CN211453743U - High-voltage line metering complete device - Google Patents
High-voltage line metering complete device Download PDFInfo
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- CN211453743U CN211453743U CN201922483304.9U CN201922483304U CN211453743U CN 211453743 U CN211453743 U CN 211453743U CN 201922483304 U CN201922483304 U CN 201922483304U CN 211453743 U CN211453743 U CN 211453743U
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Abstract
The utility model discloses a high tension line measures integrated equipment, including current transformer, voltage transformer and control table case, current transformer, voltage transformer and control table case are from last down installing on the pole in proper order, and current transformer passes through the electric wire and is connected with A looks, the C of high-voltage conductor respectively, and voltage transformer and current transformer are connected through the binding post that secondary circuit and control table case correspond respectively. When using the utility model discloses when carrying out the high pressure measurement, from last down install current transformer, voltage transformer and control meter case on the pole in proper order, later be connected current transformer and high-voltage wire's A looks, C through the electric wire mutually, be connected voltage transformer and the last binding post that corresponds of control meter case through the secondary circuit. The device is suitable for high-voltage measurement in an alternating current 50-60Hz and 10kV power system, and can be installed on outdoor high-voltage lines in various environments; the device also has the advantages of small volume, convenient installation and maintenance and the like, and is suitable for popularization and application.
Description
Technical Field
The utility model relates to a measure integrated equipment, specific high-tension line measures integrated equipment that says so.
Background
Traditional high voltage (6 ~ 35kV) electric energy metering box comprises electromagnetic type current transformer, voltage transformer, intelligent ammeter and secondary wiring, and the whole installation realizes mainly used high-voltage electric energy measurement in stainless steel metering box, and the especially adapted is middle-size, small-size transformer user, and measurement active electric energy and reactive electric energy that can be complete accurate. But the electromagnetic high-voltage transformer has the defects of large volume (the equipment is heavy and about 100kg), difficult installation and the like, and the electromagnetic high-voltage transformer has explosion hidden trouble due to ferromagnetic resonance; in addition, the electric energy precision of the whole set of device is uncertainty, is equal to the sum of errors of the current transformer, the voltage transformer and the electric energy meter, and is also influenced by uncertain factors such as the precision of the current transformer, the voltage transformer and the electric energy meter, the secondary connection state of the current transformer, the voltage transformer and the electric energy meter, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-tension line measures integrated equipment to solve prior art not enough.
The utility model discloses a following technical scheme realizes:
the utility model provides a high tension line measures integrated equipment, includes current transformer, voltage transformer and control table case, and current transformer, voltage transformer and control table case are from last down installing on the pole in proper order, and current transformer passes through the electric wire and is connected with A looks, the C of high-voltage conductor respectively, and voltage transformer and current transformer are connected through the binding post that secondary circuit and control table case correspond respectively.
According to the metering complete device for the high-voltage line, the voltage transformer is an outdoor composite insulating metering voltage transformer.
According to the high-voltage line metering complete device, the drop-out switch is arranged above the voltage transformer and is installed on the electric pole, the drop-out switch is connected with the high-voltage lead through an electric wire, and the voltage transformer is connected with the drop-out switch through an electric wire.
According to the high-voltage line metering complete device, the current transformer is an overhead outdoor open current transformer.
A high voltage line gauging as described aboveThe secondary circuit adopts 2 × 2.5.5 mm2An electrical cable.
According to the high-voltage line metering complete device, the voltage transformer is fixed on an electric pole through a support.
The utility model has the advantages that: when the utility model is used for high-voltage metering, the current transformer, the voltage transformer and the control meter box are sequentially arranged on the electric pole from top to bottom, then the current transformer is connected with the A phase and the C phase of a high-voltage wire through electric wires, the voltage transformer is connected with the corresponding wiring terminal on the control meter box through a secondary circuit, and simultaneously the current transformer is connected with the corresponding wiring terminal on the control meter box through a secondary circuit, so that the high-voltage wire, the current transformer, the voltage transformer and the control meter box are connected through circuits to form the high-voltage circuit metering integrated device; the device is suitable for high-voltage measurement in an alternating current 50-60Hz and 10kV power system, and can be installed on outdoor high-voltage lines in various environments; the device also has the advantages of small volume, convenient installation and maintenance and the like, and is suitable for popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic assembly view of the present invention; FIG. 2 is a schematic diagram of a voltage transformer; fig. 3 is a schematic structural diagram of the current transformer.
