CN112821417B - Generator output power control method, device, storage medium and equipment - Google Patents
Generator output power control method, device, storage medium and equipment Download PDFInfo
- Publication number
- CN112821417B CN112821417B CN202110006582.4A CN202110006582A CN112821417B CN 112821417 B CN112821417 B CN 112821417B CN 202110006582 A CN202110006582 A CN 202110006582A CN 112821417 B CN112821417 B CN 112821417B
- Authority
- CN
- China
- Prior art keywords
- generator
- generators
- power
- output
- compensation
- 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.)
- Active
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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
- H02J3/241—The oscillation concerning frequency
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/10—The dispersed energy generation being of fossil origin, e.g. diesel generators
Abstract
The invention discloses a method, a device, a storage medium and equipment for controlling output power of a generator, wherein a plurality of groups of generators are connected in a grid at a direct current side, and each generator in the plurality of groups of generators is aimed at: collecting output power of other generators connected with the generator in a grid mode; calculating the average power of a plurality of groups of generators based on the output power of the other generators and the self output power of the generators; determining the compensation power of the generator according to the average power of the plurality of groups of generators and the self output power of the generator; determining a compensation torque of the generator based on the compensation power of the generator; the generator output specifying torque is adjusted based on the compensation torque so that the generator outputs an average power. According to the method, information interaction is established among the multiple groups of generators, the average power of the multiple groups of generators is calculated, and torque compensation is carried out on each generator based on the average power, so that the output power of each generator in the whole system is balanced, and damage caused by unbalanced power in a grid-connected system is avoided.
Description
Technical Field
The present invention relates to the field of generators, and in particular, to a method, an apparatus, a storage medium, and a device for controlling output power of a generator.
Background
With the development of modern industry, electric energy is always the most used energy form in various countries. At present, the mode of electric energy transmission is mainly a power grid, and a small mobile independent power supply is required to be provided for applications such as field operation, aviation ships, vehicle power supplies and the like in places where the power grid cannot reach. The diesel generator is gradually developed as a mobile power supply, and the diesel engine drives the synchronous generator to generate power and then supplies the power to the driving load at the rear end.
Because the prior driving load adopts the VVF technology to drive the motor, the adoption of grid connection at the direct current side becomes a favorable choice for improving the compatibility and the stability of the whole system. Based on the stability and reliability of the whole system, a new technology of grid connection of the system from the direct current side is provided. However, for a small-sized power grid, the number of the generator sets is small, the change of the load is very easy to cause the change of the power grid, the frequency fluctuation of the power grid is caused, the active load distribution of each set is uneven, even some sets are overloaded, some sets are shifted to the motor state to run with reverse power, and the damage of a diesel engine and a generator is caused. In the prior art, a master-slave control mode is generally adopted to realize power balance, and once a master device has a problem, the whole system is easy to run away.
Disclosure of Invention
The invention aims to solve the technical problems that: and how to effectively balance and control the output power of a plurality of groups of generators in direct current grid connection.
In order to solve the technical problems, the invention provides a method, a device, a storage medium and equipment for controlling the output power of a generator.
In a first aspect of the present invention, there is provided a generator output power control method, in which a plurality of sets of generators are connected in grid on a direct current side, comprising, for each of the plurality of sets of generators:
collecting output power of other generators connected with the generator in a grid mode;
calculating the average power of a plurality of groups of generators based on the output power of the rest generators and the self output power of the generators;
determining the compensation power of the generator according to the average power of a plurality of groups of generators and the self output power of the generators;
determining a compensation torque of the generator based on the compensation power of the generator;
and adjusting the generator output designated torque according to the compensation torque so that the generator outputs the average power.
Optionally, the method for controlling the output power of the generator further comprises: collecting the output voltage of the direct current side of the generator in real time;
adjusting the generator output specified torque based on the compensating torque such that the generator outputs the average power comprises:
adjusting the generator to output a specified torque according to the compensation torque;
determining a given voltage on the direct current side of the generator according to the specified torque;
the generator is controlled to output the average power based on the dc side given voltage and the dc side output voltage of the generator.
Optionally, controlling the generator to output the average power based on the dc side given voltage and the dc side output voltage of the generator includes:
determining a compensation voltage of the generator based on the dc side given voltage and the dc side output voltage of the generator;
determining a compensated rotational speed of the generator based on the compensated voltage of the generator;
and controlling the generator to output a specified rotating speed according to the compensating rotating speed, so that the generator outputs the average power.
