CN206497828U - A kind of electronic current voltage transformer - Google Patents
A kind of electronic current voltage transformer Download PDFInfo
- Publication number
- CN206497828U CN206497828U CN201720176488.2U CN201720176488U CN206497828U CN 206497828 U CN206497828 U CN 206497828U CN 201720176488 U CN201720176488 U CN 201720176488U CN 206497828 U CN206497828 U CN 206497828U
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- Prior art keywords
- voltage transformer
- transformer
- divider
- voltage
- electronic current
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Abstract
The utility model is related to transformer and manufactures and designs field, particularly a kind of electronic current voltage transformer.Including being arranged at the current transformer on top and the electronic type voltage transformer of bottom, current transformer is fixedly installed on conductive metal pipe, including single measuring coil and electric current secondary singal output lead；Electronic type voltage transformer includes single high-voltage bleeder, and high-voltage bleeder is divider high-pressure side close to one end of measuring coil, and one end away from measuring coil is divider earth terminal, and divider earth terminal is connected with voltage secondary singal output lead；It is provided with the middle of the iron core of measuring coil on the through hole passed through for conductive metal pipe, conductive metal pipe and is cased with becket, becket is connected with conductive metal pipe reliable conductive, and is connected by stud with divider high-pressure side and conducts electric high pressure.This product is simple in construction, function admirable, efficiently solves the split type electric current of in the market, voltage transformer and installs the problems such as cumbersome, cost is high, performance difference is big.
Description
Technical field
The utility model is related to transformer technical field, more particularly to a kind of electronic current-voltage combination transformer.
Background technology
Transformer is measurement, monitoring, the equipment of relay protection in power system, is widely used in outdoor high-voltage vacuum and breaks
Road device.Because power system is improved constantly in terms of monitoring, control and protection to automation and intelligentized requirement, electronic type
Transformer effectively overcomes the shortcoming of conventional electromagnetic transformer, with small volume, lightweight, transient performance it is good, without ferromagnetic humorous
Shake, without magnetic saturation phenomenon, excellent insulating properties the advantages of, be adapted to electric power digital, intelligent and networking
Need.
At present, middle pressure 10kV current transformers are mainly using the design principle of micro energy lose iron-core coil and Rogowski coil.
10kV electronic type voltage transformers are mainly using the principle of electric resistance partial pressure or capacitance partial pressure or resistive-capacitive voltage divider.In the market
10kV current transformers, electronic type voltage transformer belong to stand-alone product, and product installs comparatively laborious, and cost of manufacture is higher, and
And the electronic mutual inductor performance difference occurred in market is larger.
Utility model content
It is not enough for more than, the electronic current voltage transformer that the utility model is provided, by current transformer and voltage
Transformer integration is designed, and is had two kinds of functions of Current Voltage concurrently, is efficiently solved problem above.
The technical solution of the utility model is：
A kind of electronic current voltage transformer, includes the current transformer and electronic type voltage transformer of integral type, its
Be characterised by, the current transformer is arranged at top and is fixedly installed on conductive metal pipe, including single measuring coil and
The electric current secondary singal output lead drawn from measuring coil；The electronic type voltage transformer is arranged at bottom, including single
High-voltage bleeder, the high-voltage bleeder is divider high-pressure side, one end away from measuring coil close to one end of measuring coil
For divider earth terminal, the divider earth terminal is connected with voltage secondary singal output lead；The iron core of the measuring coil
Centre is provided with the through hole passed through for hollow conductive metal pipe, the conductive metal pipe and the perpendicular structure of high-voltage bleeder, leads
Becket is cased with electric metal pipe, the becket is connected with conductive metal pipe reliable conductive, and by stud with
Divider high-pressure side connects and conducts electric high pressure；Filling insulating materials inside the electronic current voltage transformer, lower end with
Fairlead is connected, and the electric current secondary singal output lead and voltage secondary singal output lead are drawn through fairlead.
High-voltage bleeder and electric current the secondary singal output lead is parallel construction, and distance between the two is 2-
60mm, preferably 10-30mm.
The electronic current voltage transformer lower end sets ground connection barrier metal cover, and the ground connection barrier metal cover passes through
Earth stud is connected with divider earth terminal.
The insulating materials is electrically insulating silicone rubber or epoxy resin.
The becket material is that stainless steel, copper, aluminium, aluminium alloy, iron or silver any of are worked as.
