CN108226672A - Taiwan area recognition methods, system and device in power distribution network - Google Patents
Taiwan area recognition methods, system and device in power distribution network Download PDFInfo
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- CN108226672A CN108226672A CN201711343618.8A CN201711343618A CN108226672A CN 108226672 A CN108226672 A CN 108226672A CN 201711343618 A CN201711343618 A CN 201711343618A CN 108226672 A CN108226672 A CN 108226672A
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- 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
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- 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
Abstract
The invention discloses taiwan area recognition methods, system and the devices in a kind of power distribution network.Wherein, this method includes：Multiple grid voltage waveform signals of taiwan area transformer are acquired, wherein, grid voltage waveform signal includes at least：Voltage rising edge signal and voltage failing edge signal；Multiple grid voltage waveform signals are fitted, obtain voltage zero-cross simulation curve；According to voltage zero-cross simulation curve, zero passage phase characteristic is determined；Zero passage phase characteristic is analyzed, to identify distribution net platform region corresponding with each grid voltage waveform signal.The present invention is solved in the relevant technologies in taiwan area in identifying power distribution network, there are grid voltage waveform signal identification error is larger, the technical issues of causing the grid voltage waveform signal phase difference precision identified relatively low.
Description
Technical field
The present invention relates to technical field of electric power detection, in particular in a kind of power distribution network taiwan area recognition methods, be
System and device.
Background technology
In the relevant technologies, when carrying out low-voltage power piezoelectric transformer, resident's network and taiwan area identification, there are a variety of
Problem, for example, for the artificial taiwan area table archives of history, may there are hand-kept mistakes or taiwan area to divide, family becomes to change
Make, the typing of taiwan area archives not in time the problems such as, cause electricity consumption acquisition system archives error rate big compared with high and line loss calculation deviation, shadow
It rings carrier wave PLC schemes meter reading and takes control success rate.
The relevant technologies are when progress taiwan area grid voltage waveform signal phase difference judges, under electric system normal running (operation) conditions
Frequency departure limit value is 50 ± 0.2Hz, and deviation allowed band is 50 ± 0.5Hz when capacity is smaller, i.e. at least mistake of 200us
Zero shake；Even if the taiwan area transformer of practical high pressure altogether, low-pressure side zero passage difference taiwan area a minimum of tens is delicate or even hundreds of is micro-
The mistake zero-deviation of second.By " crossing zero phase difference ", difference taiwan area belongs to, and relevant programme is：Alternating current 220V passes through photoelectric coupling
Circuit, zero crossing are identified by detection comparator in weak-feedback side of transmission line (5V) and judge to realize.Since the technology is applied in intelligent electric meter
In communication unit, due to the constraint of hardware space and cost, realize that circuit is simpler, judged by single-point comparator or GPIO.
The drawback is that：
(1) each user node of taiwan area, due to local forceful electric power disturbing factor, it is not completely the same that the whole network node crosses null character,
It causes to cross zero-deviation in Home Network, perhaps can be more than adjacent taiwan area zero passage feature.
(2) the CTR discretenesses of photoelectric coupling conducting are limited by, each communication unit nodes hardware of batch are caused to exist inclined
Difference has the possibility of misrecognition.
In conclusion due to single-point identification, the either inconsistent difference of taiwan area feature or hardware causes to misidentify, essence
Accuracy is inadequate.
For, in taiwan area in identifying power distribution network, there are grid voltage waveform signal identification errors in above-mentioned the relevant technologies
Larger, the technical issues of causing the grid voltage waveform signal phase difference precision identified relatively low, not yet proposes effective at present
Solution.
Invention content
An embodiment of the present invention provides taiwan area recognition methods, system and the device in a kind of power distribution network, at least to solve phase
In the technology of pass in taiwan area in identifying power distribution network, there are grid voltage waveform signal identification error is larger, lead to the electricity identified
The technical issues of net voltage waveform signal phase difference precision is relatively low.
One side according to embodiments of the present invention provides the taiwan area recognition methods in a kind of power distribution network, including：Acquisition
Multiple grid voltage waveform signals of taiwan area transformer, wherein, the grid voltage waveform signal includes at least：Voltage rising edge
Signal and voltage failing edge signal；The grid voltage waveform signal is fitted, obtains voltage zero-cross simulation curve；According to
The voltage zero-cross simulation curve, determines zero passage phase characteristic；The zero passage phase characteristic is analyzed, with identify with often
The corresponding distribution net platform region of a grid voltage waveform signal.
Further, according to the zero passage simulation curve, determine that zero passage phase characteristic includes：It is simulated according to the zero passage bent
Line determines zero passage phase deviation curve；According to the zero passage phase deviation curve, corresponding voltage zero-cross phase characteristic is determined.
Further, the grid voltage waveform signal is fitted, obtains voltage zero-cross simulation curve and include：By institute
It states voltage rising edge signal and carries out analog-to-digital conversion, obtain voltage rising edge curve；The voltage failing edge signal is subjected to modulus
Conversion, obtains voltage failing edge curve；According to the voltage rising edge curve and the voltage failing edge curve, the electricity is obtained
Press through zero simulation curve.
Further, the method further includes：After multiple grid voltage waveform signals of acquisition taiwan area transformer, profit
The grid voltage waveform signal is received with default bandwidth carrier.
Further, according to the voltage zero-cross simulation curve, determine that zero passage phase characteristic includes：Utilize the default width
Band carrier synchronization the whole network clock, with when determining the zero passage phase characteristic, retention time information is consistent.
Further, multiple grid voltage waveform signals of acquisition taiwan area transformer include：Acquire each taiwan area transformer
The voltage rising edge signal of linear zone and voltage failing edge signal；Believed according to the voltage rising edge signal and voltage failing edge
Number, obtain the grid voltage waveform signal.
Another aspect according to embodiments of the present invention additionally provides the taiwan area identifying system in a kind of power distribution network, including：It is wide
Band carrier chip, for the multiple grid voltage waveform signals for acquiring taiwan area transformer to be fitted, obtains voltage zero-cross mould
Pseudocurve, to identify power distribution network corresponding with each grid voltage waveform signal by the voltage zero-cross simulation curve
Taiwan area, wherein, the grid voltage waveform signal includes at least：Voltage rising edge signal and voltage failing edge signal；Clock is same
Module is walked, is connect with the bandwidth carrier chip, the bandwidth carrier for being sent out using the bandwidth carrier chip synchronizes the whole network
Clock, with when determining zero passage phase characteristic, retention time information is consistent, wherein, the zero passage phase characteristic is according to
Voltage zero-cross simulation curve obtains.
Further, the bandwidth carrier chip includes：Sampling module, for acquiring multiple power grids of taiwan area transformer electricity
Corrugating signal；Analog-digital converter for carrying out analog-to-digital conversion to the grid voltage waveform signal, obtains the zero passage simulation
Curve.
Another aspect according to embodiments of the present invention additionally provides the taiwan area identification device in a kind of power distribution network, including：It adopts
Collect unit, for acquiring multiple grid voltage waveform signals of taiwan area transformer, wherein, the grid voltage waveform signal is at least
Including：Voltage rising edge signal and voltage failing edge signal；Fitting unit, for intending the grid voltage waveform signal
It closes, obtains voltage zero-cross simulation curve；Determination unit, for according to the voltage zero-cross simulation curve, determining zero phase spy
Property；Recognition unit, for analyzing the zero passage phase characteristic, to identify and each grid voltage waveform signal
Corresponding distribution net platform region.
Further, the determination unit includes：First determining module, for according to the voltage zero-cross simulation curve,
Determine zero passage phase deviation curve；Second determining module, for according to the zero passage phase deviation curve, determining corresponding voltage
Zero passage phase characteristic is used for according to the zero passage simulation curve.
Further, the fitting unit includes：First modular converter, for the voltage rising edge signal to be carried out mould
Number conversion, obtains voltage rising edge curve；Second modular converter, for the voltage failing edge signal to be carried out analog-to-digital conversion,
Obtain voltage failing edge curve；Third determining module, for bent according to the voltage rising edge curve and the voltage failing edge
Line obtains the voltage zero-cross simulation curve.
Further, described device further includes：Receiving unit, in the grid voltage waveform letter of acquisition taiwan area transformer
After number, the grid voltage waveform signal is received using default bandwidth carrier.
