CN104914405B - Detection method and device - Google Patents
Detection method and device Download PDFInfo
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Abstract
The invention discloses a kind of detection method and device.This method includes：Receive three-phase electric quantity signal, wherein three-phase electric quantity signal includes three-phase voltage signal and three-phase current signal；Obtain standard message signal and tested message signals, wherein, standard message signal is message signals of the standard combining unit according to the three-phase electric quantity signal output received, tested message signals are message signals of the measurement equipment to be checked according to the three-phase electric quantity signal output received, and measurement equipment to be checked is the equipment in digitalized electric energy measuring equipment；And standard message signal and tested message signals are compared, obtain testing result.Through the invention, it solves the problems, such as low to the equipment detection efficiency in digital electric energy metering equipment in the related technology.
Description
Technical field
The present invention relates to equipment detection fields, in particular to a kind of detection method and device.
Background technology
Currently, the construction water that intelligent substation is lagged behind in means and detection method is surveyed in the school of intelligent substation measuring equipment
Gentle development speed.Currently, intelligent substation laboratory simulations system has been established in more research institutes, but in terms of metering
Support be still blank, most research rests on electronic mutual inductor, on digitalized electrical energy meter individual equipment, lacks logarithm
The overall technology performance study of word electric energy metering equipment.However laboratory and substation field have entirely different technology special
Property.For example, substation field may include sv+goose+1588 messages, and laboratory may only have sv messages, the digitized measurement
Site Detection and original traditional electrical energy measurement it is completely different, it is therefore desirable to key equipment in digital electric energy metering equipment
With examining equipment to carry out analog detection to ensure key equipment in digitalized electric energy measuring equipment and examine equipment existing in substation
It being capable of normal operation when the work of field.In the related technology, it is in multiple dresses to the detection of the equipment in digital electric energy metering equipment
It sets and each equipment is individually detected respectively, therefore is low to the equipment detection efficiency in digital electric energy metering equipment.
For problem low to the equipment detection efficiency in digital electric energy metering equipment in the related technology, not yet carry at present
Go out effective solution scheme.
Invention content
The main purpose of the present invention is to provide a kind of detection method and device, to solve in the related technology to digitlization electricity
The low problem of equipment detection efficiency that can be in measuring equipment.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of detection method.This method includes：
Receive three-phase electric quantity signal, wherein three-phase electric quantity signal includes three-phase voltage signal and three-phase current signal；Obtain standard message
Signal and tested message signals, wherein standard message signal is that standard combining unit is defeated according to the three-phase electric quantity signal received
The message signals gone out, tested message signals are message signals of the measurement equipment to be checked according to the three-phase electric quantity signal output received,
Measurement equipment to be checked is the equipment in digitalized electric energy measuring equipment；And standard message signal and tested message signals are carried out pair
Than obtaining testing result.
Further, standard message signal includes standard electrical energy impulse signals, and it includes tested electric energy arteries and veins to be detected message signals
Rushing signal, wherein standard electrical energy impulse signals are the pulse signal of the digital standard table output in digitalized electric energy measuring equipment,
Tested electrical energy impulse signals are the pulse signal of the digitalized electric energy equipment output in measurement equipment to be checked, to standard message signal and
Tested message signals are compared, and are obtained testing result and are included：Obtain deviation, wherein deviation is believed for standard electrical energy pulse
The numerical value of deviation number between electrical energy impulse signals；Whether judgment bias value is within the scope of predetermined deviation quantity；If deviation
Within the scope of predetermined deviation quantity, the first testing result is obtained；And if deviation obtains not within the scope of predetermined deviation quantity
To the second testing result.
Further, receiving three-phase electric quantity signal includes：Obtain the packet capturing message signals at substation's analysis scene；From packet capturing
Message digital signal is read in message signals；Message digital signal is sent to three phase power source；And receive three phase power source root
The three-phase electric quantity signal exported according to message digital signal.
Further, after receiving the three-phase electric quantity signal that three phase power source is exported according to message digital signal, the party
Method further includes：Receive unbalanced voltage signal, the unbalanced electric current letter that three phase power source is exported according to message digital signal
Number, the signal of the signal of different frequency and/or different harmonic contents；And according to unbalanced voltage signal, unbalanced electricity
Flow the multi-signal of the signal imitation substation field of signal, the signal of different frequency and/or different harmonic contents.
Further, standard message signal and tested message signals are compared, after obtaining testing result, this method
Further include：The error amount of measurement equipment to be checked is determined according to testing result；The correction side for treating detection device is determined according to error amount
Formula；And detection device is treated according to correcting mode and is corrected.
To achieve the goals above, according to another aspect of the present invention, a kind of detection device is provided.The device includes：
First receiving unit, for receiving three-phase electric quantity signal, wherein three-phase electric quantity signal includes three-phase voltage signal and three-phase current
Signal；Acquiring unit, for obtaining standard message signal and tested message signals, wherein standard message signal is that standard merges
For unit according to the message signals of the three-phase electric quantity signal output received, tested message signals are measurement equipments to be checked according to receiving
Three-phase electric quantity signal output message signals, measurement equipment to be checked be digitalized electric energy measuring equipment in equipment；And comparison
Unit obtains testing result for being compared to standard message signal and tested message signals.
Further, standard message signal includes standard electrical energy impulse signals, and it includes tested electric energy arteries and veins to be detected message signals
Rushing signal, wherein standard electrical energy impulse signals are the pulse signal of the digital standard table output in digitalized electric energy measuring equipment,
Tested electrical energy impulse signals are the pulse signal of the digitalized electric energy equipment output in measurement equipment to be checked, and comparison unit includes：The
One acquisition module, for obtaining deviation, wherein deviation deviation between standard electrical energy impulse signals and electrical energy impulse signals
Numerical value；Judgment module, for judgment bias value whether within the scope of predetermined deviation quantity；Second acquisition module, for inclined
In the case that difference is within the scope of predetermined deviation quantity, the first testing result is obtained；And third acquisition module, in deviation
In the case that value is not within the scope of predetermined deviation quantity, the second testing result is obtained.
Further, the first receiving unit includes：4th acquisition module, the packet capturing report for obtaining substation's analysis scene
Literary signal；Read module, for reading message digital signal from packet capturing message signals；Sending module, for sending message number
Word signal is to three phase power source；And receiving module, the three-phase exported according to message digital signal for receiving three phase power source
Electric quantity signal.
Further, which further includes：Second receiving unit, for receiving three phase power source according to message digital signal
The unbalanced voltage signal of output, the letter of unbalanced current signal, the signal of different frequency and/or different harmonic contents
Number；And analogue unit, for according to unbalanced voltage signal, unbalanced current signal, different frequency signal and/or
The multi-signal of the signal imitation substation field of different harmonic contents.
Further, which further includes：First determination unit, the mistake for determining measurement equipment to be checked according to testing result
Difference；Second determination unit, for determining the correcting mode for treating detection device according to error amount；And correction unit, it is used for
Detection device is treated according to correcting mode to be corrected.
Through the invention, using following steps：Receive three-phase electric quantity signal, wherein three-phase electric quantity signal includes three-phase electricity
Press signal and three-phase current signal；Obtain standard message signal and tested message signals, wherein standard message signal is that standard is closed
And the message signals that unit is exported according to the three-phase electric quantity signal received, tested message signals are measurement equipments to be checked according to reception
The message signals for the three-phase electric quantity signal output arrived, measurement equipment to be checked are the equipment in digitalized electric energy measuring equipment；And it is right
Standard message signal and tested message signals are compared, and testing result is obtained, to more in digital electric energy metering equipment
A measurement equipment to be checked is detected, and is solved low to the equipment detection efficiency in digital electric energy metering equipment in the related technology
Problem, and then achieved the effect that be promoted to the equipment detection efficiency in digital electric energy metering equipment.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of detection method according to the ... of the embodiment of the present invention；
Fig. 2 is the schematic diagram of detection method combining data detection unit or electronic mutual inductor according to the ... of the embodiment of the present invention；
Fig. 3 is detection method detection digitalized electrical energy meter or digitalized electrical energy meter tester according to the ... of the embodiment of the present invention
Schematic diagram；
Fig. 4 is the schematic diagram of detection method detection electronic transducer calibration instrument according to the ... of the embodiment of the present invention；
Fig. 5 is the schematic diagram of detection device according to the ... of the embodiment of the present invention；And
Fig. 6 is the schematic diagram of connection relation between detection device internal module according to the ... of the embodiment of the present invention.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include without clear
It is listing to Chu or for these processes, method, product or equipment intrinsic other steps or unit.
According to an embodiment of the invention, a kind of detection method is provided.
Fig. 1 is the flow chart of detection method according to the ... of the embodiment of the present invention.As shown in Figure 1, this approach includes the following steps：
Step S101 receives three-phase electric quantity signal, wherein three-phase electric quantity signal includes three-phase voltage signal and three-phase current
Signal.
Three-phase electric quantity signal can be the electricity for generating arbitrary amplitude, frequency and phase according to SIN function by three phase power source
Current voltage digital waveform, then passes through digital-to-analogue conversion, power amplification outputting standard voltage and current signal, and the stability of output is not low
In 0.01%, the signal of accuracy 0.05%.Three phase power source can read waveform number from the file of on-the-spot record Wave data
According to by interpolation algorithm reconstruction, digital-to-analogue conversion, power amplification output analog signal, reproduction substation field signal.Reception is used for
Reappear the three-phase electric quantity signal of substation field signal.
Step S102 obtains standard message signal and tested message signals, wherein standard message signal is that standard merges list
For member according to the message signals of the three-phase electric quantity signal output received, tested message signals are measurement equipments to be checked according to receiving
The message signals of three-phase electric quantity signal output, measurement equipment to be checked are the equipment in digitalized electric energy measuring equipment.
Above-mentioned high-precision three-phase voltage current signal is received, output is to measurement equipment to be checked (for example, subject combining unit
Or electronic mutual inductor), while standard combining unit is given in output；The IEC61850 messages of measurement equipment output to be checked are as tested report
Literary signal, 61850 message of standard IEC (standard message signal) exported by standard combining unit.It is defeated to obtain measurement equipment to be checked
Standard IEC 61850 message of the IEC61850 messages gone out as tested message signals and the output of standard combining unit.
Step S103 compares standard message signal and tested message signals, obtains testing result.
Respectively by standard message signal and tested message signals input standard device and measurement equipment to be checked, for example, standard is set
Standby is digital standard table, and measurement equipment to be checked is subject digitalized electrical energy meter, and digital standard table and subject digitalized electrical energy meter is defeated
The standard message signal gone out and tested message signals correction verification module carry out error checking, reach detection subject digitalized electrical energy meter
Purpose.
It should be noted that detection method provided in an embodiment of the present invention can be detected multiple measurement equipments to be checked,
For example, multiple measurement equipments to be checked include：Combining unit, electronic mutual inductor, digitalized electrical energy meter, live message is simulated and it
It needs the equipment extended.
Detection method provided in an embodiment of the present invention passes through and receives three-phase electric quantity signal, wherein three-phase electric quantity signal includes
Three-phase voltage signal and three-phase current signal；Obtain standard message signal and tested message signals, wherein standard message signal is
For standard combining unit according to the message signals of the three-phase electric quantity signal output received, tested message signals are measurement equipment roots to be checked
According to the message signals of the three-phase electric quantity signal output received, measurement equipment to be checked is the equipment in digitalized electric energy measuring equipment；
And standard message signal and tested message signals are compared, testing result is obtained, to be set to digital electric energy metering
Multiple measurement equipments to be checked are detected in standby, are solved and are detected effect to the equipment in digital electric energy metering equipment in the related technology
The low problem of rate, and then achieved the effect that be promoted to the equipment detection efficiency in digital electric energy metering equipment.
Preferably, in detection method provided in an embodiment of the present invention, standard message signal includes standard electrical energy pulse letter
Number, it includes tested electrical energy impulse signals to be detected message signals, wherein standard electrical energy impulse signals are digitalized electric energy measuring equipment
In digital standard table output pulse signal, be detected electrical energy impulse signals be measurement equipment to be checked in digitalized electric energy equipment it is defeated
The pulse signal gone out compares standard message signal and tested message signals, obtains testing result and includes：Obtain deviation
Value, wherein the numerical value of deviation deviation between standard electrical energy impulse signals and electrical energy impulse signals；Judgment bias value whether
Within the scope of predetermined deviation quantity；If deviation within the scope of predetermined deviation quantity, obtains the first testing result；And if partially
Difference obtains the second testing result not within the scope of predetermined deviation quantity.
Through the above scheme, different testing results is obtained according to standard message signal and tested message signals, to reach
To the purpose for detecting measurement equipment to be checked.
Optionally, in detection method provided in an embodiment of the present invention, receiving three-phase electric quantity signal includes：Obtain substation
Analyze the packet capturing message signals at scene；Message digital signal is read from packet capturing message signals；Message digital signal is sent to three
Phase power source；And receive the three-phase electric quantity signal that three phase power source is exported according to message digital signal.
By obtaining message digital signal from the packet capturing message signals at substation's analysis scene, three phase power source is according to report
The three-phase electric quantity signal of literary digital signal output, reappears substation field signal, according to the on-site signal of reproduction substation to quilt
Detection device is detected, to promote the precision to being detected measurement equipment.
Optionally, in detection method provided in an embodiment of the present invention, believed according to message number receiving three phase power source
Number output three-phase electric quantity signal after, this method further includes：Three phase power source is received to be exported not according to message digital signal
The signal of the voltage signal of balance, unbalanced current signal, the signal of different frequency and/or different harmonic contents；And root
According to the signal imitation of unbalanced voltage signal, unbalanced current signal, the signal of different frequency and/or different harmonic contents
The multi-signal of substation field.
Unbalanced voltage signal that three phase power source is also exported according to message digital signal, unbalanced current signal,
The signal of the signal of different frequency and/or different harmonic contents, above-mentioned multiple signals will be used to detect measurement equipment to be checked, various
In the case of different typical faults, the influence for treating detection device is detected.
Optionally, in detection method provided in an embodiment of the present invention, to standard message signal and tested message signals into
Row comparison, after obtaining testing result, this method further includes：The error amount of measurement equipment to be checked is determined according to testing result；According to
Error amount determines the correcting mode for treating detection device；And detection device is treated according to correcting mode and is corrected.
Specifically, in detection method provided in an embodiment of the present invention, the detection of digitalized electric energy measuring equipment and test
Function is accomplished by the following way, and is the combining unit module or electronics in digitalized electric energy measuring equipment for measurement equipment to be checked
Formula mutual inductor, three-phase calibration power source (three phase power source) provide high-precision three-phase voltage current signal, and output is closed to subject
And unit or electronic mutual inductor, while standard combining unit is given in output；Clock synchronization mechanism provides synchronizing signal and is closed to subject
And unit or electronic mutual inductor, standard combining unit；Standard combining unit outputting standard IEC61850 messages are to combining unit
Function check module, as standard signal, the IEC61850 messages of subject combining unit output pass through merging as signal is detected
Elementary Function correction verification module, which compares, is detected 61850 message of signal and standard IEC, achievees the purpose that detection subject combining unit.It is right
In digitalized electrical energy meter module, standard combining unit outputting standard IEC61850 messages are to digital standard table and subject digitlization electricity
The electrical energy impulse signals of digital standard table and subject digitalized electrical energy meter output are exported boast of one's bit of contribution to digitalized electric energy respectively by energy table
Energy correction verification module carries out electric energy error verification, achievees the purpose that detection subject digitalized electrical energy meter.
Detection method provided in an embodiment of the present invention may be accomplished by training on operation and in-site modeling function,
Live message analog module reads the packet capturing message at analysis scene, extracts Wave data, is sent to the reproduction of three-phase calibration power source
In-site modeling signal；Extraction network message is simultaneously sent to industrial optical switch, reappears field network environment.It is single including merging simultaneously
The simulation of member test typical fault, digitalized electric energy table function and fault simulation.Wherein, combining unit test typical fault simulation is adopted
With three-phase calibration power source difference simulation output unbalance voltage electric current, the signal of different frequency, different harmonic contents, simulation is not
The typical faults such as balanced voltage electric current, frequency influence, harmonic wave influence, pair of the test combining unit under these typical fault environment
The influence of metering.
It should be noted that in detection method provided in an embodiment of the present invention, module to be detected may also include other need
The module to be extended.
Therefore, in detection method provided in an embodiment of the present invention, the equipment in digital electric energy metering equipment is detected
And test, include the independent or whole detection function of electronic mutual inductor, combining unit and digitalized electrical energy meter, digitlization electricity
The detection function of the equipment such as energy table tester, combining unit tester.Work is detected for field digitized electric energy measuring equipment to carry
For training the analog platform with actual combat.Site Detection analog functuion is reappeared existing according to the packet capturing message at scene on platform model machine
Field message and analogue data；Simulating influences the test under site environment, and combining unit functional simulation and digital electric power are boasted of one's bit of contribution
Energy and fault simulation.