The high-voltage bleeder is resitstance voltage divider or capacitive divider or RC divider.
The measuring coil is minicrystal iron core coil or silicon steel coil or Rogowski coil.
The fairlead is stainless steel tube.
Both are effectively combined by the utility model on the basis of ripe current transformer and electronic type voltage transformer
Together there is provided a kind of electronic current-voltage combination transformer, install simple with small volume, low manufacture cost, product
The advantages of；And the current transformer of this combined current-voltage transformer uses low-power consumption coil, voltage transformer uses high pressure
Voltage divider principle, has the advantages that high accuracy, small volume, lightweight.
Brief description of the drawings
Fig. 1 is the utility model electronic current voltage transformer front view；
Fig. 2 is Fig. 1 along line A-A schematic cross-section.
Embodiment
The technique effect of design of the present utility model, concrete structure and generation is made furtherly below with reference to accompanying drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Fig. 1 and Fig. 2 is the embodiment one and embodiment two of electronic current voltage transformer of the present utility model.
Embodiment one, with reference to Fig. 1 and Fig. 2, electronic current voltage transformer is that current transformer and electronic type voltage are mutual
Sensor, the current transformer is arranged at top, including minicrystal iron core measuring coil 11 and the electric current from the extraction of measuring coil 11
Secondary singal output lead 12；Survey and state electronic type voltage transformer and be arranged at bottom, including resitstance voltage divider 21, the resistance
Divider 21 is divider high-pressure side 211 close to one end of amount coil 11, and one end away from measuring coil 11 is grounded for divider
End 212, the divider earth terminal 212 is connected with voltage secondary singal output lead 213；
Electronic current voltage transformer is using a punching bus-type structure, and Primary Conductor is through current transformer
The hollow conductive metal pipe 3 of the through hole 13 of measuring coil 11, the conductive metal pipe 3 and the perpendicular structure of high-voltage bleeder 21,
It is cased with metal aluminium ring 31, the metal aluminium ring 31 that there is screwed hole on conductive metal pipe 3, passes through bolt and conductive metal pipe 13
Reliable conductive is connected, and metal aluminium ring 31 is connected with divider high-pressure side 211 by stud post 32 and conducts electric high pressure；
Electrically insulating silicone rubber is filled at the electronic current voltage transformer internal voids, lower end is connected with stainless steel tube 34, the electricity
Stream secondary singal output lead 12 and voltage secondary singal output lead 213 are drawn through stainless steel tube 34.
Electronic current voltage transformer lower end sets ground connection barrier metal cover 22, and the ground connection barrier metal cover 22 passes through
Earth stud 23 is connected with divider earth terminal 212.High-voltage bleeder 21 is parallel with electric current secondary singal output lead 12
Structure, distance between the two is 10mm.
Embodiment two, referring still to Fig. 1 and Fig. 2, electronic current voltage transformer is current transformer and electronic type electricity
Transformer is pressed, the current transformer is arranged at top, including silicon steel core measuring coil 11 and drawn from measuring coil 11
Electric current secondary singal output lead 12；The electronic type voltage transformer is arranged at bottom, including capacitive divider 21, the electricity
It is divider high-pressure side 211 to hold divider 21 close to one end of measuring coil 11, and one end away from measuring coil 11 is divider
Earth terminal 212, the divider earth terminal 212 is connected with voltage secondary singal output lead 213；
Electronic current voltage transformer is using a punching bus-type structure, and Primary Conductor is through current transformer
The hollow conductive metal pipe 3 of the through hole 13 of measuring coil 11, the conductive metal pipe 3 and the perpendicular structure of high-voltage bleeder 21,
It is cased with metal iron hoop 31, the metal iron hoop 31 that there is screwed hole on conductive metal pipe 3, passes through bolt and conductive metal pipe 13
Reliable conductive is connected, and metal iron hoop 31 is connected with divider high-pressure side 211 by stud post 32 and conducts electric high pressure；
Epoxy resin is filled at the electronic current voltage transformer internal voids, lower end is connected with stainless steel tube 34, the electric current
Secondary singal output lead 12 and voltage secondary singal output lead 213 are drawn through stainless steel tube 34.
Electronic current voltage transformer lower end sets ground connection barrier metal cover 22, and the ground connection barrier metal cover 22 passes through
Earth stud 23 is connected with divider earth terminal 212.High-voltage bleeder 21 is parallel with electric current secondary singal output lead 12
Structure, distance between the two is 20mm.
