CN112886605A - Reactive compensation method and device - Google Patents
Reactive compensation method and device Download PDFInfo
- Publication number
- CN112886605A CN112886605A CN202110117703.2A CN202110117703A CN112886605A CN 112886605 A CN112886605 A CN 112886605A CN 202110117703 A CN202110117703 A CN 202110117703A CN 112886605 A CN112886605 A CN 112886605A
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- reactive
- data
- reactive compensation
- power factor
- power grid
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to the field of electrical equipment, and particularly discloses a reactive compensation method, which comprises the following steps: acquiring power grid data, and collecting and integrating the acquired data; analyzing the integrated data to obtain reactive data; classifying according to the reactive data and controlling the work of the reactive compensator; and carrying out closed-loop detection on the power factor of the power grid after reactive compensation. The invention has the advantage that the reactive power compensator of the corresponding type can be quickly started aiming at different types of reactive power.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to a reactive compensation method.
Background
Reactive compensation, called reactive power compensation, is a technology that plays a role in improving the power factor of a power grid in an electric power supply system, reduces the loss of a power supply transformer and a transmission line, improves the power supply efficiency, and improves the power supply environment. The reactive power compensation device is in an indispensable and very important place in the power supply system. The compensation device is reasonably selected, so that the loss of the power grid can be reduced to the maximum extent, and the quality of the power grid is improved. Conversely, improper selection or use may cause factors such as power supply system, voltage fluctuations, increased harmonics, etc.
However, because the power grid system is huge and the type and distribution of reactive power are extremely complex, a great problem is brought to reactive power compensation of the power grid, and improvement on the aspect of quickly making different reactive power compensation measures aiming at different situations is needed at present.
Disclosure of Invention
Aiming at the problem that the reactive power compensators of corresponding types cannot be automatically started aiming at different types of reactive power in the prior art, the invention aims to provide a reactive power compensation method which has the advantage that the reactive power compensators of corresponding types can be quickly started aiming at different types of reactive power.
The technical purpose of the invention is realized by the following technical scheme:
a reactive compensation method, comprising:
acquiring power grid data, and collecting and integrating the acquired data;
analyzing the integrated data to obtain reactive data;
classifying according to the reactive data and controlling the work of the reactive compensator;
and carrying out closed-loop detection on the power factor of the power grid after reactive compensation.
As a preferred technical solution of the present invention, the acquired power grid data are voltage values and current values of power grid detection points.
As a preferred technical solution of the present invention, the analyzing the integrated data to obtain the reactive data includes performing analysis operation on the integrated data at regular time to form average power factor data.
As a preferred technical solution of the present invention, the classification is performed according to the reactive data, and the reactive power compensators are controlled to perform comprehensive classification on the average power factor, and different reactive power compensators are respectively started to perform reactive power compensation according to the classification result.
As a preferred technical solution of the present invention, the closed-loop detection of the power factor of the power grid after reactive compensation is to compare the average power factor after reactive compensation, and modify a control strategy for the reactive compensator.
A reactive compensation apparatus, comprising:
the data acquisition module acquires power grid data and collects and synthesizes the acquired data;
the analysis module analyzes the integrated data to obtain reactive data;
the control module classifies according to the reactive data and controls the reactive compensator to work;
and the detection module is used for carrying out closed-loop detection on the power factor of the power grid after reactive compensation.
A terminal comprising a processor and a memory, the memory having stored thereon a computer program, the processor being configured to execute the computer program to perform the method described above.
A storage medium, characterized in that a computer program is stored which can be executed, which computer program, when executed, realizes the above-mentioned method.
The reactive compensation method and the device have the following beneficial effects: the power factor of the power grid can be calculated more accurately by obtaining the real-time voltage value and the real-time current value of the power grid, the average power factor data can be formed by analyzing and calculating the power factor of the power grid according to the timing, the reactive power type can be analyzed more accurately, and then the reactive power compensator of the corresponding type can be controlled and started accurately.
Drawings
Fig. 1 is a schematic diagram of a reactive compensation method according to the present embodiment.
Fig. 2 is a schematic diagram of a reactive power compensation device according to the present embodiment.
Detailed Description
The following examples are further illustrative of the present invention and are not intended to be limiting thereof.
A reactive compensation method, comprising:
acquiring power grid data, and collecting and integrating the acquired data;
analyzing the integrated data to obtain reactive data;
classifying according to the reactive data and controlling the work of the reactive compensator;
and carrying out closed-loop detection on the power factor of the power grid after reactive compensation.
As a preferred technical solution of the present invention, the acquired power grid data are voltage values and current values of power grid detection points.
As a preferred technical solution of the present invention, the analyzing the integrated data to obtain the reactive data includes performing analysis operation on the integrated data at regular time to form average power factor data.
As a preferred technical solution of the present invention, the classification is performed according to the reactive data, and the reactive power compensators are controlled to perform comprehensive classification on the average power factor, and different reactive power compensators are respectively started to perform reactive power compensation according to the classification result.
As a preferred technical solution of the present invention, the closed-loop detection of the power factor of the power grid after reactive compensation is to compare the average power factor after reactive compensation, and modify a control strategy for the reactive compensator.
A reactive compensation apparatus, comprising:
the data acquisition module acquires power grid data and collects and synthesizes the acquired data;
the analysis module analyzes the integrated data to obtain reactive data;
the control module classifies according to the reactive data and controls the reactive compensator to work;
and the detection module is used for carrying out closed-loop detection on the power factor of the power grid after reactive compensation.
A terminal comprising a processor and a memory, the memory having stored thereon a computer program, the processor being configured to execute the computer program to perform the method described above.
A storage medium, characterized in that a computer program is stored which can be executed, which computer program, when executed, realizes the above-mentioned method.
The above detailed description is specific to possible embodiments of the present invention, and the above embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included in the present claims.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like which is the control center for the computer device and which connects the various parts of the overall computer device using various interfaces and lines.
The memory may be used to store the computer programs and/or modules, and the processor may implement various functions of the computer device by running or executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The modules/units integrated by the computer device may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, all or part of the flow in the method according to the above embodiments may be implemented by a computer program, which may be stored in a computer readable storage medium and used by a processor to implement the steps of the above embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, electrical signals, software distribution medium, and the like.
Claims (8)
1. A reactive compensation method, comprising:
acquiring power grid data, and collecting and integrating the acquired data;
analyzing the integrated data to obtain reactive data;
classifying according to the reactive data and controlling the work of the reactive compensator;
and carrying out closed-loop detection on the power factor of the power grid after reactive compensation.
2. The reactive compensation method according to claim 1, wherein the obtained grid data are voltage values and current values of grid detection points.
3. The reactive compensation method of claim 1, wherein analyzing the integrated data to obtain the reactive data comprises performing an analysis operation on the integrated data to form average power factor data.
4. A reactive compensation method according to claim 3, wherein the classification is performed according to reactive data, and the reactive compensators are controlled to operate as a comprehensive classification of the average power factor, and different reactive compensators are respectively activated to perform reactive compensation according to the classification result.
5. The reactive compensation method of claim 4, wherein: and the closed-loop detection of the power factor of the power grid after reactive compensation is to compare the average power factor after reactive compensation and modify the control strategy of the reactive compensator.
6. A reactive compensation apparatus, comprising:
the data acquisition module acquires power grid data and collects and synthesizes the acquired data;
the analysis module analyzes the integrated data to obtain reactive data;
the control module classifies according to the reactive data and controls the reactive compensator to work;
and the detection module is used for carrying out closed-loop detection on the power factor of the power grid after reactive compensation.
7. A terminal, comprising a processor and a memory, the memory having stored thereon a computer program, the processor being configured to execute the computer program to perform the method of any of claims 1 to 5.
8. A storage medium storing a computer program executable to perform the method of any one of claims 1 to 5 when executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117703.2A CN112886605A (en) | 2021-01-28 | 2021-01-28 | Reactive compensation method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117703.2A CN112886605A (en) | 2021-01-28 | 2021-01-28 | Reactive compensation method and device |
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| CN112886605A true CN112886605A (en) | 2021-06-01 |
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| CN202110117703.2A Pending CN112886605A (en) | 2021-01-28 | 2021-01-28 | Reactive compensation method and device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022520A (en) * | 2014-06-20 | 2014-09-03 | 国网河北省电力公司衡水供电分公司 | Reactive power compensation device and method for power grid |
| CN104979836A (en) * | 2015-06-23 | 2015-10-14 | 国家电网公司 | Power grid reactive compensation method and system |
| CN205195289U (en) * | 2015-12-10 | 2016-04-27 | 杭州沃伦森电气有限公司 | Distributing type reactive compensation control system |
| US20170331288A1 (en) * | 2014-11-19 | 2017-11-16 | Mathieu PERCHAIS | Method for optimizing consumption of reactive energy |
| CN111668854A (en) * | 2020-05-18 | 2020-09-15 | 安徽徽电科技股份有限公司 | Compensation system for medium-high voltage power grid |
-
2021
- 2021-01-28 CN CN202110117703.2A patent/CN112886605A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022520A (en) * | 2014-06-20 | 2014-09-03 | 国网河北省电力公司衡水供电分公司 | Reactive power compensation device and method for power grid |
| US20170331288A1 (en) * | 2014-11-19 | 2017-11-16 | Mathieu PERCHAIS | Method for optimizing consumption of reactive energy |
| CN104979836A (en) * | 2015-06-23 | 2015-10-14 | 国家电网公司 | Power grid reactive compensation method and system |
| CN205195289U (en) * | 2015-12-10 | 2016-04-27 | 杭州沃伦森电气有限公司 | Distributing type reactive compensation control system |
| CN111668854A (en) * | 2020-05-18 | 2020-09-15 | 安徽徽电科技股份有限公司 | Compensation system for medium-high voltage power grid |
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Application publication date: 20210601 |