Further, the determination unit further includes：Synchronization module, for synchronizing the whole network using the default bandwidth carrier
Clock, with when determining the zero passage phase characteristic, retention time information is consistent.
Further, the collecting unit includes：Acquisition module, for acquiring the electricity of the linear zone of each taiwan area transformer
Press rising edge signal and voltage failing edge signal；4th determining module, for according under the voltage rising edge signal and voltage
Drop obtains the grid voltage waveform signal along signal.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and the storage medium includes storage
Program, wherein, equipment where the storage medium is controlled when described program is run performs matching described in above-mentioned any one
Taiwan area recognition methods in power grid.
Another aspect according to embodiments of the present invention additionally provides a kind of processor, and the processor is used to run program,
Wherein, the taiwan area recognition methods in the power distribution network described in above-mentioned any one is performed when described program is run.
In embodiments of the present invention, multiple grid voltage waveform signals of taiwan area transformer can be first acquired, and to power grid
Voltage waveform signal is fitted, and obtains zero passage simulation curve, according to voltage zero-cross simulation curve, determines zero passage phase characteristic；
Zero passage phase characteristic is analyzed, to identify distribution net platform region corresponding with each grid voltage waveform signal.In the reality
It applies in example, the voltage rising edge signal of collected taiwan area transformer and voltage failing edge signal can be utilized, restore distribution
Null character is crossed in net, identifies that taiwan area belongs to Integrated comparative, passes through voltage rising edge signal and failing edge signal, automatic identification
With compare, will not be interfered by forceful electric power be influenced, and improve the precision of detection, and then be solved in the relevant technologies in identification power distribution network
During middle taiwan area, there are grid voltage waveform signal identification error is larger, lead to the grid voltage waveform signal phase difference identified
The technical issues of precision is relatively low.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the taiwan area recognition methods in power distribution network according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the taiwan area identifying system in a kind of power distribution network according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the taiwan area identification device in a kind of power distribution network according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not listing clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Taiwan area in electric system, refers to supply district or the region of transformer.
ADC, Analog to Digital converter, analog-digital converter, refer to one by analog-signal transitions for number
The circuit of word signal.
CMP, Comparator, comparator compare two-way analog voltage.
GPIO, General Purpose Input Output, universal input/output.
According to embodiments of the present invention, a kind of embodiment of the method for the taiwan area identification in power distribution network is provided, needs what is illustrated
It is that step shown in the flowchart of the accompanying drawings can perform in the computer system of such as a group of computer-executable instructions,
Also, although logical order is shown in flow charts, in some cases, it can be performed with the sequence being different from herein
Shown or described step.
Following embodiment can be applied in the taiwan area identification of various power distribution networks, and to distinguish taiwan area ownership, the present invention is real
The range in the region to be powered for each transformer can be referred to by applying the taiwan area in example.The frequency departure limit value of current detection
For 50 ± 0.2Hz, deviation allowed band is 50 ± 0.5Hz when capacity is smaller, i.e. at least zero-crossing jitter of 200us；It is practical
Even if the taiwan area transformer of high pressure altogether, a minimum of tens delicate or even hundreds of microseconds mistake zero bias of low-pressure side zero passage difference taiwan area
Difference.In the relevant technologies when detecting grid voltage waveform signal, alternating current 220V is by photoelectric coupling circuit, and zero crossing is in light current
Side (such as 5V) is identified by detection comparator and judges that taiwan area belongs to, and since power grid zero passage feature is basically identical, can be utilized
Zero passage phase deviation becomes relationship to distinguish the family of different taiwan areas.But in a manner that detection comparator identifies taiwan area, usually
The identification of zero-deviation is crossed, but the smaller scheme of zero passage phase deviation can not be realized effectively for low-pressure side zero passage taiwan area is larger
Identification (such as causes greatly to identify that zero passage phase deviation error is big there are forceful electric power interference, photoelectric coupling circuit hardware deviation).And this Shen
Grid voltage waveform signal please be acquired by bandwidth carrier chip, determined zero phase difference curve in following every embodiment,
By crossing zero phase difference curve, the difference of this taiwan area user side voltage and adjacent taiwan area transformer network voltage is compared, obtains electricity
Phase characteristic is pressed, so as to identify that taiwan area belongs to.Wherein, it is also synchronized in the embodiment of the present invention using bandwidth carrier clock, with height
Precision, simultaneity compared zero phase feature.By grid voltage waveform signal, voltage zero-cross simulation curve is fitted, is passed through
The overvoltage zero passage simulation curve, determines zero passage phase characteristic, zero passage phase characteristic is analyzed, and is put into effect with accurately distinguishing
Area belongs to.