In a second aspect of the present invention, there is provided a generator output power control system comprising:
the collecting device is used for collecting the output power of the rest generators connected with the generator in a grid mode;
calculating means for calculating the average power of a plurality of sets of the generators based on the output powers of the remaining generators and the own output powers of the generators; determining the compensation power of the generator according to the average power of a plurality of groups of generators and the self output power of the generators; determining a compensation torque of the generator based on the compensation power of the generator;
and the adjusting device is used for adjusting the generator to output the specified torque according to the compensation torque so as to enable the generator to output the average power.
Optionally, the collecting device is further configured to collect, in real time, a dc side output voltage of the generator, and the adjusting device includes:
a torque adjustment module for adjusting the generator output specified torque according to the compensation torque determined by the calculation device;
a voltage adjustment module for determining a dc side given voltage of the generator according to the specified torque; and controlling the generator to output the average power based on the given voltage of the direct current side of the generator and the output voltage of the direct current side acquired by the acquisition device in real time.
Optionally, the voltage regulation module includes:
a calculation unit for determining a compensation voltage of the generator based on the dc side given voltage and the dc side output voltage of the generator;
an adjustment unit for determining a compensated rotational speed of the generator based on a compensated voltage of the generator;
and a control unit for controlling the generator to output a specified rotation speed according to the compensation rotation speed, so that the generator outputs the average power.
Optionally, the adjusting unit includes a proportional integral adjusting unit.
In a third aspect of the present invention, there is provided a storage medium having stored therein a computer program which, when executed by a processor, is capable of implementing a generator output power control method as described above.
In a fourth aspect of the invention, there is provided an apparatus comprising a memory and a controller for executing a computer program in the memory, the computer program when executed by the controller being capable of implementing a generator output power control method as described above.
One or more embodiments of the above-described solution may have the following advantages or benefits compared to the prior art:
by applying the method, the device, the storage medium and the equipment for controlling the output power of the generators, provided by the invention, a plurality of groups of generators are connected on the direct current side, and each generator in the plurality of groups of generators is aimed at: collecting output power of other generators connected with the generator in a grid mode; calculating the average power of a plurality of groups of generators based on the output power of the other generators and the self output power of the generators; determining the compensation power of the generator according to the average power of the plurality of groups of generators and the self output power of the generator; determining a compensation torque of the generator based on the compensation power of the generator; the generator output specifying torque is adjusted based on the compensation torque so that the generator outputs an average power. According to the method, information interaction is established among the multiple groups of generators, the average power of the multiple groups of generators is calculated, and torque compensation is carried out on each generator based on the average power, so that the output power of each generator in the whole system is balanced, and damage caused by unbalanced power in a grid-connected system is avoided.
Drawings
The scope of the present disclosure may be better understood by reading the following detailed description of exemplary embodiments in conjunction with the accompanying drawings. The drawings included herein are:
fig. 1 shows a schematic flow chart of a method for controlling output power of a generator according to an embodiment of the present invention;
FIG. 2 illustrates a flow chart for controlling the average power output by a generator according to a compensating torque;
fig. 3 is a schematic structural diagram of a generator output power control system according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a dc grid-connected system to which the method for controlling output power of a generator according to the embodiment of the present invention is applied.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the implementation method of the present invention will be given with reference to the accompanying drawings and examples, by which the technical means are applied to solve the technical problems, and the implementation process for achieving the technical effects can be fully understood and implemented accordingly.
With the development of modern industry, electric energy is always the most used energy form in various countries. At present, the mode of electric energy transmission is mainly a power grid, and a small mobile independent power supply is required to be provided for applications such as field operation, aviation ships, vehicle power supplies and the like in places where the power grid cannot reach. The diesel generator is gradually developed as a mobile power supply, and the diesel engine drives the synchronous generator to generate power and then supplies the power to the driving load at the rear end.
Because the prior driving load adopts the VVF technology to drive the motor, the adoption of grid connection at the direct current side becomes a favorable choice for improving the compatibility and the stability of the whole system. Based on the stability and reliability of the whole system, a new technology of grid connection of the system from the direct current side is provided. However, for a small-sized power grid, the number of the generator sets is small, the change of the load is very easy to cause the change of the power grid, the frequency fluctuation of the power grid is caused, the active load distribution of each set is uneven, even some sets are overloaded, some sets are shifted to the motor state to run with reverse power, and the damage of a diesel engine and a generator is caused. In the prior art, a master-slave control mode is generally adopted to realize power balance, and once a master device has a problem, the whole system is easy to run away.
In view of this, the present invention provides a method, apparatus, storage medium and device for controlling output power of a generator, in which a plurality of sets of generators are connected in grid on a direct current side, for each of the plurality of sets of generators: collecting output power of other generators connected with the generator in a grid mode; calculating the average power of a plurality of groups of generators based on the output power of the other generators and the self output power of the generators; determining the compensation power of the generator according to the average power of the plurality of groups of generators and the self output power of the generator; determining a compensation torque of the generator based on the compensation power of the generator; the generator output specifying torque is adjusted based on the compensation torque so that the generator outputs an average power. According to the method, information interaction is established among the multiple groups of generators, the average power of the multiple groups of generators is calculated, and torque compensation is carried out on each generator based on the average power, so that the output power of each generator in the whole system is balanced, and damage caused by unbalanced power in a grid-connected system is avoided.
Example 1
Referring to fig. 1, fig. 1 shows a flow chart of a method for controlling output power of a generator according to an embodiment of the present invention, where a plurality of groups of generators are connected to each other on a dc side, and for each generator in the plurality of groups of generators, the method includes:
step S101: and collecting the output power of other generators connected with the generator in a grid mode.
Step S102: the average power of the plurality of groups of generators is calculated based on the output power of the remaining generators and the output power of the generators themselves.
Step S103: and determining the compensation power of the generator according to the average power of the plurality of groups of generators and the self output power of the generator.
Step S104: based on the generator's compensation power, a generator's compensation torque is determined.
Step S105: the generator output specifying torque is adjusted based on the compensation torque so that the generator outputs an average power.
In the embodiment of the invention, information interaction is established among the plurality of groups of generators, and the output power of the other generators in the grid-connected system can be obtained for each generator, so that the average power of the plurality of groups of generators can be calculated according to the output power of the other generators and the self output power of the generators.
In step S103, as an example, the compensation power of the generator may be determined by subtracting the calculated average power of the plurality of sets of generators from the self output power of the generator.
In the embodiment of the present invention, step S104 may specifically be to input the compensation power of the generator into a Proportional Integral (PI) regulator or a synovial membrane observer, and output the compensation torque of the generator after the adjustment. The specified torque is output by the generator based on the compensation torque, so that the average power is output by the generator, the same power can be output by each generator in the grid-connected system, and the balance of the output power of a plurality of groups of generators in the direct-current side grid-connected system is controlled.
It should be noted that, in the embodiment of the present invention, the method may further include: the step S105, referring to fig. 2, may be specifically performed to collect the output voltage of the dc side of the generator in real time:
step S1051: and adjusting the generator output designated torque according to the compensation torque.
Step S1052: the DC side given voltage of the generator is determined based on the specified torque.
Step S1053: the generator output average power is controlled based on the dc side given voltage and the dc side output voltage of the generator.
As an example, step S1053 may be specifically: determining a compensation voltage of the generator based on the given voltage on the direct current side and the output voltage on the direct current side of the generator; determining a compensated rotational speed of the generator based on the compensated voltage of the generator; and controlling the generator to output a specified rotating speed according to the compensating rotating speed, so that the generator outputs average power.
The method comprises the steps of determining a compensation voltage of a generator based on a given voltage of a direct current side and an output voltage of the direct current side of the generator, wherein the compensation voltage of the generator can be calculated to be a difference value between the given voltage of the direct current side and the output voltage of the direct current side of the generator, and regulating and controlling the generator by taking the difference value as the compensation voltage so as to control the voltage of the direct current side of the generator to be stable, so that the stability of output power in a grid-connected system is facilitated.
According to the method for controlling the output power of the generators, which is provided by the embodiment of the invention, the plurality of groups of generators are connected on the direct current side, the average power of the plurality of groups of generators is calculated by collecting the output power of the other generators connected with the generators for each generator in the plurality of groups of generators and based on the output power of the other generators and the self output power of the generators, the compensation power of the generators is determined based on the average power of the plurality of groups of generators and the self output power of the generators, the compensation torque of the generators is determined based on the compensation power of the generators, and the designated torque is regulated to be output by the generators according to the compensation torque so as to ensure that the average power is output by the generators. According to the method, information interaction is established among the multiple groups of generators, the average power of the multiple groups of generators is calculated, and torque compensation is carried out on each generator based on the average power, so that the output power of each generator in the whole system is balanced, and damage caused by unbalanced power in a grid-connected system is avoided. In addition, the compensation voltage pair is determined based on the given voltage of the direct current side and the output voltage of the direct current side of the generator, and the generator is regulated and controlled based on the compensation voltage, so that the voltage of the direct current side of the generator can be controlled to be stable, and the stability of the output power in a grid-connected system is further facilitated.
