CN209327555U - A kind of mutual inductor pressure regulation capacity fining regulating device - Google Patents
A kind of mutual inductor pressure regulation capacity fining regulating device Download PDFInfo
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- CN209327555U CN209327555U CN201821699084.2U CN201821699084U CN209327555U CN 209327555 U CN209327555 U CN 209327555U CN 201821699084 U CN201821699084 U CN 201821699084U CN 209327555 U CN209327555 U CN 209327555U
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- mutual inductor
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 230000009711 regulatory function Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The utility model relates to current transformer and voltage measuring transformer fields more particularly to a kind of mutual inductor pressure regulation capacity to refine regulating device.The utility model by two different models pressure regulator T1With pressure regulator T2Input terminal it is in parallel, be connected with the input terminal of the present apparatus；Pressure regulator T1On output voltage be output voltage UT1, pressure regulator T2On output voltage be output voltage UT2；Pressure regulator T1Output end be connected with the tail end of transformer T secondary side；Pressure regulator T2Output end connect with the tail end of transformer T primary side；The secondary side head end of transformer T is connect with a terminal of present apparatus output end；The primary side head end of transformer T is connected with another terminal of the output end of the device, while being connected with a terminal of present apparatus input terminal.The utility model guarantees the accuracy of measurement data, and working efficiency is made to be significantly improved.
Description
Technical field
The utility model relates to current transformer and voltage measuring transformer fields more particularly to a kind of mutual inductor pressure regulation to hold
Amount fining regulating device.
Background technique
During the test of current transformer or voltage transformer, often need to obtain the electric current or electricity far below rated value
Pressure.For given pressure regulator, since the voltage fineness adjustment of device is fixed, and then external current lifting device or testing transformer without
The current or voltage needed is completed in method fining, and very big difficulty is brought to the experiment work of mutual inductor.
If, can using two pressure regulators and a transformer in input terminal and output end according to connecting by the way of certain
Composition one has the regulator of fining regulatory function.
Currently, integrated mutual inductor pressure regulation capacity refines regulating device not yet.
Summary of the invention
The utility model place in view of the above-mentioned deficiencies in the prior art, proposes a kind of mutual inductor pressure regulation capacity essence
Regulating device is refined, its purpose is to realize the purpose of utility model that fining is boosted or flowed up to mutual inductor and is adjusted.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of mutual inductor pressure regulation capacity fining regulating device, including mainly by pressure regulator T1, pressure regulator T2, transformer T with
And device internal connection line road；By the pressure regulator T of two different models1With pressure regulator T2Input terminal it is in parallel, it is defeated with the present apparatus
Enter end to be connected, while connecting 220V power frequency supply；Pressure regulator T1On output voltage be output voltage UT1, pressure regulator T2On it is defeated
Voltage is output voltage U outT2；Pressure regulator T1Output end be connected with the tail end of transformer T secondary side；Pressure regulator T2Output
End is connected with the tail end of transformer T primary side；The secondary side head end of transformer T is connected with a terminal of present apparatus output end
It connects；The primary side head end of transformer T is connected with another terminal of the output end of the device, while one with present apparatus input terminal
A terminal is connected.
The transformer T is the transformer that known no-load voltage ratio is K, the primary side and output voltage U of transformer TT2Parallel connection, transformation
The secondary side voltage △ U and output voltage U of device TT1It connects, then the output end voltage U of the present apparatusS1=UT1+△U=UT1+UT2/K。
The pressure regulator T1With pressure regulator T2After accessing constant 220V power frequency supply, if adjusting pressure regulator T1Adjusting pressuring knob,
Then output voltage UT1It changes, the normal voltage regulatory function of finishing device；If adjusting pressure regulator T2Adjusting pressuring knob, then it is defeated
Voltage U outT2It changes, the fining voltage regulatory function of finishing device, fining degree is determined by the no-load voltage ratio K of transformer T
Fixed, usually taking K is 10-30；Pressure regulator T2Rated capacity takes pressure regulator T1The 1/K of rated capacity.
