CN205670501U - Three-phase four element combination transformer - Google Patents
Three-phase four element combination transformer Download PDFInfo
- Publication number
- CN205670501U CN205670501U CN201620544252.5U CN201620544252U CN205670501U CN 205670501 U CN205670501 U CN 205670501U CN 201620544252 U CN201620544252 U CN 201620544252U CN 205670501 U CN205670501 U CN 205670501U
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- CN
- China
- Prior art keywords
- coil
- electric current
- voltage transformer
- transformer
- insulation shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Three-phase four element combination transformer, including insulation shell.Two current transformers are had in insulation shell.Also have two voltage transformer coils of voltage transformer and two annular cores.Being arranged with the first measuring coil on first annular iron core, outer sheath is provided with voltage transformer first coil.Being arranged with power coil on second annular core, outer sheath is provided with the second measuring coil, and outer sheath is provided with voltage transformer the second coil.Two measuring coils are serially connected.Voltage transformer first coil and voltage transformer the second coil are three-phase V V wiring each other, and A, C phase concatenates electric current primary winding respectively, and the tie point of two voltage transformer coils connects the B terminals on insulation shell.Whole coils twice are corresponding with secondary terminals respectively to be connected.This transformer, by two current coils, two potential windings, is co-located in an insulation shell as four elements, compact conformation, can convenient in prepaying batch meter install.
Description
Technical field
The utility model belongs to combination transformer field, particularly to three-phase four element combination transformer.
Background technology
10kV high-voltage prepayment device is mainly used in the power consumer at below 6000kVA for the load, device and spatial load forecasting
Terminal or other controllers coordinate can realize spatial load forecasting, high pressure measurement, pre-payment and overload current protection, inrush current prevention time delay
Protection, short circuit fast tripping protection, the function such as anti-electricity-theft.Install additional GPRS network negative control terminal can realize in real time, timing meter reading, remotely
The function such as transmission or not, line loss analyzing.Comprise prime disconnecting switch, vacuum circuit breaker, metering current mulual inductor, metered voltage mutual
Sensor, separately need supply voltage transformer integrated.The transformer being wherein responsible for metering and the voltage transformer being responsible for power supply are
Independent component, is contained in ZW8 vacuum circuit breaker.Prepaying batch meter monoblock type combination transformer uses electric current, voltage one
Formula structure with power supply winding, by the key element metering electric current of prepayment metering, voltage transformer, power consumption pressure mutually
Sensor is integrated in one, and makes the light easy installation of whole prepaid devices.Inside take too many space, cause whole prepaid devices body
Long-pending excessively huge, structure is excessively complicated, is unfavorable for installing.
Utility model content
The purpose of this utility model is to provide three-phase four element combination transformer, and this transformer can be at prepaying batch meter
Interior convenient installation.
The technical scheme is that
Three-phase four element combination transformer, including insulation shell.
Technical points is:
The first electric current primary winding two ends in insulation shell connect terminal of first electric current respectively.
First electric current secondary coil and the first electric current primary winding are mutually sheathed.
Second electric current primary winding two ends connect terminal of second electric current respectively.
Second electric current secondary coil and the second electric current primary winding are mutually sheathed.
It is additionally provided with voltage transformer in insulation shell.
Voltage transformer includes voltage transformer first coil, first annular iron core, the second annular core and mutual induction of voltage
Device the second coil.
Being arranged with the first measuring coil on first annular iron core, the first measuring coil outer sheath is provided with voltage transformer first
Coil.
Being arranged with power coil on second annular core, power coil outer sheath is provided with the second measuring coil, the second measurement
Coil outer sheath is provided with voltage transformer the second coil.
First measuring coil and the second measuring coil are serially connected, and are connected as b point.
Voltage transformer first coil and voltage transformer the second coil are three-phase V-V wiring each other, mutual induction of voltage
The tie point of device first coil and voltage transformer the second coil connects the B terminals on insulation shell.
The other end of voltage transformer first coil connects terminal of the first electric current of inflow current.
The other end of voltage transformer the second coil connects terminal of the second electric current of inflow current.
First electric current secondary coil and the second electric current secondary coil are corresponding with secondary terminals respectively to be connected.
First measuring coil, the second measuring coil and power coil are corresponding with secondary terminals respectively to be connected.
Described insulation shell can be epoxy resin housing.
Described terminal of the first electric current and terminal of the second electric current are cylinder.
Equipped with installing plate bottom described insulation shell.
Have an advantage in that:
This transformer, by two current coils, two potential windings, is co-located on an insulation shell as four elements
In, compact conformation, can convenient in prepaying batch meter install.
Brief description
Fig. 1 is half sectional view of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is top view of the present utility model.
Fig. 5 is electrical schematic diagram of the present utility model.
Fig. 6 is two annular cores of voltage transformer, the structural representation in insulation shell of two transformer potential windings
Figure.
Detailed description of the invention
Three-phase four element combination transformer, including insulation shell 2.
The first electric current primary winding 3 two ends in insulation shell 2 connect terminal 1 of first electric current respectively.
First electric current secondary coil 4 and the first electric current primary winding 3 are mutually sheathed.
Second electric current primary winding two ends connect terminal 8 of second electric current respectively.
Second electric current secondary coil and the second electric current primary winding are mutually sheathed.
It is additionally provided with voltage transformer in insulation shell 2.
Voltage transformer includes voltage transformer first coil the 5th, first annular iron core the 9th, the second annular core 10 and voltage
Transformer the second coil 14.