Example two
Referring to fig. 3, fig. 3 shows a schematic structural diagram of a generator output power control system according to an embodiment of the present invention, which includes:
and the acquisition device 31 is used for acquiring the output power of the rest generators connected with the generator in a grid mode.
A calculating means 32 for calculating the average power of the plurality of sets of generators based on the output powers of the remaining generators and the own output powers of the generators; determining the compensation power of the generator according to the average power of the plurality of groups of generators and the self output power of the generator; based on the generator's compensation power, a generator's compensation torque is determined.
And an adjusting device 33 for adjusting the generator output specified torque based on the compensation torque so that the generator outputs the average power.
In a grid-connected system of a plurality of groups of generators on a direct current side, information interaction can be performed among generator output power control devices corresponding to different generators. The collecting device 31 can collect output power of other generators connected with the generator in a grid, and in addition, the collecting device 31 can also be used for collecting output voltage of the direct current side of the generator in real time.
In an embodiment of the present invention, as an example, the adjusting device 33 may include:
a torque adjustment module 331 for adjusting the generator output specification torque in accordance with the compensation torque determined by the calculation device 32;
a voltage adjustment module 332 for determining a dc side given voltage of the generator based on the specified torque; and controlling the generator to output average power based on the given voltage of the direct current side of the generator and the output voltage of the direct current side acquired in real time by the acquisition device.
The voltage adjustment module 332 may include:
a calculation unit for determining a compensation voltage of the generator based on the dc side given voltage and the dc side output voltage of the generator;
an adjusting unit for determining a compensated rotational speed of the generator based on the compensated voltage of the generator;
and a control unit for controlling the generator to output a specified rotation speed according to the compensation rotation speed, thereby enabling the generator to output average power.
As an example, the adjusting unit may be a proportional integral adjusting unit.
The above is a generator output power control device provided in the embodiment of the present invention, where the collecting device 31 is configured to collect output powers of other generators connected to the generator in a grid; the calculating means 32 is configured to calculate average powers of the plurality of groups of generators based on the output powers of the remaining generators and the self-output powers of the generators, determine compensation powers of the generators based on the average powers of the plurality of groups of generators and the self-output powers of the generators, determine compensation torque of the generators based on the compensation powers of the generators, and determine the compensation torque according to the compensation torque; the regulating means 33 is used to regulate the generator output specific torque so that the generator outputs an average power. By establishing information interaction among the multiple groups of generators, the average power of the multiple groups of generators is calculated, and torque compensation is carried out on each generator based on the average power, so that the output power of each generator in the whole system is balanced, and damage caused by unbalanced power in a grid-connected system is avoided. In addition, the compensation voltage pair is determined based on the given voltage of the direct current side and the output voltage of the direct current side of the generator, and the generator is regulated and controlled based on the compensation voltage, so that the voltage of the direct current side of the generator can be controlled to be stable, and the stability of the output power in a grid-connected system is further facilitated.
Example III
Referring to fig. 4, fig. 4 shows a schematic structural diagram of a dc grid-connected system to which the method for controlling output power of a generator according to the embodiment of the present invention is applied.
The direct current grid-connected system comprises two diesel engines, each diesel engine is respectively connected with a generator, according to motor characteristics and vector control, when the system is in a braking state, namely, under the condition that the speed is positive and the torque is negative, the mechanical energy of the diesel engines is converted into electric energy through the generators, wherein the generators can be permanent magnet generators, three-phase alternating current generated by the generators is converted into direct current through a power generation control module, and the voltage of the direct current can be adjusted. The input end of the generator output power control system can be connected with the generator control module, and the output end of the generator output power control system can be connected with the corresponding generator. In addition, the output end of the power generation control module is connected with the load, wherein a converter can be arranged in the power generation control module, the power generator controls the converter to output stable direct-current voltage and then is connected with the direct-current voltages output by other power generators in a grid mode, and the direct-current voltage after grid connection can drive various loads after being converted through VVF.
