CN215415558U - Power transmission structure for replacing three-phase direct electric energy meter - Google Patents
Power transmission structure for replacing three-phase direct electric energy meter Download PDFInfo
- Publication number
- CN215415558U CN215415558U CN202121824226.5U CN202121824226U CN215415558U CN 215415558 U CN215415558 U CN 215415558U CN 202121824226 U CN202121824226 U CN 202121824226U CN 215415558 U CN215415558 U CN 215415558U
- Authority
- CN
- China
- Prior art keywords
- current transformer
- electric energy
- power transmission
- energy meter
- phase direct
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model relates to the technical field of electric power, in particular to a power transmission structure for replacing a three-phase direct type electric energy meter, which comprises an input port and an output port, wherein a current transformer A is arranged on one side of the input port, a current transformer B is arranged on one side of the output port, and the current transformer A and the current transformer B are connected through a connecting wire; the direct power transmission is converted, so that the normal metering without loss of electric quantity is realized in the process of changing the three-phase direct electric energy meter, and the meter changing instrument without power outage is light in weight and small in size.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to a power transmission structure for replacing a three-phase direct electric energy meter.
Background
The existing structure and the defects thereof are that the existing direct type uninterrupted power converter inputs power lines through direct parallel connection, because the maximum current of the direct type electric meter is 100A, the parallel power lines require to be thick (16 square), the situation of field meter change is complex, and the length of the parallel power lines is required to be long, so the weight and the volume of the equipment are larger.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a power transmission structure for replacing a three-phase direct type electric energy meter, which aims to conveniently and quickly replace the three-phase direct type electric energy meter (with a large current of 100A); through switching the power transmission of the direct type, the normal metering without electric quantity loss in the meter changing process of the three-phase direct type electric energy meter is achieved, and the meter changing instrument without power outage is light in weight and small in size.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a three-phase direct type electric energy meter trades power transmission structure of table, includes input port and output port, one side of input port is equipped with current transformer A, one side of output port is equipped with current transformer B, connect through the connecting wire between current transformer A and the current transformer B.
Preferably, the power line connected in parallel with the input port is sixteen square thick.
Preferably, the power line of the output port connected in parallel is sixteen square thick.
Preferably, the line thickness of the connecting line between the current transformer a and the current transformer B is three-thirds square.
Preferably, the length of the A line of the current transformer is 40 CM.
Preferably, the length of the B wire of the current transformer is 300 CM.
The technical scheme of the utility model has the following beneficial technical effects:
through switching the power transmission of the direct type, the normal metering without electric quantity loss in the meter changing process of the three-phase direct type electric energy meter is achieved, and the meter changing instrument without power outage is light in weight and small in size.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Reference numerals:
1. a current transformer A; 2. an input port; 3. a current transformer B; 4. an output port; 5. and connecting the wires.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The scheme of the power transmission structure for replacing the three-phase direct electric energy meter provided by the utility model is as follows:
refer to fig. 1.
The utility model provides a three-phase direct type electric energy meter trades power transmission structure of table, includes input port 2 and output port 4, one side of input port 2 is equipped with current transformer A1, one side of output port 4 is equipped with current transformer B3, connect through connecting wire 5 between current transformer A1 and the current transformer B3.
In an alternative embodiment, the power lines connected in parallel to the input port 2 are squared 16.
In an alternative embodiment, the output port 4 has a thick power line 16 squared in parallel.
In an alternative embodiment, the line thickness of the connecting line 5 between the current transformer a1 and the current transformer B3 is 1.5 square.
In an alternative embodiment, the current transformer a1 wire length is about 40 CM.
In an alternative embodiment, the current transformer B3 wire length is about 300 CM.
A thick power line is converted into a thin power line through a direct type large current to small current (100A: 5A ratio) mutual inductor design; the original direct type large current is restored through the design of the mutual inductor for converting the small current into the large current (the ratio of 5A to 100A), and the requirement of metering precision is met.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a three-phase direct type electric energy meter trades power transmission structure of table which characterized in that, includes input port (2) and output port (4), one side of input port (2) is equipped with current transformer A (1), one side of output port (4) is equipped with current transformer B (3), connect through connecting wire (5) between current transformer A (1) and the current transformer B (3).
2. The power transmission structure for changing the three-phase direct electric energy meter according to claim 1, wherein the power lines connected in parallel with the input port (2) are sixteen square thick.
3. The power transmission structure for changing the three-phase direct electric energy meter according to claim 1, wherein the power lines connected in parallel with the output port (4) are sixteen square thick.
4. The power transmission structure for exchanging the three-phase direct electric energy meter according to claim 1, wherein the line thickness of the connection line (5) between the current transformer A (1) and the current transformer B (3) is three-half square.
5. The power transmission structure for replacing the three-phase direct electric energy meter according to claim 1, wherein the length of the line of the current transformer A (1) is 40 CM.
6. The power transmission structure for replacing the three-phase direct electric energy meter according to claim 1, wherein the length of the line of the current transformer B (3) is 300 CM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121824226.5U CN215415558U (en) | 2021-08-05 | 2021-08-05 | Power transmission structure for replacing three-phase direct electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121824226.5U CN215415558U (en) | 2021-08-05 | 2021-08-05 | Power transmission structure for replacing three-phase direct electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215415558U true CN215415558U (en) | 2022-01-04 |
Family
ID=79657945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121824226.5U Active CN215415558U (en) | 2021-08-05 | 2021-08-05 | Power transmission structure for replacing three-phase direct electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215415558U (en) |
-
2021
- 2021-08-05 CN CN202121824226.5U patent/CN215415558U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203457066U (en) | T-type three-level photovoltaic grid-connected inverter | |
| CN201369679Y (en) | Electronic transformer for electric power line | |
| CN104333036B (en) | Multi-source coordination control system | |
| CN205160379U (en) | Integrative simulation tests electrical power generating system is straightened to high -power friendship | |
| CN110311381A (en) | A kind of alternating current-direct current mixing grid power electronic transformer passing through DC Line Fault | |
| CN110535137A (en) | A kind of intelligent energy system based on electric power electric transformer | |
| CN204465346U (en) | A kind of two-way soft switch transducer for photovoltaic energy storage system | |
| CN112653149A (en) | High-power electric energy router suitable for low-voltage distribution network | |
| CN207320834U (en) | A kind of circuit topological structure of alternating current-direct current mixing distribution system | |
| CN215415558U (en) | Power transmission structure for replacing three-phase direct electric energy meter | |
| CN109671344A (en) | A kind of topological structure for direct current transmission and distribution constructional dynamic simulation experimental system | |
| CN203312823U (en) | Self-coupling voltage regulating type reactive compensation device | |
| CN208433914U (en) | A kind of more level isolation type bidirectional DC/DC translation circuits | |
| CN108667271B (en) | Full-isolation type multiport current converter | |
| CN207442523U (en) | A kind of solar power system | |
| CN202872370U (en) | 3 to 35000 KV graded compensation type automatic voltage regulating device | |
| CN203405482U (en) | Test wire switching device | |
| CN102983578B (en) | Medium voltage distribution network reactive power counterbonification method | |
| CN109672194A (en) | A kind of single-phase ac power supply system | |
| CN201741991U (en) | Photovoltaic distribution cabinet | |
| CN204230927U (en) | A kind of direct-flow distribution system being applicable to electric automobile scale access | |
| CN102246403B (en) | Auxiliary power supply with bidirectional power supply | |
| CN214900206U (en) | Distributed dynamic reactive power compensation device | |
| CN203826783U (en) | 110kV substation wiring composite structure | |
| CN205265514U (en) | Converter power module, dc -to -ac converter and converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |