CN207457357U - A kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device - Google Patents
A kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device Download PDFInfo
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- CN207457357U CN207457357U CN201721650248.8U CN201721650248U CN207457357U CN 207457357 U CN207457357 U CN 207457357U CN 201721650248 U CN201721650248 U CN 201721650248U CN 207457357 U CN207457357 U CN 207457357U
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Abstract
The utility model is related to main transformer loaded tap-offs and no-load voltage ratio experiment field, more specifically, it is related to a kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device, include output port module, input port module and power module, output port module is connected with switching control module, and output port module is used to connect main transformer and wiring switching device panel；Switching control module is equipped with relay module, and relay module is connected with main transformer on-load switch transition resistance experimental rig and no-load voltage ratio experimental rig, and what the utility model realization main transformer on-load switch transition resistance and no-load voltage ratio were tested is switched fast, and improves test efficiency.
Description
Technical field
The utility model is related to main transformer loaded tap-offs and no-load voltage ratio experiment field, have load to open more particularly, to a kind of main transformer
Close transition resistance and no-load voltage ratio test connection switching device.
Background technology
According to the test method that original main transformer on-load switch transition resistance and no-load voltage ratio are tested, it is total to main transformer on-load voltage regulation
Exemplified by 17 grades, the experiment of loaded switch transition resistance rises to 17 grades from 1 grade due to needing, then 1 grade of two systemic circulation is reduced to from 17 grades；
It when main transformer carries out no-load voltage ratio experiment and needs to rise to 17 grades from 1 grade, it is desirable that the change ratio of each gear is measured, due to this
It is two independent pilot projects, therefore by current way when finishes the no-load voltage ratio experiment of main transformer and carries out on-load voltage regulating switch mistake again
Cross resistance test, original method test efficiency is low, therefore need to develop a kind of main transformer on-load switch transition resistance and no-load voltage ratio experiment
Wiring switching device improves test efficiency.
The content of the invention
The utility model is at least one defect overcome described in the above-mentioned prior art, provides a kind of main transformer on-load switch mistake
Resistance and no-load voltage ratio test connection switching device are crossed, what realization main transformer on-load switch transition resistance and no-load voltage ratio were tested is switched fast, and carries
High test efficiency.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of main transformer on-load switch transition electricity
Resistance and no-load voltage ratio test connection switching device, wherein, include output port module, input port module and power module, export
Port module is connected with switching control module, and output port module is used to connect main transformer and wiring switching device panel；It cuts
Control module is changed equipped with relay module, relay module is connected with main transformer on-load switch transition resistance experimental rig and change is had a competition
Experiment device.
Device provided by the utility model is equipped with output port module, and output port module is connected with switching control module,
Switching control module is equipped with relay module, and output port module is used to connect main transformer and wiring switching device panel, after
Electrical appliance module is connected with main transformer on-load switch transition resistance experimental rig no-load voltage ratio experimental rig.By the opening of relay module and
The switching to main transformer on-load switch transition resistance experimental rig no-load voltage ratio experimental rig is realized in the adjusting of off-state, improves device
Switching efficiency.
In one embodiment, relay module is equipped with two groups, one group of wiring for being used to control during no-load voltage ratio test system
Mode, another group of mode of connection for being used to control during load ratio bridging switch test system, the relay module are equipped with 8 circuits.
Relay module is used to implement the switching to main transformer on-load switch transition resistance experimental rig and no-load voltage ratio experimental rig,
Relay module is equipped with two groups, and one group of mode of connection for being used to control during no-load voltage ratio test system, another group has load to divide for controlling
Mode of connection during switch test system is connect, main transformer on-load switch transition resistance is realized by controlling the break-make of relay module
With being switched fast for no-load voltage ratio experiment, test efficiency is improved.
In one embodiment, input port module is used to connect main transformer and test equipment.
In one embodiment, power module is set to lithium battery.
The utility model is equipped with switching control module, and switching control module is equipped with relay module, relay module and master
Become loaded switch transition resistance experimental rig to connect with no-load voltage ratio experimental rig.Switched by the state to relay module, realized
Main transformer on-load switch transition resistance experimental rig and no-load voltage ratio experimental rig are switched fast, and improve test efficiency.
Description of the drawings
Fig. 1 is the utility model overall structure diagram in one embodiment.
Fig. 2 is that the utility model actually uses schematic diagram in one embodiment.
Specific embodiment
Attached drawing is only for illustration, it is impossible to be interpreted as the limitation to the utility model；In order to more preferably illustrate this implementation
Example, some components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；For those skilled in the art
For, some known features and its explanation may be omitted and will be understood by attached drawing.Position relationship is only used for described in attached drawing
Exemplary illustration, it is impossible to be interpreted as the limitation to the utility model.
Embodiment 1：
Such as Fig. 1 and as shown in Fig. 2, the utility model offer main transformer on-load switch transition resistance and the switching of no-load voltage ratio test connection
Device, includes output port module 1, and output port module 1 is used to main transformer being connected to wiring switching device panel.
Device output port module 1 one shares 8 leading-out terminals, is respectively A, B, C, N of high-pressure side and a, b, c, n of low-pressure end.
Switching control module 2 is equipped with two group relay modules 5, and relay module 5 is set to 8 circuit Omron relay module
5.One group for control no-load voltage ratio test system when the mode of connection, another group for control load ratio bridging switch test system when
The mode of connection.The convenient conversion to two kinds of test pattern wiring, and the interlocking to two kinds of test patterns can be formed, any feelings
Switching device can only there are a kind of test pattern wiring to switch under condition, avoid wiring switching it is chaotic formed overcurrent burn out device or
Test equipment.
In the present embodiment, chargeable high-capacity lithium battery is equipped in power module 4, ensures that device being capable of long-time work
Make, during not enough power supply, can be charged with alternating current 220V, make device environment-friendly natural.DC power supply can voltage stabilizing, voltage stabilizing function ensure
Device power supply is steady reliable.
Input port module 3 is the bridge that test equipment is connected to main transformer line, also as output port module 1
Equipped with 8 terminals, it is divided into A, B, C, N of high-pressure side and a, b, c, n of low-pressure end.Input port module 3 is by connecting different surveys
Test instrument realizes different test function effects.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the utility model etc., should be included in
Within the protection domain of the utility model claims.
Claims (4)
1. a kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device, which is characterized in that include output terminal
Mouth mold block, input port module and power module, the output port module are connected with switching control module, the output port
Module is used to connect main transformer and wiring switching device panel；The switching control module be equipped with relay module, it is described after
Electrical appliance module is connected with main transformer on-load switch transition resistance experimental rig and no-load voltage ratio experimental rig.
2. main transformer on-load switch transition resistance according to claim 1 and no-load voltage ratio test connection switching device, feature exist
In the relay module is equipped with two groups, and one group of mode of connection for being used to control during no-load voltage ratio test system, another group is used to control
Load ratio bridging switch tests mode of connection during system, and the relay module is equipped with 8 circuits.
3. main transformer on-load switch transition resistance according to claim 1 and no-load voltage ratio test connection switching device, feature exist
In the input port module is used to connect main transformer and test equipment.
4. main transformer on-load switch transition resistance according to claim 1 and no-load voltage ratio test connection switching device, feature exist
In the power module is set to lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650248.8U CN207457357U (en) | 2017-12-01 | 2017-12-01 | A kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650248.8U CN207457357U (en) | 2017-12-01 | 2017-12-01 | A kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457357U true CN207457357U (en) | 2018-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721650248.8U Active CN207457357U (en) | 2017-12-01 | 2017-12-01 | A kind of main transformer on-load switch transition resistance and no-load voltage ratio test connection switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457357U (en) |
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2017
- 2017-12-01 CN CN201721650248.8U patent/CN207457357U/en active Active
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