CN107677980A - A kind of power distribution network transformer metering performance integration detection platform and method - Google Patents
A kind of power distribution network transformer metering performance integration detection platform and method Download PDFInfo
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- CN107677980A CN107677980A CN201710912738.9A CN201710912738A CN107677980A CN 107677980 A CN107677980 A CN 107677980A CN 201710912738 A CN201710912738 A CN 201710912738A CN 107677980 A CN107677980 A CN 107677980A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
- G01R35/007—Standards or reference devices, e.g. voltage or resistance standards, "golden references"
Abstract
The invention discloses a kind of power distribution network transformer metering performance integration detection platform and method, including：Three-phase transformer error detection unit, at least a phase detecting circuit：Input voltage adjustment unit, input current adjustment unit, standard potential transformer, standard current transformer；Input voltage adjustment unit is used to adjust input voltage and the primary voltage to standard potential transformer and subject voltage transformer boosts；Input current adjustment unit is used to adjust input voltage and the primary current to standard current transformer transformer and subject current transformer flows up；Three-phase transformer error detection unit is used for the reference signal based on standard potential transformer or standard current transformer, voltage transformer is tested to three-phase or three-phase subject current transformer carries out error-detecting, the true metering performance of transformer can be accurately reflected, and can easily realize that mutual inductor interstar connection is changed under phase three-wire three and three-phase and four-line two ways by a change-over switch.
Description
Technical field
The present invention relates to the transformer detection field in power distribution network, in particular it relates to which a kind of power distribution network transformer is Targets
Can integrated detection platform and method.
Background technology
Different by neutral point insulation mode, power distribution network can be divided into isolated neutral system and the nonisulated system of neutral point.This
In two kinds of systems, the transformer in power distribution network is in the running status of rated voltage and larger current.At present to each in power distribution network
The metering performance of phase current mutual inductor or each phase voltage transformer is according to JJG1021《Electric power mutual-inductor》、JJG313《Measurement is used
Voltage transformer》、 JJG314《Verification of Measuring Current Transformer》Examined and determine respectively in the case of up-flow or pressurization etc. providing,
Single-phase calibrating can only be carried out to current transformer or voltage transformer, now the running status residing for transformer is only during calibrating
Transformer three-phase differs in high voltage, the state of larger current simultaneously in curtage, with power distribution network during actual motion
Cause.Therefore, verification result can not accurately reflect the true metering performance of transformer.
The content of the invention
The invention provides a kind of power distribution network transformer metering performance integration detection platform and method, solve existing
Calibrating mode verification result can not accurately reflect the technical problem of the true metering performance of transformer, realize and pass through the application
In detection platform can accurately reflect transformer true metering performance technique effect.
For achieving the above object, this application provides a kind of integration detection of power distribution network transformer metering performance is flat
Platform, the platform include：
Three-phase transformer error detection unit, at least a phase detecting circuit, detection circuit include：Input voltage adjustment is single
Member, input current adjustment unit, standard potential transformer, standard current transformer；Input voltage adjustment unit and normal voltage
Transformer is connected, and input current adjustment unit is connected with standard current transformer；Three-phase transformer error detection unit is provided with
It is tested curtage transformer and the secondary singal of normalized current or voltage transformer detection interface；Three-phase transformer error
Detection unit can be carried out between the error-detecting of three-phase and four-line and the voltage transformer for electric power distribution network of phase three-wire three metering method
Switching；Input voltage adjustment unit be used for adjust input voltage and to standard potential transformer and subject voltage transformer one
Secondary voltage is boosted；Input current adjustment unit be used for adjust input voltage and to standard current transformer transformer and by
The primary current of examination current transformer is flowed up；Three-phase transformer error detection unit is used to be based on standard potential transformer
Or the reference signal of standard current transformer, voltage transformer is tested to three-phase or three-phase subject current transformer carries out error
Detection.
