CN104330679A - Electric energy quality monitoring system - Google Patents

Electric energy quality monitoring system Download PDF

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Publication number
CN104330679A
CN104330679A CN201410687133.0A CN201410687133A CN104330679A CN 104330679 A CN104330679 A CN 104330679A CN 201410687133 A CN201410687133 A CN 201410687133A CN 104330679 A CN104330679 A CN 104330679A
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China
Prior art keywords
quality monitoring
monitoring device
electric energy
electrical energy
electrical network
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CN201410687133.0A
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Inventor
阮浩洁
张仕勇
李永腾
钱程
刘海港
杨小芳
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State Grid Corp of China SGCC
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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State Grid Corp of China SGCC
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201410687133.0A priority Critical patent/CN104330679A/en
Publication of CN104330679A publication Critical patent/CN104330679A/en
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Abstract

The invention discloses an electric energy quality monitoring system. The electric energy quality monitoring system comprises a monitoring platform and at least an electric energy quality monitoring device, wherein the monitoring platform sends a detecting command to the electric energy quality monitoring device and receives a detecting result output by the electric energy quality monitoring device; the electric energy quality monitoring device is connected with a detected electric grid, receives the detecting command, detects parameters of electric power operation of the detected electric grid and outputs the detecting result. The electric energy quality monitoring system can obtain electric energy quality information of the detected electric grid in real time, the detecting result is high in accuracy, and the electric energy quality monitoring device is fast in response speed. Real-time and accurate electric energy quality information is beneficial to correct estimation on the electric energy quality, provides correct theoretical basis for electric power pollution comprehensive treatment decisions, and is beneficial to improvement of economic benefits of power supply enterprises.

Description

A kind of electric energy quality monitoring system
Technical field
The present invention relates to electric power monitoring field, particularly relate to a kind of electric energy quality monitoring system.
Background technology
In modern production, electric power is main, the most important part of the energy.The same with other any tangible products, electric energy also has an important attribute and quality problems.In large iron and steel enterprise, powerful consumer is as motor, electric furnace, particularly large-size variable-frequency speed governing, controllable silicon system produce the electric pollutions such as a large amount of higher hamonic waves, spike and seriously compromise the quality of power supply, and sophisticated electronics, the computer control system of a large amount of use on the other hand propose stricter requirement to the quality of power supply again.This contradiction is becoming increasingly acute, and has caused the great attention of numerous technician.
Such as in iron and steel enterprise, operationally, inevitably produce higher hamonic wave, power supply wave shape distorts, and pollutes electrical network for RHVC, high-power thyristor fairing, metallurgical electric furnace etc.The higher hamonic wave that the high-power rectifying equipment that particularly rolling system adopts milling train to power produces is the most typical and general.These factors cause harmonic wave distortion at some frequencies and higher hamonic wave, may can cause very large harm: the existence of higher hamonic wave to electric power system, can cause power capacitor and tandem reactor overheated, aging or puncture.Harmonic current easily causes the resonance of the compensation system under certain frequency, produces excess current, superpotential, thus burns reactor and capacitor.So for electricity consumption enterprise, the quality of power supply that electrical network provides is poorer, larger to the infringement of power equipment, is unfavorable for the normal work of the power equipment of electricity consumption enterprise, adds the cost of electricity consumption enterprise; For power supply enterprise, poor power quality, may cause Electricity customers to reduce, and simultaneously comparatively large to the pressure of supply line, line loss is also comparatively large, is unfavorable for increasing economic efficiency.Therefore, need badly and the carrying out of the quality of power supply of electrical network is monitored, correct assessment is made to the quality of power supply, for the decision-making of comprehensive regulation electric pollution provides correct theoretical foundation.
Summary of the invention
The object of this invention is to provide a kind of electric energy quality monitoring system, can obtain the quality of power supply information of detected electrical network in real time, accuracy is high, fast response time.
For solving the problems of the technologies described above, the invention provides a kind of electric energy quality monitoring system, comprising:
Monitor supervision platform and at least one quality monitoring device of electrical energy, wherein, described monitor supervision platform sends to described quality monitoring device of electrical energy and detects instruction, receives the testing result that described quality monitoring device of electrical energy exports; Described quality monitoring device of electrical energy is connected with detected electrical network, receives described detection instruction, detects the parameter of the operation power of described detected electrical network, and exports described testing result.