With reference to preferred implementation steps, the present invention will be described, and Fig. 1 is power distribution network according to embodiments of the present invention
In taiwan area recognition methods flow chart, as shown in Figure 1, this method comprises the following steps：
Step S102 acquires multiple grid voltage waveform signals of taiwan area transformer, wherein, grid voltage waveform signal is extremely
Include less：Voltage rising edge signal and voltage failing edge signal.
Wherein, taiwan area transformer can be each taiwan area transformer in power distribution network to be measured, and transformer is serviced
Ranging from taiwan area range.After grid voltage waveform signal is acquired, whole voltage zero-cross simulation curve is determined.
Grid voltage waveform is fitted by ADC, obtains voltage zero-cross simulation curve, it can be to taiwan area transformer by curve
Side (concentrator) compares the difference of taiwan area user side voltage and adjacent taiwan area transformer network voltage, with according to obtained difference
Feature determines corresponding taiwan area ownership.
For above-mentioned steps S102, after multiple grid voltage waveform signals of acquisition taiwan area transformer, using default
Bandwidth carrier receives grid voltage waveform signal, you can with by network broadband carrier wave receiving voltage waveform signal, so as to basis
Grid voltage waveform obtains voltage zero-cross simulation curve.
Optionally, in embodiments of the present invention, broadband high-speed synchronised clock principle can be utilized, high-precision simultaneity compares
Zero phase is crossed, to determine zero passage phase characteristic, by analyzing zero passage phase characteristic, determines that taiwan area belongs to.Wherein,
In embodiments of the present invention, waveform signal collector can be set to acquire grid voltage waveform signal, wherein, waveform is believed
The concrete type and acquisition precision of number collector are not specifically limited, but can be set when setting waveform signal collector
Acquire the higher equipment of signal accuracy.
It should be noted that the grid voltage waveform signal of acquisition taiwan area transformer includes：Acquire the line of taiwan area transformer
The property voltage rising edge signal in area and voltage failing edge signal；According to voltage rising edge signal and voltage failing edge signal, obtain
Grid voltage waveform signal, and pass through grid voltage waveform signal and obtain zero passage simulation curve.
Step S104 is fitted multiple grid voltage waveform signals, obtains voltage zero-cross simulation curve.
Step S106 according to voltage zero-cross simulation curve, determines zero passage phase characteristic.
Wherein, grid voltage waveform signal is fitted, obtains voltage zero-cross simulation curve and include：By voltage rising edge
Signal carries out analog-to-digital conversion, obtains voltage rising edge curve；Voltage failing edge signal is subjected to analog-to-digital conversion, obtains voltage decline
Along curve；According to voltage rising edge curve and voltage failing edge curve, voltage zero-cross simulation curve is obtained.It can be according to power grid
Voltage waveform signal is fitted it operation, obtains voltage zero-cross simulation curve.Wherein, it is right in power grid zero passage simulation curve
Having time and waveform signal respective value are answered, simulation is obtained and moves towards curve.
Wherein, when being fitted to grid voltage waveform signal, corresponding analog-digital converter may be used and carry out modulus
It converts, the analog-digital converter in the embodiment of the present invention can be arranged in bandwidth carrier processing equipment, for analog-digital converter
Concrete type and the precision of acquisition do not do specific setting, for example, 16 precision of setting, the analog-digital converter of 1Mhz conversion rates,
Grid voltage waveform signal can be thus collected by bandwidth carrier processing equipment (including rising edge signal and failing edge to believe
Number), be not comparator CMP or GPIO single judgement.
In addition, above-mentioned steps S106 can include：According to zero passage simulation curve, zero passage phase deviation curve is determined；According to
Zero passage phase deviation curve determines corresponding voltage zero-cross phase characteristic.
Step S108 analyzes zero passage phase characteristic, corresponding with each grid voltage waveform signal to identify
Distribution net platform region.
By above-described embodiment, multiple grid voltage waveform signals of taiwan area transformer can be first acquired, and to power grid electricity
Corrugating signal is fitted, and obtains zero passage simulation curve, according to voltage zero-cross simulation curve, determines zero passage phase characteristic；It is right
Zero passage phase characteristic is analyzed, to identify distribution net platform region corresponding with each grid voltage waveform signal.In the implementation
In example, the voltage rising edge signal of collected taiwan area transformer and voltage failing edge signal can be utilized, restores power distribution network
It is middle to cross null character, identify that taiwan area belongs to Integrated comparative, by voltage rising edge signal and failing edge signal, automatic identification and
Compare, will not be interfered by forceful electric power is influenced, and improves the precision of detection, and then is solved in the relevant technologies in power distribution network is identified
During taiwan area, there are grid voltage waveform signal identification error is larger, cause the grid voltage waveform signal phase difference identified smart
The technical issues of accuracy is relatively low.
Fig. 2 is the schematic diagram of the taiwan area identifying system in a kind of power distribution network according to embodiments of the present invention, as shown in Fig. 2,
The system can include：Bandwidth carrier chip 21 carries out for that will acquire multiple grid voltage waveform signals of taiwan area transformer
Fitting, obtains voltage zero-cross simulation curve, to be identified and each grid voltage waveform signal by voltage zero-cross simulation curve
Corresponding distribution net platform region, wherein, grid voltage waveform signal includes at least：Voltage rising edge signal and voltage failing edge letter
Number；Clock synchronization module 23 is connect with bandwidth carrier chip, and the bandwidth carrier for being sent out using bandwidth carrier chip is synchronized entirely
Network clock, with when determining zero passage phase characteristic, retention time information is consistent, wherein, zero passage phase characteristic is according to voltage mistake
Zero simulation curve obtains.
Wherein, bandwidth carrier chip includes：Sampling module, for acquiring multiple grid voltage waveforms of taiwan area transformer letter
Number；Analog-digital converter for carrying out analog-to-digital conversion to grid voltage waveform signal, obtains zero passage simulation curve.
Under the premise of communication unit volume, cost strong constraint, 16 precision, 1Mhz conversions are carried by bandwidth carrier chip
The analog-digital converter of rate, and the single judgement of non-comparator (CMP) or GPIO.
Bandwidth carrier the whole network Clock Synchronization Technology feature.
It is linear to sample by the rising and falling edges linear zone AD quick samplings of zero crossing, power grid zero passage omnicharacteristic is restored,
Integrated comparative identification judges；Overall plan eliminates the strong dependence to photoelectrical coupler on state characteristic, solves batch device not
Deviation is identified caused by consistent, substantially increases accuracy of identification problem.Pcb board terminal circuit is simple, and peripheral components are few, passes through core
Piece high performance nature improves the precision of overall plan identification.Bandwidth carrier the whole network clock synchronizes, and can accurately start identification and note
Record as a result, and this scheme it is at low cost, identification is accurate, and accuracy rate is more than 99%.
In the above-described embodiments, multiple grid voltage waveforms of taiwan area transformer can be acquired by bandwidth carrier chip 21
Signal obtains zero passage simulation curve, then can be identified according to zero passage simulation curve and each grid voltage waveform signal pair
The distribution net platform region answered, wherein, can also the whole network clock be synchronized using bandwidth carrier by clock synchronization module 23, to determine
During zero passage phase characteristic, retention time information is consistent, wherein, zero passage phase characteristic is obtained according to voltage zero-cross simulation curve.
In this embodiment it is possible to collect the voltage rising edge signal of taiwan area transformer and voltage decline using bandwidth carrier chip 21
It along signal, restores and null character is crossed in power distribution network, identify that taiwan area belongs to Integrated comparative, pass through rising edge signal and failing edge
Signal, automatic identification and compares, and will not be interfered by forceful electric power be influenced, and improves the precision of detection, and synchronize using clock
Module 23 synchronizes collected signal clock, reduces since signal caused by hardware exports the time difference, can reduce electricity accordingly
Net voltage waveform signal deviation precision interference, can more accurately determine taiwan area belong to, and then solve the relevant technologies in
When identifying taiwan area in power distribution network, there are grid voltage waveform signal identification error is larger, lead to the grid voltage waveform identified
The technical issues of signal phase difference precision is relatively low.