Being arranged with the first measuring coil 11 on first annular iron core 9, the first measuring coil 11 outer sheath is provided with mutual induction of voltage
Device first coil 5.
Being arranged with power coil 13 on second annular core 10, power coil 13 outer sheath is provided with the second measuring coil 12,
Second measuring coil 12 outer sheath is provided with voltage transformer the second coil 14.
First measuring coil 11 and the second measuring coil 12 are serially connected, and are connected as b point.
Voltage transformer first coil 5 and voltage transformer the second coil 14 are three-phase V-V wiring each other, and voltage is mutual
The tie point of sensor first coil 5 and voltage transformer the second coil 14 connects the B terminals on insulation shell 2.
The other end of voltage transformer first coil 5 connects terminal 1(AP1 of the first electric current of inflow current).
The other end of voltage transformer the second coil 14 connects terminal 8(CP1 of the second electric current of inflow current).
First electric current secondary coil 4 and the second electric current secondary coil are corresponding with secondary terminals 7 respectively to be connected.
First measuring coil the 11st, the second measuring coil 12 and power coil 13 are corresponding with secondary terminals 7 respectively to be connected.
Described insulation shell 2 is epoxy resin housing.
Described terminal of the first electric current 1 and terminal of the second electric current are cylinder.
Equipped with installing plate 6 bottom described insulation shell 2.
Two voltage transformer coils do three-phase V-V wiring, and A, C phase concatenates electric current primary winding, transformer voltage respectively
Coil accesses voltage signal respectively from terminal of electric current.
Produce induced-current when electric current is by two electric current primary windings at two electric current secondary coils by mutual inductance respectively
Device secondary terminals 7 exports, and transformer is overall to be shaped by poured with epoxy resin insulation, bottom equipped with installing plate 6 at prepayment metering
Convenient installation in case.
Iron core of voltage transformer uses annular core, and reducing voltage transformer open circuit loss makes equipment stable operation.
Terminal of high pressure (terminal of four electric currents) uses cylindrical structural, can be with high pressure silica gel cable butting.
Built-in power winding (power coil 13), it is possible to provide to the power supply that mechanical operating mechanism is stable.
Electric current, voltage transformer coil use magnetic screen technique (can wrap up semiconductive crimped paper in outside, or be provided with half
Electro-conductive lacquer layer), the horizontal structure of level, reduce the space required when the built-in installation of high-pressure vacuum breaker.
Technical parameter: model: JLSZV-10Y6.
Voltage ratio: 10/0.1/0.22.
Voltage accuracy grade: 0.2/3.
Voltagerating output capacity: 20/500VA.
Current ratio: 5-600/5A.
Current precision grade: 0.2S.
Current rating output capacity: 10VA.
Frequency: 50/60Hz.
Type of device: indoor.
Claims (4)
1. three-phase four element combination transformer, including insulation shell (2)；It is characterized in that:
The first electric current primary winding (3) two ends in insulation shell (2) connect terminal (1) of first electric current respectively；
First electric current secondary coil (4) and the first electric current primary winding (3) are mutually sheathed；
Second electric current primary winding two ends connect terminal (8) of second electric current respectively；
Second electric current secondary coil and the second electric current primary winding are mutually sheathed；
Insulation shell is additionally provided with voltage transformer in (2)；
Voltage transformer includes voltage transformer first coil (5), first annular iron core (9), the second annular core (10) and electricity
Pressure transformer the second coil (14)；
Being arranged with the first measuring coil (11) on first annular iron core (9), it is mutual that the first measuring coil (11) outer sheath is provided with voltage
Sensor first coil (5)；
Being arranged with power coil (13) on second annular core (10), power coil (13) outer sheath is provided with the second measuring coil
(12), the second measuring coil (12) outer sheath is provided with voltage transformer the second coil (14)；
First measuring coil (11) and the second measuring coil (12) are serially connected, and are connected as b point；
Voltage transformer first coil (5) and voltage transformer the second coil (14) are three-phase V-V wiring each other, and voltage is mutual
The tie point of sensor first coil (5) and voltage transformer the second coil (14) connects the B terminals on insulation shell (2)；
The other end of voltage transformer first coil (5) connects terminal (1) of the first electric current of inflow current；
The other end of voltage transformer the second coil (14) connects terminal (8) of the second electric current of inflow current；
First electric current secondary coil (4) and the second electric current secondary coil are corresponding with secondary terminals (7) respectively to be connected；
First measuring coil (11), the second measuring coil (12) and power coil (13) are corresponding with secondary terminals (7) respectively to be connected.
2. three-phase four element combination transformer according to claim 1, it is characterised in that:
Described insulation shell (2) is epoxy resin housing.
3. three-phase four element combination transformer according to claim 1, it is characterised in that: the first described electric current is once held
Son (1) and terminal of the second electric current are cylinder.
4. three-phase four element combination transformer according to claim 1, it is characterised in that: described insulation shell (2) end
Portion is equipped with installing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620544252.5U CN205670501U (en) | 2016-06-07 | 2016-06-07 | Three-phase four element combination transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620544252.5U CN205670501U (en) | 2016-06-07 | 2016-06-07 | Three-phase four element combination transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205670501U true CN205670501U (en) | 2016-11-02 |
Family
ID=57191526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620544252.5U Expired - Fee Related CN205670501U (en) | 2016-06-07 | 2016-06-07 | Three-phase four element combination transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205670501U (en) |
-
2016
- 2016-06-07 CN CN201620544252.5U patent/CN205670501U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161102 Termination date: 20200607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |