CN110718917A - Implementation method for constructing generation of power electronic harmonic resonance source - Google Patents
Implementation method for constructing generation of power electronic harmonic resonance source Download PDFInfo
- Publication number
- CN110718917A CN110718917A CN201911127001.1A CN201911127001A CN110718917A CN 110718917 A CN110718917 A CN 110718917A CN 201911127001 A CN201911127001 A CN 201911127001A CN 110718917 A CN110718917 A CN 110718917A
- Authority
- CN
- China
- Prior art keywords
- power electronic
- electronic devices
- grid
- harmonic resonance
- combination
- 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
Images
Classifications
-
- 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
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a realization method for constructing a power electronic harmonic resonance source, which comprises the following steps: establishing output admittance models of various power electronic devices; combining the multiple power electronic devices to form different harmonic resonance sources, wherein the output ends of the multiple power electronic devices in the combination are respectively connected to the same grid-connected point after being connected through a line impedance; establishing admittance models of the whole grid-connected system in different combination modes according to the combination modes of various power electronic devices; and performing resonance modal analysis based on the grid-connected system node admittance matrix by adopting a modal analysis method, and determining resonance frequency generated under the combination mode of various power electronic devices, thereby realizing generation of various harmonic resonance sources. The invention can realize the generation of various harmonic resonance sources through different combination modes of various power electronic devices.
Description
Technical Field
The invention relates to the technical field of power distribution system harmonic resonance electric energy quality research, in particular to a realization method for constructing a power electronic harmonic resonance source.
Background
When harmonic excitation occurs in a power system, parallel resonance or series resonance may occur, so that an overcurrent or overvoltage phenomenon occurs, and even damage to power elements is caused in a severe case, which affects the stability and normal operation of a power distribution system. In photovoltaic power stations, wind farms, and power systems including other new energy generation, devices are susceptible to overvoltage faults, and harmonic resonance problems therein are being addressed. At present, grid connection of multiple power electronic devices in a power distribution system generally exists, and due to factors such as output impedance characteristic difference of the power electronic devices, load nonlinearity, different control modes and the like, the systems are mutually coupled to form a complex high-order network. Various power electronic devices become harmonic resonance sources, so that the power distribution system is easy to have resonance problems, and the reliable and stable operation and the power quality of the power distribution system are seriously influenced. In order to improve and treat the harmonic resonance problem, the research on the harmonic resonance and the generation process thereof has important significance on the power system and the economic development of the modern society.
Under the condition that various power electronic devices are simultaneously connected to the grid, harmonic resonance sources are various and difficult to analyze, and typical harmonic resonance sources comprise a current mode control grid-connected inverter containing an inverter topology, a voltage mode control grid-connected inverter, a power distribution network static synchronous compensator and a dynamic voltage restorer. In order to research the occurrence characteristics of various harmonic resonance problems, a realization method for harmonic resonance source generation needs to be correspondingly constructed, and voltage and current waveforms, voltage and current harmonic content, harmonic resonance occurrence frequency and other harmonic resonance related information required by a test are provided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for realizing the generation of the harmonic resonance source of the power electronics, and the generation of various harmonic resonance sources can be realized through different combination modes of various power electronic devices.
The purpose of the invention is realized by the following technical scheme:
an implementation method for constructing a power electronic harmonic resonance source comprises the following steps:
s1, establishing output admittance models of various power electronic devices;
s2, combining the multiple power electronic devices to form different harmonic resonance sources, wherein the output ends of the multiple power electronic devices in the combination are respectively connected to the same grid-connected point after being connected through a line impedance;
s3, establishing admittance models of the whole grid-connected system in different combination modes according to the combination modes of various power electronic devices, wherein the admittance models comprise output admittance models and circuit equivalent admittance models of various power electronic devices at one side of a grid-connected point and power grid equivalent admittance models at the other side of the grid-connected point;
s4, establishing a grid-connected system node admittance model matrix, and performing resonance mode analysis;
and S5, determining the resonant frequency generated under the combination mode of various power electronic devices.
Preferably, the plurality of power electronics devices comprises a plurality of power electronics devices including an inverter topology.
