CN205720443U - A kind of reactor test device - Google Patents
A kind of reactor test device Download PDFInfo
- Publication number
- CN205720443U CN205720443U CN201620289505.9U CN201620289505U CN205720443U CN 205720443 U CN205720443 U CN 205720443U CN 201620289505 U CN201620289505 U CN 201620289505U CN 205720443 U CN205720443 U CN 205720443U
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- reactor
- main controller
- bridge inverter
- test device
- electric current
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Abstract
The utility model discloses a kind of reactor test device, including rectifier bridge, H bridge inverter, main controller and tested reactor, described rectifier bridge input termination three phase network, the input of output termination H bridge inverter, the output of described H bridge inverter terminates tested reactor, and described main controller connects H bridge inverter.A kind of reactor test device of the present utility model, exports the harmonic current of adjustable frequency and amplitude, can accurate simulated field harmonic current, it is ensured that the accuracy of data measured；The electric current reactance curve of the magnetic reactive device simulated, draws the reactance value of reality in actual use with reference to curve, has simple, convenient and practical, novel, feature flexibly, improves testing efficiency, reduce testing cost.
Description
Technical field
It is a kind of reactor test device that this utility model relates to, and relates to the relevant device of field of power, belongs to technical field of electric automation equipment.
Background technology
Along with power reactor extensive application in power system, need quickly the most exactly the performance indications of reactor to be tested.The situation that the mode of existing reactor test device applying electric current is essentially all according to the required electric current of test manually regulates, it is difficult to accurately produce corresponding frequency spectrum electric current.Further, since the reactance value of magnetic reactive device changes with the change of electric current, it is difficult to record the reactance value of reactor.
Summary of the invention
For solving the deficiencies in the prior art, this utility model provides a kind of reactor test device, can accurately produce the frequency spectrum electric current needed for tested reactor, and solve to obtain the reactance value problem of magnetic reactive device.
In order to realize above-mentioned target, this utility model adopts the following technical scheme that:
A kind of reactor test device, including rectifier bridge, H bridge inverter, main controller and tested reactor, described rectifier bridge input termination three phase network, the input of output termination H bridge inverter, the output of described H bridge inverter terminates tested reactor, and described main controller connects H bridge inverter.
Above-mentioned H bridge inverter output scalable frequency and the harmonic current of amplitude.
Above-mentioned main controller provides for H bridge inverter and drives signal.
Further, above-mentioned main controller detects electric current and the voltage of tested reactor.
Further, above-mentioned main controller detects the temperature of tested reactor.
The mode of operation of above-mentioned a kind of reactor test device includes open loop mode and closed loop mode；Described open loop mode, sets frequency and the amplitude of electric current needed for tested reactor by main controller, and H bridge inverter exports corresponding electric current；Described closed loop mode, sets frequency and the amplitude of electric current needed for tested reactor by main controller, and main controller by the electric current of tested reactor detected and the currents match of setting, makes the electric current of tested reactor detected identical with the electric current needed for tested reactor.
A kind of reactor test device having the beneficial effect that this utility model provides of the present utility model, exports the harmonic current of adjustable frequency and amplitude, accurate simulated field harmonic current, it is ensured that the accuracy of data measured；The electric current reactance curve of the magnetic reactive device that this test unit simulation goes out, the reactance value overcoming magnetic reactive device changes the difficult problem being difficult to accurately record reactance value with size of current, the reactance value of reality is drawn in actual use with reference to electric current reactance curve, there is simple, convenient and practical, novel, feature flexibly, improve testing efficiency, reduce testing cost.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of reactor of the present utility model test device.
The implication of labelling in accompanying drawing: 1, rectifier bridge, 2, H bridge inverter, 3, tested reactor, 4, main controller.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model made concrete introduction.
A kind of reactor test device, including rectifier bridge 1, H bridge inverter 2, main controller 4 and tested reactor 3, rectifier bridge 1 input termination three phase network, the input of output termination H bridge inverter 2, H bridge inverter 2 output terminates tested reactor 3, and main controller 4 connects H bridge inverter 2.
Main controller 4 detects electric current and the voltage of tested reactor 3 circuit, detects the temperature of tested reactor 3, provides for H bridge inverter 2 and drives signal.
During use, selectable mode of operation includes: open loop mode and closed loop mode；
Open loop mode, sets frequency and the amplitude of electric current needed for tested reactor 3 by main controller 4, and H bridge inverter 2 exports corresponding electric current；Closed loop mode: set amplitude and the frequency of electric current needed for tested reactor 3 by main controller 4, H bridge inverter 2 exports corresponding electric current, main controller 4 is by the electric current of tested reactor 3 detected and the currents match of setting, main controller 4 controls the electric current of H bridge inverter 2 regulation output, makes the electric current of tested reactor 3 detected identical with the electric current needed for tested reactor 3.
The method of the electric current reactance curve of above-mentioned a kind of reactor test unit simulation magnetic reactive device:
Reactance value is with the change of size of current, according to formula u=Ldi/dt, gather the current value in the time of coincidence formula, the reactance value of corresponding time is calculated by formula u=Ldi/dt, corresponding relation according to electric current and reactance value makes the electric current reactance curve of magnetic reactive device, draws the reactance value of reality in actual use with reference to curve.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry, above-described embodiment limits this utility model, the technical scheme that the mode of all employing equivalents or equivalent transformation is obtained the most in any form, all falls within protection domain of the present utility model.
Claims (7)
1. a reactor test device, including rectifier bridge, H bridge inverter, main controller and tested reactor, it is characterized in that described rectifier bridge input termination three phase network, the input of output termination H bridge inverter, the output of described H bridge inverter terminates tested reactor, and described main controller connects H bridge inverter.
A kind of reactor test device the most according to claim 1, it is characterised in that described H bridge inverter output scalable frequency and the harmonic current of amplitude.
A kind of reactor test device the most according to claim 1, it is characterised in that described main controller provides for H bridge inverter and drives signal.
A kind of reactor test device the most according to claim 1, it is characterised in that described main controller detects electric current and the voltage of tested reactor.
A kind of reactor test device the most according to claim 1, it is characterised in that described main controller detects the temperature of tested reactor.
A kind of reactor test device the most according to claim 2, it is characterised in that the electric current of described H bridge inverter output is the electric current needed for the interior tested reactor set of main controller.
A kind of reactor test device the most according to claim 4, it is characterised in that the electric current of the tested reactor of described main controller detection is the electric current needed for the interior tested reactor set of main controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620289505.9U CN205720443U (en) | 2016-04-08 | 2016-04-08 | A kind of reactor test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620289505.9U CN205720443U (en) | 2016-04-08 | 2016-04-08 | A kind of reactor test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720443U true CN205720443U (en) | 2016-11-23 |
Family
ID=57310316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620289505.9U Expired - Fee Related CN205720443U (en) | 2016-04-08 | 2016-04-08 | A kind of reactor test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205720443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132440A (en) * | 2017-05-23 | 2017-09-05 | 江苏现代电力科技股份有限公司 | A kind of power electronics type reactor performance testing device |
| CN109001536A (en) * | 2018-06-05 | 2018-12-14 | 武汉电信器件有限公司 | A kind of resistance detection circuit, system and method |
-
2016
- 2016-04-08 CN CN201620289505.9U patent/CN205720443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132440A (en) * | 2017-05-23 | 2017-09-05 | 江苏现代电力科技股份有限公司 | A kind of power electronics type reactor performance testing device |
| CN109001536A (en) * | 2018-06-05 | 2018-12-14 | 武汉电信器件有限公司 | A kind of resistance detection circuit, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20210408 |