CN109342826A - Electrical sensing test-run a machine - Google Patents
Electrical sensing test-run a machine Download PDFInfo
- Publication number
- CN109342826A CN109342826A CN201811348135.1A CN201811348135A CN109342826A CN 109342826 A CN109342826 A CN 109342826A CN 201811348135 A CN201811348135 A CN 201811348135A CN 109342826 A CN109342826 A CN 109342826A
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- test
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- power module
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- 238000012360 testing method Methods 0.000 claims abstract description 120
- 230000005611 electricity Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000004832 voltammetry Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2611—Measuring inductance
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
A kind of electrical sensing test-run a machine, for testing the inductance of reactor, the electrical sensing test-run a machine includes test device, ammeter, voltmeter and industrial computer, the test device includes power module and at least one test position, place reactor to be measured at least one test position, the power module is electrically connected at least one test position and output voltage is to the reactor to be measured, the current value and voltage value of the ammeter and the voltmeter reactor to be measured described in continuous acquisition in multiple cycles of output voltage, and feed back to the inductance that the industrial computer calculates the reactor to be measured.
Description
Technical field
The present invention relates to a kind of electrical sensing test-run a machine based on voltammetry.
Background technique
With the development of power industry, reactor in electrical system using more and more extensive, adopted in electrical system
Reactor common are current-limiting reactor and shunt reactor.Current-limiting reactor is mainly used to limiting short-circuit current, is filtering
It is used to limit the higher hamonic wave in power grid with capacitor serial or parallel connection in wave device.Reactor in power grid is for absorbing cable
The charging capacitive reactive power of route can adjust working voltage by adjusting the quantity of shunt reactor.High-voltage parallel reactance
Device has improvement multiple functions of the Power System Reactive Power in relation to operation conditions.Photovoltaic reactor, which plays, filters out or weakens IGBT function
The effect of harmonic wave and smooth waveform that rate module generates, by the harmonic filtration protective condenser of high ingredient.
Due to reactor increase in demand, production expands, and the test of reactor inductance amount is at bottleneck.Traditional test method
It is that reactor tail end short circuit is inputted into rated current, measures phase voltage with multimeter, ammeter measures electric current, calculates by hand
Inductance out.This test method heavy workload, wiring, test are complicated, more demanding to tester, frequently disconnect operation meeting
The damage for causing connecting portion, leaves security risk.In order to solve reactor inductance amount test problem, need to research and develop more convenient letter
Single inductance automatic test machine.
Summary of the invention
In view of this, it is necessary to provide a kind of electrical sensing test-run a machines tested and be simple and efficient automatically.
A kind of electrical sensing test-run a machine, for testing the inductance of reactor, the electrical sensing test-run a machine includes test device, electric current
Table, voltmeter and industrial computer, the test device include power module and at least one test position, at least one test position
Place reactor to be measured, the power module is electrically connected at least one test position and output voltage is to the reactance to be measured
The current value and electricity of device, the ammeter and the voltmeter reactor to be measured described in continuous acquisition in multiple cycles of output voltage
Pressure value, and feed back to the inductance that the industrial computer calculates the reactor to be measured.
Electrical sensing test-run a machine setting two-way test position so that wherein all the way test position test when, another way test position into
The taking and putting measured product of row, to realize that circulation is worked continuously.The electrical sensing test-run a machine tests reactor by voltammetry automatically
Inductance provides the test equipment and method being simple and efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electrical sensing test-run a machine of present pre-ferred embodiments.
Fig. 2 is the functional block diagram of the electrical sensing test-run a machine of present pre-ferred embodiments.
Main element symbol description
Electrical sensing test-run a machine 100
Test device 10
Power module 11
Current transformer 12
Input control module 13
First via input control end 132
Second tunnel input control end 134
Test module 14
First via test input 141
The first via tests position 142
First via test load 143
Second road test input 144
Second drive test tries position 145
Second road test load 146
Ammeter 20
Voltmeter 30
Controller 40
Industrial computer 50
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, present pre-ferred embodiments provide an electrical sensing test-run a machine 100, the inductance applied to reactor
Automatic test.The electrical sensing test-run a machine 100 includes test device 10, ammeter 20, voltmeter 30, controller (EMU) 40 and work
Industry computer (IPC) 50.The test device 10 is connected to the ammeter 20 and voltmeter 30, to output test result for institute
It states ammeter 20 and voltmeter 30 is detected.The ammeter 20 and voltmeter 30 are connected to the controller 40.The controller
40 are connected to the industrial computer 50.
The test device 10 includes power module 11, current transformer 12, input control module 13 and test module 14.
The power module 11 is electrically connected at the input control module 13 and test module 14, and provides to the test module 14
Rated current, the current transformer 12 acquire electric current by the circuit of power module 11 and input control module 13.This implementation
In example, the power module 11 is three-phase input power supply, and the current transformer 12 is threephase current transformer.The power supply mould
Block 11 can be 100KVA frequency conversion instrument or induction voltage regulator.
