CN109274109A - A kind of comprehensive power quality optimization system - Google Patents
A kind of comprehensive power quality optimization system Download PDFInfo
- Publication number
- CN109274109A CN109274109A CN201811356922.0A CN201811356922A CN109274109A CN 109274109 A CN109274109 A CN 109274109A CN 201811356922 A CN201811356922 A CN 201811356922A CN 109274109 A CN109274109 A CN 109274109A
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- Prior art keywords
- voltage
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- phase
- power quality
- frequency
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Classifications
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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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- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of comprehensive power quality optimization systems, including optimization module, wireless data transfer module and monitoring module, the optimization module includes power quality field detecting device and central data processing facility, the Power Quality Detection equipment includes frequency detecting device, voltage check device, three-phase detection device and harmonic measurement device, and the monitoring module includes monitoring host computer, frequency regulation arrangement, voltage regulating device, three-phase regulating device and filter.Its high degree of automation, easily use, high-performance, highly reliable, effectively save electric energy.
Description
Technical field
The invention belongs to energy conservations and power quality to improve equipment technology field, and in particular to a kind of comprehensive power quality optimization
System.
Background technique
With economic rapid development, the close attention by the whole world of energy shortage, environmental degradation, the energy is to develop state
The important foundation of people's economy calls in response to country, walks the road of sustainable development, energy-saving is top priority.Wherein,
Electric energy consumption in all energy is bigger, is particularly important to the unified management of electric energy, and it is accurate only to carry out to electric energy
It reliable metering and uses, it could be from truly saving electric energy.But utility power quality control is a complicated system work
Journey, it is related to many aspects, and many large scale equipments occur unstable existing due to the influence of route gauze in use
As leading to its unstable working condition, electric energy loss severity occur, and the service life of equipment also greatly reduces.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of comprehensive power quality optimization system, the degree of automation
High, easily use, high-performance, highly reliable, effectively save electric energy.
To solve the above-mentioned problems, the present invention provides following technical schemes: a kind of comprehensive power quality optimization system, packet
Optimization module, wireless data transfer module and monitoring module are included, the optimization module is connected with wireless data transfer module, institute
It states optimization module and is connected by wireless data transfer module with monitoring module, the optimization module includes the inspection of power quality scene
Measurement equipment and central data processing facility, the Power Quality Detection equipment output end and central data processing facility input terminal connect
It connects, the Power Quality Detection equipment includes that frequency detecting device, voltage check device, three-phase detection device and harmonic detecting fill
Set, the frequency detecting device, voltage check device, three-phase detection device and harmonic measurement device output end with central number
It is connected according to processing equipment input terminal, whether the frequency detecting device detection mains frequency deviation occurs, and infers power grid frequency
There is the reason of deviation in rate, the voltage check device real-time detection voltage whether deviation, if within the scope of tolerance, be
No voltage dip and short interruptions phenomenon occur, whether the three-phase detection device detection three-phase voltage balances, if occurring uneven
Weigh phenomenon, and infers imbalance of three-phase voltage reason, and whether the harmonic measurement device real-time detection harmonic wave forms aberration rate goes out
Existing deviation, the central data processing unit input terminal receive data and carry out data processing and pass through wireless data transfer module
Monitoring module is transferred data to, the monitoring module includes monitoring host computer, frequency regulation arrangement, voltage regulating device, three-phase
Regulating device and filter, the monitoring host computer output end are adjusted with frequency regulation arrangement, voltage regulating device, three-phase respectively
Device is connected with filter input terminal, and the frequency regulation arrangement receives frequency and deviation occurs, and adjusting keeps frequency inclined
Within allowed band, the voltage regulating device receives voltage and deviation, voltage dip and short interruptions phenomenon occurs difference, and
It is adjusted, the three-phase regulating device receives the unstable signal of three-phase, and adjusted, and the filter receives
It is filtered out to harmonic signal and to harmonic wave.
The wireless data transfer module is bluetooth data transmission communication network.
The monitoring host computer uses intelligence PC formula monitoring host computer.