Further, the platform includes：Three-phase transformer error detection unit, 3 phase detecting circuits：A、B、C；Input electricity
Pressure adjustment unit includes：Pressure regulation unit, boosting unit；Input current adjustment unit includes：Pressure regulation unit, up-flow unit；One
Pressure regulation unit is connected with boosting unit, and boosting unit is connected with standard potential transformer；Another pressure regulation unit and up-flow unit
Connection, up-flow unit are connected with standard current transformer, and pressure regulation unit is used to adjust boosting unit, the input electricity of up-flow unit
Pressure；Boosting unit is used to boost to the primary voltage of standard potential transformer and subject voltage transformer；Up-flow unit
For being flowed up to the primary current of standard current transformer transformer and subject current transformer.
Wherein, (structural shape of transformer includes monomer-type voltage to transformer in the platform simulation power distribution network in the application
Transformer and monomer-type current transformer combination, three-phase combination transformer, threephase potential transformer and monomer-type current transformer
Combination) physical cabling form and operating condition, using three-phase simultaneously pressurize and up-flow by the way of, can realize to transformer
The accurate detection of runnability.
A kind of power distribution network transformer metering performance integration detection platform based on GIS insulation in the application, can be simulated
The physical cabling form of transformer and operating condition are to for phase three-wire three (including two voltage transformers and two in power distribution network
Platform current transformer) and three-phase and four-line (including the three voltage transformers and three current transformers) mode of connection (metering side
Formula) power distribution network transformer carry out metering performance experiment, and phase three-wire three and three-phase and four-line two ways in laboratory and scene
Under transformer primary connection can conveniently change.
Further, the standard potential transformer in platform and standard current transformer are located at different air chambers, to ensure
Error between standard potential transformer and standard current transformer will not influence each other.
Further, each phase standard potential transformer of A, B, C and standard current transformer carry out shielding processing respectively, to protect
The error demonstrate,proved between each phase standard potential transformer and each phase standard current transformer will not influence each other, and realize each alternate
The interference of electromagnetic field influences negligible on the error of standard current transformer and standard potential transformer.
Further, before detection, each phase is tested current transformer and voltage transformer and connect by physical cabling during operation
It is good；It is tested each phase phase voltage transformer and is connected in parallel on corresponding standard potential transformer both ends, current transformer is connected into each phase mark
Quasi- current transformer primary circuit；
Pressure regulation unit is first passed through when detecting current error, during test, voltage is risen to setting and is added in subject by boosting unit
On voltage transformer, then adjust another pressure regulation unit and up-flow unit obtains different primary currents, in defined voltage
With the current error for measuring each phase current mutual inductor under different electric currents simultaneously；
Pressure regulation unit is first passed through when detecting voltage error, during test, electric current is risen to setting and is added in subject by up-flow unit
On product, then adjust another pressure regulation unit and boosting unit obtains different primary voltages, in defined electric current and different electricity
Pressure measures the voltage error of each phase voltage transformer simultaneously.
Further, present invention also provides a kind of voltage transformer for electric power distribution network metering performance integrated detection method, institute
The method of stating includes：
Subject electricity on three-phase subject voltage transformer, standard potential transformer access three-phase transformer error detection unit
Press the secondary singal of transformer and standard potential transformer detection interface；
Input voltage is adjusted and to standard potential transformer and subject voltage transformer based on input voltage adjustment unit
Primary voltage is boosted；
Reference signal is obtained using standard potential transformer；
Reference signal based on acquisition, three-phase transformer error detection unit carry out error to three-phase subject voltage transformer
Detection, wherein, when needs are between the error-detecting of three-phase and four-line and the voltage transformer for electric power distribution network of phase three-wire three metering method
When switching over, switched over using three-phase transformer error detection unit.