The power generator output power control system can determine the compensation torque and send a control command to the power generator based on the determined compensation torque so as to control the power generator to output a specified torque, further control the power generator to output average power, and realize balance control of the output power of multiple groups of power generators in the grid-connected system at the direct current side.
In another aspect of the present application, there is also provided a storage medium having stored therein a computer program which, when executed by a processor, is capable of implementing the generator output power control method according to the first embodiment.
The processes, functions, methods and/or software described above may be recorded, stored or fixed in one or more computer-readable storage media that include program instructions to be computer-implemented to cause a controller to execute the program instructions. The media may also include program instructions, data files, data structures, and the like, alone or in combination. The media or program instructions may be specifically designed and understood by those skilled in the art of computer software, or may be well known and available to those skilled in the art of computer software. Examples of the computer readable medium include: magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CDROM discs and DVDs; magneto-optical media, such as optical disks; and hardware devices, specifically configured to store and execute program instructions, such as read-only memory (ROM), random Access Memory (RAM), flash memory, and the like. Examples of program instructions include both machine code, such as produced by a compiler, and files containing higher level code that may be executed by the computer using an interpreter. The described hardware devices may be configured to act as one or more software modules to perform the operations and methods described above, and vice versa. In addition, the computer readable storage medium may be distributed among networked computer systems, and the computer readable code or program instructions may be stored and executed in a decentralized manner.
Another aspect of the present invention provides an apparatus comprising a memory and a controller for executing a computer program in the memory, which when executed by the controller is capable of implementing a generator output power control method as described in the first embodiment.
It is noted that the device may include one or more controllers and memory, which may be connected via a bus or other means. The memory is used as a non-volatile computer readable storage medium for storing non-volatile software programs, non-volatile computer executable programs, and modules. The processor executes various functional applications of the device and data processing by running non-volatile software programs, instructions and modules stored in the memory, i.e. implements the generator output power control method as described in the first embodiment above.
Although the embodiments of the present invention are disclosed above, the embodiments are only used for the convenience of understanding the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the present disclosure as defined by the appended claims.
Claims (5)
1. A method of generator output power control, wherein a plurality of sets of generators are connected in parallel on a dc side, comprising, for each of the plurality of sets of generators:
collecting output power of other generators connected with the generator in a grid mode;
calculating the average power of a plurality of groups of generators based on the output power of the rest generators and the self output power of the generators;
determining the compensation power of the generator according to the average power of a plurality of groups of generators and the self output power of the generators;
inputting the compensation power of the generator into a proportional integral regulator or a synovial membrane observer, and outputting the compensation torque of the generator after the adjustment;
collecting the output voltage of the direct current side of the generator in real time;
adjusting the generator to output a specified torque according to the compensation torque;
determining a given voltage on the direct current side of the generator according to the specified torque;
determining a compensation voltage of the generator based on the dc side given voltage and the dc side output voltage of the generator;
determining a compensated rotational speed of the generator based on the compensated voltage of the generator;
and controlling the generator to output a specified rotating speed according to the compensating rotating speed, so that the generator outputs the average power.
2. A generator output power control system characterized in that a plurality of sets of generators are connected in parallel on a direct current side, comprising, for each of the plurality of sets of generators:
the collecting device is used for collecting the output power of the rest generators connected with the generator in a grid mode;
calculating means for calculating the average power of a plurality of sets of the generators based on the output powers of the remaining generators and the own output powers of the generators; determining the compensation power of the generator according to the average power of a plurality of groups of generators and the self output power of the generators; inputting the compensation power of the generator into a proportional integral regulator or a synovial membrane observer, and outputting the compensation torque of the generator after the adjustment;
the acquisition device is also used for acquiring the output voltage of the direct current side of the generator in real time;
a torque adjustment module for adjusting the generator output specified torque according to the compensation torque determined by the calculation device;
a voltage adjustment module for determining a dc side given voltage of the generator according to the specified torque; determining a compensation voltage of the generator based on the dc side given voltage and the dc side output voltage of the generator; determining a compensated rotational speed of the generator based on the compensated voltage of the generator; and controlling the generator to output a specified rotating speed according to the compensating rotating speed, so that the generator outputs the average power.
3. The generator output power control system of claim 2, wherein the voltage regulation module is further configured to: a proportional-integral regulating unit is used for determining the compensating rotating speed of the generator based on the compensating voltage of the generator.
4. A storage medium having stored therein a computer program which, when executed by a processor, is capable of implementing the generator output power control method of claim 1.