Preferably, the power electronic device with the inverter topology comprises a current mode control grid-connected inverter, a voltage mode control grid-connected inverter, a power distribution network static synchronous compensator and a dynamic voltage restorer.
Preferably, in step S2, the combination of the plurality of power electronic devices includes a combination of a plurality of power electronic devices of the same type or a combination of a plurality of power electronic devices of different types.
Preferably, in step S2, the plurality of power electronic devices are combined to form different harmonic resonance sources, and the harmonic resonance sources include series harmonic resonance and parallel harmonic resonance of different frequencies.
Preferably, the harmonic resonance sources are formed by different combination modes of the power electronic devices.
The invention has the beneficial effects that:
the invention provides a realization method for constructing a power electronic harmonic resonance source generation, which comprises the following steps of modeling the self output admittance of various power electronic devices; combining a plurality of power electronic devices, wherein different combinations generate different harmonic resonance sources; establishing admittance models of the whole grid-connected system in different combination modes according to the combination modes of various power electronic devices; and performing resonance modal analysis based on the grid-connected system node admittance matrix by adopting a modal analysis method, and determining resonance frequency generated under a combination mode of various power electronic devices, thereby realizing generation of various harmonic resonance sources.
Drawings
FIG. 1 is a flow chart of a method for constructing a power electronic harmonic resonance source generation according to the present invention;
fig. 2 is a schematic structural diagram of simultaneous grid connection of two current mode control grid-connected inverters with the same parameters in embodiment 2 of the present invention;
fig. 3 is a schematic view of modal analysis when two current-mode control grid-connected inverters with the same parameters are simultaneously grid-connected according to embodiment 2 of the present invention;
fig. 4 is a schematic diagram illustrating analysis of harmonic content of voltage at each node when 11 parallel resonances occur when two current mode control grid-connected inverters with the same parameters are simultaneously connected to a grid in embodiment 2 of the present invention;
fig. 5 is a schematic diagram illustrating analysis of harmonic content of voltage at each node when 22 parallel resonances occur when two current mode control grid-connected inverters with the same parameters are simultaneously grid-connected in embodiment 2 of the present invention;
fig. 6 is a schematic structural diagram of simultaneous grid connection of two current mode control grid-connected inverters with different parameters according to embodiment 3 of the present invention;
fig. 7 is a schematic view of modal analysis when two current mode control grid-connected inverters with different parameters are simultaneously grid-connected according to embodiment 3 of the present invention;
fig. 8 is a schematic diagram illustrating analysis of voltage harmonic content of a node 1 and a node 2 when two current mode control grid-connected inverters with different parameters are simultaneously connected to a grid in embodiment 3 of the present invention;
fig. 9 is a schematic diagram of analyzing the voltage harmonic content of the node 3 and the node 4 when the current mode control grid-connected inverter with two different parameters is simultaneously grid-connected according to embodiment 3 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for realizing the generation of harmonic resonance sources of power electronics, which can realize the generation of various harmonic resonance sources according to requirements by different combination modes of various power electronic devices.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
an implementation method for constructing a power electronic harmonic resonance source generation is shown in fig. 1, and includes the following steps:
s1, establishing output admittance models of various power electronic devices;
s2, combining the multiple power electronic devices to form different harmonic resonance sources, wherein the output ends of the multiple power electronic devices in the combination are respectively connected to the same grid-connected point after being connected through a line impedance;
s3, establishing admittance models of the whole grid-connected system in different combination modes according to the combination modes of various power electronic devices, wherein the admittance models comprise output admittance models and circuit equivalent admittance models of various power electronic devices at one side of a grid-connected point and power grid equivalent admittance models at the other side of the grid-connected point;
s4, establishing a grid-connected system node admittance model matrix, and performing resonance mode analysis;
and S5, determining the resonant frequency generated under the combination mode of various power electronic devices.
The multiple power electronic devices comprise a plurality of power electronic devices with inverter topologies, and the power electronic devices with the inverter topologies comprise current mode control grid-connected inverters, voltage mode control grid-connected inverters, power distribution network static synchronous compensators and dynamic voltage restorers.