Preferably, described quality monitoring device of electrical energy is connected with detected electrical network, accept described detection instruction, detect the parameter of the operation power of described detected electrical network, and export described testing result and comprise: described quality monitoring device of electrical energy, detects and exports by the electricity in the accumulative electricity of described detected electrical network and predetermined amount of time.
Preferably, described quality monitoring device of electrical energy is connected with detected electrical network, accept described detection instruction, detect the parameter of the operation power of described detected electrical network, and export described testing result and also comprise: described quality monitoring device of electrical energy gathers the waveform of voltage of described detected electrical network and the waveform of electric current, carries out frequency analysis and output harmonic wave analysis result.
Preferably, described quality monitoring device of electrical energy also records the described frequency analysis result exceeding the out-of-limit value of default harmonic wave, and reports to the police.
Preferably, described quality monitoring device of electrical energy also carries out dynamically recording to the voltage waveform of described detected electrical network and current waveform.
Preferably, reach voltage waveform, the current waveform of the described detected electrical network of predetermined value in the particular range that described quality monitoring device of electrical energy is also recorded in preset value, and carry out accident early warning.
Preferably, the information of the described quality monitoring device of electrical energy warning message of also reporting to the police described in journal and described accident early warning.
Preferably, described quality monitoring device of electrical energy also stores the operation power parameter of described detected electrical network.
Preferably, described quality monitoring device of electrical energy is the high-end quality monitoring device of electrical energy of PMC-580B or PMC-5600 high-grade intelligent electric force monitoring apparatus.
The electric energy quality monitoring system that the embodiment of the present invention provides compared with prior art, has the following advantages:
The electric energy quality monitoring system that the embodiment of the present invention provides, comprise: monitor supervision platform and at least one quality monitoring device of electrical energy, described monitor supervision platform sends to described quality monitoring device of electrical energy and detects instruction, receives the testing result that described quality monitoring device of electrical energy exports; Described quality monitoring device of electrical energy is connected with detected electrical network, receives described detection instruction, detects the parameter of the operation power of described detected electrical network, and export described testing result.Described monitor supervision platform is sent to described quality monitoring device of electrical energy by needing the instruction of the parameters of electric power (voltage, electric current etc.) detected, detected by the operation power parameter of described quality monitoring device of electrical energy to the described detected electrical network be attached thereto, real-time again testing result is transmitted back described monitor supervision platform, decrease the error that manual detection causes, improve described testing result accuracy, simultaneously, described quality monitoring device of electrical energy fast response time, described testing result can reflect the quality of power supply information of described detected electrical network in real time.
In sum, the electric energy quality monitoring system that the known embodiment of the present invention provides, the quality of power supply information of described detected electrical network can be obtained in real time, described testing result accuracy is high, described quality monitoring device of electrical energy fast response time, be conducive to making correct assessment to the quality of power supply, for the decision-making of comprehensive regulation electric pollution provides correct theoretical foundation, be of value to the economic benefit improving power supply enterprise.
Accompanying drawing explanation
The connection diagram of a kind of embodiment of the electric energy quality monitoring system that Fig. 1 provides for the embodiment of the present invention;
The operating process schematic diagram of a kind of embodiment of the electric energy quality monitoring system that Fig. 2 provides for the embodiment of the present invention;
The operating process schematic diagram of quality monitoring device of electrical energy in a kind of embodiment of the electric energy quality monitoring system that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Just as described in the background section, when using power equipment, may the quality of power supply in electric power system be polluted, as higher hamonic wave etc., cause power capacitor and tandem reactor overheated, aging or puncture, damage other power equipments.
Based on this, the embodiment of the present invention provides a kind of electric energy quality monitoring system, comprising:
Monitor supervision platform and at least one quality monitoring device of electrical energy, described monitor supervision platform sends to described quality monitoring device of electrical energy and detects instruction, receives the testing result that described quality monitoring device of electrical energy exports; Described quality monitoring device of electrical energy is connected with detected electrical network, receives described detection instruction, detects the parameter of the operation power of described detected electrical network, and exports described testing result.