Reference numerals: 1 high-voltage lead, 2 voltage transformers, 3 current transformers, 4 drop-out switches, 5 supports, 6 secondary circuits and 7 control meter boxes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, a high-voltage line measures integrated equipment, including current transformer 3, voltage transformer 2 and control table case 7, it has the kilowatt-hour meter to reserve in the control table case 7, control table mounted position, there is binding post row and secondary circuit 6 to be connected simultaneously, current transformer 3, voltage transformer 2 and control table case 7 are from last down installing on the pole in proper order, current transformer 3 is connected with A looks, the C of high-voltage line 1 respectively through the electric wire, voltage transformer 2 and current transformer 3 are connected with the binding post that control table case 7 corresponds through secondary circuit 6 respectively. When the utility model is used for high-voltage metering, the current transformer 3, the voltage transformer 2 and the control meter box 7 are sequentially arranged on the electric pole from top to bottom, then the current transformer 3 is connected with the A phase and the C phase of the high-voltage wire 1 through electric wires, the voltage transformer 2 is connected with the corresponding wiring terminal on the control meter box 7 through the secondary circuit 6, and meanwhile, the current transformer 3 is connected with the corresponding wiring terminal on the control meter box 7 through the secondary circuit 6, so that the high-voltage wire 1, the current transformer 3, the voltage transformer 2 and the control meter box 7 are connected through circuits to form a high-voltage circuit metering integrated device; the device is suitable for high-voltage measurement in an alternating current 50-60Hz and 10kV power system, and can be installed on outdoor high-voltage lines in various environments; the device also has the advantages of small volume, convenient installation and maintenance and the like, and is suitable for popularization and application.
Specifically, the voltage transformer 2 described in this embodiment is an outdoor composite insulation metering voltage transformer. The compound insulation measurement voltage transformer is small, the precision is high, can satisfy the utility model discloses a operation requirement.
Specifically, the current transformer 3 described in this embodiment is an overhead outdoor open current transformer. The overhead type is opened current transformer is small, simple to operate outdoors, can satisfy the utility model discloses an operation requirement.
Further, a drop-out switch 4 is arranged above the voltage transformer 2, the drop-out switch 4 is mounted on the electric pole, the drop-out switch 4 is connected with the high-voltage lead 1 through an electric wire, and the voltage transformer 2 is connected with the drop-out switch 4 through an electric wire. The voltage transformer 2 is convenient to be maintained in daily life by arranging the drop-out switch 4.
Furthermore, the secondary circuit 6 of the present embodiment is 2 × 2.5mm2The cable and the secondary line 6 adopt 2 × 2.5.5 mm2The cable can satisfy the utility model discloses a user demand.
Further, the voltage transformer 2 of the present embodiment is fixed on the electric pole through a bracket 5. The voltage transformer 2 is convenient to fix by means of the bracket 5, and the installation is convenient.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A high-voltage line measures complete sets of device which characterized in that: including current transformer (3), voltage transformer (2) and control table case (7), current transformer (3), voltage transformer (2) and control table case (7) are from last down installing on the pole in proper order, and current transformer (3) are connected with A looks, the C of high tension line (1) respectively through the electric wire, and voltage transformer (2) and current transformer (3) are connected with the binding post that control table case (7) correspond through secondary circuit (6) respectively.
2. A high voltage line metering kit as claimed in claim 1, wherein: the voltage transformer (2) is an outdoor composite insulation metering voltage transformer.
3. A high voltage line metering kit as claimed in claim 1, wherein: the current transformer (3) is an overhead outdoor open current transformer.
4. A high voltage line metering kit as claimed in claim 1, wherein: the transformer is characterized in that a drop-out switch (4) is arranged above the voltage transformer (2), the drop-out switch (4) is installed on an electric pole, the drop-out switch (4) is connected with the high-voltage lead (1) through an electric wire, and the voltage transformer (2) is connected with the drop-out switch (4) through an electric wire.
5. The metering complete set of device for the high-voltage line according to claim 1, characterized in that the secondary line (6) adopts 2 × 2.5.5 mm2An electrical cable.
6. A high voltage line metering kit as claimed in claim 1, wherein: the voltage transformer (2) is fixed on the electric pole through a support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483304.9U CN211453743U (en) | 2019-12-31 | 2019-12-31 | High-voltage line metering complete device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483304.9U CN211453743U (en) | 2019-12-31 | 2019-12-31 | High-voltage line metering complete device |
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| Publication Number | Publication Date |
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| CN211453743U true CN211453743U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922483304.9U Active CN211453743U (en) | 2019-12-31 | 2019-12-31 | High-voltage line metering complete device |
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| CN (1) | CN211453743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563005A (en) * | 2020-12-01 | 2021-03-26 | 贵州电网有限责任公司 | Low-voltage current transformer fixing device |
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2019
- 2019-12-31 CN CN201922483304.9U patent/CN211453743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563005A (en) * | 2020-12-01 | 2021-03-26 | 贵州电网有限责任公司 | Low-voltage current transformer fixing device |
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