CN106537161A - Method and apparatus for cloud-based power quality monitor - Google Patents

Method and apparatus for cloud-based power quality monitor Download PDF

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Publication number
CN106537161A
CN106537161A CN201580023579.6A CN201580023579A CN106537161A CN 106537161 A CN106537161 A CN 106537161A CN 201580023579 A CN201580023579 A CN 201580023579A CN 106537161 A CN106537161 A CN 106537161A
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CN
China
Prior art keywords
data
power quality
equipment
cloud
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201580023579.6A
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Chinese (zh)
Inventor
沃尔特·M·柯特
克里斯托佛·马林斯
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Power Monitors Inc
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Power Monitors Inc
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Filing date
Publication date
Priority claimed from US14/684,795 external-priority patent/US10060957B2/en
Application filed by Power Monitors Inc filed Critical Power Monitors Inc
Publication of CN106537161A publication Critical patent/CN106537161A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G01D9/005—Solid-state data loggers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00012—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using an auxiliary transmission line
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H02J13/00024—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission by means of mobile telephony
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

A system includes a plurality of power quality devices for continuously measuring and buffering power quality data and transmitting the buffered power quality data on a periodic basis and one or more cloud-based servers communicatively coupled to the plurality of power quality devices. The one or more cloud-based servers are operable to: receive the buffered data transmitted by the power quality devices; decompress and store the buffered data in a database; and display on a web page one or more of a stripchart, daily profile, histogram, waveform, vector diagram, harmonic bar chart, and 3D harmonic graph generated using the stored data. The system also includes one or more computing devices communicatively coupled to the plurality of power quality devices and the one or more cloud-based servers.

Description

For the method and device of the power quality monitor based on cloud
Cross-Reference to Related Applications
This application claims entitled " the Method and Apparatus for a Cloud- submitted on April 13rd, 2015 The U.S. of Based Power Quality Monitor (for the method and device of the power quality monitor based on cloud) " is special Profit application No.14/684,795 priority, U.S. Patent application No.14/684,795 were submitted on April 14th, 2014 U.S. Patent application No.61/979,201 non-provisional application case, entire contents are incorporated by reference into herein.
Technical field
The present invention is related generally to for measuring the system and method for power quality, is related more particularly to for measuring and supervising Survey the system and method based on cloud of power quality.
Background technology
Traditional power quality (PQ) monitor is required for user to walk to below equipment before any analysis meeting is performed Carry recorded data.More advanced equipment makes it possible to directly be connected remotely to monitor, but this still needs clearly Data download time section, and need the presence of good communication when (download is probably tediously long for longer record) is downloaded Link.The normal form of traditional data logger can not in real time or near real-time give notice, therefore, it is difficult to carrying out data in time Analysis.
Additionally, the demand of modern times IT (Information Technology, information technology) is proposed to tradition PQ analyses It is difficult to the obstacle gone beyond.As the electric power facility in many U.S. all has demand for security, so updating software kit and shared PQ numbers It is a slow and loaded down with trivial details process according to file.Data retain policy and are prevented from the data gathered by longer-term storage, and with The increase of the file size of modern records device, and makes it difficult to send big data group between users.
Accordingly, it would be desirable to measure and monitor the alternate systems and method of power quality.
The content of the invention
In one embodiment, system includes being couple to the plurality of electric power product in multiple power quality equipment and communication One or more servers based on cloud of matter equipment.The plurality of power quality equipment is continuously measured and buffers following number According to the data include at least one of：RMS (Root Mean Square, root-mean-square value) voltage, RMS current, wattful power Rate, reactive power and apparent energy, power factor, displacement power factor, phase angle, the amplitude of harmonic wave and phase place, m-Acetyl chlorophosphonazo, IFL, Pst (short time flicker value) and Plt (long-time flickering value) flickering, symmetrical components, phasor, polymerization triggering waveform and wink Become, and the plurality of power quality equipment periodically sends buffered data.One or more services based on cloud Device can be used to receive the data for being buffered sent by the plurality of power quality equipment；The buffered data of decompression simultaneously will Which is stored in database；Show in Web page use stored data and generate strip-chart, day curve map, Nogata It is one or more in figure, waveform, vectogram, harmonic wave block diagram and 3D (Three Dimensional, three-dimensional) harmonic wave figure； And make event alarms that the first power quality equipment from the plurality of power quality equipment receives with from the plurality of electricity The data that the second power quality equipment in power quality equipment is received are associated.
In another embodiment, included by computer implemented method：Every about five minutes from the first power quality equipment Receive at least one of：RMS-voltage, RMS current, power factor, displacement power factor, phase angle, the amplitude of harmonic wave and phase Position, m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, symmetrical components, phasor, polymerization triggering waveform and transition.Methods described is additionally included in Show map in Web page, wherein, the map includes entering the position of the first power quality equipment and the second power quality equipment The mark that row is indicated.Next, methods described is included in Web page shows at least one chart or figure, described at least one Individual chart or figure illustrate it is following in it is one or more：RMS-voltage, RMS current, power factor, displacement power factor, phase Parallactic angle, the amplitude of harmonic wave and phase place, m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, symmetrical components, phasor, polymerization triggering waveform and wink Become.Methods described also includes receiving trigger condition alarm from the first power quality equipment, and based on setting from the second power quality At least one dependent event is recognized for the data for receiving.
In another embodiment, system includes being couple to the plurality of power quality in multiple power quality equipment and communication One or more servers based on cloud of equipment, the plurality of power quality equipment are used for continuous measurement and buffer electric power product Prime number evidence, and periodically transmit buffered power quality data.One or more servers based on cloud are operable For：The data for being buffered that reception is sent by power quality equipment；The buffered data of decompression simultaneously store it in database In；And show in Web page use stored data and generate strip-chart, day curve map, histogram, waveform, to It is one or more in spirogram, harmonic wave block diagram and three-dimensional harmonic wave figure.The system is also described more including being couple in communication Individual power quality equipment and one or more one or more computing devices based on the server of cloud.It is one Or more computing devices can be used to receive the user input in Web page.
According to the described in detail below of accompanying drawing is combined, will be more fully understood by more than embodiments herein offer Feature and other feature.
Description of the drawings
The embodiment proposed in accompanying drawing is inherently illustrative and schematic, and is not intended to limit claim institute The theme of restriction.When in conjunction with the following drawings to read, it will be understood that illustrative embodiment it is described in detail below, wherein, adopt The same structure of same reference instruction, and in the accompanying drawings：
Fig. 1 schematically depict according to illustrate in the application and one or more embodiments for describing for bag Include the system that the distribution system of multiple remote power quality monitoring devices is monitored；
Fig. 2 is schematically depict according to the power quality of one or more embodiments for illustrating in the application and describe Monitor；
Fig. 3 schematically depict according to illustrate in the application and one or more embodiments for describing based on cloud Server system；
Fig. 4 schematically depict according to illustrate in the application and one or more embodiments for describing based on Web Front end；
Fig. 5 be according to illustrate in the application and one or more embodiments for describing for operating power quality equipment Instantiation procedure block diagram；
Fig. 6 be according to illustrate in the application and one or more embodiments for describing in the server based on cloud From the block diagram of the instantiation procedure of power quality equipment receiving data in system；And
Fig. 7 be according to illustrate in the application and one or more embodiments for describing for the server based on cloud The block diagram of the instantiation procedure operated by the Web server in system.