Detection method provided in an embodiment of the present invention is described further below.
Fig. 2 is the schematic diagram of detection method combining data detection unit or electronic mutual inductor according to the ... of the embodiment of the present invention, such as
Shown in Fig. 2, the detection to merging unit module or electronic mutual inductor module is accomplished by the following way：
Three-phase calibration power source provides high-precision three-phase voltage current signal, and output is to subject combining unit or electronic type
Mutual inductor, while standard combining unit is given in output；Clock synchronization apparatus provides synchronizing signal to subject combining unit or electronic type
Mutual inductor, standard combining unit；Standard combining unit outputting standard IEC61850 messages are made to combining unit function check module
For standard signal, the IEC61850 messages of combining unit or electronic mutual inductor output are tested as signal is detected, pass through merging
Elementary Function correction verification module, which compares, is detected 61850 message of signal and standard IEC, reaches detection subject combining unit or electronic type is mutual
The purpose of sensor.
Fig. 3 is detection method detection digitalized electrical energy meter or digitalized electrical energy meter tester according to the ... of the embodiment of the present invention
Schematic diagram, as shown in figure 3, it is the digitalized electrical energy meter or digitalized electric energy in digitalized electric energy measuring equipment to treat detection device
The detection of table tester is accomplished by the following way：Three-phase calibration power source provides high-precision three-phase voltage current signal, defeated
Go out and gives standard combining unit；Standard combining unit outputting standard IEC61850 messages are to digital standard table and subject digitalized electric energy
Table or digitalized electrical energy meter tester；Respectively by digital standard table and subject digitalized electrical energy meter or digitalized electrical energy meter tester
The electrical energy impulse signals of output are exported carries out electric energy error verification to digitalized electrical energy meter function check module, realizes detection subject
The purpose of digitalized electrical energy meter or digitalized electrical energy meter tester.
Fig. 4 is the schematic diagram of detection method detection electronic transducer calibration instrument according to the ... of the embodiment of the present invention, such as Fig. 4 institutes
Show, it is real in the following manner to treat the detection that detection device is the electronic transducer calibration instrument in digitalized electric energy measuring equipment
It is existing：Three-phase calibration power source provides high-precision three-phase voltage current signal, and output is made to subject electronic transducer calibration instrument
For standard signal, while standard combining unit is given in output；The AD conversion module of standard combining unit samples input analog signal,
According to the phase difference ∮ of setting, no-load voltage ratio b and ratio difference f, digital elementary errors mixing is carried out to obtained sampled value, through protocol conversion mould
Block outputting standard IEC61850 messages are tested electronic transducer calibration instrument as tested signal；By comparing given phase difference
The test value of ∮, ratio difference f and tested mutual-inductor tester examine and determine the error for being detected mutual-inductor tester.
In detection method provided in an embodiment of the present invention, combining unit test typical fault analog functuion passes through with lower section
Formula is realized：Three-phase calibration power source exports the signal of unbalance voltage electric current, different frequency, different harmonic contents respectively, to
Simulate the typical faults such as unbalance voltage electric current, frequency influence, harmonic wave influence；Combining unit is tested in these typical fault environment
Under metering performance influence.
In detection method provided in an embodiment of the present invention, the fault simulation of digitalized electrical energy meter is real in the following manner
It is existing：Standard combining unit the IEC61850 protocol conversion stages can carry out message there are non-valid channel, message source address is invalid, report
Literary data invalid, message are anomalous events and the fault simulation such as inspecting state, quality factor displacement, frame losing, repetition, incorrect order, from
And test reaction of the digitalized electrical energy meter to these anomalous events and fault simulation.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiment of the present invention additionally provides a kind of detection device, it should be noted that the detection device of the embodiment of the present invention
Can be used for execute the embodiment of the present invention provided be used for detection method.Below to detection device provided in an embodiment of the present invention
It is introduced.
Fig. 5 is the schematic diagram of detection device according to the ... of the embodiment of the present invention.As shown in figure 5, the device includes：First receives
Unit 10, acquiring unit 20 and comparison unit 30.
