CN109342987A - A kind of combined instrument transformer calibration equipment in included boosting up-flow source - Google Patents
A kind of combined instrument transformer calibration equipment in included boosting up-flow source Download PDFInfo
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- CN109342987A CN109342987A CN201811476081.7A CN201811476081A CN109342987A CN 109342987 A CN109342987 A CN 109342987A CN 201811476081 A CN201811476081 A CN 201811476081A CN 109342987 A CN109342987 A CN 109342987A
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- 238000004804 winding Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000012795 verification Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01R35/007—Standards or reference devices, e.g. voltage or resistance standards, "golden references"
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Abstract
The present invention provides a kind of combined instrument transformer calibration equipments in included boosting up-flow source, including cabinet, single-phase standard current transformer, single-phase rising current transformer, single-phase step-up transformer, single-phase standard potential transformer are set in cabinet, primary connection terminal and switching device are set on cabinet, and cabinet setting is used for the terminal plate of wiring；Single-phase standard current transformer, single-phase rising current transformer, single-phase step-up transformer, single-phase standard potential transformer a line end connect with primary connection terminal；Single-phase standard current transformer, single-phase rising current transformer, single-phase step-up transformer, single-phase standard potential transformer secondary line end connect with terminal plate.The device combines three single-phase standard current transformers, three single-phase standard potential transformers, three step-up transformers, three rising current transformers, reduces occupied space, and connecting terminal and terminal plate is arranged, convenient for operation.
Description
Technical field
The present invention relates to power domain, especially a kind of included boosting for detecting to combination transformer flows up source
Calibration equipment.
Background technique
In the prior art, well known technology be when testing at present to combination transformer when detecting current error only
Access a phase current mutual inductor, only access a phase voltage mutual inductor when detecting voltage error, the condition of the detection method with combine
The condition that three-phase current winding and three-phase voltage winding access simultaneously when mutual inductor actual motion is inconsistent, leads to the inspection of single plane method
Surveying result not can accurately reflect the actual error situation of combination transformer.If three-phase is detected simultaneously, due to each phase electricity
Stream winding and voltage winding access, so that wiring is more, setting up time is long, seriously affects calibrating efficiency, improves and is produced into
This.This is existing deficiencies in the technology.
Summary of the invention
The purpose of the present invention is to deficiencies of the prior art, and provide a kind of group in included boosting up-flow source
Combined mutual inductor calibration equipment, can be used as three-phase voltage and electric current power frequency ratio standard, and the device is by three single-phase standard electrics
Current transformer, three single-phase standard potential transformers, three step-up transformers, three rising current transformers are combined, and are reduced
Occupied space, and connecting terminal and terminal plate are set, convenient for operation.
This programme is achieved by the following technical measures: a kind of combined instrument transformer school in included boosting up-flow source
Experiment device, including cabinet, be arranged in cabinet single-phase standard current transformer, single-phase rising current transformer, single-phase step-up transformer,
Single-phase standard potential transformer, is arranged primary connection terminal and switching device on cabinet, and cabinet setting is used for the wiring of wiring
Plate；Single-phase standard current transformer, single-phase rising current transformer, single-phase step-up transformer, single-phase standard potential transformer it is primary
Line end is connect with primary connection terminal；It is single-phase standard current transformer, single-phase rising current transformer, single-phase step-up transformer, single-phase
The secondary line end of standard potential transformer is connect with terminal plate.Single-phase standard current transformer and single-phase up-flow are set in cabinet
Transformer can have single-phase step-up transformer and single-phase normal voltage mutual inductance to the verification in terms of combination transformer progress electric current
Device, so that it may the verification in terms of carrying out voltage to combination transformer；Above-mentioned mutual inductor and transformer is arranged in cabinet, drop
The cost of low production, installation, and the occupied space of equipment is reduced, connecting terminal and terminal plate are set on cabinet, in this way
Wiring is carried out when facilitating verification.The bottom of box is provided with mobile base, whole device easy to remove in this way, carries out verification work
Make.
