CN209087559U - Reactance transformer - Google Patents
Reactance transformer Download PDFInfo
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- CN209087559U CN209087559U CN201822067252.2U CN201822067252U CN209087559U CN 209087559 U CN209087559 U CN 209087559U CN 201822067252 U CN201822067252 U CN 201822067252U CN 209087559 U CN209087559 U CN 209087559U
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Abstract
The utility model discloses a kind of reactance transformers, belong to transformer switch and transformer technology field, including being equipped with high-tension coil, the transformer body of low-voltage coil and voltage regulation coil, reactor and reactive on-load tapping switch equipped with reactor interior loop and reactor exterior loop；P1~the P4 that lifts one's head of four of reactor is connect with four S1~S4 that lift one's head of reactive on-load tapping switch respectively；The pressure regulation of the voltage regulation coil 1~n that lifts one's head lifts one's head with 1~n of reactive on-load tapping switch connect respectively；The switching reator connection contact connection of the tail head and reactive on-load tapping switch of low-voltage coil, draws neutral point from reactive on-load tapping switch, voltage regulation coil and lifting one's head for reactor winding are connect with lifting one's head for reactive on-load tapping switch respectively by cable.The utility model is able to solve transformer low voltage pressure regulation difficulty existing in the prior art and technical problem at high cost, and it is convenient and reduce the technical effect of cost can to reach transformer low voltage pressure regulation.
Description
Technical field
The utility model belongs to transformer switch application and transformer technology field is more specifically to be related to a kind of electricity
Anti- formula transformer.
Background technique
Existing power transformer product is generally high-tension coil pressure regulation, but for Special section, largely requires low-voltage line
Pressure regulation is enclosed, and range of regulation is wide, series is more.The popular feature of such transformer is: the voltage of low pressure is low, and electric current is big, winding
The number of turns is few, some even 0.5 circles, since low-pressure side electric current is big, makes also increasing accordingly by electric current for switch, due to low-pressure side
The number of turns it is relatively fewer, the precision of voltage when in order to meet pressure regulation, the design comparison of voltage regulation coil is difficult.
Transformer can not be solved using traditional technology and pass through low-voltage coil pressure regulation.
Utility model content
The purpose of this utility model is to provide a kind of reactance transformers, to solve transformer existing in the prior art
Low pressure pressure regulation is difficult, complex process and technical problem at high cost, and it is convenient and reduce cost can to reach transformer low voltage pressure regulation
Technical effect.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of reactance transformer, including
Transformer body, including low-voltage coil and voltage regulation coil, are installed in transformer tank body；
Reactor, including reactor interior loop and reactor exterior loop, the two are respectively positioned on the outside of core of reactor；
Reactive on-load tapping switch is fixedly installed on the outside of transformer-cabinet；
Four respectively with the reactive on-load tapping switch of four P1~P4 that lift one's head that the reactor winding is equipped with
Lift one's head S1~S4 connection；The pressure regulation of the voltage regulation coil 1~n that lifts one's head lifts one's head with 1~n of reactive on-load tapping switch connect respectively；
The tail head of the low-voltage coil connect contact connection with the switching reator of the reactive on-load tapping switch, from the reactance
Formula load ratio bridging switch draws neutral point, and voltage regulation coil and lifting one's head for reactor winding have with the reactance respectively by cable
The connection of lifting one's head of on-load shunting switch.
Further, it is further fixed on the outside of the transformer-cabinet for installing the reactive on-load tapping switch
Transition increases seat.
Further, the transition increase shell that seat includes rectangle and be individually fixed in the shell left and right ends the
The outer housing of one mounting flange and the second mounting flange, first mounting flange and the reactive on-load tapping switch passes through
The connection of first bolt assembly, second mounting flange are connect with the transformer-cabinet by the second bolt assembly.
Further, the width of the left and right directions of the shell is 5400mm.
Further, the reactance transformer further includes lower folder that is in the transformer tank body and being located at bottom
Part, the transformer body and the reactor are fixed on the lower clamping piece by third bolt assembly.
Further, the reactor uses DKS type small core reactor.
Further, the reactive on-load tapping switch uses RMV type reactance-typed switch.