Further, present invention also provides a kind of power distribution network current transformer metering performance integrated detection method, institute
The method of stating includes：
Subject electricity on three-phase subject current transformer, standard current transformer access three-phase transformer error detection unit
The secondary singal of current transformer and standard current transformer detects interface；
It is based on input current adjustment unit, regulation input voltage and mutual to standard current transformer transformer and subject electric current
The primary current of sensor is flowed up；
Reference signal is obtained using standard current transformer；
Reference signal based on acquisition, three-phase transformer error detection unit are carried out simultaneously to three-phase subject current transformer
Error-detecting, wherein, when needs are in the error-detecting of three-phase and four-line and the voltage transformer for electric power distribution network of phase three-wire three metering method
Between when switching over, switched over using three-phase transformer error detection unit.
Further, detection platform uses GIS insulation modes.
Further, the error-detecting wiring of the power distribution network transformer of three-phase and four-line metering method is：(due to A, B, C tri-
Phase connection is similar, and this is illustrated exemplified by sentencing A phase connections)：
Standard current transformer and the series connection of subject current transformer primary circuit, and polar end connects, i.e., normalized current is mutual
The P1A of sensor connects subject current transformer P1, P2A (volumes when being used according to subject current transformer of standard current transformer
Determine current value selection, it is also possible to P3A) connect subject current transformer P2 (if subject current transformer has multiple taps,
Load current value when being used according to subject current transformer is chosen)；The secondary output end of standard current transformer (polar end) S1
With its non-polar end S6 short circuits, subject Current Transformer Secondary output end (polar end) S1 and its non-polar end S2 short circuits；Standard
The once high-end once high-end connection with subject voltage transformer of voltage transformer, it is tested a low side of voltage transformer
(low side of the threephase potential transformer having is internal to be connected ground connection, low side connection terminal of outside nothing, now subject electricity
Press a low side of transformer can be regardless of), low side ground connection of standard potential transformer；The secondary terminals of standard potential transformer
(when connecing this terminal, the no-load voltage ratio of standard potential transformer is sub- 2a) with subject voltage transformer secondary terminals
Sub- a connections, secondary terminals n access three-phase transformer error detection unit the terminal x1 and k1 of standard potential transformer, standard electric
The secondary terminals 2a access three-phase transformer error detection unit terminal a1 of transformer are pressed, are tested the secondary terminals of voltage transformer
Sub- n accesses three-phase transformer error detection unit terminal D, while the secondary terminals a and n that are tested voltage transformer are respectively connected to
The high and low end of voltage load box terminal.During experiment, A, B, C threephase current transformer are risen into rated current, Ran Houzai first
Each phase voltage is risen into setting and carries out voltage error detection.
The error-detecting wiring of the power distribution network current transformer of three-phase and four-line metering method is (due to the phase connection of A, B, C tri-
Similar, this is illustrated exemplified by sentencing A phase connections)：
Standard current transformer and the series connection of subject current transformer primary circuit, and polar end connects, i.e., normalized current is mutual
The P1A of sensor connects subject current transformer P1, P2A (volumes when being used according to subject current transformer of standard current transformer
Determine current value selection, it is also possible to P3A) connect subject current transformer P2 (if subject current transformer has multiple taps,
Load current value when being used according to subject current transformer is chosen)；The secondary output end of standard current transformer (polar end) S1
It is connected with the polar end S1 for being tested current transformer, contact accesses the k1 of three-phase transformer error detection unit, and normalized current is mutual
The secondary output end of sensor (non-polar end) Si (i value according to subject current transformer rated current, and combined standard electricity
The no-load voltage ratio (by nameplate of standard current transformer) of current transformer determines), access three-phase transformer error detection unit
T01, the non-polar end S2 for being tested current transformer are connected with one end of current capacity case, and (subject Current Transformer Secondary is specified
Electric current is 5A or 1A, then connects the terminal of 5A or 1A on current capacity case respectively), the other end access three of current capacity case is mutual
The Tx1 of sensor error detection unit, the D ground connection of three-phase transformer error detection unit, now completes A phase connections.During experiment,
A, B, C three-phase are risen into rated voltage first, each phase current then is risen into setting again carries out current error detection.
Further, the error-detecting wiring of the power distribution network transformer of phase three-wire three metering method is：For phase three-wire three
The error-detecting wiring of the voltage transformer for electric power distribution network of metering method is respectively (general with two during phase three-wire three metering method
Voltage transformer, the high-end of two voltage transformers meet A, C respectively, another termination B phases, due to connecing for two voltage transformers
Line is similar, and this is illustrated exemplified by sentencing the mutual inductor interstar connection of access AB phases)：Standard current transformer and subject Current Mutual Inductance
Device primary circuit is connected, and polar end connects, i.e. the P1A of standard current transformer connects subject current transformer P1, normalized current
The P2A (load current value when being used according to subject current transformer is chosen, it is also possible to P3A) of transformer connects subject electric current
Transformer P2 (if subject current transformer has multiple taps, load current value when being used according to subject current transformer
Choose)；The secondary output end of standard current transformer (polar end) S1 and its non-polar end S6 short circuits, are tested current transformer two
Secondary output end (polar end) S1 and its non-polar end S2 short circuits；The once high-end and subject mutual induction of voltage of standard potential transformer
The once high-end connection (being connected to A phases) of device, standard potential transformer are connected with the other end of subject voltage transformer and (are connected to B
Phase)；(when connecing this terminal, the no-load voltage ratio of standard potential transformer is the secondary terminals 1a of standard potential transformer) and quilt
Try the secondary terminals a connections of voltage transformer, the secondary terminals n access three-phase transformer error detections of standard potential transformer
Unit terminal x1 and k1, the secondary terminals 1a access three-phase transformer error detection unit terminal a1 of standard potential transformer, quilt
The secondary terminals n access three-phase transformer error detection unit terminal D of voltage transformer are tried, while are tested voltage transformer
Secondary terminals a and n are respectively connected to the high and low end of voltage load box terminal.During experiment, first by A, B, C threephase current transformer
Rated current is risen to, each phase voltage then is risen into setting again carries out voltage error detection.
The error-detecting wiring of the power distribution network current transformer of phase three-wire three metering method is (due to phase three-wire three wiring side
Current transformer only has A, C two-phase in formula, and the phase connection of A, C two is similar, and this is illustrated exemplified by sentencing A phase connections)：
Standard current transformer and the series connection of subject current transformer primary circuit, and polar end connects, i.e., normalized current is mutual
The P1A of sensor connects subject current transformer P1, P2A (volumes when being used according to subject current transformer of standard current transformer
Determine current value selection, it is also possible to P3A) connect subject current transformer P2 (if subject current transformer has multiple taps,
Load current value when being used according to subject current transformer is chosen)；The secondary output end of standard current transformer (polar end) S1
It is connected with the polar end S1 for being tested current transformer, contact accesses the k1 of three-phase transformer error detection unit, and normalized current is mutual
The secondary output end of sensor (non-polar end) Si (i value according to subject current transformer rated current, and combined standard electricity
The no-load voltage ratio (by nameplate of standard current transformer) of current transformer determines), access three-phase transformer error detection unit
T01, the non-polar end S2 for being tested current transformer are connected with one end of current capacity case, and (subject Current Transformer Secondary is specified
Electric current is 5A or 1A, then connects the terminal of 5A or 1A on current capacity case respectively), the other end access three of current capacity case is mutual
The Tx1 of sensor error detection unit, the D ground connection of three-phase transformer error detection unit, now completes A phase connections.During experiment,
A, B, C three-phase are risen into rated voltage first, each phase current then is risen into setting again carries out current error detection.
The conversion regime of transformer primary connection under phase three-wire three and three-phase and four-line two ways is：When switch is placed in BN
I.e. low side of B phases standard potential transformer when (now BN is connected with AN), be the three-phase and four-line mode of connection；When switch is placed in
P1B is when B phase standard potential transformers are once high-end (now P1B is connected with AN), is the phase three-wire three mode of connection.
One or more technical schemes that the application provides, have at least the following technical effects or advantages：
As a result of to distribution transformer it is each identical when apply symmetrical electric current and rated voltage, simulate distribution transformer
Actual operating mode this technological means, transformer can accurately be detected by the detection platform in the application by realizing
True metering performance, and the technique effect that the mutual inductor interstar connection under phase three-wire three and three-phase and four-line two ways can be changed conveniently.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention；
Fig. 1 is to detect the power distribution network current transformer line map in the three-phase and four-line mode of connection (Y-Y wiring)；
Fig. 2 is to detect the voltage transformer for electric power distribution network error wiring diagram in the three-phase and four-line mode of connection (Y-Y wiring)；
Fig. 3 is to detect the power distribution network current transformer error wiring diagram in the phase three-wire three mode of connection (detection V-V wiring)；
Fig. 4 is to detect the voltage transformer for electric power distribution network error wiring diagram in the phase three-wire three mode of connection (detection V-V wiring)；
Fig. 5 is the connection relationship diagram of each part of detection platform；
Fig. 6 is the error-detecting wiring diagram for three-phase and four-line transformer；
Fig. 7 is the error-detecting wiring diagram for phase three-wire three transformer.
Embodiment
The invention provides a kind of power distribution network transformer metering performance integration detection platform, solves existing calibrating side
Formula verification result can not accurately reflect the technical problem of the true metering performance of transformer, realize by the inspection in the application
The technique effect of true metering performance of transformer can be accurately reflected by surveying platform.
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting mutually, the application
Embodiment and embodiment in feature can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented using other different from the other modes in the range of being described herein, therefore, protection scope of the present invention is not by under
The limitation of specific embodiment disclosed in face.
Detect the detection current error and voltage error of the power distribution network transformer in the three-phase and four-line mode of connection (Y-Y wiring)
Wiring respectively as shown in Fig. 2-Fig. 3.When detecting voltage transformer error, the X ends ground connection of each phase standard potential transformer.
When detecting the power distribution network transformer in the phase three-wire three mode of connection (detection V-V wiring), current error and electricity are detected
Hold up the wiring difference of difference as shown in Figure 4 and Figure 5.
This Integral metering performance detecting platform grade of rated voltage is 10kV, using GIS insulation modes, including pressure regulation list
First (two sets), boosting unit, standard potential transformer, (P1A, P2A, P3A are standard electric for up-flow unit, standard current transformer
The once end of current transformer, S1, S2, S3, S4, S5, S6 are the secondary terminals of standard current transformer), by different terminals
Combination, it is possible to achieve maximum primary current be 200A current transformer error detection, three-phase transformer error detection unit
(or three-phase mutual-inductor tester).The annexation of each part in figure to each several part unit in A phases as shown in fig. 6, only carry out
Mark, B phases are similar with each several part unit in C phases, and Gu Tuzhong is not labeled to each several part unit of B phases and C phases.
Wherein pressure regulation unit is used to adjust boosting unit, the input voltage regulation of up-flow unit；Boosting unit, which is used to rise, to be connect
To the voltage of transformer once；Up-flow unit, which is used to rise, is connected to the electric current of transformer once；Standard potential transformer is used to compare
It is tested the voltage error of voltage transformer；Standard current transformer is used for the current error for comparing subject current transformer；Three-phase
Transformer error detection unit (three-phase mutual-inductor tester) is used to carry out error-detecting simultaneously to three-phase transformer.
Standard potential transformer and standard current transformer are in different air chambers, to ensure standard potential transformer and standard
Error between current transformer will not influence each other；Each phase standard potential transformer and each phase standard current transformer difference
Shielded, to ensure that the error between each phase standard potential transformer and each phase standard current transformer will not influence each other,
Therefore, the design structure can be good at ensureing the accuracy of each phase standard potential transformer and each phase standard current transformer,
Ensure that standard potential transformer is satisfied by requirement (normal voltage of the related code to its error limit to standard current transformer
Transformer is 0.05 grade, the equal 0.05S levels of standard current transformer).