Concrete, described monitor supervision platform is sent to described quality monitoring device of electrical energy by needing the instruction of the parameters of electric power (voltage, electric current etc.) detected, detected by the operation power parameter of described quality monitoring device of electrical energy to the described detected electrical network be attached thereto, real-time again testing result is transmitted back described monitor supervision platform, accuracy is high, fast response time.Simultaneously, described monitor supervision platform can control multiple described quality monitoring device of electrical energy simultaneously, and detect the operation power parameter of described detected electrical network, detection efficiency is high, correct assessment is made to the quality of power supply, for the decision-making of comprehensive regulation electric pollution provides correct theoretical foundation.
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here to implement with multiple, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention.Therefore the present invention is not by the restriction of following public concrete enforcement.
Please refer to Fig. 1, the connection diagram of a kind of embodiment of the electric energy quality monitoring system that Fig. 1 provides for the embodiment of the present invention.
In a kind of embodiment, described electric energy quality monitoring system, comprising:
Monitor supervision platform 110 and at least one quality monitoring device of electrical energy 120, described monitor supervision platform 110 sends to described quality monitoring device of electrical energy 120 and detects instruction, receive the testing result that described quality monitoring device of electrical energy 120 exports; Described quality monitoring device of electrical energy 120 is connected with detected electrical network, receives described detection instruction, detects the parameter of the operation power of described detected electrical network, and exports described testing result.
Corresponding, as shown in Figure 2, this control flow comprises the control flow of described electric energy quality monitoring system: step 130, and described monitor supervision platform 110 sends to described quality monitoring device of electrical energy 120 and detects instruction; Step 140, described quality monitoring device of electrical energy 120 receives described detection instruction, detects the parameter of the operation power of described detected electrical network, and exports described testing result; Step 150, described monitor supervision platform 110 receives described testing result.
Preferably, described quality monitoring device of electrical energy 120 is connected with detected electrical network, accept described detection instruction, detect the parameter of the operation power of described detected electrical network, and export described testing result and comprise: described quality monitoring device of electrical energy 120, detects and exports by the electricity in the accumulative electricity of described detected electrical network and predetermined amount of time.Described quality monitoring device of electrical energy 120 detects and exports by the electricity in the accumulative electricity of detected electrical network and predetermined amount of time, and according to described accumulative electricity and the electricity in the schedule time, power supply enterprise can obtain the power information of this user.By the power information of user, power supply enterprise rationally can Reasonable adjustment power supply capacity, raising power supplying efficiency and power supply benefit.Such as, take the mode of using electricity in off-peak hours, one is reduction of Peak power use load, ensures the safe operation of electrical network in peak time; Two is by using electricity in off-peak hours peak load part transferred to low ebb period, and the network load of cyclic fluctuation is become more balanced, is conducive to the utilization factor improving power supply equipment, the construction reducing power supply equipment drops into, and optimizes electric power resource configuration; Three is by using electricity in off-peak hours, and will improve efficiency and the benefit of electric power supply entirety, economize energy, reduces electric cost the most at last, to electricity consumption enterprise, is all significant to socio-economic development.
It should be noted that, described quality monitoring device of electrical energy 120, detect and export by the electricity in the accumulative electricity of detected electrical network and predetermined amount of time, not only can obtain the power information of user, can also by contrasting at the delivery of corresponding time period to power supply enterprise, calculate line loss per unit, once find that line loss per unit is too high, can safeguard supply line in time; When there is stealing electricity phenomenon, also can Timeliness coverage, improve the economic benefit of power operation.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, as shown in Figure 3, described step 140, described quality monitoring device of electrical energy is connected with detected electrical network, accepts described detection instruction, detects the parameter of the operation power of described detected electrical network, and export described testing result and also comprise: step 1401, gathers the waveform of voltage of described detected electrical network and the waveform of electric current; Step 1402, carries out frequency analysis; Step 1403, output harmonic wave analysis result.Gathered and frequency analysis by the waveform of electric current to described detected electrical network, the waveform of voltage, the quality of power supply of described detected electrical network can be obtained in real time.Wherein, the power quality parameter of described detected electrical network comprises: voltage (three-phase phase voltage, line voltage, average voltage), electric current (three-phase phase current, line current, current average, neutral point current, ground current), active power, reactive power, power factor, wherein, described reactive power adopts four-quadrant definition; Active energy, reactive energy, apparent electric energy; All voltages in each cycle, current waveform and corresponding effective value, maximum/minimum data, three-phase voltage, current unbalance factor and the positive and negative and each order components of zero sequence, and show polar plot; Electric power: two-way, the input of meritorious/idle/applied power, export, net value and summation; Harmonic wave, comprises voltage, the total harmonic distortion factor of electric current, even-order harmonic aberration rate, odd harmonic distortion rate and each harmonic content; M-Acetyl chlorophosphonazo, subharmonic; Voltage fluctuation and flicker accountability analysis harmonic power.Described in real-time acquisition Accurate Analysis, the quality of power supply of detected electrical network, can make correct assessment to the quality of power supply of described detected electrical network, for the decision-making of comprehensive regulation electric pollution provides correct theoretical foundation.