Specific embodiment
Each embodiment describes to include one or more at least one servers based on cloud are couple in communication The system of power quality (" PQ ") equipment.The system can be allowed the user to using the Web browser of standard come to being gathered The data that the system has been fed to via PQ equipment are analyzed, always newest therefore from the data of all devices, are not required to Clearly to download.
There has been described each embodiment of the power quality monitoring system based on cloud.Usually, the system includes two Point：One or more physics PQ equipment and the PQ softwares based on cloud.PQ equipment is mounted in a power distribution system, is usually mounted to Shared coupling junction with power customer, at the monitoring point in public infrastructure, or installed in sensitive or high price At the electrical connection of the equipment (such as large-scale electric-control motor) of value.
As shown in figure 1, the system can include one or more power qualities (PQ) monitor 101 and the clothes based on cloud Business device system 107.PQ equipment 101 is may be mounted in distribution system, and can be by voltage input end 102 from power line 103 receiving voltages.PQ equipment 101 can using Wireless Telecom Equipment 104 by wireless signal 105 (be for illustration purposes only and It is denoted as line) communicate with the server system 107 based on cloud via network 106.Computing device 108 and external common system 109 for example can access the server system 107 based on cloud by network 106.
Fig. 1 includes may be mounted at the multiple PQ equipment 101 at the key position in distribution system.Server based on cloud System 107 can transmit/receive data from/to any one PQ equipment 101, can will be from by the server system 107 based on cloud What PQ equipment 101 was received for example includes the data storage of the voltage readings of RMS-voltage etc. in such as database.
PQ equipment 101 is following equipment, and the equipment can be operated as single monitor or combine the clothes based on cloud Business device system 107 is operated particularly in connection with the software by hosted by the server system 107 based on cloud.PQ equipment 101 can be with It is for example following equipment, such as can obtains from Power Monitors limited companies (Mt.Crawford, VA)OrDeng equipment.In various embodiments, PQ equipment 101 can be Including such as in United States Patent (USP) No.7,881,907, No.7,209,804 and No.8,775,109 held jointly in further detail The equipment of the feature and function of those features and function of ground description, the full content of wherein each patent are merged by reference To herein.
Fig. 2 schematically depicts PQ equipment 101 in more detail.As shown in Fig. 2 PQ equipment 101 is included for power line 103 Voltage input end 102.PQ equipment 101 can also include that voltage reduces device 301, signal adjustment circuit 302, modulus (A/D) and turns Parallel operation 303, microprocessor 304, Wireless Telecom Equipment 104 and low power wireless communication equipment 306.In various embodiments, PQ Equipment 101 includes circuit and outside lead.Outside lead is connected to voltage to be recorded, and sensor clamper in voltage conductor Around or using alternate manner converting the current to suitable input signal.Circuit may be embodied in single housing or Can be using outside catching portion come binding signal adjustment circuit.In certain embodiments, PQ equipment 101 also includes current sense Device.
It can be any suitable electricity for being used to make to be received from power line 103 by voltage input end 102 that voltage reduces device 301 The equipment that pressure reduces.For example, it can be resistor voltage divider circuit that voltage reduces device 301.Signal adjustment circuit 302 can be any conjunction The suitable equipment being adjusted for the voltage signal for reducing to reducing device 301 from voltage.For example, voltage reduces device 301 can be low pass filter.
A/D converter 303 can be any suitable equipment for being used to make analog signal digital.A/D converter 303 can The voltage signal is converted into including the data signal of numeral sample with receiving voltage signal and using any suitable sample rate. Data signal from A/D converter 303 can be sent to microprocessor 304.
In various embodiments, sample rate can be included every about line cycle 256 samples (for example, l/ (256x60Hz) =65 microsecond sample lengths), 1MHz or for high speed transient capture more high sampling rate.Original waveform sample can be fed Into microprocessor 304 (that is, digital signal processor or DSP) so that can with Cycle by Cycle (or it is appropriate if can be which Its time period) calculate RMS-voltage, RMS current, active power, reactive power and apparent energy, power factor, displacement power because Number, phase angle, the amplitude of harmonic wave and phase place, m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, symmetrical components, phasor are (according to phasor measurement Unit specification) and other PQ tolerance.
Sample-synchronous can be made to line frequency by software PLL (Phase Locked Loop, phaselocked loop) algorithm.Each In individual embodiment, above-mentioned measurement is polymerized to 1 second mean value, maximum and minimum of a value.In certain embodiments, it is programmable to touch Send out and may cause to cycle reading or original waveform data is stored as waveform or transition capture record.
In various embodiments, by 101 pairs of 1 second minimum of a value/mean value/maximum readings of PQ equipment further process with Form long-term average, day curve map, histogram, GE flickering records, significant change record etc..The data locally can be deposited Storage is in PQ equipment 101, and also can be polymerized and be sent to the server system based on cloud.Triggering waveform, transition and other The polymerization size of triggering PQ events can change, and in some embodiments it is possible to adjust that polymerization is sized such that can In compression efficiency and more rapidly weighing between renewal to the server system based on cloud.
In various embodiments, also 1 second minimum of a value/mean value/maximum reading of each PQ tolerance is gathered to following Buffering area, the buffering area are configured and dimensioned to so that network overhead when sending to cloud system is minimum.Typical buffering area Length can be 1 minute, 5 minutes or other suitable length.Then data are reset to contribute to compression, and subsequently will Data are fed to compression algorithm.Compressed data is wrapped up with the head of mark monitor and record segment, so that cloud software Can be according to continuous data stream reconstruction record segment.Added timestamp for the data according to the internal real time clock (RTC) of equipment.Such as Fruit can be via network connection service-strong time server, then RTC is by NTP (Network Time Protocol, net Network clock protocols) or SNTP (Simple Network Time Protocol, simple network all the time agreement) synchronize, And/or if the single subsystem in during reliable time server is presented on cellular modem hardware or as PQ equipment System, then RTC is synchronized by GPS (Global Position System, global positioning system).To can shake inside RTC Swing device gps clock is defined as so that in the period of not having outside reference, RTC clock is accurate as much as possible.In some embodiments In, Wireless Telecom Equipment 104 can be passed through or low power wireless communication equipment 306 sends the packet, although can depend on Specific embodiment and use other communication channels.Communication channel can include, but are not limited to bluetooth, WiFi, cellular technology (CDMA, TDMA, GSM, LTE etc.), optics, satellite, radio frequency (RF), traditional telephone system, Ethernet (wired or wireless), LAN, wide area network or similar channel.
In various embodiments, PQ equipment 101 continuously measures and buffers PQ information, and checks any trigger condition. In some embodiments, PQ equipment 101 includes the voltage and current Wave data number that will be gathered from conductor, sensor and outside lead Whole analogy and digital circuits necessary to word.According to such data, can calculate such as following by PQ equipment 101 Power quality parameter：RMS-voltage and electric current, active power, apparent energy, phase angle, reactive power, power factor, harmonic wave (bag Include amplitude and phase place), displacement power factor, total harmonic distortion, total amount of power, total active power, total reactive power, total apparent work( Rate, total power factor, phase angle, cycle histogram, periodic event change, flickering, abnormal voltage, transition and power-off etc.. In some embodiments, PQ equipment 101 can also be polymerized triggered waveform.
In certain embodiments, PQ equipment 101 includes the hardware that can carry out current measurement, such as using hardware or Rogowski (Roche) coil pickoff of Integrated Simulation.