The input control module 13 includes first via input control end 132 and the second tunnel input control end 134.Described
Input control end 132 and the second tunnel input control end 134 are the mutually independent input control end of two-way all the way.The input control
Module 13 is also electrically connected at the controller 40, and is controlled by the controller 40.
The test module 14 includes first via test input 141, the first via test position 142, first via test load
143, the second road test input 144, the second drive test examination position 145 and the second road test load 146.The first via test input
End 141, first via test position 142, first via test load 143 are successively electrically connected；Second road test input 144,
Second drive test examination position 145 and the second road test load 146 are successively electrically connected.The first via test and the examination of the second drive test are two
The mutually independent test path in road.The first via test input 141 and second road test input 144 are electrical respectively
It is connected to first via input control end 132 and the second tunnel input control end 134, and receives the first via input control respectively
The control signal at end 132 processed and the second tunnel input control end 134.The first via test position 142 and the second drive test examination position 145 are used
In placing trial product to be measured, such as reactor respectively.The first via test load 143 and the second road test load 146 difference
It is electrically connected to the voltmeter 30.
The ammeter 20 gives the controller 40 for acquiring electric current, and by the electric current Real-time Feedback of acquisition.This implementation
In example, the ammeter 20 includes current transformer loop, for acquiring three-phase current.
The voltmeter 30 is used for collection voltages, and gives the voltage Real-time Feedback of acquisition to the controller 40.This implementation
In example, the ammeter 20 is digital voltmeter, for acquiring three-phase voltage.
The controller 40 be used to control the switch of the input power, the control input control module 13, will be described
The Voltage Feedback that the electric current and the voltmeter 30 that ammeter 20 acquires acquire is to the industrial computer 50.
The industrial computer 50 is used to handle the data of each component and shows the data.
When the electrical sensing test-run a machine 100 is unloaded, i.e., the described first via test position 142 and the second drive test examination position 145 are not
When placing product to be measured, the controller 40 opens the power module 11 with output voltage, and power supply is through the current transformer
12 output rated current.In the present embodiment, the test voltage value of the electrical sensing test-run a machine 100 can be 0-500V, test current value
It can be 0-200A.It is defeated through the first via test input 141 and second drive test examination that the power module 11 exports electric current
Enter end and 144 be provided to the first via test load 143 and the second road test load 146, since the first via tests position 142 and the
Two drive tests examination position 145 does not place product to be measured, then the voltage of the first via test load 143 and the second road test load 146
For the output voltage of the power module 11.The ammeter 20 by be connected to the current transformer 12 detect it is described specified
Electric current, and the industrial computer 50 is fed back to through the controller 40.The industrial computer 50 is according to the electricity of the acquisition
The inductance value calculation of flow valuve and the first via test load 143 and the second road test load 146 goes out the voltage module 11
Adjust output voltage values.The calculation formula that the industrial computer 50 uses are as follows: U=L (π/10) I, wherein U is voltage value, and π is
Pi, I are current value, and L is inductance value, and the unit of the inductance value L can be milihenry (mH).The controller 40 passes through calculating
Adjustment output voltage values out, to adjust the output voltage of the power module 11.
When the electrical sensing test-run a machine 100 carries out test product, the product can be reactor, and the first via tests position
142 and second drive test examination position 145 can place product to be measured respectively simultaneously, or in which one of place product to be measured.Controller 40 is opened
The power module 11 is opened with the adjustment output voltage values output voltage.11 output voltage of power module is through described first
Road test input 141 and second road test input 144 are provided to the product to be measured.The ammeter 20 and voltage
Table 30 acquires the current value and voltage value of the product to be measured respectively.In the present embodiment, the ammeter 20 and voltmeter 30 connect
Ten cycles of continuous acquisition output voltage.The current value and voltage value that the ammeter 20 and voltmeter 30 acquire respectively are through institute
It states controller 40 and feeds back to the industrial computer 50.The industrial computer 50 is according to the current value and voltage value of the acquisition
Calculate the inductance of the product to be measured.The calculation formula that the industrial computer 50 uses are as follows: L=X/ (2 π F), X=U/
I, wherein L is inductance, and U is voltage value, and I is current value, and π is pi, and F is frequency, and the unit of the inductance L can be henry
Special (H).
In the present embodiment, the data and calculated data of the display of industrial computer 50 acquisition, such as electricity
Whether the inductance of flow valuve, voltage value, inductance and test result, such as test meets preset standard.
The two-way that electrical sensing test-run a machine 100 of the invention is arranged tests position, so that wherein test position is another in test all the way
Drive test tries position and carries out taking and putting measured product, to realize that circulation is worked continuously.The electrical sensing test-run a machine 100 is automatic by voltammetry
The inductance for testing reactor, provides the test equipment and method being simple and efficient.
In conclusion although the preferred embodiment of the present invention has been disclosed for the purpose of illustration, however, the present invention not only office
It is limited to embodiment as described above, in the scope without departing from basic fundamental thought of the present invention, the technical staff of relevant industries can
Various deformation and application are carried out to it.
Claims (9)
1. a kind of electrical sensing test-run a machine, for testing the inductance of reactor, it is characterised in that: the electrical sensing test-run a machine includes test
Device, ammeter, voltmeter and industrial computer, the test device include power module and at least one test position, it is described extremely
Reactor to be measured is placed in few test position, and the power module is electrically connected at least one test position and output voltage is to institute
State reactor to be measured, the ammeter and the voltmeter reactor to be measured described in continuous acquisition in multiple cycles of output voltage
Current value and voltage value, and feed back to the inductance that the industrial computer calculates the reactor to be measured.
2. electrical sensing test-run a machine as described in claim 1, it is characterised in that: the test device further includes current transformer, institute
It states power module and is electrically connected at the input control module and test module, and provide rated current to the test module,
The current transformer acquires electric current by the circuit of power module and input control module.
3. electrical sensing test-run a machine as claimed in claim 2, it is characterised in that: the electrical sensing test-run a machine further includes controller, described
Test device further includes input control module, and the controller is respectively and electrically connected to the power module and input control mould
Block, to control the output voltage of the power module, the input control module includes mutually independent first via input control
It is mutual that end and the second tunnel input control end, first via input control end and the second tunnel input control end pass through the electric current respectively
Sensor is electrically connected to the power module.
4. electrical sensing test-run a machine as claimed in claim 3, it is characterised in that: the test module further includes first via test input
End, first via test position, first via test load, the second road test input, the second drive test examination position and the second road test load,
The first via test input and second road test input are respectively and electrically connected to first via input control end
And the second tunnel input control end.
5. electrical sensing test-run a machine as claimed in claim 4, it is characterised in that: the first via test position and the second drive test examination position are
When unloaded, the controller opens the power module with output voltage, and power supply exports rated current through the current transformer,
The rated current is provided to the first via through the first via test input and second road test input and tests
The voltage of load and the second road test load, the first via test load and the second road test load is the power module
Output voltage, the ammeter detect the rated current by being connected to the current transformer, and anti-through the controller
It is fed to the industrial computer, the industrial computer is according to the current value of the acquisition and the first via test load and
The inductance value calculation of two road test loads goes out the adjustment output voltage values of the voltage module, and the controller passes through the adjustment
Output voltage values, to adjust the output voltage of the power module.
6. electrical sensing test-run a machine as claimed in claim 5, it is characterised in that: the industrial computer calculates the adjustment output electricity
The calculation formula that pressure value uses are as follows: U=L (π/10) I, wherein U is voltage value, and π is pi, and I is current value, and L is inductance value.
7. electrical sensing test-run a machine as claimed in claim 6, it is characterised in that: first via test position and the second drive test examination position its
One of or when placing reactor to be measured respectively simultaneously, it is defeated with the adjustment output voltage values that controller opens the power module
Voltage out, the output voltage are provided to described to be measured through the first via test input and second road test input
The current value of reactor, the ammeter and the voltmeter reactor to be measured described in continuous acquisition in multiple cycles of output voltage
And voltage value, and the industrial computer is fed back to, the industrial computer is according to the current value and voltage value meter of the acquisition
Calculate the inductance of the reactor to be measured.
8. electrical sensing test-run a machine as claimed in claim 7, it is characterised in that: the industrial computer calculates the reactor to be measured
The calculation formula of use are as follows: L=X/ (2 π F), X=U/I, wherein L is inductance, and U is voltage value, and I is current value, and π is circumference
Rate, F are frequency.
9. electrical sensing test-run a machine as claimed in claim 8, it is characterised in that: the power module is three-phase input power supply, described
Current transformer is threephase current transformer, and the power module is 100KVA frequency conversion instrument or induction voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348135.1A CN109342826B (en) | 2018-11-13 | 2018-11-13 | Inductance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348135.1A CN109342826B (en) | 2018-11-13 | 2018-11-13 | Inductance tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109342826A true CN109342826A (en) | 2019-02-15 |
| CN109342826B CN109342826B (en) | 2024-03-01 |
Family
ID=65314916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811348135.1A Active CN109342826B (en) | 2018-11-13 | 2018-11-13 | Inductance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342826B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111157828A (en) * | 2020-02-26 | 2020-05-15 | 东莞立德电子有限公司 | Load test circuit and test method for alternating current reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111157828A (en) * | 2020-02-26 | 2020-05-15 | 东莞立德电子有限公司 | Load test circuit and test method for alternating current reactor |
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| Publication number | Publication date |
|---|---|
| CN109342826B (en) | 2024-03-01 |
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