The single-phase standard current transformer is three, and single-phase rising current transformer is three, and single-phase step-up transformer is
Three, single-phase standard potential transformer be three, primary connection terminal be 12, the one of each single-phase standard current transformer
Secondary line both ends are connect with two primary connection terminals respectively, and single-phase rising current transformer and a single-phase standard current transformer are one by one
It is corresponding, and corresponding single-phase rising current transformer and single-phase standard current transformer share primary line, single-phase rising current transformer is single
Phase standard current transformer provides up-flow source, the secondary line connecting terminal and single-phase rising current transformer of single-phase standard current transformer
Secondary line connecting terminal be arranged on terminal plate；Above-mentioned mutual inductor and transformer is three, in this way can be right simultaneously
Three-phase is verified, the error for avoiding single-phase verification from generating.The included boosting up-flow source of such combined type is set in cabinet
Three-phase voltage and electric current power frequency ratio standard can carry out voltage to three-phase combination transformer simultaneously simultaneously and current error verify.
The primary line both ends of each single-phase standard potential transformer are connect with two primary connection terminals respectively, single-phase step-up
Transformer and single-phase standard potential transformer correspond, and corresponding single-phase step-up transformer and single-phase standard potential transformer
Primary line is shared, single-phase step-up transformer provides boosting source for single-phase standard potential transformer, single-phase standard potential transformer
The secondary line connecting terminal of secondary line connecting terminal and single-phase step-up transformer is arranged on terminal plate.Using shared primary
Line is both convenient for wiring in this way, while being also convenient for being verified.
Three single-phase standard current transformers arrange in a triangle, and three single-phase rising current transformers arrange in a triangle, and three
A single-phase step-up transformer arranges in a triangle, and three single-phase standard potential transformers arrange in a triangle, further in compression
Portion space, convenient for the influence between internal wiring and reduction electric current and voltage, between voltage and voltage, between electric current and electric current.
Plane where all isosceles triangles is arranged parallel to each other, and further avoids interference, while saving space；Three single-phase marks
Quasi- current transformer and three single-phase standard potential transformers are separately positioned on cabinet two sides, in single-phase standard current transformer and
Single-phase step-up transformer is set between single-phase standard potential transformer, in single-phase step-up transformer and single-phase standard current transformer
Between single-phase rising current transformer is set, reduce and interfere with each other, the terminal plate be two, the first terminal plate be arranged in cabinet
Close to three single-phase standard current transformers side, the second terminal plate setting it is mutual close to three single-phase normal voltages in cabinet
The side of sensor, the secondary line connecting terminal of single-phase standard current transformer and the secondary line connecting terminal of single-phase rising current transformer
Be arranged on the first terminal plate, the secondary line connecting terminal of single-phase standard potential transformer and single-phase step-up transformer it is secondary
Line connecting terminal is arranged on the second terminal plate, in this way design terminal plate, avoids wiring in the process by line wrong, and
When verification, it is also convenient for staff and carries out line.
Switching device includes actuating mechanism and contact base, and actuating mechanism includes the push-rod electric machine with push rod, contact base packet
Insulating bar and the contact for powering to connecting terminal are included, contact is matched with connecting terminal, is fixed between contact by insulating bar
Connection, push-rod electric machine push contact base by push rod.Push-rod electric machine pushes contact base to realize that contact is connect with connecting terminal, carries out
Verification, after verification, contact base retreats under the action of push rod, the separation of contact and connecting terminal is realized, in real work
In, also can be set as needed the connection of contact and connecting terminal, also can according to need directly by triple line directly with connect
Binding post in line terminals is attached.
Centre tap is arranged in single-phase standard current transformer first winding.User can select not according to mutual inductor ratio difference
Same tap measures, and facilitates live use.
Single-phase standard potential transformer and single-phase step-up transformer are fixed on flange by stainless steel plate, and flange is fixed on case
It on body, is connected and fixed between the potential winding and iron core of single-phase step-up transformer by insulating cylinder, stainless steel plate can use 0.5mm
Thickness is easily installed fixation in this way, and volume reduces, and mitigates overall weight.Cabinet, single-phase standard current transformer, single-phase up-flow
Transformer, single-phase normal voltage voltage transformer are filled with dielectric between single-phase step-up transformer, dielectric SF6,
Overall weight can be mitigated in this way.
It can be seen that compared with prior art, the present invention implementing with substantive distinguishing features outstanding and significant progress
Beneficial effect be also obvious.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention.
Fig. 2 is the top view of the present apparatus.