The monitoring module is additionally provided with a protective device.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Beneficial effect
A kind of comprehensive power quality optimization system of the present invention, including optimization module, wireless data transfer module and monitoring module,
High degree of automation, easily uses, high-performance, highly reliable, effectively save electric energy, monitoring module can by frequency, voltage, three-phase and
Harmonic controling accomplishes quality supply within allowed band.
Specific embodiment
A kind of comprehensive power quality optimization system, including optimization module 1, wireless data transfer module 2 and monitoring module 3,
The optimization module 1 is connected with wireless data transfer module 2, and the optimization module 1 passes through wireless data transfer module 2 and prison
Control module 3 is connected, and the optimization module 1 includes power quality field detecting device 4 and central data processing facility 5, described
4 output end of Power Quality Detection equipment is connect with 5 input terminal of central data processing facility, and the Power Quality Detection equipment 4 is wrapped
Include frequency detecting device 6, voltage check device 7, three-phase detection device 8 and harmonic measurement device 9, the frequency detecting device 6,
Voltage check device 7, three-phase detection device 8 and harmonic measurement device 9 output end with 5 input terminal of central data processing facility
It is connected, the frequency detecting device 6 detects whether mains frequency deviation occurs, and infers that the original of deviation occurs in mains frequency
Cause, the 7 real-time detection voltage of voltage check device whether deviation, if within the scope of tolerance, if it is temporary voltage occur
Drop and short interruptions phenomenon, the three-phase detection device 8 detect whether three-phase voltage balances, if there is energy imbalance, and push away
Disconnected imbalance of three-phase voltage reason, whether the 9 real-time detection harmonic wave forms aberration rate of harmonic measurement device there is deviation, described
5 input terminal of central data processing unit receives data and carries out data processing and passed data by wireless data transfer module 2
Defeated to arrive monitoring module 3, the wireless data transfer module 2 is bluetooth data transmission communication network, and the monitoring module 3 includes prison
Control host 10, frequency regulation arrangement 11, voltage regulating device 12, three-phase regulating device 13 and filter 14, the monitoring master
10 output end of machine is inputted with frequency regulation arrangement 11, voltage regulating device 12, three-phase regulating device 13 and filter 14 respectively
End is connected, and the frequency regulation arrangement 11 receives frequency and deviation occurs, and adjusting makes frequency departure within allowed band,
The mains frequency deviation range is 50Hz ± 0.2Hz, and the voltage regulating device 12 receives voltage, and deviation, voltage occur temporary
Drop and short interruptions phenomenon, and be adjusted, the voltage tolerance range is that 220V single phase power supply voltage deviation is nominal
+ the 7% of voltage, -10%, the three-phase regulating device 13 receives the unstable signal of three-phase, and adjusted, the three-phase
When voltage unbalance factor limit value is that power grid operates normally, negative sequence voltage degree of unbalancedness is no more than 2%, must not exceed 4% in short-term, described
Filter 14 receives harmonic signal and filters out to harmonic wave, and the percent harmonic distortion normal range (NR): 6~220kV is at different levels
Utility grid voltage total harmonic distortion factor is that 0.38kV is 5.0%, and 6~10kV is 4.0%, and 35~66kV is that 3.0%, 110kV is
2.0%.If the monitoring module 3 is additionally provided with a protective device 15, to encounter Current Voltage excessive, protects in abnormal working position
Protection unit 15 starts.
In the present embodiment, the frequency detecting device is frequency determinator GPC-6 type, and the voltage check device is
PS800 intelligent voltage monitor, the harmonic measurement device are GDDN-500C harmonic wave on-Line Monitor Device, the filter
For the adjustable tunable optic filter of XTA-50 bandwidth.