5. An apparatus comprising a memory and a controller for executing a computer program in the memory, the computer program when executed by the controller being capable of implementing the generator output power control method of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006582.4A CN112821417B (en) | 2021-01-05 | 2021-01-05 | Generator output power control method, device, storage medium and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006582.4A CN112821417B (en) | 2021-01-05 | 2021-01-05 | Generator output power control method, device, storage medium and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112821417A CN112821417A (en) | 2021-05-18 |
| CN112821417B true CN112821417B (en) | 2023-05-30 |
Family
ID=75857262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110006582.4A Active CN112821417B (en) | 2021-01-05 | 2021-01-05 | Generator output power control method, device, storage medium and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112821417B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001258A (en) * | 2012-11-29 | 2013-03-27 | 江苏科技大学 | Method for uniformly allocating power used for ship power station and management device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7319307B2 (en) * | 2005-12-16 | 2008-01-15 | General Electric Company | Power balancing of multiple synchronized generators |
| CN101499664A (en) * | 2008-02-03 | 2009-08-05 | 北京能高自动化技术有限公司 | Low voltage traversing control method for wind power generation set grid-connection current transformer |
| CN101494384B (en) * | 2008-12-25 | 2010-12-08 | 吴晓勇 | Control circuit for multi-machine parallel connection of sine-wave generator and multi-machine parallel connection system |
| WO2014098104A1 (en) * | 2012-12-21 | 2014-06-26 | 川崎重工業株式会社 | Control method and control system for para llel operation between different types of power generator |
| CN110518600A (en) * | 2019-05-22 | 2019-11-29 | 国网辽宁省电力有限公司电力科学研究院 | A kind of grid-connected active support and control structure of PMSG of the modified multi-machine parallel connection based on VSG |
-
2021
- 2021-01-05 CN CN202110006582.4A patent/CN112821417B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001258A (en) * | 2012-11-29 | 2013-03-27 | 江苏科技大学 | Method for uniformly allocating power used for ship power station and management device |
Non-Patent Citations (1)
| Title |
|---|
| 基于直流电网的船舶电站高效控制策略研究;贾志强;《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》;20170215;第4-26页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112821417A (en) | 2021-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102474208B (en) | Control device for electric motor drive apparatus | |
| CN102934355B (en) | Control method and control device for an electric power regulator | |
| JP5715777B2 (en) | Control method of permanent magnet synchronous motor | |
| US8907612B2 (en) | Inverter for driving an electric motor comprising an integrated regulator | |
| CN109891735B (en) | System and method for reducing DC link voltage dynamics using limited energy storage elements | |
| KR20170015963A (en) | Method and device for optimizing efficiency of induction motor in electric vehicle | |
| CN107554741B (en) | Energy management method of hybrid power ship based on frequency method | |
| US10882407B2 (en) | Low engine speed electric accessory load regulation on moving vehicles | |
| Xu et al. | Capacitor-energy-based control of doubly salient brushless DC generator for dynamic performance optimization | |
| KR102017306B1 (en) | Apparatus and method for controlling cvcf ess capacity of stand-alone micro grid | |
| Kwon et al. | Load frequency-based power management for shipboard DC hybrid power systems | |
| Boukettaya et al. | A comparative study of three different sensorless vector control strategies for a Flywheel Energy Storage System | |
| CN112821417B (en) | Generator output power control method, device, storage medium and equipment | |
| Aymen et al. | An improved reactive power MRAS speed estimator with optimization for a hybrid electric vehicles application | |
| CN105490320A (en) | Energy storage method and system for photovoltaic power station | |
| CN110752762A (en) | Control method for parallel virtual capacitor of grid-connected converter | |
| US20180302019A1 (en) | Series-parallel electric vehicle drive system | |
| CN103546083A (en) | Methods, systems and apparatus for adjusting current and/or torque commands used to control operation of an asynchronous machine | |
| CN107681936B (en) | Dual-energy-source open-winding motor driving system for vehicle and power distribution method thereof | |
| CN107953880B (en) | System and method for controlling electrified vehicle | |
| CN111555353B (en) | Distributed control method and device for micro-grid system and storage medium | |
| JP2009213287A (en) | Rotary electric machine controller | |
| CN111049507B (en) | Method and device for turning off thyristor | |
| WO2021064206A1 (en) | Methods and systems for power management in a microgrid | |
| CN116388283B (en) | Off-grid parallel operation control method and device for multi-mobile energy storage system |
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 |