It should be noted that, the embodiment of the present invention is not limited to gather and frequency analysis the described voltage of detected electrical network, the waveform of electric current, can also carry out determination and analysis to the factor of the quality of power supply of electrical network detected described in other influences, the present invention is not specifically limited this.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, described quality monitoring device of electrical energy 120 also records the described frequency analysis result exceeding the out-of-limit value of default harmonic wave, reports to the police.It should be noted that, the out-of-limit value of described default harmonic wave, refer to and sent to described quality monitoring device of electrical energy 120 by described monitor supervision platform, and be stored into the scope of the harmonic wave in described quality monitoring device of electrical energy 120.Once described frequency analysis result exceeds the out-of-limit value of described default harmonic wave, illustrate that the current quality of power supply of this electrical network does not meet power requirement, pollution is caused to the quality of power supply of whole electrical network.Report to the police, thus can remind power supply enterprise, check the electric power thus supplied of supply line, find the reason causing electric energy to pollute, the quality of power supply for the power supply improving power supply enterprise provides strong support.For the mode of reporting to the police, the present invention is not specifically limited, and can be buzzer rings, sends alarming short message etc.
In a kind of embodiment of the embodiment of the present invention, described quality monitoring device of electrical energy 120 also carries out dynamically recording to the voltage waveform of described detected electrical network, current waveform.Described quality monitoring device of electrical energy 120 carries out dynamically recording to the voltage of described detected electrical network, current waveform, thus make the maintainer of power supply enterprise, can to the current quality of power supply of described detected electrical network and the history quality of power supply, carry out effective contrast and analysis, find out the difference of the two, especially when there is electric pollution, the meaning finding out the difference of the two is more great, power supply quality is improved for power supply enterprise, reduce or avoid electric pollution, reducing the damage of the power equipment of user significant.It should be noted that, be not must be, by described quality monitoring device of electrical energy, dynamically recording is carried out to the voltage of described detected electrical network, current waveform, also can be by described quality monitoring device of electrical energy, the voltage of described detected electrical network, current waveform are gathered, send to described monitor supervision platform, by described monitor supervision platform record.
It should be noted that, general described monitor supervision platform 110 can manage multiple described quality monitoring device of electrical energy 120, by described quality monitoring device of electrical energy 120, dynamically recording is carried out to the voltage of described detected electrical network, current waveform, effectively can reduce the workload of described monitor supervision platform 110, improve the work efficiency of described monitor supervision platform 110.
In a kind of embodiment of the embodiment of the present invention, when described quality monitoring device of electrical energy 120 time be also recorded in the particular range of preset value reaches voltage waveform, the current waveform of the described detected electrical network of predetermined value, and carry out accident early warning.The particular range of described preset value, refers to the maximum magnitude of the power supply quality permission fluctuation that power supply enterprise requires, and the duration.Described quality monitoring device of electrical energy 120 detects that the voltage of described detected electrical network, the time of current waveform in the particular range of preset value are when reaching predetermined value, illustrate current detection to the quality of power supply of described detected electrical network do not meet power supply quality requirement, electric pollution is caused to electrical network.After carrying out accident early warning, related maintenance personnel can carry out the maintenance of network system in time, reduces the possibility caused the accident.