Fig. 3 is the side view of the present apparatus.
Fig. 4 is the sectional view of the present apparatus
In figure, 1 is primary connection terminal, and 2 be cabinet, and 3 be single-phase standard current transformer, and 4 be single-phase rising current transformer, and 5 are
First terminal plate, 6 be push-rod electric machine, and 61 be contact, and 62 be insulating bar, and 63 be push rod, and 7 be the second terminal plate, and 8 be single-phase step-up
Transformer, 9 be single-phase standard potential transformer, and 10 mobile bases, 11 be stainless steel plate, and 12 be flange.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by a specific embodiment, and its attached drawing is combined, it is right
This programme is illustrated.
By attached drawing as can be seen that the included boosting of this programme flows up the combined instrument transformer calibration equipment in source, including case
Single-phase standard current transformer 3, single-phase rising current transformer 4, single-phase step-up transformer 8, single-phase standard is arranged in body 2 in cabinet 2
Voltage transformer 9, is arranged primary connection terminal 1 and switching device on cabinet 2, and the setting of cabinet 2 is used for the terminal plate of wiring；It is single
Phase standard current transformer 3, single-phase rising current transformer 4, single-phase step-up transformer 8, single-phase standard potential transformer 9 primary line
End is connect with primary connection terminal 1；Single-phase standard current transformer 3, single-phase rising current transformer 4, single-phase step-up transformer 8, list
The secondary line end of phase standard potential transformer 9 is connect with terminal plate.Cabinet 2, single-phase standard current transformer 3, single-phase up-flow become
Depressor 4, single-phase normal voltage voltage transformer 9 are filled with dielectric between single-phase step-up transformer 8, and dielectric is
SF6.2 bottom of cabinet is provided with mobile base 10, and multiple idler wheels are arranged on the bottom surface of mobile base 10, easy to remove whole in this way
A calibration equipment.
Single-phase standard current transformer 3 is three, and single-phase rising current transformer 4 is three, and single-phase step-up transformer 8 is three
A, single-phase standard potential transformer 9 is three, combines cost apparatus, the i.e. three-phase electricity in the included boosting up-flow source of composition combined type
Pressure and electric current power frequency ratio standard are used for verifying work, and primary connection terminal 1 is 12, each single-phase normalized current mutual inductance
The primary line both ends of device 3 are connect with two 1 sons of primary connection end respectively, single-phase rising current transformer 4 and a single-phase normalized current
Mutual inductor 3 corresponds, and corresponding single-phase rising current transformer 4 and single-phase standard current transformer 3 share primary line, single-phase mark
The secondary line connecting terminal of quasi- current transformer 3 and the secondary line connecting terminal of single-phase rising current transformer 4 are arranged at terminal plate
On；The primary line both ends of each single-phase standard potential transformer 9 are connect with two primary connection terminals 1 respectively, single-phase standard electric
The 3 primary line both ends at the primary line both ends and single-phase standard current transformer of pressing mutual inductor 9 do not use identical primary connection end
Son, single-phase step-up transformer 8 and single-phase standard potential transformer 9 correspond, and corresponding single-phase step-up transformer 8 with it is single-phase
Standard potential transformer 9 shares primary line, the secondary line connecting terminal and single-phase step-up transformer of single-phase standard potential transformer 9
8 secondary line connecting terminal is arranged on terminal plate, and centre tap is arranged in single-phase 3 first winding of standard current transformer.
Three single-phase standard current transformers 3 arrange in a triangle, and three single-phase rising current transformers 4 arrange in a triangle,
Rising current transformer and single-phase standard current transformer correspond, and three single-phase step-up transformers 8 arrange in a triangle, three lists
Phase standard potential transformer 9 arranges in a triangle, and step-up transformer and standard potential transformer correspond, single-phase normalized current
Mutual inductor 3 and single-phase standard potential transformer 9 are separately positioned on 2 two sides of cabinet, in single-phase standard current transformer 3 and single-phase mark
Single-phase step-up transformer 8 is set between quasi- voltage transformer 9, single-phase step-up transformer 8 and single-phase standard current transformer 3 it
Between single-phase rising current transformer 4 is set.The single-phase 3 place plane of standard current transformer of three arranged in a triangle and three it is single-phase
4 place plane of rising current transformer is parallel, three single-phase 8 place planes of standard potential transformer and three single-phase step-up transformers 9
Place plane is parallel, and three single-phase 3 place planes of standard current transformer are flat with three 8 place planes of single-phase step-up transformer
Row.
The terminal plate is two, and the close single-phase standard current transformer 3 of cabinet 2 is arranged in the first terminal plate 5
Cabinet 2 is arranged in close to the side of single-phase standard potential transformer 9, single-phase standard current transformer 3 in side, the second terminal plate 7
Secondary line connecting terminal and the secondary line connecting terminal of single-phase rising current transformer 4 be arranged on the first terminal plate 5, single-phase mark
The secondary line connecting terminal of quasi- voltage transformer 9 and the secondary line connecting terminal of single-phase step-up transformer 8 are arranged at second and connect
On line plate 7.
Switching device includes actuating mechanism and contact base, and actuating mechanism includes the push-rod electric machine 6 with push rod 63, contact base
Contact 61 including insulating bar 62 and for powering to primary connection terminal, contact 61 are matched with primary connection terminal 1, contact
Quantity can be set according to actual needs, and such as 3,6,9,12；It is solid by insulating bar 62 between contact 61
Fixed connection, push-rod electric machine 6 push contact base by push rod 63.Single-phase standard potential transformer 9 is with single-phase step-up transformer 8 by not
Rust steel plate 11 is fixed on flange 12, stainless steel plate 11 realize single-phase rising current transformer 4 and single-phase step-up transformer 8 every
From flange 12 is fixed on cabinet 2, is connected and fixed between the potential winding and iron core of single-phase step-up transformer 8 by insulating cylinder.
The present invention is not limited in above-mentioned specific embodiment, and those of ordinary skill in the art are in essential scope of the invention
The variations, modifications, additions or substitutions inside made, also should belong to protection scope of the present invention.
Claims (9)
1. a kind of combined instrument transformer calibration equipment in included boosting up-flow source, including cabinet (2), it is characterized in that: in cabinet (2)
It is interior that single-phase standard current transformer (3), single-phase rising current transformer (4), single-phase step-up transformer (8), single-phase normal voltage are set
Mutual inductor (9), is arranged primary connection terminal (1) and switching device on cabinet (2), and cabinet (2) setting is used for the wiring of wiring
Plate；Single-phase standard current transformer (3), single-phase rising current transformer (4), single-phase step-up transformer (8), single-phase normal voltage mutual inductance
Line end of device (9) is connect with primary connection terminal (1)；Single-phase standard current transformer (3), single-phase rising current transformer (4),
Single-phase step-up transformer (8), single-phase standard potential transformer (9) secondary line end connect with terminal plate.
2. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 1, it is characterized in that: described
Single-phase standard current transformer (3) is three, and single-phase rising current transformer (4) is three, and single-phase step-up transformer (8) is three,
Single-phase standard potential transformer (9) is three, and primary connection terminal (1) is 12, each single-phase standard current transformer (3)
Primary line both ends connect respectively with two primary connection terminals (1), single-phase rising current transformer (4) and a single-phase normalized current
Mutual inductor (3) corresponds, and corresponding single-phase rising current transformer (4) and single-phase standard current transformer (3) share primary line,
Single-phase rising current transformer provides up-flow source for single-phase standard current transformer, and the secondary line of single-phase standard current transformer (3) connects
The secondary line connecting terminal of line terminals and single-phase rising current transformer (4) is arranged on terminal plate；
The primary line both ends of each single-phase standard potential transformer (8) are connect with two primary connection terminals (1) respectively, single-phase liter
Pressure transformer (8) and single-phase standard potential transformer (9) correspond, and corresponding single-phase step-up transformer (8) and single-phase mark
Quasi- voltage transformer (9) shares primary line, and single-phase step-up transformer provides boosting source, single-phase mark for single-phase standard potential transformer
The secondary line connecting terminal of quasi- voltage transformer (9) and the secondary line connecting terminal of single-phase step-up transformer (8) are arranged at and connect
On line plate.
3. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 2, it is characterized in that: three lists
Phase standard current transformer (3) arranges in a triangle, and three single-phase rising current transformers (4) arrange in a triangle, three single-phase liters
Pressure transformer (8) arranges in a triangle, and three single-phase standard potential transformers (9) arrange in a triangle, and single-phase normalized current is mutual
Sensor (3) and single-phase standard potential transformer (9) are separately positioned on cabinet (2) two sides, in single-phase standard current transformer (3) and
Single-phase step-up transformer (8) are set between single-phase standard potential transformer (9), in single-phase step-up transformer (8) and single-phase standard
Single-phase rising current transformer (4) are set between current transformer (3).
4. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 3, it is characterized in that: described
Terminal plate is two, and the first terminal plate (5) is arranged the side in cabinet (2) close to single-phase standard current transformer (3), second
Terminal plate (7) setting in cabinet close to the side of single-phase standard potential transformer (9), the two of single-phase standard current transformer (3)
The secondary line connecting terminal of secondary line connecting terminal and single-phase rising current transformer (4) is arranged on the first terminal plate (5), single-phase mark
The secondary line connecting terminal of quasi- voltage transformer (9) and the secondary line connecting terminal of single-phase step-up transformer (8) are arranged at
On two terminal plates (7).
5. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 1, it is characterized in that: switching dress
It sets including actuating mechanism and contact base, actuating mechanism includes the push-rod electric machine (6) with push rod (63), and contact base includes insulating bar
(62) it is matched with the contact (61) for powering to primary connection terminal (1), contact (61) with primary connection terminal (1), contact
(61) it is fixedly connected between by insulating bar (62), push-rod electric machine (6) pushes contact base by push rod (63).
6. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 1, it is characterized in that: single-phase mark
Centre tap is arranged in quasi- current transformer (3) first winding.
7. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 1, it is characterized in that: single-phase mark
Quasi- voltage transformer (9) and single-phase step-up transformer (8) are fixed on flange (12) by stainless steel plate (11), and flange (12) is fixed
On cabinet (2), it is connected and fixed between the potential winding and iron core of single-phase step-up transformer (8) by insulating cylinder.
8. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 1, it is characterized in that: cabinet
(2), single-phase standard current transformer (3), single-phase rising current transformer (4), single-phase normal voltage voltage transformer (9), single-phase liter
Dielectric, dielectric SF6 are filled between pressure transformer (8).
9. the combined instrument transformer calibration equipment in included boosting up-flow source according to claim 1, it is characterized in that: cabinet
(2) bottom is provided with mobile base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476081.7A CN109342987B (en) | 2018-12-04 | 2018-12-04 | Combined transformer verification device with boosting and boosting sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476081.7A CN109342987B (en) | 2018-12-04 | 2018-12-04 | Combined transformer verification device with boosting and boosting sources |
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| Publication Number | Publication Date |
|---|---|
| CN109342987A true CN109342987A (en) | 2019-02-15 |
| CN109342987B CN109342987B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811476081.7A Active CN109342987B (en) | 2018-12-04 | 2018-12-04 | Combined transformer verification device with boosting and boosting sources |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693926A (en) * | 2020-07-20 | 2020-09-22 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Voltage transformer calibration system |
| CN114609573A (en) * | 2022-03-25 | 2022-06-10 | 山东泰开检测有限公司 | Inflatable armoured combined mutual inductor calibrating device |
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| CN209432993U (en) * | 2018-12-04 | 2019-09-24 | 山东泰开互感器有限公司 | A kind of combined instrument transformer calibration equipment in included boosting up-flow source |
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| CN111693926A (en) * | 2020-07-20 | 2020-09-22 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Voltage transformer calibration system |
| CN114609573A (en) * | 2022-03-25 | 2022-06-10 | 山东泰开检测有限公司 | Inflatable armoured combined mutual inductor calibrating device |
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Effective date of registration: 20240731 Address after: No. 11526 Longtan South Road, New District, Tai'an City, Shandong Province, 271000 Patentee after: SHANDONG TAIKAI TRANSFORMER Co.,Ltd. Country or region after: China Patentee after: Shandong taikai Testing Co.,Ltd. Patentee after: SHANDONG TAIKAI POWER ELECTRIC Co.,Ltd. Address before: 271000 No. 11526 Longtan South Road, Taian High-tech Zone, Shandong Province Patentee before: SHANDONG TAIKAI TRANSFORMER Co.,Ltd. Country or region before: China |