A kind of beneficial effect of reactance transformer provided by the utility model is: the reactance transformation of the utility model
Device includes transformer body, reactor and reactive on-load tapping switch, and four P1~P4 that lift one's head that the reactor is equipped with divide
It is not connect with four S1~S4 that lift one's head of the reactive on-load tapping switch；The pressure regulation of voltage regulation coil lift one's head 1~n respectively with electricity
1~n of anti-formula load ratio bridging switch lifts one's head connection；The tail head of the low-voltage coil and opening for the reactive on-load tapping switch
Reactor connection contact connection is closed, draws neutral point, voltage regulation coil and reactor winding from the reactive on-load tapping switch
Lift one's head and connect respectively with lifting one's head for the reactive on-load tapping switch by cable.By above-mentioned connection, by changing electricity
The gear of anti-formula load ratio bridging switch achievees the purpose that the number of turns for changing voltage regulation coil, and then realizes the purpose of low pressure pressure regulation.This
Reactance transformer solves difficult transformer low voltage pressure regulation existing in the prior art, complex process and technology at high cost and asks
It is convenient and reduce the technical effect of cost can to reach transformer low voltage pressure regulation for topic.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of reactance transformer provided by the embodiment of the utility model；
Fig. 2 is a kind of key wiring diagram of reactance transformer provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram that transition increases seat in Fig. 1；
Fig. 4 is the A-A view in Fig. 3.
Wherein, each appended drawing reference in figure:
1-reactive on-load tapping switch, 2-transition increase seat, the first mounting flange of 2-1-, 2-2-shell；2-3—
Second mounting flange；3-transformer-cabinets, 4-transformer bodies, 5-reactors, 6-lower clamping pieces, 7-low-voltage coils, 8-
Voltage regulation coil, 9-reactor interior loops, 10-reactor exterior loops, 11-switch position contacts, the connection of 12-switching reators
Contact.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It please refers to shown in Fig. 1, the reactance transformer of the utility model includes transformer body 4, reactor 5 and reactance
Load ratio bridging switch 1, transformer body 4 include high-tension coil, low-voltage coil 7 and voltage regulation coil 8, are installed on transformer-cabinet 3
It is interior；Reactor 5 includes reactor interior loop 9 and reactor exterior loop 10, and the two is respectively positioned on the outside of core of reactor；Reactance has
On-load shunting switch 1 is fixedly installed in 3 outside of transformer-cabinet；Be equipped with four of the reactor 5 lift one's head P1~P4 respectively with institute
State four S1~S4 connections of lifting one's head of reactive on-load tapping switch 1；The pressure regulation of voltage regulation coil 8 lift one's head 1~n respectively with reactance
1~n of load ratio bridging switch 1 lifts one's head connection；The tail head of the low-voltage coil 7 is opened with the reactive on-load tapping switch 1
The reactor connection connection of contact (dipole inversion is lifted one's head) 12 is closed, draws neutral point, pressure regulation from the reactive on-load tapping switch 1
Coil and lifting one's head for reactor winding are connect with the lifting one's head for reactive on-load tapping switch 1 respectively by cable, the electricity
Cable is paper bag cable.
Above-mentioned reactance transformer includes transformer body 4, reactor 5 and reactive on-load tapping switch 1, the reactance
Four P1~P4 that lift one's head that device 5 is equipped with are connect with four S1~S4 that lift one's head of the reactive on-load tapping switch 1 respectively；Pressure regulation
The pressure regulation of the coil 8 1~n that lifts one's head lifts one's head with 1~n of reactive on-load tapping switch 1 connect respectively；The tail of the low-voltage coil 7
Head connect contact connection with the switching reator of the reactive on-load tapping switch 1, from the reactive on-load tapping switch 1
Draw neutral point, 5 coil of voltage regulation coil 8 and reactor lift one's head by cable respectively with the reactive on-load tapping switch 1
Connection of lifting one's head.By above-mentioned connection, the gear by changing reactive on-load tapping switch 1 reaches the circle for changing voltage regulation coil
Several purposes, and then realize the purpose of low pressure pressure regulation.It is low that this reactance transformer solves transformer existing in the prior art
Pressure regulation difficult, complex process and technical problem at high cost are pressed, it is convenient and reduce cost that transformer low voltage pressure regulation can be reached
Technical effect.
It please refers to shown in Fig. 1, Fig. 3 and Fig. 4, a kind of specific implementation as reactance transformer provided by the utility model
Mode, the outside of the transformer-cabinet 3 are further fixed on the transition for installing the reactive on-load tapping switch 1 and increase seat
2；The transition increases the shell 2-2 and the first mounting flange for being individually fixed in the shell left and right ends that seat 2 includes rectangle
2-1 and the second mounting flange 2-3, the outer housing of the first mounting flange 2-1 and the reactive on-load tapping switch 1 pass through
The connection of first bolt assembly, the second mounting flange 2-3 are connect with the transformer-cabinet 3 by the second bolt assembly；Institute
The width for stating the left and right directions of shell 2-2 is 5400mm.
Above-mentioned transition increases seat 2 and is mainly used for increasing the installation space of tap lead, can increase transformer body 4,
Connection space between reactor lead and switch contact can either achieve the purpose that section material can reach again and facilitate operation, tie
Structure is simple, easy for installation, and fixation is reliable.
As a kind of specific embodiment of reactance transformer provided by the utility model, the reactance transformer is also
Including being located at lower clamping piece 6 that is in the transformer-cabinet 3 and being located at bottom, the transformer body 4 and the reactor 5 are logical
Third bolt assembly is crossed to be fixed on the lower clamping piece 6.
Transformer body 4 and reactor 5 can be connected as an entirety by above-mentioned lower clamping piece 6, be installed on transformer jointly
In cabinet 3, lower clamping piece 6 undertakes the overall weight of transformer body 4 and reactor 5, and lower clamping piece 6 is reinforcement structure part, lower clamping piece 6
It is connected by screw bolts with transformer-cabinet 3, all connection bolts are all made of loosening configuration, can enhance the stability of connection, just
It is installed in whole body, prevents transformer transformer body displacement in transport, operational process from damaging.
As a kind of specific embodiment of reactance transformer provided by the utility model, the reactor 5 uses DKS
Type small core reactor.
As a kind of specific embodiment of reactance transformer provided by the utility model, the reactance loaded tap-off
Switch 1 uses RMV type reactance-typed switch.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art
For those of ordinary skill, without departing from the principle of this utility model, several change can also be carried out to the utility model
Into and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (7)
1. reactance transformer, it is characterised in that: including
Transformer body, including low-voltage coil and voltage regulation coil, are installed in transformer tank body；
Reactor, including reactor interior loop and reactor exterior loop, the two are respectively positioned on the outside of core of reactor；
Reactive on-load tapping switch is fixedly installed on the outside of transformer-cabinet；
Four P1~P4 that lift one's head that the reactor winding is equipped with lift one's head with four of the reactive on-load tapping switch respectively
S1~S4 connection；The pressure regulation of the voltage regulation coil 1~n that lifts one's head lifts one's head with 1~n of reactive on-load tapping switch connect respectively；It is described
The tail head of low-voltage coil connect contact connection with the switching reator of the reactive on-load tapping switch, has from the reactance
On-load shunting switch draws neutral point, and voltage regulation coil and lifting one's head for reactor winding have load point by cable with the reactance respectively
Connect the connection of lifting one's head of switch.
2. reactance transformer according to claim 1, it is characterised in that: be further fixed on the outside of the transformer-cabinet
Transition for installing the reactive on-load tapping switch increases seat.
3. reactance transformer according to claim 2, it is characterised in that: the transition increases the shell that seat includes rectangle
With the first mounting flange and the second mounting flange for being individually fixed in the shell left and right ends, first mounting flange and institute
The outer housing for stating reactive on-load tapping switch is connected by the first bolt assembly, second mounting flange and the transformer
Cabinet is connected by the second bolt assembly.
4. reactance transformer according to claim 3, it is characterised in that: the width of the left and right directions of the shell is
5400mm。
5. reactance transformer according to claim 1, it is characterised in that: the reactance transformer further includes being located at institute
Lower clamping piece that is in transformer tank body and being located at bottom is stated, the transformer body and the reactor pass through third bolt assembly
It is fixed on the lower clamping piece.
6. reactance transformer according to claim 1, it is characterised in that: the reactor uses DKS type small core
Reactor.
7. reactance transformer according to claim 1, it is characterised in that: the reactive on-load tapping switch uses
RMV type reactance-typed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067252.2U CN209087559U (en) | 2018-12-10 | 2018-12-10 | Reactance transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822067252.2U CN209087559U (en) | 2018-12-10 | 2018-12-10 | Reactance transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087559U true CN209087559U (en) | 2019-07-09 |
Family
ID=67126672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822067252.2U Active CN209087559U (en) | 2018-12-10 | 2018-12-10 | Reactance transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209087559U (en) |
-
2018
- 2018-12-10 CN CN201822067252.2U patent/CN209087559U/en active Active
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