It should be noted that, and can only be necessarily that the voltage of described detected electrical network, these two kinds of tested measurement times exceeded in the particular range of preset value of current waveform are when reaching predetermined value, carry out accident early warning, range set can also be carried out to other tested measurement, report to the police after going beyond the scope, the present invention is not specifically limited the concrete mode of reporting to the police.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, the information of the warning message that described quality monitoring device of electrical energy 120 is also reported to the police described in journal and described accident early warning.The warning message of reporting to the police described in the journal of described quality monitoring device of electrical energy 120 and the information of described accident early warning, be convenient to the historical record that maintainer checks warning fast, the power supply capacity of the described detected circuit of correct judgement and the power information of user, judge whether this user causes electric pollution when electricity consumption, and when cause electric pollution, be convenient to maintainer and safeguard supply line in time, high-quality electric energy is provided.Such as, some described quality monitoring device of electrical energies 120 have issued warning many times in section sometime, illustrate that supply line herein may be aging, or this place user repeatedly use electric energy improper.It should be noted that, the warning message of reporting to the police described in the journal of described quality monitoring device of electrical energy 120 and the information of described accident early warning, maintain easily personnel to judge that abnormal foundation appears in supply line or power supply quality fast, for supply line and electricity consumption user set up " case history ", be convenient to Fast-Maintenance judge and safeguard supply line, stable, high-quality electric energy is provided, so occur that abnormal needs reports to the police to any class testing result, the concrete mode of reporting to the police, and how the classification of reporting to the police is classified, the present invention is not specifically limited again.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, described quality monitoring device of electrical energy 120 also stores the operation power parameter of described detected electrical network.Described quality monitoring device of electrical energy 120 stores the operation power parameter of described detected electrical network, is convenient to the information of electric power in motion that maintainer transfers described detected electrical network at any time, the detected electrical network of monitoring in real time.If the information of electric power in motion of described detected electrical network occurs abnormal, the information of electric power in motion at that time of described detected electrical network can be transferred fast, analyze and occur abnormal reason, as during these abnormal conditions from when, how to change, the information of electric power in motion of the described detected electrical network that maintainer obtains is more, more can obtain the reason that this exception occurs faster, safeguard detected electrical network faster.It should be noted that, how the present invention stores the operation power parameter of described detected electrical network to described quality monitoring device of electrical energy 120, how to sort out, do not do concrete restriction, as long as the information of electric power in motion of the described detected electrical network stored by described quality monitoring device of electrical energy 120, maintainer is made to obtain the information of electric power in motion of the concrete described detected electrical network wanting to know, as as described in quality monitoring device of electrical energy 120 stores is the waveform of the voltage of detected electrical network, as long as can know that abnormal time point appears in this voltage waveform, the information such as amplitude of variation.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, described quality monitoring device of electrical energy 120 is the high-end quality monitoring device of electrical energy of PMC-580B or PMC-5600 high-grade intelligent electric force monitoring apparatus.
The sampling rate of the high-end quality monitoring device of electrical energy of PMC-580B is 25.6KHz, and per semiperiod refreshes a secondary data, and the data that sampling obtains truly can reflect the information of electric power in motion of described detected electrical network.In addition, the high-end quality monitoring device of electrical energy of PMC-580B also has powerful frequency analysis function, can measure and show 2-63 each harmonic component, comprise each harmonic aberration rate, total harmonic distortion factor, idol/odd harmonic distortion rate, harmonic wave phase angle, middle m-Acetyl chlorophosphonazo etc., also there is independent each harmonic electric energy metrical function, very high to the measuring accuracy of the quality of power supply of described detected electrical network, as voltage, current measurement precision is 0.1%, harmonic voltage current measurement precision is A level, voltage deviation measuring accuracy is 0.2%, frequency departure precision is 0.01Hz, Accuracy of Power Measurement is 0.2%, power-factor measurement precision is 0.5%, voltage unbalance factor measuring accuracy is 0.2%, current unbalance factor measuring accuracy is 1%.PMC-580B high-end quality monitoring device of electrical energy contour structures is exquisite, wiring is simple, easy for installation, the full Chinese display interface of large-screen lc, can show power quality parameter, Real-Time Monitoring amount, real-time waveform, harmonic wave rod figure, polar plot etc.
PCM-5600 high-grade intelligent electric force monitoring apparatus take 32-bit microprocessor as core, and each cycle is sampled 128 points, can select every two periodic recording effective value, have the functions such as full electrical measurement, voltage fluctuation supervision, accident early warning and record.