In various embodiments, low power wireless communication equipment 306 can be any suitably for radio communication sum According to the equipment of transmission, including such as RF equipment, WiFi equipment or bluetooth equipment.Low power wireless communication equipment 306 can be used Such as low power wireless communication agreement carries out radio communication with each external sensor 305.Low power wireless communication equipment 306 can To be a part for Wireless Telecom Equipment 104 or can separate with Wireless Telecom Equipment 104.
External sensor 305 can include temperature sensor, sunshine recorder, humidity sensor or other environmentally sensitives Device or sensor (such as oil temperature sensor and oil pressure on distribution transformer that can be attached on other electrical equipments Battery sensor in sensor, substation batteries group).These sensors can use the energy harvesting technology for electric power, And low-rate data is provided to PQ equipment 101.Alternatively, external sensor 305 can be connected to by USB or Ethernet PQ equipment 101.In the case where being connected by Ethernet, it is possible to use POE (PoE) technology, wherein, PQ equipment 101 Sensor power is connected as by Ethernet.In the embodiment including external sensor 305, PQ equipment 101 can read biography Sensor data, and the sensing data is incorporated in the process of its own, including data storage processing, alarm trigger process and Towards the transmission of the server system 107 based on cloud.
In certain embodiments, PQ equipment 101 selectively can include for example using DNP3 or IEC-61850 agreements SCADA (Supervisory Control And Data Acquisition, data acquisition and supervisor control) system Interface.Using the interface, PQ equipment 101 is controlled by SCADA-master, and at any time PQ equipment 101 can be carried out Poll, or if trigger condition meets, then uncalled response is sent by unexpected message.SCADA interfaces can be used (for example, SCADA is adjusted using CDMA cells using Ethernet, cloud from cloud interface identical network connection or different network connections Modulator-demodulator) as cloud interface.Different interfaces make the trustship of SCADA sides with the 107 detached peace of server system based on cloud In full network environment.
One embodiment of PQ equipment 101 includes the suitable electricity for being used to being connected to low pressure (600V and following) distribution network Pressure and current sensor.PQ equipment 101 is included for calculating the DSP of real-time PQ measured values.Second processing device is (such as based on ARM 32 level controllers) be managed from DSP gathered datas, to the communication from all of the port, processing data storage and perform Other process.Available COM1 include bluetooth (class (Class) and low energy consumption), WiFi (ad-hoc and access point mode), Cellular modem (CDMA/GSM/LTE), Ethernet, high speed USB (it is double mode, support be connected to PC as peripheral hardware, when attached Connect when USB flash memory drives as main frame), and ANT (for be connected to external sensor).In this embodiment, PQ equipment 101 Electric power is drawn from the voltage signal or current signal for measuring.Some embodiments are used can be in full scale measurement range The AC power that (such as the 60-600VAC or 80-250VAC of house instrument foundation application) powers for equipment, and other Embodiment can be related to via with the Capacitance Coupled of voltage monitoring point or with the inductive of just monitored electric current carry out energy Amount harvesting.Rechargeable battery or ultracapacitor can cause standby (ride-thru) electric power is provided during power-off. Record can be proceeded by line power loss using non-firm power, and/or electric power is provided with to the service based on cloud Device system 107 or SCADA-master send " will power-off (last-gasp) " and notify that (this can trigger email notification or SMS Notify).
In some enforcements such as embodiment such as house services monitoring, 2S shape instrument foundations collar is located at income instrument and instrument Between table base.In this embodiment, special shell includes PQ equipment 101, and voltage and current is set by PQ Standby 101 enter income instrument from instrument foundation.Antenna for bluetooth, WiFi, GPS, cell and ANT may be located at the inside the shell Farthest to ensure user security, can also be externally installed with extensive radio frequency scope.For status monitoring and locally Connect and external LED and USB port can be included.In certain embodiments, there can be electric isolution for USB connections.In the reality Apply in example, PQ equipment 101 includes two voltage channels and two current channels.2S shapes shell can accommodate Inner plastic shell, Inner plastic shell is configured to receive electronic device and prevents external environment electronic device.
Other physical form factors include using banana jack input or anchor leg and combine outside Rogowski (sieve Family name) coil or iron core pincers little rectangular shape.Can be on the inside of transformer case, on used in electrical panel or other little spaces State embodiment.In this embodiment, equipment includes multiple passages for multi-phase electrical system.
One embodiment inserts standard 120V jack, and including the flow export of 120V, so that can be by load insertion Wherein.In this embodiment, selectively the outlet can be switched using the relay in PQ equipment 101 or other switches. In this embodiment, PQ equipment 101 can include that (one is used for line neutral point, or two use to one or two voltage channel In measurement line neutral point voltage and the voltage between neutral point and earth point) and a current channel.
In various embodiments, PQ equipment 101 may be coupled to the server system 107 based on cloud when upper electric, and Status message and other information such as buffered data can be sent to the server system 107 based on cloud.In various embodiments, Buffered data is sent periodically the server system 107 based on cloud to provide the user with the access of near real-time.Transmission period Can be different because of specific embodiment, and in some instances, can because of specific embodiment in concrete setting and it is different.In some realities Apply in example, buffered data was sent every about 5 minutes.In certain embodiments, buffered data was sent every about 1 minute. In other embodiment, buffered data was sent per 2 seconds.
In various embodiments, PQ equipment 101 can be while data be transmitted to cloud system by the waveform for being triggered, wink Become, minimum/average/maximum data set, histogram, and/or day curve map is recorded in internal non-volatile memory so that The subsequent server system 107 transferred data in the case where communication is temporarily lost based on cloud.In certain embodiments, it is right Triggering waveform, transition, the polymerization of minimum of a value/mean value/maximum value data, histogram, and/or day curve map carry out record can be with Make it possible to by the 108 grade PC of computing device in such as Fig. 1, tablet PC or smart mobile phone come downloading data.Can be under Directly data are analyzed on load equipment (such as by PC softwares), save the data in data file or subsequently uploaded To in cloud system.Once data are uploaded, then the data can be obtained by cloud user, be transmitted directly to cloud use just as by the equipment Family is the same.
In certain embodiments, PQ equipment 101 can also be operated for data stream transmitting to local device is set as calculated Standby 108.For example, the tablet PC or others PC for running application program can be connected to PQ equipment using bluetooth or WiFi 101.In certain embodiments, computing device 108 can be connected to PQ equipment 101 via network 106.In various embodiments, Once establish WiFi links, it is possible to use TCP/IP.In some cases, low-power consumption bluetooth technology can be used for initialization Link, and communication can be transitioned into WiFi at faster speed.If computing device 108 (tablet PC, smart mobile phone, PC etc.) with cellular data connect, then can use PQ equipment cell or Ethernet connection, wherein the two equipment it Between tcp/ip communication is carried out by the connection of the cell of two equipment.In the case of using PC, it is also possible to connected using local USB Connect.
In certain embodiments, can be inquired about by the application program of computing device 108 and showing real-time wave, humorous Ripple, vectogram etc., this present for retrieving the complete agreement of whole PQ parameters.Additionally, as previously noted, can be with All record datas are downloaded in computing device 108 from PQ equipment 101.
In addition to sending a complete set of PQ measured values to the server system 107 based on cloud, PQ equipment 101 also to it is relevant each The trigger condition of measured value is checked.Each measurement parameter can have multiple high activation threshold values and low activation threshold value, wherein, Optional moving average window, delayed and minimum triggered time need to meet trigger condition.If trigger condition is satisfied, message Cloud system is addressed to immediately together with triggering details.Selectively, the data of other all queuings are cleared when trigger is triggered Into based on the server system 107 of cloud, so that all data are immediately available to cloud user.It is any that PQ equipment 101 is detected The alert consitions of triggering are immediately sent by the server system 107 based on cloud, it may be possible to trigger Email, text message Or other operations.
One or more servers are included based on the server system 107 of cloud, several process are performed.Clothes based on cloud Business device system 107 is monitored incoming data from outside PQ equipment, decompresses the data and store it in file system or data In storehouse, and post-process the data more effectively to enter line retrieval.Server system 107 based on cloud is gone back trustship and is based on Web Front end PQ equipment and set up electronics postal to facilitate User logs in, access data storage, configuration in the form of chart and report Part/SMS distribution lists etc..As user is configured by web front end, the server system 107 based on cloud is based on from PQ The trigger condition that equipment is received is sending the SMS message of the Email sum for having formatted.Server system 107 based on cloud Can also with the unit PQ software links based on PC, by data to and/or from other software import and/or derive.
Terminal use can access server system 107 based on cloud from standard web browsers, eliminate to installing PC softwares Or the needs of correlation IT components.Can be from Desktop PC, mobile phone, tablet PC or any compatible with internet access and standard The equipment of row Web browser is accessing the server system 107 based on cloud.As PQ data can directly be entered from PQ equipment 101 Enter the server system 107 based on cloud, so the data are immediately available to all cloud users for authorizing.
PQ data are ensure that in no physics from each PQ equipment 101 to the 107 continuous flowing of server system based on cloud Access monitor is carried out in the case that tediously long teledata downloads, and newest data are always available.
Include running the server of Linux or BSD Unix for each embodiment of the server system 107 based on cloud Networked collection.Fig. 3 shows the example embodiment of the server system 107 based on cloud.As shown in figure 3, the service based on cloud Device system 107 includes at least one database 401 and multiple process, and above-mentioned multiple process include：Monitor and process at 402, warning Reason 404, Email and SMS alert process 405 and data set process 408.Fig. 3 shows the single place for each task Manage, and these process may reside on multiple independent servers or be combined on individual server.Clothes based on cloud Business device system 107 is also depicted as including data set preprocessor 403, Web server 406 and external interface 407.Based on cloud Server system 107 can be any suitable combination of software and hardware, and be connected to network 106 as shown in Figure 1.
Database 401 could be for any suitable combination of the software and hardware for realizing database.Database 401 can To realize on the same hardware as the remainder of the server system 107 based on cloud, or can realize as base In the different hardware of a part for the server system 107 of cloud.Database 401 can be stored from PQ equipment 101 and be sent to base In the data of the server system 107 of cloud.
In various embodiments, database 401 is relational database (for example, DB2 or MySQL) and can be used to store Metadata, the metadata include but is not limited to PQ device identifications, position, user account information, Email and SMS distribution lists Etc..Original PQ data can be stored in database, or are stored in properly optionally as single binary file File system (such as zfs) in.In the case where storing as external file, database 401 can store initial data File pointer or metadata, metadata make it possible to calculate file name and catalogue when needed from algorithm.Based on file Data can be stored in one or several machines or virtual machine.In certain embodiments, alternate data storehouse 401 uses file System, or file system is also used in addition to database 401.
In various embodiments, data are stored in database 401 by block, and the length of the block can be such as 240 numbers Strong point is to 1800 data points.Can in PQ equipment 101 or by the process on the server system 107 based on cloud such as by The process that data set handler 403 is performed is carrying out piecemeal to the data.For example, data set preprocessor 403 can accumulate biography The data that enter simultaneously are readjusted the size of block for desired piece of level.Piecemeal is carried out to the incoming data from PQ equipment 101 The data point received for each can be allowed by avoiding insertion operation is performed on database 401 to increase database Energy.These blocks are stored must be with timestamp and block length.
In various embodiments, the bandwidth of needs is schemed using data pick-up to reduce the very long duration.As PQ sets It is standby measured, initial 1 cycle min/max for each PQ parameter and 1 second mean value be it is available, but user Equispaced can also be changed.For example, it may be desirable to use 1 minute mean value rather than 1 second mean value.To contribute to aforesaid operations Mode is extracting the data stored on server.For example, using factor 10 is extracted, each data source is stored in original form, so Extracted using the first order afterwards, store minimum of a value in this 10 points, mean value and maximum (size of data only reduces 10/3).Under One higher extraction level 10 first group of decimation values in 100 initial initial data are combined with generate minimum/ Averagely/maximum (data reduce 100/3).At next higher level, as needed, generate from 10 values of previous level Minimum/average/maximum, the like.The extraction process is performed for each different types of data from PQ equipment, this is not Same data type includes each 1 cycle minimum of a value and maximum and 1 second average tendency data set.Minimum and maximum takes out Value is used to generate extraction figure, and the mean value for extracting for calculating to the figure of different equispaceds and day curve map.
Database 401 can also store the data as the banding diagram data for being extracted.For example, if it is desired to including one second The figure of 1 year strip-chart data value of the second mean value, then can return a large amount of points：Million points of 86400x365=31.Such as Fruit by these point-renderings on the display of normal size size, the wide figure of such as 1024 pixels, then each picture of x-axis The had point of element row can more than 30000, therefore be not each point be visible.Replace returning all 31,000,000 points, The track for being returned only to the reduction of two component resolutions is enough.In which case it is possible to use extracting factor 4096 produces two 7500 points of track.Each in these " points " can cover 4096 actual strip-chart points.One track can be per group The time series of the maximum of 4096 points, and another track can be minimum of a value.This two tracks can be sent to The application program of request, and graphically.Can be at the most pixels in x-axis by drawing from first point most Big value arrives the line of the maximum that the next one is put to render the figure to the minimum of a value of the point again, the like.The figure can be Visually with draw initial 31,000,000 point data collection and be equal to, and no matter figure be exaggerated how far still can show it is exhausted To maximum and minimum of a value.If user reduces figure, the strip-chart of new extraction can be returned.If the point foot asked It is enough little, then can use different extraction levels or at all need not.
It can for example use factor 16 that one is extracted strategy.Original block data typically may be stored in database In 401.Can then proceed in factor 16 and carry out extracted data, it is possible to store maximum/minimum value.For example, for block in per 16 It is individual, maximum and minimum of a value can be stored.These values can also be stored in database 401 by block.Can then proceed in because Number 16 further extracting extracted data, the like.For example, it may be desirable to 16 times of extractions of up to 8 levels.When connecing When receiving strip-chart request, time started and end time can be received.It is based on the process on the server system 107 of cloud, all Appropriate extraction level can be calculated so that returning appropriate number of point as such as data set processes 408.The point for being returned Quantity can be large enough to be sufficient so that the figure of maximum/minimum value and visually can be equal to full dataset coordinate diagram, but not Can be big again, then the big quantity that may make transmitted data is minimized.
The strip-chart for being extracted can be calculated as example pre-processing by data set by the server system based on cloud Then the data are sent to database 401, or offline batch processing can be from databases 401 by data that device 403 is received in real time Middle retrieval initial data, extracts to initial data, and is stored back in database 401.Alternatively, in the feelings not extracted Initial data can be stored in database 401 under condition, and can be when from 401 request data of database necessary feelings Extraction is performed under condition.This can enable to send the less data set provided by extraction, without safeguarding extraction number According to storehouse 401.In alternative embodiments, extracted data can be stored as binary file rather than be stored directly in database 401 In.
Data set preprocessor 403 is may also listen for from PC application programs, tablet PC application program or intelligent hand The block data transfer of machine application program, generally monitors the data via locality connection from PQ device downloads.To can set from PQ Standby 101 recorded data file is uploaded to based on cloud from independent PC softwares, tablet PC or Smartphone device Server system 107.These representation of file each record of PQ equipment 101 had been downloaded to via locality connection or long-range connection previously Section.When being uploaded, these record by with it is same as below in the way of and can be used for data analysis：From at 101 direct stream of PQ equipment Manage to the data of the server system 107 based on cloud and be presented.The downloading data of importing is converted into into the server system based on cloud System data form, for these index datas, selectively extract, store the data to check web interface.Can by from appoint The data in one source are drawn together or are reported.Unique record segment ID is attached to each the importing bag from PQ equipment, and this makes Flow data can be matched with the log file from same PQ equipment and the time period that can subsequently upload.
Usage log can be conserved, and usage log can be used for recognizing which figure and report are most possible interviewed Ask.Pre-rendered can be carried out to being identified as may to be subsequently accessed for figure and report by offline batch processing device.
Monitor process 402 pairs of importings connections from PQ equipment 101 carry out monitoring, receiving data bag, parsing content will Data distribution is to other process such as data set preprocessor 403 and alert process 404.It can be hardware and soft to monitor and process 402 The back-end software run on universal cpu in any suitable combination of part, such as server system 107.In some realities Apply in example, monitor process 402 and can decompress strip-chart and other data.
Data set preprocessor 403 can be any suitable combination of hardware and software.Data set preprocessor 403 can 402 receiving datas are processed from monitoring, and can perform a piecemeal and extraction operation as mentioned above, and can be with any conjunction Suitable mode is by insertion of data into data storehouse 401.For example, data can be straight after the process of data set preprocessor 403 Connect and be inserted in database 401, or the strip-chart buffering area of original and extraction can be preserved in memory, and work as When reaching desired block size, by the strip-chart buffering area write into Databasce 401 of the original and extraction.In some enforcements In example, initial data can be stored in one or more files.It is, for example possible to use file system and non-database.
Alert process 404 could be for any suitable combination of the software and hardware for detecting alert if, and can To separate with database 401 or the database trigger used in database 401 and the program that stored are realizing. Alert process 404 can from monitor process 402 receive initial data, and can to seek from PQ equipment 101 alarm and The data of event message are parsed.If alert process 404 finds the warning trigger condition in data, data can be inquired about Storehouse 401 is determining what action this takes.Alert process 404 can also cache each long-range measuring apparatus 101 alarm condition, Last state value and newest real-time Simulation reading.It is right to avoid that the value cached by these can be fed to Web server 406 The excessive queries of database 401.
In various embodiments, when the server system 107 based on cloud and particularly alert process 404 receive it is touched When condition alarm, warning or the event message sent out, alert process 404 can be recognized based on the data received from another PQ equipment At least one dependent event.In certain embodiments, alert process 404 can make from a PQ equipment event message for receiving It is associated with the data received from different PQ equipment.For example, a PQ equipment can send and can trigger alert process 404 Event message, is estimated so as to recognize dependent event with the data from other PQ equipment to the same period.In some realities Apply in example, alert process 404 is attempted based on user input for example for the data from one or more other PQ equipment The instruction being estimated is recognizing dependent event.As described hereinafter, in various embodiments, with the thing from multiple PQ equipment The corresponding data of part can be displayed in Web page by Web server 406.
In various embodiments, the server system 107 based on cloud is in response to receiving the warning or tactile from PQ equipment 101 Clockwork spring part, and at least one Email or SMS message are sent to user.Alert process 404 can recognize warning or trigger bar Part and trigger Email and SMS alert process.Email and SMS alert process 405 could be for sending from clothes Any suitable combination of the hardware and software of the Alarm Communication of business device system 107.Email and SMS message alert process can Correct distribution list is determined for concrete alert if to inquire about to database 401.When being notified by alert process 404 During alert if or event message such as trigger condition, Email and SMS alert process 405 can for example use Email Alarm is sent with SMS message.Email alerts can with formatted, and can include text or graph data show with And for the URL of download web content.Email and SMS message can be configured with equipment according to specific warning.
Data set processes 408 and could be for entering the data from database 401 line retrieval and the hardware for processing and soft Any appropriate combination of part.When receiving the strip-chart from such as Web server 406 and asking, data set processes 408 can be with To the necessary block that the inquiry of database 401 is set up needed for desired banding diagram data.Data set processes 408 and can retrieve block, and The data of expectation interval are reconstructed using block data.Data set processes 408 and can be also used for using retrieved data next life Into report and figure.
Web server 406 could be for any suitable combination of the hardware and software of trustship Web page.At some In embodiment, Web server 406 can be Apache (Apache) server.Web server 406 can with trustship web front end, For example can be by the Web page of access to the Internet, which can serve as the user interface of demand management monitoring system.Web service Device 406 can access any suitable computing device 108, such as personal computer or smart mobile phone by network 106.At each In embodiment, Web site be configured to do not use any client plug-in or need software installation other codes situation Under provide a user with data.Web server 406 for example can process 408 using data set when necessary and retrieve from database 401 Data, and can communicate with PQ equipment 101, this allows to by computing device 108 control PQ equipment 101.
External interface 407 could be for appointing for the hardware and software being connected with external common system 109 (illustrating in Fig. 1) What suitable combination.For example, external interface 407 can include the DNP3 interfaces of electric power facility SCADA system.External interface 407 Can serve as DNP3 gateways, and DNP3 wheels can be responded by appropriate data are returned from database 401 inquiring about request, If PQ equipment 101 performs DNP3 agreements, the response that PQ equipment 101 can be sent originally is replicated.If based on cloud Server system 107 from PQ equipment 101 receive warning or event, then can by external interface 107 to external common system System 109 sends corresponding uncalled message, such as send message to SCADA system using DPN3.External interface 107 can To emulate the performance of following system：Wherein, PQ equipment 101 is with directly linking with external common system 109, for example directly with The DNP3 links of SCADA system.
Alternatively, PQ equipment 101 can come directly public with outside using the suitable agreements of such as DPN3 or any other It is attached with system 109, and while is connected with server system 107.PQ equipment 101 can be sent to server system 107 Compression blocks data, and also SCADA system can for example be passed through to outside synergic system according to the request of SCADA master controllers 109 send telemetry.PQ equipment 101 can send alarm and alert if by either interface.PQ equipment 101 can also be only It is connected with external common system 109, and can no server system 107.
In various embodiments, one or more additional processes can be implemented based on the server system 107 of cloud.These Process can include it is hereinbefore identified during or can be independent process.For example, figure/report was rendered Journey can process the importing figure and report request (being generated on website by user) from Web server 406.The process is assembled Data storage from PQ equipment, render desired figure or report and send it to Web server 406 to be displayed in use On the Web browser at family.The formatting Email with embedded graphic is created also using figure/report render process. Used as another example, a process can be used for carrying out real-time Communication for Power with PQ equipment, wherein, user is initialized by web interface Link is with real time inspection data.In certain embodiments, monitor procedure is monitored to other processes, is restarted when being necessary Other processes, preservation process daily record, and send managerial warning and state electronics postal as desired for appropriate system operatio Part.Notwithstanding independent, different process, but can take into account these processes and can be bonded to each other.
In various embodiments, the server system 107 based on cloud also allows user that PQ equipment 101 is placed in " burst mould Formula ".Burst mode enables the server system 107 based on cloud to send message to PQ equipment 101, then by real time readouts by the second Server is sent back, to be displayed in the Web browser of user.These readings can be based on text in the browser of user Real-time measurement values or be plotted as whole waveforms of time series, Harmonic Decomposition or vectogram.
Each embodiment allows users to by the server system 107 based on cloud further correct PQ equipment 101 Configuration.User can store in database or search criteria or customization configuration.In certain embodiments, the clothes based on cloud Business device system 107 can show for configuring the interface of PQ equipment, provide the user various configurations and select.In some embodiments In, can be configured come query facility by the server system 107 based on cloud, user can change equipment in Web browser Configuration, and device configuration is sent back into PQ equipment 101.User can be by indicating the one or more with installing of PQ equipment The interface put provides user input to change the configuration of one or more PQ equipment.In some embodiments it is possible to will set Standby configuration saves as template to be applied to the new PQ equipment for being added to system.
As mentioned above it is possible, in addition to being directly connected to PQ equipment 101, in certain embodiments, computing device 108 can To be connected to the server system 107 based on cloud.Server system 107 based on cloud can pass through smart mobile phone or flat board is calculated Machine Web browser, using equipment specifically interaction (for example click on or other gestures, for being affectedly bashful of scaling, Rotation screen etc. Deng) the customization that may not have of traditional PC Web browsers data are presented to user.Customization smart mobile phone application program or Tablet PC application program also bypasses browser, is directly connected to the server system 107 based on cloud by DLL.
In various embodiments, as shown in figure 4, Web page provides the map of territory of use carrys out overlay device state letter The view based on map of the PQ equipment of breath.Fig. 4 depicts exemplary web front end.Web front end can be web browser window The Web page 502 shown in 501.Web browser window 501 can be the part of any suitable Web-browsing software.Web page Face 502 can be included with markd map 503, such as mark 505 of positioning PQ equipment 101.Web page 502 can be used On icon and designator information with regard to PQ equipment 101, such as electric current alarm condition, sequence are for example shown in Information 504 Row number, title, current indication and electric current ambient measurements.It is that one of PQ equipment 101 have selected mark on map 503 After 505, can be suitably for example carrying out display information in the way of pop-up window or single screen with any other.User can In the way of information and the information shown by being arranged by using the design parameter extracted from database is shown.For example, point Hit mark 505 and can eject the display window for illustrating real time readouts.User can be clicked on to start " burst mode ", and this can cause Web server 406 sends request to PQ equipment 101 to start to send real-time update.In burst mode, Web page 502 can be with Continuous real time readouts are shown, and while burst mode is persistently being carried out.
The position of PQ equipment 101 can be manually inputted by dragging the mark 505 on map 503 for example, from Airborne GPS Obtain the position of PQ equipment 101, or the position that PQ equipment 101 is calculated according to the cell tower location information collected from PQ equipment 101 Put.Other public assets can also be together with for such as weather (such as sunshine, cloud layer, temperature, humidity etc.) or distribution system letter The covering of third party's information of breath (such as line load, known fault) is displayed on map 503 together.Can be from PQ equipment 101 or from other weather sources, from GIS (Geographic Information System, the geography information system of electric power facility System) obtain in asset data (such as electric pole position, power transformation station location etc.) show on map 503 public assets, weather, Distribution system and other information.User can be configured to these coverings.
Each account includes PQ subset of devices, allows the user to only check themselves equipment.User can look into It is strip-chart apparently from the newest PQ data of one or more PQ equipment, daily curve map, histogram, waveform, vectogram, humorous The figure of ripple block diagram, 3D harmonic wave figures etc. and report, and be readily able to zoom in or out to check any desired time period.
Web page 502 can be used for request and generate report, such as basic HTML reports.User can use Web page Request report is carried out in face 502, and this causes the process in 406 invoking server system 107 of Web server, such as data set to process 408, data set process 408 can to the value that database 401 is inquired about needed for concrete report, render in HTML this report and Report is shown to into user in Web page 502.The user input of Web page 502 can be received by computing device 108 and quilt It is sent to the server system 107 based on cloud.Selectively, report can be rendered as PDF, Excel electrical form or any Other suitable forms.User can customize the appearance style of report for example with logo, title, footnote etc..User Can also using to database 401 using database scheme understanding, create report by writing suitable code.May be used also Report is created with using figure guide or drag and drop scheme.
The figure of any time sequence data in database 401 can be included in mobile device as Web page 502 On 108 display.For example, other figures and report in, figure can include using data storage generate strip-chart, Day curve map, histogram, waveform, vectogram, harmonic wave block diagram and 3D harmonic wave figures.In various embodiments, figure and report can With illustrate from one or more PQ equipment receive RMS-voltage, RMS current, power factor, displacement power factor, phase angle, The amplitude and phase place of harmonic wave, m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, symmetrical components, phasor, polymerization are triggered in waveform and transition It is one or more.In certain embodiments, figure or chart can be illustrated in the interval that user limits from one or more RMS-voltage, RMS current, power factor, displacement power factor, phase angle, the amplitude of harmonic wave and phase that individual PQ equipment is received It is one or more in position, m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, symmetrical components, phasor, polymerization triggering waveform and transition Mean value.The interval that user limits can be received by Web page 503 and for calculating mean value as above.
Process on server system 107 such as data set processes 408 and can call to call for example, by AJAX, and Banding diagram data from database 401 can be conducted interviews, including deblocking and appropriate extraction, and using the data as JSON objects and return to Web browser 501.Then the Javascript codes in Web browser 501 can be in canvas object On render the figure that will be shown in Web page 502.The embodiment party of Flash, JAVA or pc client code can also be used Formula.
With customized graphicses, including track color and attribute, annotation, mark etc. can be customized.Can be according to figure dynamically example Such as 101 equipment of long-range measurement by mark 505 is dragged on figure from map, or it is directed to long-range measuring apparatus 101 by dragging figure addition away from or deleting the strip-chart information of one of them long-range measuring apparatus 101.Custom views or annotated map Shape can be stored in database 401 for subsequently recalling, or can save as URL (Uniform Resource Locator, URL), URL can add bookmark or be sent to other users.In various embodiments, Web is painted Drawing system allows user by the data mixing from multiple equipment to single figure, and also can mix on single figure Different measurement types (such as RMS-voltage and threshold value (THD)).Had using multiple coordinate diagrams, left and right y-axis and stacking axle technology Effect ground shows large data sets.The link that can be clicked on figure allows user to extract trigger event data (such as RMS on tendency chart Voltage strip-chart can have following link, when the link is clicked, generate triggering wave capture figure simultaneously).
Although PQ equipment 101 can send each amplitude and phase information from each harmonic wave, the clothes based on cloud Business device system 107 can also directly perform Spectrum Analysis according to wave capture, can be used as the harmonic wave block diagram in Web page For user.It is the time period being analyzed that interactive harmonic wave figure allows user to select in waveform.Similar side can be used Method is being presented interactive vector figure.Additionally, Wave data can be used to the RMS capture figures for calculating sample-by-sample slip.If carried Such data are supplied, then trend/strip-chart can have been zoomed to the RMS views or original waveform automatically switched to based on sample Level.
As described above, in various embodiments, web interface allows user to add or remove uploaded data file, or Person and shared the uploaded data file of other users.Figure or report can be converted into link, the link allows second to use Family generates identical figure and (for example, can send link to another user by Email, when the link is clicked just Start Web site and generate figure).If second user does not have existing account, alternatively can create one it is new interim Account, or the link can require the existing account in specific group or member.The other users being associated with same account can PC is returned with the file download for having uploaded previous user, and is transmitted directly to based on cloud from PQ equipment in the specified time period The data of server system can export as and be suitable for load in desktop (such as ProVision, Excel etc.) File format.In certain embodiments, can by with public records section ID all packets be combined with generate with from The log file of the log file equivalent generated in local PQ device downloads.
Can be charged for cloud service using several method.In one embodiment, for expense deduction and exemption there is provided solid The fixed time period (such as progressive rolling movement two weeks), and individually charge for permanent storage.In other method, annual fee can be with It is associated with data storage.Alternatively, real-time data access and email alerts are provided free, but long issue can be directed to According to storage charge.Individually expense can be used for the storage of PQ equipment rather than from the files passe of other softwares.
Fig. 5 depicts the exemplary step for being operated to long-range measuring apparatus.In frame 601, can be from power line Receive line voltage.For example, power line 103 may be connected to the voltage input end 102 of PQ equipment 101.
In block 602, the voltage of line voltage can be reduced.For example, PQ equipment 101 can have voltage to reduce device 301 such as It is connected to the transformer or pulse tolerance type voltage grading resistor of voltage input end 102.Line voltage can flow through voltage and reduce device 301 And terminate in the voltage for reducing.
In frame 603, line voltage can undergo signal adjustment.Voltage reduce after, can by signal adjustment circuit 302 with Any suitable mode is adjusting line voltage.For example, line voltage can be passed through low pass filter.
In block 604, line voltage can be converted into numeral sample.For example, PQ equipment 101 can be adjusted with signal is connected to The A/D converter 303 of whole circuit 302.After voltage that is reduced and have adjusted line voltage, line voltage can be turned by A/D Parallel operation 303 is digitized and exports as the data signal with numeral sample.
In frame 605, the RMS-voltage of line voltage can be calculated based on the numeral sample of line voltage.For example, turn in A/D Parallel operation 303 is converted into line voltage after numeral sample, numeral sample can be fed into microprocessor 304.Microprocessor 304 can Numeral sample is based on using any suitable algorithm calculate RMS-voltage.Microprocessor 304 can also for example from external sense Device 305 receives other data, the data can be used to calculate RMS-voltage or can with RMS-voltage data be packaged with It is sent to the server system 107 based on cloud.Suitably, microprocessor 304 can also be generated and be reported to the police or event message, and with RMS-voltage and other data are sent together.
In frame 606, RMS-voltage and other data can be transmitted to server system.For example, microprocessor 304 can be with RMS-voltage and other data are sent to Wireless Telecom Equipment 104.Wireless Telecom Equipment 104 can using wireless signal 105 come with Network 106 communicates.RMS-voltage and other data can be routed to by the server system 107 based on cloud by network 106, its In, receiving data can be carried out by process 402 is for example monitored.RMS-voltage and other data can be compressed, and can use low Data rate telemetry scheme is sending.It is, for example possible to use differential and arithmetic compression technology are being up to 30:1 compression ratio is pressing Contracting RMS-voltage and other data.Compression algorithm and data block size are adjustable, enable to carry out system fine setting by number It is kept as according to transmission little as much as possible.
Although the illustrative steps of Fig. 5 specifically describe the calculating to RMS-voltage, it is to be understood that can be similar to Mode is calculating and send other PQ measured values, such as RMS current, flickering, harmonic wave, wave capture etc..
Fig. 6 depicts the illustrative steps of the PQ equipment receiving datas from the server system based on cloud.In frame 701 In, the data from PQ equipment can be received.For example, can be electric including RMS by what is sent from PQ equipment 101 by network 106 The data of pressure and other data are routed to the server system 107 based on cloud.Monitoring process 402 can be with receiving data.
In block 702, can alarm and event message be directed to check data.For example, monitoring process 402 can be to warning Process 404 and send data, and alert process 404 can determine whether the data include any warning or event message.
In frame 703, if warning or event message are detected in data, flow process marches to frame 704, otherwise flow process March to frame 705.
In block 704, alarm can be sent.For example, if alert process 404 determines that data include that alarm or event disappear Breath, then alert process 404 can trigger the Email and SMS alert process that can send alarm.Can by Email, SMS or using any other suitable communication mode sending alarm.Email and SMS alert process 405 can based on The alarm that finds in data or event message checking database 401, to determine which kind of message sent.
In frame 705, data can be pre-processed.As described above, for example, monitoring process 402 can be to data set Preprocessor 403 sends data, wherein it is possible to be extracted to data and piecemeal.Any other pretreatment can also be performed, For example make RMS-voltage data and be associated including other data for example from the data of external sensor 305.
In frame 706, can be by insertion of data into data storehouse.For example, data have been carried out in data set preprocessor 403 pre- After process, can by handled insertion of data into data storehouse 401 for longer-term storage and retrieval.
Fig. 7 depicts the illustrative steps for being operated to the Web server on the server system based on cloud. In frame 801, the request from computing device can be received based on the Web server on the server system of cloud.For example, using meter The user of calculation equipment 108 can navigate to Web page 502 using Web browser 501, and this can be with show map 503 and PQ Data on equipment 101.Request and the data being displayed in Web page 502 from computing device 108 of Web page 502 Can be sent to the server system 107 based on cloud by network 106, wherein, Web server 406 can receive the request.
In frame 802, data can be retrieved from database in response to the request to data.For example, Web server 406 Data set can be called to process 408, data set processes 408 and asked data can be retrieved from database 401.
In frame 803, data can be processed.For example, data set process 408 can for example by extract not yet by Decimated data simultaneously convert the data into the report for being suitable to show in Web page 502 or figure to process the data. Web server 407 can also process the data, for example, by the mark of the data and appropriate PQ equipment 101 on map 503 505 are associated.
In frame 804, can in Web page display data.For example, can be in the Web page 502 of Web browser 503 Upper display data, so that user can check and interact with the data in computing device 108.Show that the data can include Show map 502, display information toolbar 504, display data or the display in the form of figure or report in pop-up window Data.
As the server system based on cloud is with the data from multiple PQ equipment, so each embodiment makes it possible to The data analysis technique for carrying out is difficult or impossible to otherwise.For example, can be by distribution system using from many The aggregated data of individual PQ equipment is calculating aggregate demand distortion.As another example, can pass through to access the system from whole circuit One data carry out checking system model.Trend or problem can be found using the correlation of the PQ equipment of various location. In distributed generation system, can use and local generated energy at each position is illustrated based on the display of map come near real-time, And can be covered to identify imminent change or trend with sunshine or cloud layer based on the display of map.
Just as used in this application, " computer " or " computer system " can be for example and be not limited to, individually or The personal computer (PC) that is applied in combination, server- based computing machine, main frame, server, microcomputer, mini calculating Machine, laptop computer, personal digital assistant (PDA), cell phone, pager, processor, including they wireless and/or Wired modification and/or it is any can be configured for receiving, store and/or process for stand-alone application program data and/ Or other computerized equipments of networking medium or the data on medium.The example of adoptable communication media is included but is not limited to Radio data network, cable network, and/or various networking mediums.
Computer described herein and computer system can include the computer-readable medium being associated in operation, example Such as store for obtaining, processing, store and/or passing on the memory of the software application of data.It is appreciated that such deposit It is internal, outside, long-range for the computer or computer system that are associated in its operation that reservoir can be Or it is local.Memory can also include for store software or other instruction any device, it is above-mentioned other instruction including but It is not limited to hard disk, CD, floppy disk, DVD, laser disc, memory stick, ROM (read-only storage), RAM (random access memory), PROM (programmable read only memory), EEPROM (the erasable PROM of extension), and/or other similar computer-readable mediums.
Generally, computer-readable medium can include it is any can be used as the medium of the carrier of electronic signal, above-mentioned electronics Signal represents embodiments in accordance with the present invention and the data that store, pass on or process.Where applicable, methods described herein step Suddenly the instruction on a computer-readable medium for storage can be practiced or carried out.
Although the application illustrates and describes specific embodiment, it is to be understood that without departing from claimed theme Spirit and scope in the case of, various other changes and modifications can be carried out.In addition, although This application describes claimed Theme various aspects, but the use that need not combine in terms of these.Therefore claims cover to be located at and require to protect Change and modifications as whole in the range of the theme of shield.

Claims (20)

1. a kind of system, including：
Multiple power quality equipment, for continuous measurement and buffer data below, the data include RMS-voltage, RMS current, Active power, reactive power and apparent energy, power factor, displacement power factor, phase angle, the amplitude of harmonic wave and phase place, Harmonic wave, IFL, Pst and Plt flickering, symmetrical components, phasor, polymerization triggering at least one of waveform and transition；And for regular Send buffered data；And
One or more servers based on cloud, are couple to the plurality of power quality equipment in communication, one or more Multiple servers based on cloud be operable to for：
Receive the data for being buffered sent by the plurality of power quality equipment；
Decompress buffered data and store it in database or file system；
Show in Web page use stored data and generate strip-chart, day curve map, histogram, waveform, vector It is one or more in figure, harmonic wave block diagram and 3D harmonic wave figures；And
Make event alarms that the first power quality equipment from the plurality of power quality equipment receives with from the plurality of electricity The data that the second power quality equipment in power quality equipment is received are associated.
2. system according to claim 1, wherein, one or more servers based on cloud can also operate use In：Data to being stored are extracted.
3. system according to claim 1, wherein, one or more servers based on cloud can also operate use In：In response to alarm being received from the power quality equipment, send at least one Email or SMS message to user.
4. system according to claim 1, wherein, one or more servers based on cloud can also operate use In：In response to trigger condition being received from the power quality equipment, send at least one Email to user or SMS disappears Breath.
5. system according to claim 1, wherein, one or more servers based on cloud can also operate use In sending following Email to user, the strip-chart that the Email includes using stored data and generates, In the day curve map, the histogram, the waveform, the vectogram, the harmonic wave block diagram and the 3D harmonic waves figure It is shown one or more.
6. system according to claim 1, wherein, one or more servers based on cloud can also operate use In：Show in the Web page for configuring the interface of the power quality equipment.
7. system according to claim 6, wherein, one or more servers based on cloud can also operate use In：In response to receiving for configuring the user input of the interface of the power quality equipment, to the power quality equipment Send the device configuration of change.
8. system according to claim 1, wherein, the power quality equipment sent buffered number every about five minutes According to.
9. system according to claim 1, wherein, the power quality equipment is about per minute to send buffered number According to.
10. system according to claim 1, wherein, the power quality equipment is about per second to send buffered data.
11. one kind are included by computer implemented method, methods described：
At least one of was received from the first power quality equipment every about five minutes：RMS-voltage, RMS current, power factor, It is displacement power factor, phase angle, the amplitude of harmonic wave and phase place, m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, symmetrical components, phasor, poly- Close triggering waveform and transition；
The show map in Web page, wherein, the map is included to the first power quality equipment and the second power quality The mark indicated by the position of equipment；
Show in the Web page at least one chart or figure, at least one chart or figure show it is following in It is one or more：The RMS-voltage, the RMS current, the power factor, the displacement power factor, the phase place Angle, the amplitude of the harmonic wave and phase place, the m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, the symmetrical components, the phase Amount, the polymerization triggering waveform and the transition；
Trigger condition alarm is received from the first power quality equipment；And
At least one dependent event is recognized based on the data received from the second power quality equipment.
12. is according to claim 11 by computer implemented method, and methods described also includes：
Show that at least one chart or figure, at least one chart or figure are shown from described in the Web page First power quality equipment receive it is following in it is one or more：The RMS-voltage, the RMS current, the power because Several, described displacement power factors, the phase angle, the amplitude of the harmonic wave and phase place, the m-Acetyl chlorophosphonazo, described IFL, Pst and Plt flickerings, the symmetrical components, the phasor, polymerization triggering waveform and the transition；And at least one chart Or figure shows from the second power quality equipment at least a portion data for receiving.
13. is according to claim 11 by computer implemented method, and methods described also includes：
In response to trigger condition alarm being received from the first power quality equipment, send Email to user or SMS disappears Breath.
14. is according to claim 11 by computer implemented method, wherein, at least one chart or figure include Strip-chart, day curve map, histogram, waveform, vectogram, harmonic wave block diagram or 3D harmonic wave figures.
15. is according to claim 11 by computer implemented method, and methods described is also included to from first electric power Quality equipment receive it is following at least one described extracted：The RMS-voltage, the RMS current, the power because Several, described displacement power factors, the phase angle, the amplitude of the harmonic wave and phase place, the m-Acetyl chlorophosphonazo, described IFL, Pst and Plt flickerings, the symmetrical components, the phasor, polymerization triggering waveform and the transition.
16. is according to claim 11 by computer implemented method, methods described also include to an interim from The first power quality equipment receive it is following at least one described be averaging：The RMS-voltage, the RMS current, It is the power factor, the displacement power factor, the phase angle, the amplitude of the harmonic wave and phase place, the m-Acetyl chlorophosphonazo, described IFL, Pst and Plt flickering, the symmetrical components, the phasor, polymerization triggering waveform and the transition.
17. is according to claim 16 by computer implemented method, wherein, the interval is received from user.
18. is according to claim 16 by computer implemented method, wherein, at least one chart or figure are illustrated The interim from the first power quality equipment receive it is following in described at least one it is average：It is described RMS-voltage, the RMS current, the power factor, the displacement power factor, the phase angle, the amplitude of the harmonic wave and Phase place, the m-Acetyl chlorophosphonazo, IFL, Pst and Plt flickering, the symmetrical components, the phasor, the polymerization triggering waveform and The transition.
A kind of 19. systems, including
Multiple power quality equipment, for continuously measuring and buffering power quality data and periodically send buffered electric power Qualitative data；
One or more servers based on cloud, are couple to the plurality of power quality equipment and are operable to use in communication In：
Receive the data for being buffered sent by the power quality equipment；
Decompress buffered data and store it in database；
Show in Web page use stored data and generate strip-chart, day curve map, histogram, waveform, vector It is one or more in figure, harmonic wave block diagram and 3D harmonic wave figures；And
One or more computing devices, are couple to the plurality of power quality equipment and one or more bases in communication In the server of cloud, and it is operable to for receiving at least one user input in the Web page.
20. systems according to right 19, it is one or more based on the server of cloud be operable to for：In response to Receive to the strip-chart, the day curve map, the histogram, the waveform, the vectogram, the harmonic wave block diagram With the one or request of more in the 3D harmonic waves figure, based at least one user in the Web page It is input into show the strip-chart, the day curve map, the histogram, the waveform, the vectogram, the harmonic wave column Figure and the 3D harmonic waves figure in it is one or more.
CN201580023579.6A 2014-04-14 2015-04-14 Method and apparatus for cloud-based power quality monitor Pending CN106537161A (en)

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US14/684,795 2015-04-13
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