It is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any to be familiar with
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within the scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (4)
1. a kind of comprehensive power quality optimization system, which is characterized in that including optimization module, wireless data transfer module and monitoring
Module, the optimization module are connected with wireless data transfer module, the optimization module by wireless data transfer module with
Monitoring module is connected, and the optimization module includes power quality field detecting device and central data processing facility, the electricity
Energy quality detection apparatus output end is connect with central data processing facility input terminal, and the Power Quality Detection equipment includes frequency
Detection device, voltage check device, three-phase detection device and harmonic measurement device, the frequency detecting device, voltage detecting dress
It sets, three-phase detection device is connected with central data processing facility input terminal with the output end of harmonic measurement device, the frequency
Whether rate detection device detection mains frequency there is deviation, and infers that the reason of deviation, the voltage detecting occurs in mains frequency
Device real-time detection voltage whether deviation, if within the scope of tolerance, if there is voltage dip and short interruptions phenomenon,
Whether the three-phase detection device detection three-phase voltage balances, if there is energy imbalance, and infers imbalance of three-phase voltage original
Whether cause, the harmonic measurement device real-time detection harmonic wave forms aberration rate there is deviation, and the central data processing unit is defeated
Enter termination to receive data progress data processing and transfer data to monitoring module, the monitoring by wireless data transfer module
Module includes monitoring host computer, frequency regulation arrangement, voltage regulating device, three-phase regulating device and filter, the monitoring master
Machine output end is connected with frequency regulation arrangement, voltage regulating device, three-phase regulating device with filter input terminal respectively, institute
It states frequency regulation arrangement and receives frequency and deviation occur, and adjust, the voltage regulating device receives voltage and deviation, electricity occurs
Pressure temporarily drops and short interruptions phenomenon, and adjusts, and the three-phase regulating device receives the unstable signal of three-phase, and adjusts, described
Filter receives harmonic signal and filters out to harmonic wave.
2. a kind of comprehensive power quality optimization system according to claim 1, which is characterized in that the wireless data transmission mould
Block is bluetooth data transmission communication network.
3. a kind of comprehensive power quality optimization system according to claim 1, which is characterized in that the monitoring host computer uses intelligence
It can PC formula monitoring host computer.
4. a kind of comprehensive power quality optimization system according to claim 1, which is characterized in that the monitoring module is additionally provided with
One protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356922.0A CN109274109A (en) | 2018-11-15 | 2018-11-15 | A kind of comprehensive power quality optimization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356922.0A CN109274109A (en) | 2018-11-15 | 2018-11-15 | A kind of comprehensive power quality optimization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109274109A true CN109274109A (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811356922.0A Pending CN109274109A (en) | 2018-11-15 | 2018-11-15 | A kind of comprehensive power quality optimization system |
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| CN (1) | CN109274109A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003283A (en) * | 2020-09-21 | 2020-11-27 | 国家电网有限公司 | Power system operation optimization method |
| CN112039204A (en) * | 2020-08-25 | 2020-12-04 | 成都祥和云端节能设备集团有限公司 | Electric energy cleaning system based on improvement and improvement of electric energy quality |
| CN112051767A (en) * | 2020-08-25 | 2020-12-08 | 成都祥和云端节能设备集团有限公司 | Energy-saving acceptance method for power utilization system |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186518A (en) * | 2015-09-16 | 2015-12-23 | 江苏振光电力设备制造有限公司 | Integrated optimization system of electric energy quality of power distribution network |
| CN108072807A (en) * | 2017-11-20 | 2018-05-25 | 安徽晓星能源科技有限公司 | A kind of power quality wireless monitoring device |
-
2018
- 2018-11-15 CN CN201811356922.0A patent/CN109274109A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186518A (en) * | 2015-09-16 | 2015-12-23 | 江苏振光电力设备制造有限公司 | Integrated optimization system of electric energy quality of power distribution network |
| CN108072807A (en) * | 2017-11-20 | 2018-05-25 | 安徽晓星能源科技有限公司 | A kind of power quality wireless monitoring device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039204A (en) * | 2020-08-25 | 2020-12-04 | 成都祥和云端节能设备集团有限公司 | Electric energy cleaning system based on improvement and improvement of electric energy quality |
| CN112051767A (en) * | 2020-08-25 | 2020-12-08 | 成都祥和云端节能设备集团有限公司 | Energy-saving acceptance method for power utilization system |
| CN112003283A (en) * | 2020-09-21 | 2020-11-27 | 国家电网有限公司 | Power system operation optimization method |
| 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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Application publication date: 20190125 |
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