Certainly, the high-end quality monitoring device of electrical energy of PMC-580B or PMC-5600 high-grade intelligent electric force monitoring apparatus are two kinds of concrete powerful quality monitoring device of electrical energies, other powerful electric force monitoring apparatus can also be used in embodiments of the present invention, as being provided with the electric force monitoring apparatus of PQSYS electric energy quality monitoring and analyzing software system.PQSYS electric energy quality monitoring and analyzing software system are feature based on domestic electrical system and actual demand, and the analyzing software system of full Chinese, is applicable to Chinese user.Described PQSYS electric energy quality monitoring and analyzing software system have following characteristics:
Intuitively powerful.Except conventional curve, form, waveform etc. analyze analytical approach, PQSYS has the cartographic analysis function of domestic initiation, can carry out the operation such as quality of power supply distribution, quality of power supply event replay on map.
Extensibility.PQSYS adopts modular software configuration, and one or several functions of Implement of Function Module, can increase new functional module according to user's request, very easily to meet consumers' demand.
Compatible.PQSYS provides the allround fastness support to PQDIF (IEEE1159.3 power quality data Interchange Format standard), can as other power quality system of Master station access, also can to other systems with data.PQSYS also retains the interface of access third party equipment for monitoring power quality, can develop third party device efficiently and drive, it is linked into PQSYS system.
Operation is succinct convenient.PQSYS provides quality of power supply information very intuitively, by network, only needs to click mouse, just can see up-to-date, system-wide quality of power supply information.
The design concept that PQSYS adopts " Microsecond grade transient-wave level seizure+second out-of-limit event record+minute level steady state data stores ", can realize real-time, the complete monitoring to quality of power supply situation in system.
It should be noted that, the high-end quality monitoring device of electrical energy of above-mentioned PMC-580B and PCM-5600 high-grade intelligent electric force monitoring apparatus are two kinds of conventional powerful quality monitoring device of electrical energies, the present invention can also use other quality monitoring device of electrical energy, as long as the information of electric power in motion of described detected electrical network can be monitored, obtain concrete quality of power supply information, the present invention for concrete which kind of quality monitoring device of electrical energy that uses is not specifically limited.
In sum, the electric energy quality monitoring system that the embodiment of the present invention provides, sent by described monitor supervision platform instruction and detect instruction to described quality monitoring device of electrical energy, described detection instruction is received by described quality monitoring device of electrical energy, and the operation power parameter of the described detected electrical network be attached thereto is detected, real-time again testing result is transmitted back described monitor supervision platform, accuracy is high, fast response time.Simultaneously, described monitor supervision platform can control multiple described quality monitoring device of electrical energy being in diverse location simultaneously, the operation power parameter of corresponding electrical network is detected, detection efficiency is high, be conducive to making correct assessment to the quality of power supply, for the decision-making of comprehensive regulation electric pollution provides correct theoretical foundation.The use of described electric energy quality monitoring system, can make power supply enterprise while providing high-quality electric energy and the very high efficiency of management, also can produce higher economic benefit, electricity consumption enterprise also can reduce production cost because of high-quality electric energy, increases economic efficiency.
Above electric energy quality monitoring system provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (9)

1. an electric energy quality monitoring system, is characterized in that, comprising:
Monitor supervision platform and at least one quality monitoring device of electrical energy, wherein, described monitor supervision platform sends to described quality monitoring device of electrical energy and detects instruction, receives the testing result that described quality monitoring device of electrical energy exports; Described quality monitoring device of electrical energy is connected with detected electrical network, receives described detection instruction, detects the parameter of the operation power of described detected electrical network, and exports described testing result.
2. electric energy quality monitoring system as claimed in claim 1, it is characterized in that, described quality monitoring device of electrical energy is connected with detected electrical network, accept described detection instruction, detect the parameter of the operation power of described detected electrical network, and export described testing result and comprise: described quality monitoring device of electrical energy, detects and exports by the electricity in the accumulative electricity of described detected electrical network and predetermined amount of time.
3. electric energy quality monitoring system as claimed in claim 1, it is characterized in that, described quality monitoring device of electrical energy is connected with detected electrical network, accept described detection instruction, detect the parameter of the operation power of described detected electrical network, and export described testing result and also comprise: described quality monitoring device of electrical energy gathers the waveform of voltage of described detected electrical network and the waveform of electric current, carries out frequency analysis and output harmonic wave analysis result.
4. electric energy quality monitoring system as claimed in claim 3, it is characterized in that, described quality monitoring device of electrical energy also records the described frequency analysis result exceeding the out-of-limit value of default harmonic wave, and reports to the police.
5. electric energy quality monitoring system as claimed in claim 1, it is characterized in that, described quality monitoring device of electrical energy also carries out dynamically recording to the voltage waveform of described detected electrical network and current waveform.
6. electric energy quality monitoring system as claimed in claim 5, is characterized in that, reaches voltage waveform, the current waveform of the described detected electrical network of predetermined value, and carry out accident early warning in the particular range that described quality monitoring device of electrical energy is also recorded in preset value.
7. the electric energy quality monitoring system as described in claim 4 or 6, is characterized in that, the information of the warning message that described quality monitoring device of electrical energy is also reported to the police described in journal and described accident early warning.
8. electric energy quality monitoring system as claimed in claim 1, it is characterized in that, described quality monitoring device of electrical energy also stores the operation power parameter of described detected electrical network.
9. electric energy quality monitoring system as claimed in claim 1, it is characterized in that, described quality monitoring device of electrical energy is the high-end quality monitoring device of electrical energy of PMC-580B or PMC-5600 high-grade intelligent electric force monitoring apparatus.
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* Cited by examiner, † Cited by third party
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CN108302719A (en) * 2018-01-29 2018-07-20 广东美的暖通设备有限公司 Control method, device, system and the storage medium of multi-online air-conditioning system
CN108832715A (en) * 2018-06-14 2018-11-16 张作夷 Electric system based on current waveform real-time monitoring
CN109490622A (en) * 2018-11-10 2019-03-19 王浩 A kind of electricity data calibration technology based on tri-state information
CN109818350A (en) * 2019-03-26 2019-05-28 深圳市九众能源科技有限公司 A kind of electric energy intelligent management and its management system
CN117714246A (en) * 2024-02-06 2024-03-15 成都宽域信息安全技术有限公司 Broadband signal measurement method and system

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201382982Y (en) * 2009-02-11 2010-01-13 深圳市普禄科智能检测设备有限公司 Power quality detecting device
CN101661063A (en) * 2008-08-28 2010-03-03 上海安科瑞电气有限公司 Novel power quality analysis meter
CN201562022U (en) * 2009-11-16 2010-08-25 深圳市华力特电气股份有限公司 On-line electric energy quality monitoring instrument and on-line electric energy quality monitoring system
CN101951027A (en) * 2010-09-01 2011-01-19 中国电力科学研究院 Uniform data acquisition and monitoring system of low-medium voltage power distribution network
CN101957400A (en) * 2009-07-13 2011-01-26 厦门电力成套设备有限公司 Distribution electric energy quality analysis meter and analyzing method
CN102981069A (en) * 2011-09-07 2013-03-20 上海久隆电力科技有限公司 Electric energy comprehensive information acquisition terminal
CN102981070A (en) * 2011-09-07 2013-03-20 上海久隆电力科技有限公司 Electric energy comprehensive information collecting system
CN103185835A (en) * 2013-03-28 2013-07-03 国家电网公司 Electric energy metering device with electric energy quality monitoring function
CN103336215A (en) * 2013-07-24 2013-10-02 国家电网公司 Method for carrying out online monitoring on data of electric energy quality
CN203275554U (en) * 2013-06-06 2013-11-06 侯鹏庆 Multipoint electric power parameter monitoring management system based on ARM and WinCE
CN103439613A (en) * 2013-09-03 2013-12-11 苏州太谷电力股份有限公司 Electric power security integrated monitoring device and analyzing method thereof
CN203368143U (en) * 2013-06-24 2013-12-25 国家电网公司 Low-voltage distribution integrated monitoring device
US20140021940A1 (en) * 2012-07-20 2014-01-23 Jung Eui HONG Electric power monitoring device and an apparatus using alternating current power having the same
CN103545921A (en) * 2013-09-24 2014-01-29 许继集团有限公司 Urban distribution transformer area autonomous control optimization power system and monitoring system thereof
CN103606057A (en) * 2013-11-29 2014-02-26 国家电网公司 System and method for monitoring power utilization service quality
CN103794039A (en) * 2012-10-31 2014-05-14 西门子公司 Real-time measurement device and control device of electric power system
CN104122476A (en) * 2014-08-08 2014-10-29 国家电网公司 PXI (PCI extensions for Instrumentation)-based networking online testing system of electric power quality
CN204214968U (en) * 2014-11-25 2015-03-18 国家电网公司 A kind of electric energy quality monitoring system

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101661063A (en) * 2008-08-28 2010-03-03 上海安科瑞电气有限公司 Novel power quality analysis meter
CN201382982Y (en) * 2009-02-11 2010-01-13 深圳市普禄科智能检测设备有限公司 Power quality detecting device
CN101957400A (en) * 2009-07-13 2011-01-26 厦门电力成套设备有限公司 Distribution electric energy quality analysis meter and analyzing method
CN201562022U (en) * 2009-11-16 2010-08-25 深圳市华力特电气股份有限公司 On-line electric energy quality monitoring instrument and on-line electric energy quality monitoring system
CN101951027A (en) * 2010-09-01 2011-01-19 中国电力科学研究院 Uniform data acquisition and monitoring system of low-medium voltage power distribution network
CN102981069A (en) * 2011-09-07 2013-03-20 上海久隆电力科技有限公司 Electric energy comprehensive information acquisition terminal
CN102981070A (en) * 2011-09-07 2013-03-20 上海久隆电力科技有限公司 Electric energy comprehensive information collecting system
US20140021940A1 (en) * 2012-07-20 2014-01-23 Jung Eui HONG Electric power monitoring device and an apparatus using alternating current power having the same
CN103794039A (en) * 2012-10-31 2014-05-14 西门子公司 Real-time measurement device and control device of electric power system
CN103185835A (en) * 2013-03-28 2013-07-03 国家电网公司 Electric energy metering device with electric energy quality monitoring function
CN203275554U (en) * 2013-06-06 2013-11-06 侯鹏庆 Multipoint electric power parameter monitoring management system based on ARM and WinCE
CN203368143U (en) * 2013-06-24 2013-12-25 国家电网公司 Low-voltage distribution integrated monitoring device
CN103336215A (en) * 2013-07-24 2013-10-02 国家电网公司 Method for carrying out online monitoring on data of electric energy quality
CN103439613A (en) * 2013-09-03 2013-12-11 苏州太谷电力股份有限公司 Electric power security integrated monitoring device and analyzing method thereof
CN103545921A (en) * 2013-09-24 2014-01-29 许继集团有限公司 Urban distribution transformer area autonomous control optimization power system and monitoring system thereof
CN103606057A (en) * 2013-11-29 2014-02-26 国家电网公司 System and method for monitoring power utilization service quality
CN104122476A (en) * 2014-08-08 2014-10-29 国家电网公司 PXI (PCI extensions for Instrumentation)-based networking online testing system of electric power quality
CN204214968U (en) * 2014-11-25 2015-03-18 国家电网公司 A kind of electric energy quality monitoring system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
李云: "《建筑电气》", 31 March 2014, 北京大学出版社 *
章欣: "《智能用电与现代量测技术》", 31 May 2012, 中国电力出版社 *
阮建芳: "《生活与生态》", 30 June 2013, 同心出版社 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302719A (en) * 2018-01-29 2018-07-20 广东美的暖通设备有限公司 Control method, device, system and the storage medium of multi-online air-conditioning system
CN108302719B (en) * 2018-01-29 2020-06-05 广东美的暖通设备有限公司 Control method, device and system of multi-split air conditioning system and storage medium
CN108832715A (en) * 2018-06-14 2018-11-16 张作夷 Electric system based on current waveform real-time monitoring
CN109490622A (en) * 2018-11-10 2019-03-19 王浩 A kind of electricity data calibration technology based on tri-state information
CN109818350A (en) * 2019-03-26 2019-05-28 深圳市九众能源科技有限公司 A kind of electric energy intelligent management and its management system
CN117714246A (en) * 2024-02-06 2024-03-15 成都宽域信息安全技术有限公司 Broadband signal measurement method and system

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