CN110768258A - Comprehensive power quality optimization system for intelligent power distribution room - Google Patents
Comprehensive power quality optimization system for intelligent power distribution room Download PDFInfo
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- CN110768258A CN110768258A CN201911070267.7A CN201911070267A CN110768258A CN 110768258 A CN110768258 A CN 110768258A CN 201911070267 A CN201911070267 A CN 201911070267A CN 110768258 A CN110768258 A CN 110768258A
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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
- H02J3/01—Arrangements for reducing harmonics or ripples
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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
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
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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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a comprehensive power quality optimization system of an intelligent power distribution room, which comprises: the device is administered to power quality, and the device is administered to power quality includes active compensation unit and passive compensation unit, and active compensation unit and passive compensation unit all can set up on the device is administered to power quality in a pluggable way, when one of them damages, can pull out the independent maintenance with the compensation unit that damages, does not influence the use of other modules in the device is administered to power quality, has reduced later stage cost of maintenance.
Description
Technical Field
The invention relates to the field of power distribution of a power grid, in particular to a comprehensive power quality optimization system of an intelligent power distribution room.
Background
With the advance of urbanization in China, the number of distribution rooms in urban distribution networks is increasing day by day, and in urban distribution networks and power supply networks with concentrated industrial loads, the problem of power quality is remarkable, and the popularization of power electronic equipment and the increase of nonlinear loads cause the generation of some power quality problems, such as reactive power problems. Conventionally, a reactive power compensation product based on SVG (Static var generator) is generally used. However, the inventor finds that when the SVG-based reactive power compensation product is adopted in the process of realizing the traditional technology, once the equipment fails, the equipment cannot be maintained on site, the equipment needs to be stopped and dismantled for maintenance, the subsequent operation and maintenance cost is high, and the actual operation state and the actual operation effect cannot be guaranteed.
Disclosure of Invention
On the basis, it is necessary to provide an intelligent power distribution room comprehensive electric energy quality optimization system aiming at the problem that operation and maintenance costs are high after equipment fails when a SVG-based reactive compensation product is adopted in the conventional technology.
The utility model provides an intelligent power distribution room synthesizes electric energy quality optimizing system, includes: the system comprises a power quality management device, a relay protection information correlation module and a system information integrated controller;
the power quality management device is connected with a power grid, comprises an active compensation unit and a passive compensation unit which can be plugged in the power quality management device and is used for compensating the power grid;
the relay protection information correlation module is connected with the power quality management device and used for receiving power utilization information of the power quality management device;
the system information integrated controller is connected with the electric energy quality control device and the relay protection information association module and used for receiving the power utilization information sent by the relay protection information association module and controlling the active compensation unit and the passive compensation unit to compensate the power grid according to the power utilization information.
In one embodiment, the active compensation unit and the passive compensation unit have the same structure size, and include the same pluggable interfaces for pluggable connection with the power quality management device.
In one embodiment, the active compensation unit comprises a three-phase four-wire system compensation unit, and the passive compensation unit comprises a smart capacitor unit.
In one embodiment, the intelligent capacitor unit comprises a common complementary capacitor, a separate complementary capacitor and an interphase complementary capacitor.
In one embodiment, the capacity of the active compensation unit is within 35kvar, and the capacity of the passive compensation unit is within 60 kvar.
In one embodiment, the system further comprises a video monitoring device, which is in communication connection with the system information integrated controller, and is used for collecting video data of a power distribution room and sending the video data to the system information integrated controller.
In one embodiment, the system information integration controller comprises an operation unit, a communication unit and a control unit, wherein the operation unit and the communication unit are connected with the control unit.
In one embodiment, the arithmetic unit is configured to receive the power data and generate a power parameter according to the power data, the control unit generates a control strategy according to the power parameter, and the communication unit sends the control strategy to the active compensation unit and the passive compensation unit to compensate the power grid.
In one embodiment, the power parameters include an imbalance, a power factor, and harmonics.
In one embodiment, the system further comprises an alarm device connected with the system information integration controller;
the operation unit further extracts video abnormal information according to video data of the video monitoring device, the system information integrated controller generates an alarm strategy according to the video abnormal information, and the communication unit sends the alarm strategy to the alarm device so that the alarm device gives an alarm.
Among the above-mentioned intelligent power distribution room comprehensive electric energy quality optimization system, the device is administered to electric energy quality includes active compensation unit and passive compensation unit, and active compensation unit and passive compensation unit all can set up on the device is administered to electric energy quality in a pluggable way, when one of them damages, can pull out the compensation unit of damage and maintain alone, does not influence the use of other modules in the device is administered to electric energy quality, has reduced later stage cost of maintenance.
Drawings
Fig. 1 is a schematic diagram of a comprehensive power quality optimization system module of an intelligent power distribution room according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As mentioned in the background, in urban distribution networks, the problem of reactive power belongs to the general problem of the power quality of the power grid, and the reactive power causes the problems of power factor, reactive penalty, line loss, low voltage and the like. Reactive compensation is generally carried out by adopting a reactive compensation capacitor or a SVG-based reactive compensation product in the traditional technology. However, the actual operation rate of the reactive compensation capacitor is low, the fault rate is high, and the operation state of the capacitor lacks effective information access, so that the state of the capacitor cannot be monitored. The SVG-based reactive compensation product is large in equipment volume, and once equipment breaks down, the equipment needs to be stopped and dismantled for maintenance in later period, so that maintenance cost is high.
In view of the above technical problem, please refer to fig. 1, an embodiment of the present application provides an integrated power quality optimization system for an intelligent power distribution room, which includes a power quality management device 100, a relay protection information association module 200, and a system information integrated controller 300. The power quality management device 100 is connected in parallel to the power grid line, and includes a pluggable active compensation unit 110 and a pluggable passive compensation unit 120. The active compensation unit 110 has a high power density, and can cope with harmonics, perform reactive compensation, and adjust three-phase imbalance. In this embodiment, the module thickness of the active compensation unit 110 is 2U, and the volume is small. The passive compensation unit 120 may also perform reactive compensation and adjust three-phase imbalance.
The relay protection information association module 200 is connected to the power quality management device 110, and is configured to receive power consumption information of the power quality management device. The relay protection information association module 200 is further in communication connection with the system information integrated controller 300, and transmits the power consumption information to the system information integrated controller 300. The system information integrated controller 300 performs calculation on the received power utilization information and generates a corresponding control strategy to control the active compensation unit 110 and the passive compensation unit 120 to compensate the power grid.
In the comprehensive power quality optimization system for the intelligent power distribution room provided by the above embodiment, the power quality management device 100 includes the active compensation unit 110 and the passive compensation unit 120, and the active compensation unit 110 and the passive compensation unit 120 are both arranged on the power quality management device 110 in a pluggable manner, when one of them is damaged, the damaged compensation unit can be pulled down for independent maintenance, the use of other modules in the power quality management device 110 is not affected, and the later maintenance cost is reduced.
Further, in one embodiment, the active compensation unit 110 and the passive compensation unit 120 are configured to be of a uniform size and have the same pluggable interface and communication interface for pluggable access to the power quality management device 100. The active compensation unit 110 includes a three-phase four-wire three-level compensation unit or a three-phase four-wire two-level compensation unit, taking the three-phase four-wire three-level active compensation unit as an example, the three-phase four-wire three-level active compensation unit includes a diode clamp three-level three-phase bridge power conversion unit, a midpoint of a direct current bus is connected with an N line of a power grid system, the three-level three-phase bridge power conversion unit is connected with an inverter inductor and a filter inductor, and is connected with a low-voltage 400V power distribution network in a grid-connected manner, an LCL type filter network is formed at the grid-connected end, and a damping resistor is connected in series with a filter branch and a capacitor, so that not only can switch ripples be effectively filtered, but also the risk of resonance with the system. The passive compensation unit includes intelligent capacitor unit, and intelligent capacitor unit can be including mending electric capacity, divide and mend electric capacity and alternate tonifying capacitance altogether, can compensate system reactive power, can administer unbalanced three-phase simultaneously. The capacity of the active compensation unit 110 in the above embodiment is within 35kvar, and the capacity of the passive compensation unit 120 is within 60 kvar.
The active compensation unit 110 and the passive compensation unit 120 provided in the above embodiments have the same structural size, electrical interface and communication interface, and thus the active compensation unit 110 and the passive compensation unit 120 are replaceable with each other to meet different use requirements.
In one embodiment, the system information integration controller 300 includes an arithmetic unit 310, a communication unit 320, and a control unit 330. After the system information integrated controller 300 receives the power utilization information sent by the relay protection information association module 300 through the communication unit 320, the operation unit 310 calculates power parameters according to the power utilization information, the control unit 310 generates a control strategy according to the power parameters, and the communication unit 320 sends the control strategy to the active compensation unit 110 and the passive compensation unit 120 to compensate the power grid. The electric parameters include the degree of unbalance, power factor, various harmonics and the like. It is understood that the relay protection information association module 200, the active compensation unit 110 and the passive compensation unit 120 are all provided with communication units adapted to the communication unit 320 in the system information integrated controller 300. In this embodiment, the relay protection information association module 200, the active compensation unit 110, and the passive compensation unit 120 may communicate with the system information integrated controller 300 in a micro-power manner.
Further, the operation unit 310 is further configured to determine whether each module of the power grid has a fault and generate corresponding fault information according to the information sent by the relay protection information association module 300, the control unit 330 generates a control instruction according to the fault information, and the communication unit 320 sends the control instruction to the relay protection information association module 200, so that the relay protection information association module 200 cuts off the corresponding faulty device.
Further, because the equipment of the traditional power distribution room is easily lost or damaged, such as a distribution terminal, transformer theft, cable theft, fire and the like, the safety performance of the power distribution room cannot be guaranteed. Therefore, in view of the above problems, an embodiment of the present application provides an integrated power quality optimization system for an intelligent distribution room, further including a video monitoring apparatus 400, communicatively connected to the system information integrated controller 300. The video monitoring apparatus 400 is installed in the power distribution room, and is configured to collect video data of the power distribution room and send the video data to the system information integrated controller 300. The arithmetic unit 310 extracts video abnormality information from the video data. The control unit 330 generates an alarm policy according to the video abnormality information and transmits the alarm policy through the communication unit 320. The comprehensive power quality optimization system for the intelligent power distribution room may further include an alarm device 500, communicatively connected to the system information integrated controller 300, and configured to receive an alarm policy sent by the system information integrated controller 300 and issue an alarm to remind a user.
According to the intelligent power distribution room comprehensive power quality optimization system provided by the embodiment, the active compensation unit 110 and the passive compensation unit 120 can be plugged into the power quality treatment device 100, so that the modularization of the active compensation unit 110 and the passive compensation unit 120 is realized. In addition, the active compensation unit 110 and the passive compensation unit 120 have the same structural size, the same electrical interface, and the same communication interface, and the two units can be arbitrarily mixed and plugged into the power quality management device 100, and the capacity expansion of the device can be simply realized. The system information integrated controller 300 is in communication connection with the power quality control device 100, the relay protection information association module 200 and the video monitoring device 400, so that a miniature internet of things can be formed, and a considerable, controllable and intelligent distribution network can be realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the 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. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an intelligent power distribution room synthesizes electric energy quality optimizing system which characterized in that includes: the system comprises a power quality management device, a relay protection information correlation module and a system information integrated controller;
the electric energy quality management device is connected with a power grid, comprises a pluggable active compensation unit and a pluggable passive compensation unit and is used for compensating the power grid;
the relay protection information correlation module is connected with the power quality management device and used for receiving power utilization information of the power quality management device;
the system information integrated controller is connected with the electric energy quality control device and the relay protection information association module and used for receiving the power utilization information sent by the relay protection information association module and controlling the active compensation unit and the passive compensation unit to compensate the power grid according to the power utilization information.
2. The integrated power quality optimization system for the intelligent power distribution room of claim 1, wherein the active compensation unit and the passive compensation unit have the same structure size and comprise the same pluggable interfaces for pluggable connection with the power quality management device.
3. The intelligent power distribution room integrated power quality optimization system of claim 2, wherein the active compensation unit comprises a three-phase four-wire system compensation unit and the passive compensation unit comprises an intelligent capacitor unit.
4. The intelligent distribution room integrated power quality optimization system of claim 3, wherein the intelligent capacitor units comprise a common compensation capacitor, a separate compensation capacitor and an interphase compensation capacitor.
5. The intelligent power distribution room integrated power quality optimization system according to claim 4, wherein the capacity of the active compensation unit is within 35kvar, and the capacity of the passive compensation unit is within 60 kvar.
6. The system for optimizing the quality of the comprehensive electric energy of the intelligent power distribution room as claimed in claim 1, further comprising a video monitoring device in communication connection with the system information integrated controller, for collecting video data of the power distribution room and sending the video data to the system information integrated controller.
7. The comprehensive power quality optimization system of the intelligent power distribution room as claimed in claim 6, wherein the system information integration controller comprises an arithmetic unit, a communication unit and a control unit, and the arithmetic unit and the communication unit are connected with the control unit.
8. The system according to claim 7, wherein the arithmetic unit is configured to receive the power consumption information and generate power parameters according to the power consumption information, the control unit generates a control strategy according to the power parameters, and the communication unit sends the control strategy to the active compensation unit and the passive compensation unit to compensate the power grid.
9. The intelligent power distribution room integrated power quality optimization system of claim 8, wherein the power parameters include imbalance, power factor, and harmonics.
10. The integrated power quality optimization system for the intelligent power distribution room according to claim 9, further comprising an alarm device connected to the system information integration controller;
the operation unit further extracts video abnormal information according to video data of the video monitoring device, the system information integrated controller generates an alarm strategy according to the video abnormal information, and the communication unit sends the alarm strategy to the alarm device so that the alarm device gives an alarm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953015A (en) * | 2021-03-23 | 2021-06-11 | 苏州国网同方电力建设工程有限公司 | Comprehensive electric energy quality optimization system of intelligent power distribution room |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281343A (en) * | 2015-11-05 | 2016-01-27 | 上海追日电气有限公司 | Modular series-parallel filter compensation system and method |
| CN107104438A (en) * | 2017-05-05 | 2017-08-29 | 湖南世优电力科技股份有限公司 | Applied to full control intelligent quality of power supply apparatus for correcting off the net and antidote |
| CN107910957A (en) * | 2017-11-29 | 2018-04-13 | 安徽电科恒钛智能科技有限公司 | A kind of transformer and distribution station intelligent perception system based on Internet of Things |
| CN107968414A (en) * | 2018-01-02 | 2018-04-27 | 马鞍山佳夫尼电气科技有限公司 | A kind of intelligence SVG dynamic passive compensation systems |
| CN108306293A (en) * | 2018-01-18 | 2018-07-20 | 浙江日业电力科技有限公司 | Low-voltage electric energy quality controlling device |
| CN108321815A (en) * | 2018-03-08 | 2018-07-24 | 西安爱科赛博电气股份有限公司 | A kind of low-voltage network utility power quality control system and method |
| CN108512231A (en) * | 2018-05-09 | 2018-09-07 | 北京国网普瑞特高压输电技术有限公司 | A kind of data processing method of the status monitoring integrated platform based on IEC61850 agreements |
-
2019
- 2019-11-05 CN CN201911070267.7A patent/CN110768258A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281343A (en) * | 2015-11-05 | 2016-01-27 | 上海追日电气有限公司 | Modular series-parallel filter compensation system and method |
| CN107104438A (en) * | 2017-05-05 | 2017-08-29 | 湖南世优电力科技股份有限公司 | Applied to full control intelligent quality of power supply apparatus for correcting off the net and antidote |
| CN107910957A (en) * | 2017-11-29 | 2018-04-13 | 安徽电科恒钛智能科技有限公司 | A kind of transformer and distribution station intelligent perception system based on Internet of Things |
| CN107968414A (en) * | 2018-01-02 | 2018-04-27 | 马鞍山佳夫尼电气科技有限公司 | A kind of intelligence SVG dynamic passive compensation systems |
| CN108306293A (en) * | 2018-01-18 | 2018-07-20 | 浙江日业电力科技有限公司 | Low-voltage electric energy quality controlling device |
| CN108321815A (en) * | 2018-03-08 | 2018-07-24 | 西安爱科赛博电气股份有限公司 | A kind of low-voltage network utility power quality control system and method |
| CN108512231A (en) * | 2018-05-09 | 2018-09-07 | 北京国网普瑞特高压输电技术有限公司 | A kind of data processing method of the status monitoring integrated platform based on IEC61850 agreements |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953015A (en) * | 2021-03-23 | 2021-06-11 | 苏州国网同方电力建设工程有限公司 | Comprehensive electric energy quality optimization system of intelligent power distribution room |
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