Further, in step S2, the combination of the plurality of power electronic devices includes a combination of a plurality of power electronic devices of the same type or a combination of a plurality of power electronic devices of different types, and the plurality of power electronic devices are combined to form different harmonic resonance sources, where the harmonic resonance sources include series harmonic resonance and parallel harmonic resonance of different frequencies.
Preferably, the harmonic resonance sources are formed by different combination modes of the power electronic devices.
Example 2:
fig. 2 is a schematic structural diagram of simultaneous grid connection of two current-mode control grid-connected inverters with the same parameters according to the embodiment of the present invention. The parameters of the current mode control grid-connected inverter 1 and the current mode control grid-connected inverter 2 in fig. 2 are set to be the same.
And the table 1 shows the two current mode control grid-connected inverters with the same parameters and the setting of the parameters of the power grid. The two current mode control grid-connected inverters with the same parameters are respectively connected to the same grid-connected point through line impedances Yf1 and Yf2, Yg is equivalent impedance of a power grid, and ug is voltage of the power grid. The type of harmonic resonance source may be determined by modal analysis. The modal analysis method is based on a node admittance matrix of a grid-connected system consisting of the two current type grid-connected inverters with the same parameters, and harmonic resonance related information such as harmonic resonance frequency is obtained through matrix eigenvalue analysis.
TABLE 1 two identical parameter current mode control grid-connected inverters and grid parameters
Fig. 3 to fig. 5 are schematic diagrams of modal analysis results of two current mode control grid-connected inverters with the same parameters when grid connection is performed simultaneously and analysis of harmonic content of voltage of each node of a grid-connected system when parallel harmonic resonance occurs according to an embodiment of the present invention. The two same parameter current mode control grid-connected inverters are simultaneously connected to the grid, and parallel harmonic resonance can occur, namely the two same parameter current mode control grid-connected inverters are simultaneously connected to the grid, and the generation of parallel harmonic resonance sources is realized.
Example 3:
fig. 6 is a schematic structural diagram of simultaneous grid connection of two current-mode control grid-connected inverters (named as a current-mode control grid-connected inverter a, a current-mode control grid-connected inverter B1, and a current-mode control grid-connected inverter B2, respectively) with different parameters according to an embodiment of the present invention, where the current-mode control grid-connected inverter B1 and the current-mode control grid-connected inverter B2 have the same parameters. And the table 2 shows the two different parameter current mode control grid-connected inverters and the power grid parameter setting. The two different parameter current mode control grid-connected inverters are respectively connected to the same grid-connected point through line impedances Yf1, Yf2 and Yf3, Yg is the equivalent impedance of a power grid, and ug is the voltage of the power grid. The type of harmonic resonance source may be determined by modal analysis. The modal analysis method is based on a node admittance matrix of a grid-connected system formed by the two current type grid-connected inverters with different parameters, and harmonic resonance related information such as harmonic resonance frequency is obtained through matrix characteristic value analysis.
TABLE 2 two different parameters current mode control grid-connected inverter and grid parameters
Fig. 7 to 9 are schematic diagrams of modal analysis results of two different parameter current mode control grid-connected inverters simultaneously connected to the grid, and analysis of harmonic content of voltage at each node of the grid-connected system when parallel harmonic resonance occurs, according to an embodiment of the present invention. The two different parameter current mode control grid-connected inverters are simultaneously connected to the grid, and parallel harmonic resonance can occur, namely the two different parameter current mode control grid-connected inverters are simultaneously connected to the grid, and the generation of parallel harmonic resonance sources is realized.