First receiving unit 10, for receiving three-phase electric quantity signal, wherein three-phase electric quantity signal includes three-phase voltage signal
And three-phase current signal.
Acquiring unit 20, for obtaining standard message signal and tested message signals, wherein standard message signal is standard
For combining unit according to the message signals of the three-phase electric quantity signal output received, tested message signals are measurement equipments to be checked according to connecing
The message signals of the three-phase electric quantity signal output received, measurement equipment to be checked are the equipment in digitalized electric energy measuring equipment.
Comparison unit 30 obtains testing result for being compared to standard message signal and tested message signals.
Detection device provided in an embodiment of the present invention, due to including the first receiving unit 10, for receiving three-phase electricity letter
Number, wherein three-phase electric quantity signal includes three-phase voltage signal and three-phase current signal, acquiring unit 20, for obtaining standard report
Literary signal and tested message signals, wherein standard message signal is standard combining unit according to the three-phase electric quantity signal received
The message signals of output, tested message signals are that measurement equipment to be checked is believed according to the message of the three-phase electric quantity signal output received
Number, measurement equipment to be checked is the equipment in digitalized electric energy measuring equipment, and comparison unit 30 is used for standard message signal and is detected
Message signals are compared, and testing result is obtained, and to be detected are set to multiple in digital electric energy metering equipment on same device
It is standby to be detected, it solves the problems, such as low to the equipment detection efficiency in digital electric energy metering equipment in the related technology, reaches
Promote the effect to equipment detection efficiency in digital electric energy metering equipment.
Preferably, in detection device provided in an embodiment of the present invention, standard message signal includes standard electrical energy pulse letter
Number, it includes tested electrical energy impulse signals to be detected message signals, wherein standard electrical energy impulse signals are digitalized electric energy measuring equipment
In digital standard table output pulse signal, be detected electrical energy impulse signals be measurement equipment to be checked in digitalized electric energy equipment it is defeated
The pulse signal gone out, comparison unit 30 include：First acquisition module, for obtaining deviation, wherein deviation is standard electric energy
The numerical value of deviation between pulse signal and electrical energy impulse signals；Judgment module, for judgment bias value whether in predetermined deviation number
It is worth in range；Second acquisition module, in the case where deviation is within the scope of predetermined deviation quantity, obtaining the first detection knot
Fruit；And third acquisition module, in the case where deviation is not within the scope of predetermined deviation quantity, obtaining the second detection knot
Fruit.
Optionally, in detection device provided in an embodiment of the present invention, the first receiving unit 10 includes：4th obtains mould
Block, the packet capturing message signals for obtaining substation's analysis scene；Read module, for reading message from packet capturing message signals
Digital signal；Sending module, for sending message digital signal to three phase power source；And receiving module, for receiving three-phase
The three-phase electric quantity signal that power source is exported according to message digital signal.
Optionally, in detection device provided in an embodiment of the present invention, which further includes：Second receiving unit, is used for
Receive three phase power source exported according to message digital signal unbalanced voltage signal, unbalanced current signal, different frequencies
The signal of the signal of rate and/or different harmonic contents；And analogue unit, for according to unbalanced voltage signal, imbalance
Current signal, different frequency signal and/or different harmonic content signal imitation substation field multi-signal.
Optionally, in detection device provided in an embodiment of the present invention, which further includes：First determination unit, is used for
The error amount of measurement equipment to be checked is determined according to testing result；Second determination unit, for being set to be detected according to error amount determination
Standby correcting mode；And correction unit, it is corrected for treating detection device according to correcting mode.
Fig. 6 is the schematic diagram of connection relation between detection device internal module according to the ... of the embodiment of the present invention.Such as Fig. 6 institutes
Show, standard combining unit passes through analog quantity switching switch and three-phase calibration power source (three phase power source) and three-phase standard small signal
Source connects, and standard combining unit is connect with industrial optical fiber interchanger (industrial optical switch)；Industrial optical fiber interchanger and electronic type
Mutual inductor combining unit correction verification module connects, and industrial optical fiber interchanger is connect with digital standard table, clock synchronization apparatus and standard
Combining unit connects etc. with merging unit of electronic transformer correction verification module, and the signal passed through between the above internal module passes
It is defeated, measurement equipment to be checked in digital electric energy metering equipment is detected on same device, it is provided in an embodiment of the present invention
Detection device solves the problems, such as low to the equipment detection efficiency in digital electric energy metering equipment in the related technology, and then reaches
Promote the effect to equipment detection efficiency in digital electric energy metering equipment.
It should be noted that for each method embodiment above-mentioned, for simple description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence because
According to the present invention, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, it can be by another way
It realizes.For example, the apparatus embodiments described above are merely exemplary, for example, the unit division, it is only a kind of
Division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored or not executed.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one 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.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Be performed by computing device in the storage device, either they are fabricated to each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combines.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of detection method, which is characterized in that including：
Receive three-phase electric quantity signal, wherein the three-phase electric quantity signal includes three-phase voltage signal and three-phase current signal；
Obtain standard message signal and tested message signals, wherein the standard message signal is standard combining unit according to connecing
The message signals of the three-phase electric quantity signal output received, the tested message signals are measurement equipments to be checked according to receiving
The message signals of the three-phase electric quantity signal output, the measurement equipment to be checked are the equipment in digitalized electric energy measuring equipment；With
And
The standard message signal and the tested message signals are compared, testing result is obtained；
Receiving the three-phase electric quantity signal includes：
Obtain the packet capturing message signals at substation's analysis scene；
Message digital signal is read from the packet capturing message signals；
The message digital signal is sent to three phase power source；And
Receive the three-phase electric quantity signal that the three phase power source is exported according to the message digital signal；
Wherein, described after receiving the three-phase electric quantity signal that the three phase power source is exported according to the message digital signal
Method further includes：
Receive unbalanced voltage signal, the unbalanced electric current that the three phase power source is exported according to the message digital signal
The signal of signal, the signal of different frequency and/or different harmonic contents；And
According to the unbalanced voltage signal, the unbalanced current signal, the signal of the different frequency and/or described
The multi-signal of the signal imitation substation field of different harmonic contents；
Wherein, the standard message signal and the tested message signals are compared, after obtaining testing result, the side
Method further includes：
The error amount of the measurement equipment to be checked is determined according to the testing result；
The correcting mode to the measurement equipment to be checked is determined according to the error amount；And
The measurement equipment to be checked is corrected according to the correcting mode.
2. according to the method described in claim 1, it is characterized in that, the standard message signal includes standard electrical energy pulse letter
Number, the tested message signals include tested electrical energy impulse signals, wherein the standard electrical energy impulse signals are the digitlization
The pulse signal of digital standard table output in electric energy measuring equipment, the tested electrical energy impulse signals are the measurement equipment to be checked
In the output of digitalized electric energy equipment pulse signal, the standard message signal and the tested message signals are carried out pair
Than obtaining testing result includes：
Obtain deviation, wherein the deviation is inclined between the standard electrical energy impulse signals and the electrical energy impulse signals
The numerical value of difference；
Judge the deviation whether within the scope of predetermined deviation quantity；
If the deviation within the scope of the predetermined deviation quantity, obtains the first testing result；And
If the deviation obtains the second testing result not within the scope of the predetermined deviation quantity.
3. a kind of detection device, which is characterized in that including：
First receiving unit, for receiving three-phase electric quantity signal, wherein the three-phase electric quantity signal include three-phase voltage signal and
Three-phase current signal；
Acquiring unit, for obtaining standard message signal and tested message signals, wherein the standard message signal is that standard is closed
And the message signals that unit is exported according to the three-phase electric quantity signal received, the tested message signals are measurement equipments to be checked
According to the message signals of the three-phase electric quantity signal output received, the measurement equipment to be checked is digitalized electric energy measuring equipment
In equipment；And
Comparison unit obtains testing result for being compared to the standard message signal and the tested message signals；
First receiving unit includes：
4th acquisition module, the packet capturing message signals for obtaining substation's analysis scene；
Read module, for reading message digital signal from the packet capturing message signals；
Sending module, for sending the message digital signal to three phase power source；And
Receiving module, the three-phase electric quantity signal exported according to the message digital signal for receiving the three phase power source；
Wherein, described device further includes：
Second receiving unit, the unbalanced voltage exported according to the message digital signal for receiving the three phase power source
The signal of signal, unbalanced current signal, the signal of different frequency and/or different harmonic contents；And
Analogue unit, for according to the unbalanced voltage signal, the unbalanced current signal, the different frequency
The multi-signal of signal and/or the signal imitation substation field of the different harmonic contents；
Wherein, described device further includes：
First determination unit, the error amount for determining the measurement equipment to be checked according to the testing result；
Second determination unit, for determining the correcting mode to the measurement equipment to be checked according to the error amount；And
Unit is corrected, for being corrected to the measurement equipment to be checked according to the correcting mode.
4. device according to claim 3, which is characterized in that the standard message signal includes standard electrical energy pulse letter
Number, the tested message signals include tested electrical energy impulse signals, wherein the standard electrical energy impulse signals are the digitlization
The pulse signal of digital standard table output in electric energy measuring equipment, the tested electrical energy impulse signals are the measurement equipment to be checked
In the output of digitalized electric energy equipment pulse signal, the comparison unit includes：
First acquisition module, for obtaining deviation, wherein the deviation is the standard electrical energy impulse signals and the electricity
The numerical value of deviation between energy impulse signal；
Judgment module, for judging the deviation whether within the scope of predetermined deviation quantity；
Second acquisition module, in the case where the deviation is within the scope of the predetermined deviation quantity, obtaining the first inspection
Survey result；And
Third acquisition module, in the case where the deviation is not within the scope of the predetermined deviation quantity, obtaining second
Testing result.
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| CN105182266B (en) * | 2015-10-12 | 2017-10-10 | 国家电网公司 | A kind of combining unit channel detection methods |
| CN105652231A (en) * | 2015-12-28 | 2016-06-08 | 云南电网有限责任公司电力科学研究院 | Electric energy meter calibration system and calibration method thereof |
| CN105911498B (en) * | 2016-06-21 | 2018-09-21 | 南京国电南自电网自动化有限公司 | A kind of sampling of combining unit and test system and its application process |
| CN106371046B (en) * | 2016-11-17 | 2023-06-27 | 南京丹迪克科技开发有限公司 | Device for detecting angular difference resolution of merging unit tester |
| CN107884735A (en) * | 2017-10-30 | 2018-04-06 | 国网福建省电力有限公司 | Source tracing method based on light digital quantity transmission of quantity value |
| CN108287278A (en) * | 2017-12-29 | 2018-07-17 | 国网北京市电力公司 | Fault detection method and system, the storage medium and processor of substation |
| WO2020021715A1 (en) * | 2018-07-27 | 2020-01-30 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | Fraud countermeasure method, fraud countermeasure device and communication system |
| CN108983139A (en) * | 2018-08-28 | 2018-12-11 | 云南电网有限责任公司电力科学研究院 | A kind of fault detector test macro |
| CN111562544B (en) * | 2020-07-14 | 2020-11-03 | 武汉格蓝若智能技术有限公司 | Parameter consistency diagnosis method and system for digital electric energy metering system |
| CN113834986A (en) * | 2021-09-02 | 2021-12-24 | 上汽通用五菱汽车股份有限公司 | Method for measuring electric signal error proofing, measuring equipment and readable storage medium |
| CN114252695A (en) * | 2021-12-24 | 2022-03-29 | 国网甘肃省电力公司营销服务中心 | Integral calibration method and system for electric energy metering device |
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| CN201583642U (en) * | 2009-12-22 | 2010-09-15 | 华北电力科学研究院有限责任公司 | Calibration apparatus and system of digital electric energy meter |
| CN102156274B (en) * | 2011-04-22 | 2012-10-03 | 四川电力科学研究院 | Field integral detecting system of three-phase electric energy measuring system of electric distribution network |
| CN102819004B (en) * | 2012-08-31 | 2013-08-07 | 江苏省电力公司电力科学研究院 | Comprehensive detecting and analyzing platform for performance of digital electric energy metering systems of intelligent transformer substations |
| CN103487782B (en) * | 2013-07-16 | 2017-02-08 | 深圳市航天泰瑞捷电子有限公司 | Electric meter calibrating method and automatic calibrating system |
| CN203930043U (en) * | 2014-06-27 | 2014-11-05 | 国家电网公司 | A kind of digitalized electric energy measuring apparatus correcting device |
| CN104297717A (en) * | 2014-11-03 | 2015-01-21 | 青岛世泽电子仪表有限公司 | Electric energy meter correction method and system and electric energy meter |
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