The pressure regulator T1For single-phase self-coupling pressure regulator, rated capacity 20kVA, rated frequency 50Hz, input voltage 220V,
Output voltage 0-250V.
No-load voltage ratio K=10 of the transformer T, rated capacity 50kVA, no-load loss 300W, load loss 1230W, short circuit resistance
Anti- 4%.
Described device internal connection line road uses 4mm2Single turn copper conducting wire insulate in addition.
The input terminal of the external current lifting device or testing transformer S are US1、US1And the present apparatus directly passes through 4mm2Single turn
Copper conducting wire is connected, and single turn copper conducting wire insulate in addition.
The input terminal U of the external current lifting device or testing transformer SS1It is simultaneously also the output end of the present apparatus.
The utility model have the following advantages that and the utility model has the advantages that
The utility model, which is efficiently solved, to be difficult to obtain in current transformer and voltage transformer test much smaller than specified
The problem of current or voltage, guarantees the accuracy of measurement data, working efficiency is made to be significantly improved.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the utility model, with reference to the accompanying drawing and is embodied
Mode is described in further detail the utility model, and the following examples illustrate the utility model, it is to be understood that this
The protection scope of utility model is not limited by the specific implementation.
Fig. 1 is the system wiring figure of the utility model.
In figure: external current lifting device or testing transformer S, the input terminal U of current lifting device or testing transformerS1, current lifting device or
The output end U of testing transformerS2, pressure regulator T1, pressure regulator T2, output voltage UT1, output voltage UT2, transformer T, secondary side electricity
Press △ U.
Specific embodiment
The utility model is a kind of mutual inductor pressure regulation capacity fining regulating device, using the pressure regulator of two different capabilities
With the transformer of a known no-load voltage ratio, the fining regulatory function of output voltage is completed by way of the system integration.This is practical
The system wiring figure of new device is as shown in Figure 1, include mainly by pressure regulator T1, pressure regulator T2, inside transformer T and device
Connection line.By the pressure regulator T of two different models1With pressure regulator T2Input terminal it is in parallel, be connected with the input terminal of the device,
220V power frequency supply is connected simultaneously；Pressure regulator T1On output voltage be output voltage UT1, pressure regulator T2On output voltage be
Output voltage UT2.Pressure regulator T1Output end be connected with the tail end of transformer T secondary side；Pressure regulator T2Output end and transformation
The tail end of device T primary side is connected.The secondary side head end of transformer T is connected with a terminal of the device output end；Transformation
The primary side head end of device T is connected with another terminal of the output end of the device, while a terminal with the device input terminal
It is connected.
The transformer T is the transformer that known no-load voltage ratio is K, the primary side and output voltage U of transformer TT2Parallel connection, transformation
The secondary side voltage △ U and output voltage U of device TT1It connects, then the output end voltage U of the deviceS1=UT1+△U=UT1+UT2/K.Examination
When testing, in pressure regulator T1With pressure regulator T2After accessing constant 220V power frequency supply, if adjusting pressure regulator T1Adjusting pressuring knob, then it is defeated
Voltage U outT1It changes, the normal voltage regulatory function of finishing device；If adjusting pressure regulator T2Adjusting pressuring knob, then export electricity
Press UT2It changes, the fining voltage regulatory function of finishing device, fining degree is determined by the no-load voltage ratio K of transformer T, is led to
Often taking K is 10-30.Due to pressure regulator T2The function that fining is adjusted is undertaken, rated capacity theory takes pressure regulator T1Rated capacity
1/K.
The pressure regulator T1For single-phase self-coupling pressure regulator, rated capacity 20kVA, rated frequency 50Hz, input voltage 220V,
Output voltage 0-250V.
No-load voltage ratio K=10 of the transformer T, rated capacity 50kVA, no-load loss 300W, load loss 1230W, short circuit resistance
Anti- 4%.
Described device internal connection line road uses 4mm2Single turn copper conducting wire insulate in addition.
The input terminal U of external current lifting device or testing transformer S in the present inventionS1It is simultaneously also the output of device
End.
The input terminal of external current lifting device or testing transformer S is US1、US1And the present apparatus directly passes through 4mm2Single turn copper
Conducting wire is connected, and single turn copper conducting wire insulate in addition.
Claims (8)
1. a kind of mutual inductor pressure regulation capacity refines regulating device, it is characterized in that: including pressure regulator T1, pressure regulator T2, transformer T
And device internal connection line road；By the pressure regulator T of two different models1With pressure regulator T2Input terminal it is in parallel, with the present apparatus
Input terminal is connected, while connecting 220V power frequency supply；Pressure regulator T1On output voltage be output voltage UT1, pressure regulator T2On
Output voltage is output voltage UT2；Pressure regulator T1Output end be connected with the tail end of transformer T secondary side；Pressure regulator T2It is defeated
Outlet is connected with the tail end of transformer T primary side；One terminal phase of the secondary side head end of transformer T and present apparatus output end
Connection；The primary side head end of transformer T is connected with another terminal of the output end of the device, at the same with present apparatus input terminal
One terminal is connected.
2. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: the transformer
T is the transformer that known no-load voltage ratio is K, the primary side and output voltage U of transformer TT2Parallel connection, the secondary side voltage △ U of transformer T
With output voltage UT1It connects, then the output end voltage U of the present apparatusS1=UT1+△U=UT1+UT2/K。
3. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: the pressure regulator
T1With pressure regulator T2After accessing constant 220V power frequency supply, if adjusting pressure regulator T1Adjusting pressuring knob, then output voltage UT1Become
Change, the normal voltage regulatory function of finishing device；If adjusting pressure regulator T2Adjusting pressuring knob, then output voltage UT2It changes,
The fining voltage regulatory function of finishing device, fining degree are determined that usually taking K is 10-30 by the no-load voltage ratio K of transformer T；
Pressure regulator T2Rated capacity takes pressure regulator T1The 1/K of rated capacity.
4. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: the pressure regulator
T1For single-phase self-coupling pressure regulator, rated capacity 20kVA, rated frequency 50Hz, input voltage 220V, output voltage 0-250V.
5. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: the transformer
No-load voltage ratio K=10 of T, rated capacity 50kVA, no-load loss 300W, load loss 1230W, short-circuit impedance 4%.
6. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: in described device
Portion's connection line uses 4mm2Single turn copper conducting wire insulate in addition.
7. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: described external
The input terminal of current lifting device or testing transformer S are US1、US1And the present apparatus directly passes through 4mm2Single turn copper conducting wire is connected, single turn
Copper conducting wire insulate in addition.
8. a kind of mutual inductor pressure regulation capacity according to claim 1 refines regulating device, it is characterized in that: described external
The input terminal U of current lifting device or testing transformer SS1It is simultaneously also the output end of the present apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699084.2U CN209327555U (en) | 2018-10-19 | 2018-10-19 | A kind of mutual inductor pressure regulation capacity fining regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699084.2U CN209327555U (en) | 2018-10-19 | 2018-10-19 | A kind of mutual inductor pressure regulation capacity fining regulating device |
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| CN209327555U true CN209327555U (en) | 2019-08-30 |
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| CN201821699084.2U Active CN209327555U (en) | 2018-10-19 | 2018-10-19 | A kind of mutual inductor pressure regulation capacity fining regulating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358305A (en) * | 2018-10-19 | 2019-02-19 | 国网辽宁省电力有限公司电力科学研究院 | A kind of mutual inductor pressure regulation capacity fining regulating device |
-
2018
- 2018-10-19 CN CN201821699084.2U patent/CN209327555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358305A (en) * | 2018-10-19 | 2019-02-19 | 国网辽宁省电力有限公司电力科学研究院 | A kind of mutual inductor pressure regulation capacity fining regulating device |
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