Fig. 3 is the schematic diagram of the taiwan area identification device in a kind of power distribution network according to embodiments of the present invention, as shown in figure 3,
The device can include：Collecting unit 31, for acquiring multiple grid voltage waveform signals of taiwan area transformer, wherein, power grid
Voltage waveform signal includes at least：Voltage rising edge signal and voltage failing edge signal；Fitting unit 33, for network voltage
Waveform signal is fitted, and obtains voltage zero-cross simulation curve；Determination unit 35, for according to voltage zero-cross simulation curve, really
Determine zero passage phase characteristic；Recognition unit 37, for analyzing zero passage phase characteristic, to identify and each network voltage wave
The corresponding distribution net platform region of shape signal.
By above-described embodiment, multiple grid voltage waveforms letter of taiwan area transformer can be first acquired by collecting unit 31
Number, and pass through fitting unit 33 and grid voltage waveform signal is fitted, voltage zero-cross simulation curve is obtained, then can be led to
It crosses determination unit 35 and zero passage phase characteristic is determined according to voltage zero-cross simulation curve, can finally utilize recognition unit 37 to mistake
Zero phase characteristic is analyzed, to identify distribution net platform region corresponding with each grid voltage waveform signal.In the embodiment
In, the rising edge signal of collected taiwan area transformer and failing edge signal can be utilized, restores and null character is crossed in power distribution network,
It identifies that taiwan area belongs to Integrated comparative, by rising edge signal and failing edge signal, automatic identification and compares, it will not be by strong
The influence of electrical interference improves the precision of detection, and then solves in the relevant technologies in taiwan area in identifying power distribution network, and there are power grids
Voltage waveform signal identification error is larger, and the technology for causing the grid voltage waveform identified signal phase difference precision relatively low is asked
Topic.
Wherein, above-mentioned determination unit 35 can include：First determining module, for according to voltage zero-cross simulation curve,
Determine zero passage phase deviation curve；Second determining module, for according to zero passage phase deviation curve, determining corresponding voltage zero-cross
Phase characteristic is used for according to zero passage simulation curve.
Optionally, fitting unit 33 includes：First modular converter, for voltage rising edge signal to be carried out analog-to-digital conversion,
Obtain voltage rising edge curve；Second modular converter for voltage failing edge signal to be carried out analog-to-digital conversion, obtains voltage decline
Along curve；Third determining module, for according to voltage rising edge curve and voltage failing edge curve, it is bent to obtain voltage zero-cross simulation
Line.
In addition, above device further includes：Receiving unit, for acquisition taiwan area transformer grid voltage waveform signal it
Afterwards, grid voltage waveform signal is received using default bandwidth carrier.
Wherein it is determined that unit 35 further includes：Synchronization module, for synchronizing the whole network clock using default bandwidth carrier, with
When determining zero passage phase characteristic, retention time information is consistent.
Optionally, collecting unit 31 includes：Acquisition module, for acquiring the voltage of the linear zone of each taiwan area transformer
It rises along signal and voltage failing edge signal；4th determining module, for according to voltage rising edge signal and voltage failing edge signal,
Obtain grid voltage waveform signal.
Taiwan area identification device in above-mentioned power distribution network can also include processor and memory, above-mentioned collecting unit 31,
Fitting unit 33, determination unit 35, recognition unit 37 etc. in memory, are deposited as program unit storage by processor execution
Above procedure unit in memory is stored up to realize corresponding function.
Comprising kernel in processor, gone in memory to transfer corresponding program unit by kernel.Kernel can set one
Or more, by adjusting kernel parameter come identify the taiwan area in power distribution network belong to.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM), memory includes at least one deposit
Store up chip.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes the journey of storage
Sequence, wherein, equipment where controlling storage medium when program is run performs the taiwan area identification in the power distribution network of above-mentioned any one
Method.
Another aspect according to embodiments of the present invention additionally provides a kind of processor, and processor is used to run program,
In, program performs the taiwan area recognition methods in the power distribution network of above-mentioned any one when running.
An embodiment of the present invention provides a kind of equipment, equipment includes processor, memory and storage on a memory and can
The program run on a processor, processor realize following steps when performing program：Acquire multiple power grids electricity of taiwan area transformer
Corrugating signal, wherein, grid voltage waveform signal includes at least：Voltage rising edge signal and voltage failing edge signal；To electricity
Net voltage waveform signal is fitted, and obtains voltage zero-cross simulation curve；According to voltage zero-cross simulation curve, zero phase was determined
Characteristic；Zero passage phase characteristic is analyzed, to identify distribution net platform region corresponding with each grid voltage waveform signal.
Optionally, above-mentioned processor can also determine zero passage phase deviation when performing program according to zero passage simulation curve
Curve；According to zero passage phase deviation curve, corresponding voltage zero-cross phase characteristic is determined.
Optionally, voltage rising edge signal can also be carried out analog-to-digital conversion, obtained by above-mentioned processor when performing program
Voltage rising edge curve；Voltage failing edge signal is subjected to analog-to-digital conversion, obtains voltage failing edge curve；According to voltage rising edge
Curve and voltage failing edge curve, obtain voltage zero-cross simulation curve.
Optionally, above-mentioned processor, can also be in the grid voltage waveform letter of acquisition taiwan area transformer when performing program
After number, grid voltage waveform signal is received using default bandwidth carrier.
Optionally, above-mentioned processor is when performing program, and default bandwidth carrier can also be utilized to synchronize the whole network clock, with
When determining zero passage phase characteristic, retention time information is consistent.
Optionally, above-mentioned processor can also acquire the voltage of the linear zone of each taiwan area transformer when performing program
Rising edge signal and voltage failing edge signal；According to voltage rising edge signal and voltage failing edge signal, network voltage wave is obtained
Shape signal.
Present invention also provides a kind of computer program products, first when being performed on data processing equipment, being adapted for carrying out
The program of beginningization there are as below methods step：Multiple grid voltage waveform signals of taiwan area transformer are acquired, wherein, network voltage wave
Shape signal includes at least：Voltage rising edge signal and voltage failing edge signal；Grid voltage waveform signal is fitted, is obtained
Voltage zero-cross simulation curve；According to voltage zero-cross simulation curve, zero passage phase characteristic is determined；Zero passage phase characteristic is divided
Analysis, to identify distribution net platform region corresponding with each grid voltage waveform signal.
Optionally, above-mentioned data processing equipment can also determine zero passage phase when performing program according to zero passage simulation curve
Position aberration curve；According to zero passage phase deviation curve, corresponding voltage zero-cross phase characteristic is determined.
Optionally, voltage rising edge signal can also be carried out modulus and turned by above-mentioned data processing equipment when performing program
It changes, obtains voltage rising edge curve；Voltage failing edge signal is subjected to analog-to-digital conversion, obtains voltage failing edge curve；According to electricity
Rising edge curve and voltage failing edge curve are pressed, obtains voltage zero-cross simulation curve.
Optionally, above-mentioned data processing equipment, can also be in the network voltage of acquisition taiwan area transformer when performing program
After waveform signal, grid voltage waveform signal is received using default bandwidth carrier.
Optionally, above-mentioned data processing equipment is when performing program, when can also synchronize the whole network using default bandwidth carrier
Clock, with when determining zero passage phase characteristic, retention time information is consistent.
Optionally, above-mentioned data processing equipment can also acquire the electricity of the linear zone of taiwan area transformer when performing program
Press rising edge signal and voltage failing edge signal；According to voltage rising edge signal and voltage failing edge signal, network voltage is obtained
Waveform signal.
Optionally, above-mentioned data processing equipment can also acquire the rising edge letter of zero crossing linear zone when performing program
Number and failing edge signal；According to the rising edge signal of zero crossing linear zone and failing edge signal, zero passage simulation curve is obtained.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode in actual implementation, such as unit or component can combine or can
To be integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of unit or module,
Can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to unit
On.Some or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or
Part steps.And aforementioned storage medium includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of taiwan area recognition methods in power distribution network, which is characterized in that including：
Multiple grid voltage waveform signals of taiwan area transformer are acquired, wherein, the grid voltage waveform signal includes at least：Electricity
Press rising edge signal and voltage failing edge signal；
The multiple grid voltage waveform signal is fitted, obtains voltage zero-cross simulation curve；
According to the voltage zero-cross simulation curve, zero passage phase characteristic is determined；
The zero passage phase characteristic is analyzed, to identify power distribution network corresponding with each grid voltage waveform signal
Taiwan area.
2. according to the method described in claim 1, it is characterized in that, according to the voltage zero-cross simulation curve, zero passage phase is determined
Position characteristic includes：
According to the voltage zero-cross simulation curve, zero passage phase deviation curve is determined；
According to the zero passage phase deviation curve, corresponding voltage zero-cross phase characteristic is determined.
3. according to the method described in claim 1, it is characterized in that, be fitted to the grid voltage waveform signal, obtain
Voltage zero-cross simulation curve includes：
The voltage rising edge signal is subjected to analog-to-digital conversion, obtains voltage rising edge curve；
The voltage failing edge signal is subjected to analog-to-digital conversion, obtains voltage failing edge curve；
According to the voltage rising edge curve and the voltage failing edge curve, the voltage zero-cross simulation curve is obtained.
4. according to the method described in claim 1, it is characterized in that, the method further includes：In the more of acquisition taiwan area transformer
After a grid voltage waveform signal, the grid voltage waveform signal is received using default bandwidth carrier.
5. according to the method described in claim 4, it is characterized in that, according to the voltage zero-cross simulation curve, zero passage phase is determined
Position characteristic includes：The whole network clock is synchronized using the default bandwidth carrier, with when determining the zero passage phase characteristic, during holding
Between information it is consistent.
6. according to the method described in claim 1, it is characterized in that, multiple grid voltage waveform signals of acquisition taiwan area transformer
Including：
Acquire the voltage rising edge signal of the linear zone of each taiwan area transformer and voltage failing edge signal；
According to the voltage rising edge signal and voltage failing edge signal, the grid voltage waveform signal is obtained.
7. a kind of taiwan area identifying system in power distribution network, which is characterized in that including：
Bandwidth carrier chip for the multiple grid voltage waveform signals for acquiring taiwan area transformer to be fitted, obtains voltage
Zero passage simulation curve, it is corresponding with each grid voltage waveform signal to be identified by the voltage zero-cross simulation curve
Distribution net platform region, wherein, the grid voltage waveform signal includes at least：Voltage rising edge signal and voltage failing edge signal；
Clock synchronization module is connect with the bandwidth carrier chip, and the broadband for being sent out using the bandwidth carrier chip is carried
Wave synchronizes the whole network clock, with when determining zero passage phase characteristic, retention time information is consistent, wherein, the zero passage phase characteristic
It is to be obtained according to the voltage zero-cross simulation curve.
8. system according to claim 7, which is characterized in that the bandwidth carrier chip includes：
Sampling module, for acquiring the grid voltage waveform signal of taiwan area transformer；
Analog-digital converter for carrying out analog-to-digital conversion to the grid voltage waveform signal, obtains the zero passage simulation curve.
9. a kind of taiwan area identification device in power distribution network, which is characterized in that including：
Collecting unit, for acquiring multiple grid voltage waveform signals of taiwan area transformer, wherein, the grid voltage waveform letter
It number includes at least：Voltage rising edge signal and voltage failing edge signal；
Fitting unit for being fitted to the grid voltage waveform signal, obtains voltage zero-cross simulation curve；
Determination unit, for according to the voltage zero-cross simulation curve, determining zero passage phase characteristic；
Recognition unit for analyzing the zero passage phase characteristic, is believed with identifying with each grid voltage waveform
Number corresponding distribution net platform region.
10. device according to claim 9, which is characterized in that the determination unit includes：
First determining module, for according to the voltage zero-cross simulation curve, determining zero passage phase deviation curve；
Second determining module, for according to the zero passage phase deviation curve, determining that corresponding voltage zero-cross phase characteristic is used for
According to the zero passage simulation curve.
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