Error-detecting wiring for three-phase and four-line and the power distribution network transformer of phase three-wire three metering method is respectively such as Fig. 7
(being only labeled in Fig. 7 to each part of A phases, B, C are similar), can easily it be realized for two kinds of differences by switch
The conversion of transformer error detection experiment between metering method, it is to for three-phase and four-line metering method that will switch when being placed in BN
Transformer error-detecting, switch is examined to the error of the transformer for phase three-wire three metering method when being placed in P1B
Survey.
Fig. 6 left side is voltage segment：Including pressure regulator, booster and standard potential transformer；Parameter such as table 1-2 institutes
Show.
The boosting pressure regulator technical data sheet of table 1.
| Sequence number | Title | Unit | Technical parameter value |
| 1 | Nominal input voltage | V | 380 |
| 2 | Rated output voltage | V | 380 |
| 3 | Three-phase rated capacity | VA | 3000 |
| 4 | Frequency | Hz | 50 |
| 5 | Structure type | / | Using the three-phase regulator of routine |
The standard potential transformer of table 2. and boosting become technical data sheet
The right is current segment：Including pressure regulator, current lifting device and standard current transformer, parameter is as shown in table 3-4.
Table 3 flows up pressure regulator technical data sheet
The standard current transformer of table 4. and current lifting device technical data sheet
Three-phase has the identical mode of connection in detection platform.Standard potential transformer uses all insulation mode, to realize
The metering performance detection of transformer during to Y-Y wiring and V-V wiring；Standard current transformer rating operating voltage is 10kV,
First and second realizes multiple electric current no-load voltage ratios by the way of multiple taps.
Before detection, each phase is tested current transformer and voltage transformer and connected by physical cabling during operation.Subject is each
Phase phase voltage transformer is connected in parallel on corresponding standard potential transformer both ends, and current transformer is connected mutual into each phase normalized current
Sensor primary circuit.
Pressure regulation unit is first passed through when detecting current error, during test, voltage is risen to setting and is added in subject by boosting unit
On voltage transformer, then adjust another pressure regulation unit and up-flow unit obtains different primary currents, in defined voltage
With the current error for measuring each phase current mutual inductor under different electric currents simultaneously.
Pressure regulation unit is first passed through when detecting voltage error, during test, electric current is risen to setting and is added in subject by up-flow unit
On product, then adjust another pressure regulation unit and boosting unit obtains different primary voltages, in defined electric current and different electricity
Pressure measures the voltage error of each phase voltage transformer simultaneously.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims are intended to be construed to include
Preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of power distribution network transformer metering performance integration detection platform, it is characterised in that the platform includes：
Three-phase transformer error detection unit, at least a phase detecting circuit, detection circuit include：It is input voltage adjustment unit, defeated
Enter current adjustment unit, standard potential transformer, standard current transformer；
Input voltage adjustment unit is connected with standard potential transformer, and input current adjustment unit connects with standard current transformer
Connect；
Three-phase transformer error detection unit is provided with subject curtage transformer and normalized current or voltage transformer
Secondary singal detects interface；
Three-phase transformer error detection unit can be in three-phase and four-line and the voltage transformer for electric power distribution network of phase three-wire three metering method
Error-detecting between switch over；
Input voltage adjustment unit be used for adjust input voltage and to standard potential transformer and subject voltage transformer once
Voltage is boosted；
Input current adjustment unit is used to adjust input voltage and to standard current transformer transformer and subject current transformer
Primary current flowed up；
Three-phase transformer error detection unit is used for the reference signal based on standard potential transformer or standard current transformer, right
Three-phase is tested voltage transformer or three-phase subject current transformer carries out error-detecting.
