CN209571760U - A kind of unilateral side PT automation switch installing structure - Google Patents
A kind of unilateral side PT automation switch installing structure Download PDFInfo
- Publication number
- CN209571760U CN209571760U CN201920535634.5U CN201920535634U CN209571760U CN 209571760 U CN209571760 U CN 209571760U CN 201920535634 U CN201920535634 U CN 201920535634U CN 209571760 U CN209571760 U CN 209571760U
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- China
- Prior art keywords
- switch
- disconnecting switch
- electric wire
- cable
- band iron
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Abstract
The utility model provides a kind of unilateral side PT automation switch installing structure, it include: the first electric wire strut and the second electric wire strut, mounting rack is installed between first electric wire strut and the second electric wire strut, PT vacuum switch is installed on mounting rack, PT vacuum switch center of top is equipped with exposed voltage transformer, the first wiring band iron and the second wiring band iron are provided at left and right sides of voltage transformer, the first wiring band iron on PT vacuum switch is connect by cable with the first disconnecting switch, pass through cable connection between the input terminal of first disconnecting switch and the first arrester, the second wiring band iron on PT vacuum switch is connect by cable with the second disconnecting switch, pass through cable connection between the input terminal of second disconnecting switch and the second arrester, the output end of first disconnecting switch and the second disconnecting switch pass through respectively cable with High-voltage output line connection on the code of street.This unilateral side PT automates switch installing structure, and construction is simple can effectively improve the protection to PT power supply.
Description
Technical field
The utility model relates to technical field of electric power construction, and in particular to a kind of unilateral side PT automation switch installing structure.
Background technique
PT is the easy initiation resonance such as typical inductive element and line mutual-ground capacitor and damages as common power supply
Equipment.Since power circuit is over the ground there is distribution capacity, and distribution capacity be easy to be formed with inductive elements such as PT it is ferromagnetic humorous
Vibration overvoltage, the amplitude of overvoltage is up to 3-4Umax, and overvoltage is to electrical equipment especially as the small element of PT one kind causes seriously
Fever directly burn out, or first occur turn-to-turn short circuit make high pressure into it is secondary, cause second short circuit again to burn out the elements such as PT, this is
Cause one of the main reason for PT is damaged on distribution line.
In high pressure delivery circuit, the installation automatic Switching of PT can effectively reduce the elements such as PT and burn out, but how close
The mounting structure of the automatic Switching of layout PT of reason is problem to be solved in current industry.
Utility model content
Aiming at the shortcomings in the prior art, the utility model provides a kind of unilateral side PT automation switch installing structure, applies
Work is simple, can effectively improve the protection to PT power supply.
To realize above-mentioned technical proposal, the utility model provides a kind of unilateral side PT automation switch installing structure, comprising:
First electric wire strut and the second electric wire strut, are equipped with mounting rack between the first electric wire strut and the second electric wire strut, institute
It states and PT vacuum switch is installed on mounting rack, the PT vacuum switch center of top is equipped with exposed voltage transformer (PT),
Be provided with the first wiring band iron and the second wiring band iron at left and right sides of voltage transformer (PT), on the second electric wire strut from
Lower successively interval is equipped with the first arrester and the first disconnecting switch upwards, and the first wiring band iron on PT vacuum switch passes through electricity
Cable is connect with the input terminal of the first disconnecting switch, is connected between the input terminal of the first disconnecting switch and the first arrester by cable
It connects, successively interval is equipped with the second arrester, the second disconnecting switch and street yard from bottom to top on the first electric wire strut, and PT is true
It is spaced apart the second wiring band iron shut to connect by cable with the input terminal of the second disconnecting switch, the input terminal of the second disconnecting switch
Pass through cable connection, the output end of first disconnecting switch and the output end point of the second disconnecting switch between the second arrester
Not Tong Guo the high-voltage output line on the code of cable and street connect.
In the above-mentioned technical solutions, for protecting the PT vacuum switch of voltage transformer (PT) to be divided to two for internal lead
It draws, and security isolation is carried out by disconnecting switch, the high-voltage output line then accessed on the code of street is exported, and is being isolated
Zinc oxide surge arresters at switch can effectively improve the safety when operation of PT vacuum switch.The automatic Switching installation of this unilateral side PT
Structure, which is not only constructed, to be easy, and wiring is simple, and can effectively improve the protection to PT power supply.
Preferably, First Transition insulator, the first disconnecting switch output end are installed above first disconnecting switch
On cable connect after First Transition insulator transition by the high-voltage output line on wire clamp and street yard, it is exhausted by First Transition
Edge can conveniently adjust the connection status of output cable, and improve stability when output cable connection.
Preferably, the second transition insulator, the second disconnecting switch output end are installed above second disconnecting switch
On cable connect after the second transition insulator transition by the high-voltage output line on wire clamp and street yard.
Preferably, the left and right ends of the mounting rack pass through anchor ear respectively and are fixed on the first electric wire strut and the second electric wire branch
It, can be in order to the adjustment to installation rack position, to adapt to PT vacuum switch mounting height by anchor ear fixing and mounting bracket on bar
Requirement.
Compared with the existing technology, the beneficial effect of a kind of unilateral side PT automation switch installing structure provided by the utility model
Be: this unilateral side PT automates that switch installing structure is simple, and the wiring, maintenance convenient for cable only need to be true by PT when Specific construction
Being spaced apart to close is divided to two extractions to connect with disconnecting switch in internal lead, carries out security isolation by disconnecting switch, then accesses
High-voltage output line on to street code is exported, and construction is easy, and wiring is simple, and the zinc oxide surge arresters at disconnecting switch,
It can effectively improve the safety when operation of PT vacuum switch.
Detailed description of the invention
Fig. 1 is the front view of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is part mounting structure enlarged diagram in Fig. 1.
Fig. 4 is part mounting structure enlarged diagram in Fig. 2.
In figure: 1, the first electric wire strut；2, the second electric wire strut；3, mounting rack；4, anchor ear；5, PT vacuum switch；51,
One wiring band iron；52, the second wiring band iron；53, voltage transformer；6, the first arrester；7, the second arrester；8, the first isolation
Switch；9, the second disconnecting switch；10, First Transition insulator；11, the second transition insulator；12, street code；13, wire clamp.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Ordinary people in the field's every other embodiment obtained without making creative work, belongs to
The protection scope of the utility model.
A kind of embodiment: unilateral side PT automation switch installing structure.
Referring to figs. 1 to 4, comprising: the first electric wire strut 1 and the second electric wire strut 2, the first electric wire strut 1
And second be equipped with mounting rack 3 between electric wire strut 2, PT vacuum switch 5 is fixed on the mounting rack 3, the mounting rack 3
Left and right ends pass through anchor ear 4 respectively and are fixed on the first electric wire strut 1 and the second electric wire strut 2, pass through 4 fixing and mounting bracket of anchor ear
3 can be in order to the adjustment to 3 position of mounting rack, to adapt to the requirement of 5 mounting height of PT vacuum switch, the PT vacuum switch
5 center of top are equipped with exposed voltage transformer 53, and the left and right sides of voltage transformer 53 is provided with the first wiring band iron 51
With the second wiring band iron 52, on the second electric wire strut 2 from bottom to top successively interval be equipped with the first arrester 6 and first every
Pass 8 is left, the first wiring band iron 51 on PT vacuum switch 5 is connect by cable with the input terminal of the first disconnecting switch 8, and first
By cable connection between the input terminal of disconnecting switch 8 and the first arrester 6, on the first electric wire strut 1 from bottom to top according to
The second wiring band iron 52 that minor tick is equipped on the second arrester 7, the second disconnecting switch 9 and street 12, PT of code vacuum switch 5 is logical
It crosses cable to connect with the input terminal of the second disconnecting switch 9, pass through between the input terminal of the second disconnecting switch 9 and the second arrester 7
The output end of cable connection, the output end of first disconnecting switch 8 and the second disconnecting switch 9 passes through cable and street code 12 respectively
On high-voltage output line connection, the top of first disconnecting switch 8 is equipped with First Transition insulator 10, the first disconnecting switch
Cable on 8 output ends is connect by wire clamp 13 with the high-voltage output line on street code 12 after 10 transition of First Transition insulator,
The top of second disconnecting switch 9 is equipped with the second transition insulator 11, and the cable on 9 output end of the second disconnecting switch is through
It is connect by wire clamp 13 with the high-voltage output line on street code 12 after two transition insulators, 11 transition, it can be square by transition insulator
Just the connection status of output cable is adjusted, and improves stability when output cable connection.
This unilateral side PT automates that switch installing structure is simple, wiring, maintenance convenient for cable, when Specific construction, only need by
Internal lead is divided to two to draw and respectively with the by PT vacuum switch 5 by the first wiring band iron 51 and the second wiring band iron 52
One disconnecting switch 8 and the connection of the second disconnecting switch 9, carry out security isolation by disconnecting switch, then access on street code 12
High-voltage output line is exported, and construction is easy, and wiring is simple, and is punished in the first disconnecting switch 8 and the second disconnecting switch 9
First arrester 6 and the second arrester 7 are not installed, can effectively improve safety when PT vacuum switch 5 operates.
The above be the utility model preferred embodiment, but the utility model should not be limited to the embodiment and
Attached drawing disclosure of that is all fallen so all do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model
Enter the range of the utility model protection.
Claims (4)
1. a kind of unilateral side PT automates switch installing structure, comprising: the first electric wire strut and the second electric wire strut, first electricity
Mounting rack is installed between line strut and the second electric wire strut, it is characterised in that: PT vacuum switch is installed on the mounting rack,
The PT vacuum switch center of top is equipped with exposed voltage transformer, and first is provided at left and right sides of voltage transformer and is connect
Line band iron and the second wiring band iron, successively interval is equipped with the first arrester and first from bottom to top on the second electric wire strut
Disconnecting switch, the first wiring band iron on PT vacuum switch are connect by cable with the input terminal of the first disconnecting switch, first every
It leaves and passes through cable connection between the input terminal of pass and the first arrester, be successively spaced from bottom to top on the first electric wire strut
Second arrester, the second disconnecting switch and street code are installed, the second wiring band iron on PT vacuum switch passes through cable and second
The input terminal of disconnecting switch connects, by cable connection between the input terminal of the second disconnecting switch and the second arrester, described the
The output end of one disconnecting switch and the output end of the second disconnecting switch pass through cable respectively and connect with the high-voltage output line on the code of street.
2. unilateral side PT as described in claim 1 automates switch installing structure, it is characterised in that: first disconnecting switch
Top is equipped with First Transition insulator, and the cable on the first disconnecting switch output end passes through after First Transition insulator transition
Wire clamp is connect with the high-voltage output line on the code of street.
3. unilateral side PT as described in claim 1 automates switch installing structure, it is characterised in that: second disconnecting switch
Top is equipped with the second transition insulator, and the cable on the second disconnecting switch output end passes through after the second transition insulator transition
Wire clamp is connect with the high-voltage output line on the code of street.
4. unilateral side PT as described in claim 1 automates switch installing structure, it is characterised in that: the left and right two of the mounting rack
End is fixed on the first electric wire strut and the second electric wire strut by anchor ear respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535634.5U CN209571760U (en) | 2019-04-19 | 2019-04-19 | A kind of unilateral side PT automation switch installing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535634.5U CN209571760U (en) | 2019-04-19 | 2019-04-19 | A kind of unilateral side PT automation switch installing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571760U true CN209571760U (en) | 2019-11-01 |
Family
ID=68336212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920535634.5U Expired - Fee Related CN209571760U (en) | 2019-04-19 | 2019-04-19 | A kind of unilateral side PT automation switch installing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209571760U (en) |
-
2019
- 2019-04-19 CN CN201920535634.5U patent/CN209571760U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191101 Termination date: 20200419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |