 February 2007 (2007-02-10), pages 41 - 46 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226687A (en) * | 2014-06-19 | 2016-01-06 | �林昌明 | A kind of energy-storage system topological structure being applicable to large-scale photovoltaic generating |
| CN105162135A (en) * | 2015-08-28 | 2015-12-16 | 武汉工程大学 | Cascaded static var generator and control method thereof |
| CN105162135B (en) * | 2015-08-28 | 2019-10-08 | 武汉工程大学 | Cascade connection type static reactive generator and control method |
| CN105897018B (en) * | 2016-05-17 | 2021-10-01 | 中国电力科学研究院 | Topological structure of high-voltage high-capacity energy storage converter and control method |
| CN105897018A (en) * | 2016-05-17 | 2016-08-24 | 中国电力科学研究院 | Topological structure and control method of high-voltage and high-capacity energy storage converter |
| WO2018192191A1 (en) * | 2017-04-19 | 2018-10-25 | 上海蔚来汽车有限公司 | Chained energy storage device and energy storage power station |
| CN107994801A (en) * | 2017-12-08 | 2018-05-04 | 浙江大学 | A kind of cascade connection type single-stage two-way DC-AC converter topologies |
| CN108233392A (en) * | 2018-01-24 | 2018-06-29 | 中国矿业大学(北京) | Based on Advanced Static Var Compensator of the cascade without bridging current circuit |
| CN108183622A (en) * | 2018-02-28 | 2018-06-19 | 苏州唯控汽车科技有限公司 | More level tandem type inversion outputs-direct grid charging integration apparatus |
| CN109088424A (en) * | 2018-09-27 | 2018-12-25 | 哈尔滨理工大学 | A kind of tandem type is multi-functional from grid-connected energy-storage system and its control method |
| CN109088424B (en) * | 2018-09-27 | 2024-03-29 | 哈尔滨理工大学 | Cascade type multifunctional grid-connected off energy storage system and control method thereof |
| CN109301912A (en) * | 2018-10-12 | 2019-02-01 | 苏州唯控汽车科技有限公司 | Electric vehicle plugs in the single-phase three-phase matrix form that turns of voltage matches and switches switch |
| CN109301912B (en) * | 2018-10-12 | 2024-02-20 | 苏州唯控汽车科技有限公司 | Single-phase to three-phase matrix type change-over switch for direct charging voltage matching of electric vehicle |
| CN109546877A (en) * | 2018-12-02 | 2019-03-29 | 常州天曼智能科技有限公司 | A kind of static synchronous compensating device |
| CN111244995A (en) * | 2020-03-12 | 2020-06-05 | 荣信汇科电气技术有限责任公司 | Three-phase multi-level high-voltage energy storage device and control method thereof |
| CN111419383A (en) * | 2020-03-30 | 2020-07-17 | 四川锦江电子科技有限公司 | Combined pulse generation circuit and method applied to pulsed electric field ablation technology |
| CN111419383B (en) * | 2020-03-30 | 2021-08-10 | 四川锦江电子科技有限公司 | Combined pulse generation circuit and method applied to pulsed electric field ablation technology |
| CN112436534A (en) * | 2020-11-18 | 2021-03-02 | 新风光电子科技股份有限公司 | Cascade H bridge energy storage system direct current side filter circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103457271A (en) | Chained static synchronous compensator with active power adjusting capacity and cascading unit thereof | |
| Pires et al. | Power converter interfaces for electrochemical energy storage systems–A review | |
| US10418916B2 (en) | Circuits of voltage source DC/AC converter with LCCL or LCC filter and other modified forms, and operation of microgrid with such circuits | |
| CN104917418B (en) | A kind of accumulation energy type MMC current transformers of use battery current independent control | |
| CN104078992A (en) | Energy-storage voltage-balanced power electronic electric energy converting system and control method thereof | |
| CN106602565A (en) | Electric vehicle charging station power supply system based on solid-state transformer | |
| CN104158211B (en) | Based on many power grids system control method of Modular multilevel converter | |
| CN107834602B (en) | Micro-grid system with micro-source half-bridge converter connected in series | |
| CN203800680U (en) | Large power bidirectional deflector capable of supporting access of multiple cell groups | |
| CN110022071B (en) | Hybrid energy storage type direct current transformer and control method thereof | |
| CN203251228U (en) | Bidirectional energy storage converter | |
| CN103580048A (en) | Chained battery energy storage system integrated with active power filter | |
| CN104218805A (en) | Unipolar-bipolar convertible direct-current converter | |
| CN100483917C (en) | Renewable energy feed-back parallel network circuit and its control device | |
| Guo et al. | Energy storable VSC-HVDC system based on modular multilevel converter | |
| Carr et al. | A high frequency link multiport converter utility interface for renewable energy resources with integrated energy storage | |
| Xu et al. | The modular current-fed high-frequency isolated matrix converters for wind energy conversion | |
| Camara et al. | Control strategy of hybrid sources for transport applications using supercapacitors and batteries | |
| CN108199603B (en) | Multi-winding time-sharing power supply isolation flyback direct current chopper type single-stage multi-input inverter | |
| Elsayad et al. | A cascaded high frequency AC link system for large-scale PV-assisted EV fast charging stations | |
| Yallamilli et al. | Power management of grid connected hybrid microgrid with dual voltage source inverter | |
| Jin et al. | Nine-level she-pwm vsc based statcom for var compensation | |
| CN108023497B (en) | Series simultaneous power supply forward cycle conversion type single-stage multi-input high-frequency link inverter | |
| Ibrahim et al. | Hybrid energy storage systems | |
| CN108023496B (en) | Series simultaneous selection switch voltage type single-stage multi-input low-frequency link inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131218 |