2. power distribution network transformer metering performance integration detection platform according to claim 1, it is characterised in that described flat
Platform includes：Three-phase transformer error detection unit, 3 phase detecting circuits：A、B、C；
Input voltage adjustment unit includes：Pressure regulation unit, boosting unit；Input current adjustment unit includes：
Pressure regulation unit, up-flow unit；One pressure regulation unit is connected with boosting unit, and boosting unit connects with standard potential transformer
Connect；Another pressure regulation unit is connected with up-flow unit, and up-flow unit is connected with standard current transformer, and pressure regulation unit is used to adjust
The input voltage of boosting unit, up-flow unit；
Boosting unit is used to boost to the primary voltage of standard potential transformer and subject voltage transformer；Up-flow unit
For being flowed up to the primary current of standard current transformer transformer and subject current transformer.
3. power distribution network transformer metering performance integration detection platform according to claim 1, it is characterised in that in platform
Standard potential transformer and standard current transformer be located at different air chambers.
4. power distribution network transformer metering performance integration detection platform according to claim 2, it is characterised in that A, B, C
Each phase standard potential transformer and standard current transformer carry out shielding processing respectively.
5. the power distribution network transformer metering performance integration detection platform according to claim 1-4, it is characterised in that three-phase
The conversion regime of transformer primary connection under three lines and three-phase and four-line two ways is：When switch, to be placed in B phase normal voltages mutual
During low side of sensor, to carry out error-detecting to the transformer of the three-phase and four-line mode of connection；When switch is placed in B phase normal voltages
When transformer is once high-end, to carry out error-detecting to the transformer of the phase three-wire three mode of connection.
6. the power distribution network transformer metering performance integration detection platform according to claim 1-4, it is characterised in that detection
Platform uses GIS insulation modes.
7. a kind of voltage transformer for electric power distribution network metering performance integrated detection method, it is characterised in that methods described includes：
Subject voltage on three-phase subject voltage transformer, standard potential transformer access three-phase transformer error detection unit is mutual
The secondary singal of sensor and standard potential transformer detects interface；
Based on input voltage adjustment unit regulation input voltage and to standard potential transformer and it is tested voltage transformer once
Voltage is boosted；
Reference signal is obtained using standard potential transformer；
Reference signal based on acquisition, three-phase transformer error detection unit carry out error inspection to three-phase subject voltage transformer
Survey, wherein, when needs enter between the error-detecting of three-phase and four-line and the voltage transformer for electric power distribution network of phase three-wire three metering method
During row switching, switched over using three-phase transformer error detection unit.
8. a kind of power distribution network current transformer metering performance integrated detection method, it is characterised in that methods described includes：
Subject electric current on three-phase subject current transformer, standard current transformer access three-phase transformer error detection unit is mutual
The secondary singal of sensor and standard current transformer detects interface；
Based on input current adjustment unit, input voltage is adjusted and to standard current transformer transformer and subject current transformer
Primary current flowed up；
Reference signal is obtained using standard current transformer；
Reference signal based on acquisition, three-phase transformer error detection unit are tested current transformer to three-phase and carry out error simultaneously
Detection, wherein, when needs are between the error-detecting of three-phase and four-line and the voltage transformer for electric power distribution network of phase three-wire three metering method
When switching over, switched over using three-phase transformer error detection unit.
9. voltage transformer for electric power distribution network metering performance integrated detection method according to claim 7, it is characterised in that three
The error-detecting wiring of the voltage transformer for electric power distribution network of the line metering method of phase four is respectively：A, B, C three-phase mode of connection are identical, with
A phase connections illustrate：
Standard current transformer is connected with subject current transformer primary circuit, and polar end connects, i.e. standard current transformer
P1A meet subject current transformer P1, the P2A of standard current transformer and meet subject current transformer P2；Standard current transformer
Secondary output end S1 and its non-polar end S6 short circuits；It is tested Current Transformer Secondary output end S1 and its non-polar end S2 short circuits；
The once high-end once high-end connection with subject voltage transformer of standard potential transformer, is tested the once low of voltage transformer
End ground connection, low side ground connection of standard potential transformer；The secondary terminals 2a of standard potential transformer and subject voltage transformer
Secondary terminals a connections, standard potential transformer secondary terminals n access three-phase transformer error detection unit terminal x1 and
K1, the secondary terminals 2a access three-phase transformer error detection unit terminal a1 of standard potential transformer, is tested voltage transformer
Secondary terminals n access three-phase transformer error detection unit terminal D, while be tested secondary terminals a and n points of voltage transformer
Not Jie Ru voltage load box terminal both ends.
10. power distribution network current transformer metering performance integrated detection method according to claim 8, it is characterised in that
The error-detecting wiring of the power distribution network current transformer of three-phase and four-line metering method is：A, B, C three-phase mode of connection are identical, with A
Phase connection illustrates：
Standard current transformer and subject current transformer primary circuit are connected, and polar end connects, i.e. standard current transformer
P1A meet subject current transformer P1, the P2A of standard current transformer and meet subject current transformer P2；Standard current transformer
Secondary output end S1 is connected with being tested the polar end S1 of current transformer, contact access three-phase transformer error detection unit
K1, the secondary output end Si of standard current transformer, the T01 of three-phase transformer error detection unit is accessed, be tested current transformer
Non-polar end S2 be connected with one end of current capacity case, the access three-phase transformer error detection of the other end of current capacity case is single
The Tx1 of member, the D ground connection of three-phase transformer error detection unit, now completes A phase connections.
11. voltage transformer for electric power distribution network metering performance integrated detection method according to claim 7, it is characterised in that
The error-detecting wiring of the voltage transformer for electric power distribution network of phase three-wire three metering method is respectively：With two during phase three-wire three metering method
Platform voltage transformer, two the high-end of voltage transformer meet A, C, another termination B phases, the wiring side of two voltage transformers respectively
Formula is identical, is illustrated with accessing the mutual inductor interstar connection of AB phases：Standard current transformer and subject current transformer primary circuit
Series connection, and polar end connects, i.e. the P1A of standard current transformer meets subject current transformer P1, the P2A of standard current transformer
Meet subject current transformer P2；The secondary output end S1 of standard current transformer and its non-polar end S6 short circuits, are tested Current Mutual Inductance
The secondary output end S1 of device and its non-polar end S2 short circuits；Once high-end and being tested voltage transformer the one of standard potential transformer
Secondary high-end connection, a low side of standard potential transformer are connected with being tested a low side of voltage transformer；Normal voltage is mutual
The secondary terminals 1a of sensor is connected with being tested the secondary terminals a of voltage transformer, the secondary terminals n accesses of standard potential transformer
Three-phase transformer error detection unit terminal x1 and k1, the secondary terminals 1a access three-phase transformer errors of standard potential transformer
Detection unit terminal a1, the secondary terminals n access three-phase transformer error detection unit terminal D of voltage transformer are tested, simultaneously
The secondary terminals a and n of subject voltage transformer are respectively connected to the high and low end of voltage load box terminal.
12. power distribution network current transformer metering performance integrated detection method according to claim 8, it is characterised in that
The error-detecting wiring of the power distribution network current transformer of three-phase and four-line metering method is：Current Mutual Inductance in the phase three-wire three mode of connection
Device only has A, C two-phase, and A, C two-phase mode of connection are identical, is illustrated with A phase connections：Standard current transformer and subject electric current
Transformer primary circuit is connected, and polar end connects, i.e. the P1A of standard current transformer connects subject current transformer P1, standard
The P2A of current transformer meets subject current transformer P2；The secondary output end S1 of standard current transformer and subject current transformer
Polar end S1 be connected, contact access three-phase transformer error detection unit k1, the secondary output end Si of standard current transformer,
The T01 of three-phase transformer error detection unit is accessed, is tested the non-polar end S2 of current transformer and one end of current capacity case
It is connected, the Tx1 of the other end access three-phase transformer error detection unit of current capacity case, three-phase transformer error detection unit
D ground connection, now complete A phase connections.
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