The invention provides a realization method for constructing a power electronic harmonic resonance source, which comprises the steps of establishing output admittance models of various power electronic devices; combining various power electronic devices, wherein different combinations generate different harmonic resonance sources, and the combination mode comprises the combination of a plurality of power electronic devices of the same type and the combination of a plurality of power electronic devices of different types; according to the combination modes of various power electronic devices, establishing admittance models of the whole grid-connected system under each combination mode, wherein the admittance models comprise output admittance models of various power electronic devices, circuit equivalent admittance models and power grid equivalent admittance models; and performing resonance modal analysis based on the grid-connected system node admittance matrix by adopting a modal analysis method, and determining resonance frequency generated under the combination mode of various power electronic devices, thereby realizing generation of various harmonic resonance sources. The invention provides a method for realizing the generation of harmonic resonance sources of power electronics, which can realize the generation of various harmonic resonance sources according to requirements by different combination modes of various power electronic devices.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. An implementation method for constructing a power electronic harmonic resonance source is characterized by comprising the following steps:
s1, establishing output admittance models of various power electronic devices;
s2, combining the multiple power electronic devices to form different harmonic resonance sources, wherein the output ends of the multiple power electronic devices in the combination are respectively connected to the same grid-connected point after being connected through a line impedance;
s3, establishing admittance models of the whole grid-connected system in different combination modes according to the combination modes of various power electronic devices, wherein the admittance models comprise output admittance models and circuit equivalent admittance models of various power electronic devices at one side of a grid-connected point and power grid equivalent admittance models at the other side of the grid-connected point;
s4, establishing a grid-connected system node admittance model matrix, and performing resonance mode analysis;
and S5, determining the resonant frequency generated under the combination mode of various power electronic devices.
2. The method of claim 1, wherein the plurality of power electronic devices comprises a plurality of power electronic devices having an inverter topology.
3. The method of claim 2, wherein the power electronics device with inverter topology comprises a current mode controlled grid-connected inverter, a voltage mode controlled grid-connected inverter, a static synchronous compensator of the distribution network and a dynamic voltage restorer.
4. The method of claim 1, wherein in step S2, the combination of power electronic devices includes a plurality of power electronic devices of the same type or a plurality of power electronic devices of different types.
5. The method as claimed in claim 1, wherein in step S2, the power electronic harmonic resonance sources are combined to form different harmonic resonance sources, and the harmonic resonance sources include series harmonic resonance and parallel harmonic resonance with different frequencies.
6. The method for constructing a power electronic harmonic resonance source generator according to claim 1 or 5, wherein the harmonic resonance sources are formed by different combinations of power electronic devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127001.1A CN110718917B (en) | 2019-11-18 | 2019-11-18 | Implementation method for constructing generation of power electronic harmonic resonance source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127001.1A CN110718917B (en) | 2019-11-18 | 2019-11-18 | Implementation method for constructing generation of power electronic harmonic resonance source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110718917A true CN110718917A (en) | 2020-01-21 |
| CN110718917B CN110718917B (en) | 2022-03-25 |
Family
ID=69215279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911127001.1A Active CN110718917B (en) | 2019-11-18 | 2019-11-18 | Implementation method for constructing generation of power electronic harmonic resonance source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110718917B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018784A (en) * | 2020-08-28 | 2020-12-01 | 四川大学 | Subsynchronous resonance tracing method based on synchronous phasor measurement data |
| CN112836341A (en) * | 2020-12-31 | 2021-05-25 | 华北电力大学（保定） | Harmonic deterioration analysis method of parameter-unknown grid-connected inverter based on impedance fitting |