Measuring coil of the present utility model is low-power consumption coil, and with very high measurement accuracy, voltage uses high pressure partial pressure
Principle, with high accuracy, small volume, it is lightweight the features such as.Electronic current voltage combined instrument transformer of the present utility model has
Effect solves 10KV current transformers in the market and voltage transformer product and installs that cumbersome, cost of manufacture is high, performance difference
Big the problems such as, a kind of new-style electronic Current Voltage combination transformer of function admirable is provided for market.
Disclosed above is only embodiment of the present utility model, and still, the utility model is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection domain of the present utility model.
Claims (9)
1. a kind of electronic current voltage transformer, including current transformer and electronic type voltage transformer, it is characterised in that institute
Current transformer is stated to be arranged at top and be fixedly installed in conductive metal pipe（3）On, including single measuring coil（11）With from survey
Measure coil（11）The electric current secondary singal output lead of extraction（12）；The electronic type voltage transformer is arranged at bottom, including
Single high-voltage bleeder（21）, the high-voltage bleeder（21）Close to measuring coil（11）One end be divider high-pressure side
（211）, away from measuring coil（11）One end be divider earth terminal（212）, the divider earth terminal（212）It is connected with electricity
Press secondary singal output lead（213）；The measuring coil（11）Iron core in the middle of be provided with supply the conductive metal pipe（3）Pass through
Through hole（13）, conductive metal pipe（3）With high-voltage bleeder（21）Perpendicular structure, conductive metal pipe（3）On be cased with metal
Ring（31）, the becket（31）With conductive metal pipe（3）Reliable conductive is connected, and passes through stud（32）With partial pressure
Device high-pressure side（211）Connect and conduct electric high pressure；Insulating materials is filled at the electronic current voltage transformer internal voids
（33）, lower end and fairlead（34）Connection, the electric current secondary singal output lead（12）With voltage secondary singal output lead
（213）Through fairlead（34）Draw.
2. electronic current voltage transformer as claimed in claim 1, it is characterised in that the high-voltage bleeder（21）And electricity
Flow secondary singal output lead（12）For parallel construction, distance between the two is 2-60mm.
3. electronic current voltage transformer as claimed in claim 2, it is characterised in that the high-voltage bleeder（21）And electricity
Flow secondary singal output lead（12）The distance between be 10-30mm.
4. electronic current voltage transformer as claimed in claim 1, it is characterised in that, the electronic current voltage is mutual
Sensor lower end sets ground connection barrier metal cover（22）, the ground connection barrier metal cover（22）Pass through earth stud（23）With divider
Earth terminal（212）It is connected.
5. electronic current voltage transformer as claimed in claim 1, it is characterised in that the insulating materials（33）For insulation
Silicon rubber or epoxy resin.
6. electronic current voltage transformer as claimed in claim 1, it is characterised in that the becket（31）Material is not
Rust steel, copper, aluminium, aluminium alloy, iron or silver any of are worked as.
7. electronic current voltage transformer as claimed in claim 1, it is characterised in that the high-voltage bleeder（21）For electricity
Hinder divider or capacitive divider or RC divider.
8. electronic current voltage transformer as claimed in claim 1, it is characterised in that the measuring coil（11）For crystallite
Iron-core coil or silicon steel coil or Rogowski coil.
9. electronic current voltage transformer as claimed in claim 1, it is characterised in that the fairlead（34）For stainless steel
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176488.2U CN206497828U (en) | 2017-02-27 | 2017-02-27 | A kind of electronic current voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176488.2U CN206497828U (en) | 2017-02-27 | 2017-02-27 | A kind of electronic current voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497828U true CN206497828U (en) | 2017-09-15 |
Family
ID=59806702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720176488.2U Expired - Fee Related CN206497828U (en) | 2017-02-27 | 2017-02-27 | A kind of electronic current voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206497828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145979A (en) * | 2020-01-18 | 2020-05-12 | 保定市硕成科技有限公司 | Electronic current-voltage transformer |
-
2017
- 2017-02-27 CN CN201720176488.2U patent/CN206497828U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145979A (en) * | 2020-01-18 | 2020-05-12 | 保定市硕成科技有限公司 | Electronic current-voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 |