| CN113991658A (en) * | 2021-11-02 | 2022-01-28 | 国网北京市电力公司 | Power equipment control method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106295231A (en) * | 2016-08-31 | 2017-01-04 | 上海交通大学 | A kind of marine wind electric field resonance suppressing method based on modal calculation |
| CN106896267A (en) * | 2017-02-07 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of Distribution Network Harmonics resonance improves modal analysis method |
| CN107994606A (en) * | 2017-11-27 | 2018-05-04 | 浙江大学 | Grid-connected inverter system method for analyzing stability under a kind of multi-frequency coupling factor Coexistence Situation |
| CN110266022A (en) * | 2019-06-28 | 2019-09-20 | 东南大学 | A method of assessing multi-inverter grid-connected system stability under double dimensions |
-
2019
- 2019-11-18 CN CN201911127001.1A patent/CN110718917B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106295231A (en) * | 2016-08-31 | 2017-01-04 | 上海交通大学 | A kind of marine wind electric field resonance suppressing method based on modal calculation |
| CN106896267A (en) * | 2017-02-07 | 2017-06-27 | 中国石油化工股份有限公司 | A kind of Distribution Network Harmonics resonance improves modal analysis method |
| CN107994606A (en) * | 2017-11-27 | 2018-05-04 | 浙江大学 | Grid-connected inverter system method for analyzing stability under a kind of multi-frequency coupling factor Coexistence Situation |
| CN110266022A (en) * | 2019-06-28 | 2019-09-20 | 东南大学 | A method of assessing multi-inverter grid-connected system stability under double dimensions |
Non-Patent Citations (1)
| Title |
|---|
| 徐修林: "含多并网逆变器的配电网谐振机理分析与抑制", 《中国优秀硕士学位论文全文数据库（电子期刊） 工程科技II辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018784A (en) * | 2020-08-28 | 2020-12-01 | 四川大学 | Subsynchronous resonance tracing method based on synchronous phasor measurement data |
| CN112836341A (en) * | 2020-12-31 | 2021-05-25 | 华北电力大学（保定） | Harmonic deterioration analysis method of parameter-unknown grid-connected inverter based on impedance fitting |
| CN112836341B (en) * | 2020-12-31 | 2023-04-11 | 华北电力大学（保定） | Harmonic deterioration analysis method of parameter-unknown grid-connected inverter based on impedance fitting |
| CN113991658A (en) * | 2021-11-02 | 2022-01-28 | 国网北京市电力公司 | Power equipment control method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110718917B (en) | 2022-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110718917B (en) | Implementation method for constructing generation of power electronic harmonic resonance source | |
| Block et al. | Power quality analyses of a large scale photovoltaic system | |
| CN110474342B (en) | Method for constructing power distribution network voltage sag disturbance treatment effect evaluation model | |
| Kotsopoulos et al. | Zero-crossing distortion in grid-connected PV inverters | |
| CN102904266B (en) | Method for determining inactive compensation capacity network adaptability of wind power plant | |
| Sun et al. | Modeling and analysis of data center power system stability by impedance methods | |
| Khan et al. | Evaluation of fault characteristic in microgrids dominated by inverter-based distributed generators with different control strategies | |
| Jiang et al. | Generalized impedance model and interaction analysis for multiple grid-forming and grid-following converters | |
| CN106655195B (en) | Active power distribution network high-frequency harmonic power flow calculation method | |
| CN115733133A (en) | Load model simulation method and system based on distributed electrochemical energy storage | |
| Rodriguez et al. | Simulation and analysis of distributed PV generation in a LV network using MATLAB-Simulink | |
| Quintero-Molina et al. | Power quality in AC islanded microgrids: Technical framework and state of the art review | |
| CN112072692A (en) | Impedance equivalence method and device for new energy power generation station | |
| CN110135039A (en) | Wind-powered electricity generation collects regional non-equilibrium among three phase voltages and determines method and device | |
| CN106849154B (en) | Photovoltaic power station node harmonic voltage and harmonic source sensitivity relation analysis method | |
| Li et al. | Medium-voltage megawatt power-electronic-based grid emulators: testing capability requirements and dynamics challenges–a review | |
| Liu et al. | A novel unbalanced power sharing control method for an islanded microgrid | |
| CN109376392B (en) | Overvoltage calculation method and system for series compensation device | |
| Li et al. | The algorithm for the parameters of AC filters in HVDC transmission system | |
| Castellanos et al. | Evaluation of harmonic distortion in the cigre residential low voltage network with photovoltaic penetration | |
| Song et al. | System-level stability of the CIGRE low voltage benchmark system: Definitions and extrapolations | |
| Jayakrishnan et al. | Fault ride through augmentation of microgrid | |
| Lin et al. | Evaluation of synchronous generators reactive power output during transient process | |
| Lai et al. | Distributed voltage control for DC mircogrids with coupling delays & noisy disturbances | |
| de Barcellos Martins et al. | Application of photovoltaic generation for harmonic distortion mitigation in a microgrid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |