CN109444573A - A kind of terminal electromagnetism compatibility testing device, test method and system - Google Patents
A kind of terminal electromagnetism compatibility testing device, test method and system Download PDFInfo
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- CN109444573A CN109444573A CN201811171016.3A CN201811171016A CN109444573A CN 109444573 A CN109444573 A CN 109444573A CN 201811171016 A CN201811171016 A CN 201811171016A CN 109444573 A CN109444573 A CN 109444573A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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Abstract
The present invention relates to Intelligent power distribution terminal installation electromagnetical compatibility test field, a kind of terminal electromagnetism compatibility testing device and its test method, system are disclosed, to accurately measure the anti-interference ability of terminal device；Equipment of the invention includes: pressure regulator, adjustable resistance and electromagnetic compatibility equipment；Pressure regulator is connected with the low-pressure side of isolating transformer, adjustable resistance is set as three, it is connected respectively with the output end of each phase line of pressure regulator, and the output end of adjustable resistance is all connected with the input terminal of electromagnetic compatibility equipment, the output end of electromagnetic compatibility equipment is connected with the input terminal of terminal device, wherein, the input terminal of electromagnetic compatibility equipment is also connected with the output end of pressure regulator.
Description
Technical field
The present invention relates to Intelligent power distribution terminal installation electromagnetical compatibility test field more particularly to a kind of terminal electromagnetic compatibilities
Test equipment, test method and system.
Background technique
Distribution network construction investment in China's continues to increase in recent years, and the covering of power distribution automation main station system planning in 2018 is all
Districts and cities.
As distribution network construction and transformation are continuously increased, Intelligent power distribution terminal device category is more, and equipment quality is poor, power distribution network
Site environment is complicated, severe, and the Hunan area damp and hot weather duration is long, and thunderstorm weather is more, to Intelligent power distribution terminal
Equipment total quality, Electromagnetic Compatibility and the damp and hot ability of high temperature etc. require relatively high.Currently, domestic more professions detection
Mechanism cannot effectively detect intelligent power distribution end when can be carried out inspection for Intelligent power distribution terminal installation electromagnetical compatibility
The practical anti-Electromagnetic Compatibility of end equipment.Therefore, how the anti-interference ability of effectively measuring terminal device has become one
Technical problem urgently to be resolved.
Summary of the invention
It is an object of that present invention to provide a kind of terminal electromagnetism compatibility testing device, test method and systems, with accurately
The anti-interference ability of measuring terminals equipment.
To achieve the above object, the present invention provides a kind of terminal electromagnetism compatibility testing devices, comprising: pressure regulator, electricity
Resistance and electromagnetic compatibility equipment；
The pressure regulator is connected with the low-pressure side of isolating transformer, the output end phase of described resistance one end and the pressure regulator
Even, and the other end of the resistance is connected with the input terminal of the electromagnetic compatibility equipment, the output end of the electromagnetic compatibility equipment
It is connected with the input terminal of terminal device to be measured, wherein output of the input terminal of the electromagnetic compatibility equipment also with the pressure regulator
End is connected.
Preferably, the pressure regulator is three-phase regulator, and the resistance is set as three, each resistance one end and the three-phase
The output end of one phase line of pressure regulator is connected, and input terminal of the other end of the resistance all with the electromagnetic compatibility equipment
It is connected.
Preferably, the resistance is adjustable resistance.
Preferably, the electromagnetic compatibility equipment includes generator for generating interference source and for by the interference source coupling
The coupling device in route is closed, the coupling device is connected with the coupling line of the generator.
Preferably, the coupling device is coupling clip.
Preferably, it is equipped between the input terminal and output end of the electromagnetic compatibility equipment for controlling opening for current switching
It closes.
Preferably, the switch is air switch.
As a general technical idea, the present invention also provides a kind of terminal as described above electromagnetism compatibility testing devices
Test method, comprising:
The gear of the pressure regulator, output voltage are adjusted according to the voltage value of setting；
Resistance is accessed according to the current value of setting, forms electric current；
Electromagnetic compatibility equipment generates interference source, and the interference source is coupled in voltage and current and is transmitted to terminal to be measured
Equipment；
The received voltage value of the terminal device to be measured and current value are obtained, if the voltage of the terminal device to be measured occurs
Value with setting voltage value be not consistent or not with the current value of the terminal device to be measured with setting electric current value in any one or
Two kinds of situations, the then anti-interference ability for being considered as the terminal device to be measured are unqualified.
Preferably, the electromagnetic compatibility equipment includes generator and coupling device, and the generator is used to generate interference source,
The coupling device is for interference source to be coupled in voltage and current.
The resistance is adjustable resistance, before the voltage value according to setting adjusts the gear of the pressure regulator, also
It include: that the resistance value of the adjustable resistance is adjusted to maximum.
Preferably, when the pressure regulator is three-phase regulator, the adjustable resistance is three, each adjustable resistance
One end is connected with the output end of a phase line of the three-phase regulator, and the other end of the adjustable resistance all with the electricity
The input terminal of magnetic compatible equipment is connected.
Preferably, the device that the current loop for forming electric current flows through is successively are as follows: pressure regulator, resistance, electromagnetic compatibility are set
Standby, terminal device and pressure regulator.
As a general technical idea, the present invention also provides a kind of test macro, the test macro includes above-mentioned end
End electromagnetism compatibility testing device further includes voltage regulating module, the setup module being connected with the voltage regulating module and the setting
Processing center module connected operation module and be connected with the operation module；
The voltage regulating module is used to adjust the gear of the pressure regulator, output voltage according to the voltage value of setting；
The setup module is used to control access resistance according to the current value of setting, forms electric current；
The operation module for control electromagnetic compatibility equipment generate interference source, and by the interference source be coupled to voltage and
Terminal device to be measured is transmitted in electric current；
The processing center is for obtaining the received voltage value of the terminal device to be measured and current value, and if judging to occur
The voltage value of the terminal device to be measured is not consistent and the current value of the terminal device to be measured and setting electricity with setting voltage value
Flow valuve be not consistent in any one or two kinds of situations, the then anti-interference ability for being considered as the terminal device to be measured it is unqualified.
The invention has the following advantages:
The present invention provides a kind of terminal electromagnetism compatibility testing device, test method and system, passes through and adjusts pressure regulator
Gear output voltage, and series resistor forms electric current between pressure regulator and electromagnetic compatibility equipment, control electromagnetic compatibility equipment produces
Raw interference source, and the interference source is coupled in voltage and current and is input to terminal device, terminal device can be accurately measured
Anti-interference ability.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the terminal electromagnetism compatibility testing device of the preferred embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Embodiment 1
Referring to Fig. 1, the present embodiment provides a kind of terminal electromagnetism compatibility testing devices, including pressure regulator, resistance, Yi Ji electricity
Magnetic compatible equipment；
Pressure regulator is connected with the low-pressure side of isolating transformer, and resistance one end is connected with the output end of pressure regulator, and resistance
The other end is connected with the input terminal of electromagnetic compatibility equipment, the input terminal of the output end of electromagnetic compatibility equipment and terminal device to be measured
It is connected, wherein the input terminal of electromagnetic compatibility equipment is also connected with the output end of pressure regulator.
Above-mentioned terminal electromagnetism compatibility testing device, can accurately measure the anti-interference ability of terminal device.
As the present embodiment preferred embodiment, pressure regulator is three-phase regulator.Resistance is set as three, each resistance one
End be connected with the output end of a phase line of the three-phase regulator, and the other end of resistance all with the electromagnetic compatibility equipment
Input terminal be connected.
As the present embodiment preferred embodiment, resistance is adjustable resistance.
Preferably, adjustable resistance is set as slide-wire rheostat R1, when pressure regulator is three-phase regulator, adjustable resistance three
A, each adjustable resistance one end is connected with the output end of a phase line of three-phase regulator, and the other end of adjustable resistance all with
The input terminal of electromagnetic compatibility equipment is connected.
It should be noted that the terminal is applicable to different types of terminal with electromagnetism compatibility testing device, if end to be measured
End only need to two-phase perhaps a phase when can set pressure regulator to corresponding two phase voltage regulator or single-phase voltage regulator, at this point,
Adjustable resistance is set as corresponding two or one.
As the present embodiment preferred embodiment, electromagnetic compatibility equipment includes the generator and use for generating interference source
In interference source is coupled to the coupling device in route, coupling device is connected with the coupling line of generator.
As the present embodiment preferred embodiment, coupling device is coupling clip.
As the present embodiment preferred embodiment, it is equipped between the input terminal and output end of electromagnetic compatibility equipment for controlling
The switch of current switching processed.
As the present embodiment preferred embodiment, switch as air switch.
Terminal provided by the present invention electromagnetism compatibility testing device can export electricity by adjusting the gear of pressure regulator
Pressure, and by between pressure regulator and electromagnetic compatibility equipment series resistor formed electric current, electromagnetic compatibility equipment generate interference source,
And the interference source is coupled in voltage and current and is input to terminal device, to accurately measure the anti-interference of terminal device
Ability.
Embodiment 2
The present embodiment provides a kind of test methods applied to above-mentioned test equipment, using pressure regulator as three-phase regulator, electricity
It hinders to be described as follows for adjustable resistance.
When implementation, the test method be may comprise steps of:
The gear of adjustment three-phase regulator is in zero-bit, and the resistance value of adjustable resistance is adjusted to maximum；
The gear of three-phase regulator, output voltage are adjusted according to the voltage value of setting；
It adjusts the resistance value of adjustable resistance from large to small according to the current value of setting, forms electric current；
Electromagnetic compatibility equipment generates interference source, and interference source is coupled in voltage and current and is transmitted to terminal to be measured and sets
It is standby；
Obtain the received voltage value of the terminal device to be measured and current value, if occur the voltage value of terminal device to be measured with
Setting voltage value is not consistent or not with the current value of terminal device to be measured with setting electric current value in any one or two kinds of feelings
Condition, the then anti-interference ability for being considered as terminal device to be measured are unqualified.
As the present embodiment preferred embodiment, in practical applications, by the way that the input terminal of three-phase regulator is accessed
The low pressure of isolating transformer electricity side-draw is that 380V is used for three-phase regulator.
It is worth noting that the present invention does not take electric value to limit to specific, to meet three-phase regulator use as mesh
Under the premise of, moreover it is possible to take electric value to do corresponding adjustment this.
It specifically, mainly include the voltage and current point to test terminal when testing the anti-interference ability of terminal device
It is not tested, wherein by three-phase regulator in the low pressure electricity side-draw of isolating transformer, and after output voltage, form voltage
Circuit is between isolating transformer, three-phase regulator, electromagnetic compatibility equipment, terminal device.
It should be noted that air switch is pushed into coincidence position, in the effect for the interference source that electromagnetic compatibility equipment generates
Under, the received voltage of terminal device is the voltage that joined interference source via the coupling of electromagnetic compatibility equipment, therefore, terminal device
The voltage value of the output voltage of the voltage value and three-phase regulator at place is not there may be being consistent, therefore, in practical application
In, after forming above-mentioned voltage circuit, the voltage value that terminal device receives is obtained, if the voltage value and three phase voltage regulating that detect
The voltage value of device output is inconsistent, then it is assumed that the anti-interference ability of the terminal device is weak, receives the generation of electromagnetic compatibility equipment
The interference of interference source.
After slide-wire rheostat R1 is concatenated in circuit, the resistance value of slide-wire rheostat R1 is adjusted to maximum first, prevents electricity
Generate that transient current is excessive and burn out circuit in road, the then resistance of the sequence adjustment slide-wire rheostat R1 with resistance value from big to small
Value can preferably protect circuit devcie, and form the electric current of the current value of setting, wherein the current loop for forming electric current flows through
Device successively are as follows: three-phase regulator, slide-wire rheostat R1, electromagnetic compatibility equipment, terminal device and three-phase regulator.
It should be noted that the output end of each phase line of three-phase regulator is all connected with a slide-wire rheostat R1, by
Identical in each slide-wire rheostat R1 effect in this and working principle, this sentences one of slide-wire rheostat R1 and is
Example is illustrated, and is not repeated.
At this point, the received electric current of terminal device is the electric current that joined interference source via the coupling of electromagnetic compatibility equipment, therefore
Current value at terminal device is not consistent with may exist at slide-wire rheostat R1 by adjusting current value that resistance value obtains
Therefore situation in practical applications, after forming above-mentioned current loop, samples the electric current of terminal device, if detecting
Current value be not consistent at slide-wire rheostat R1 by adjusting the obtained current value of resistance value, then it is assumed that the terminal device it is anti-
Interference performance is weak, receives the interference of the interference source of electromagnetic compatibility equipment generation.
It is worth noting that carry out it is above-mentioned the received voltage and current of terminal device measured, in conjunction with voltage
The result that the result and testing current that test obtains obtain can more accurately judge whether terminal device is set by electromagnetic compatibility
The interference of the standby interference source generated, if one in voltage tester or testing current is judged as YES and is interfered, and another
Judging result in test is not to be interfered, and also thinks that the terminal device is interfered.
As described above, the present invention provides a kind of electromagnetic compatibility test equipment and its test method, passes through and adjust three phase voltage regulating
The gear output voltage of device, and concatenate slide-wire rheostat R1 between three-phase regulator and electromagnetic compatibility equipment and form electric current, control
Electromagnetic compatibility equipment processed generates interference source, and the interference source is coupled in voltage and current and is input to terminal device, can be accurate
The anti-interference ability of ground measuring terminals equipment.
Embodiment 3
Based on the same inventive concept, the present embodiment provides a kind of test macro, test macro includes above-mentioned terminal electromagnetism
Compatibility testing device further includes voltage regulating module, the setup module being connected with voltage regulating module, the operation mould being connected with setup module
Block and the processing center being connected with operation module；
Voltage regulating module is used to adjust the gear of pressure regulator, output voltage according to the voltage value of setting；
Setup module is used to control access resistance according to the current value of setting, forms electric current；
Operation module generates interference source for controlling electromagnetic compatibility equipment, and interference source is coupled in voltage and current and is passed
Transport to terminal device to be measured；
Processing center is for obtaining the received voltage value of terminal device to be measured and current value, and if judging that terminal to be measured occurs
The voltage value of equipment with setting voltage value be not consistent or not with the current value of terminal device to be measured with setting electric current value in arbitrarily
One or two kinds of situations, the then anti-interference ability for being considered as terminal device to be measured are unqualified.
As described above, the present invention provides a kind of terminal electromagnetism compatibility testing device, test method and system, pass through adjusting
The gear output voltage of pressure regulator, and series resistor forms electric current between pressure regulator and electromagnetic compatibility equipment, control electromagnetism is simultaneous
It is installed with standby generation interference source, and the interference source is coupled in voltage and current and is input to terminal device, end can be accurately measured
The anti-interference ability of end equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of terminal electromagnetism compatibility testing device characterized by comprising pressure regulator, resistance and electromagnetic compatibility are set
It is standby；
The pressure regulator is connected with the low-pressure side of isolating transformer, and described resistance one end is connected with the output end of the pressure regulator,
And the other end of the resistance is connected with the input terminal of the electromagnetic compatibility equipment, the output end of the electromagnetic compatibility equipment with to
Survey terminal device input terminal be connected, wherein the input terminal of the electromagnetic compatibility equipment also with the output end phase of the pressure regulator
Even.
2. terminal according to claim 1 electromagnetism compatibility testing device, which is characterized in that the pressure regulator is three-phase tune
Depressor, the resistance are set as three, and each resistance one end is connected with the output end of a phase line of the three-phase regulator, and institute
The other end for stating resistance is all connected with the input terminal of the electromagnetic compatibility equipment.
3. terminal according to claim 1 or 2 electromagnetism compatibility testing device, which is characterized in that the resistance is adjustable
Resistance.
4. terminal according to claim 1 electromagnetism compatibility testing device, which is characterized in that the electromagnetic compatibility equipment packet
Include the generator for generating interference source and the coupling device for being coupled to the interference source in route, the coupling device
It is connected with the coupling line of the generator.
5. terminal according to claim 4 electromagnetism compatibility testing device, which is characterized in that the coupling device is coupling
Folder.
6. terminal according to claim 1 electromagnetism compatibility testing device, which is characterized in that the electromagnetic compatibility equipment
The switch for controlling current switching is equipped between input terminal and output end.
7. terminal according to claim 6 electromagnetism compatibility testing device, which is characterized in that the switch is opened for air
It closes.
8. a kind of such as test method of the above-mentioned terminal as claimed in claim 1 to 7 with electromagnetism compatibility testing device, feature
It is, comprising:
The gear of the pressure regulator, output voltage are adjusted according to the voltage value of setting；
Resistance is accessed according to the current value of setting, forms electric current；
Electromagnetic compatibility equipment generates interference source, and the interference source is coupled in voltage and current and is transmitted to terminal to be measured and sets
It is standby；
Obtain the received voltage value of the terminal device to be measured and current value, if occur the voltage value of the terminal device to be measured with
Setting voltage value is not consistent or not with the current value of the terminal device to be measured with setting electric current value in any one or two kinds
Situation, the then anti-interference ability for being considered as the terminal device to be measured are unqualified.
9. according to the method described in claim 8, it is characterized in that, the resistance is adjustable resistance, described according to setting
Voltage value adjusts before the gear of the pressure regulator, further includes:
The resistance value of the adjustable resistance is adjusted to maximum.
10. a kind of test macro, which is characterized in that the test macro includes any terminal of the claims 1 to 7
It further include voltage regulating module, the setup module being connected with the voltage regulating module and the setup module with electromagnetism compatibility testing device
Connected operation module and the processing center being connected with the operation module；
The voltage regulating module is used to adjust the gear of the pressure regulator, output voltage according to the voltage value of setting；
The setup module is used to control access resistance according to the current value of setting, forms electric current；
The operation module generates interference source for controlling electromagnetic compatibility equipment, and the interference source is coupled to voltage and current
In be transmitted to terminal device to be measured；
The processing center is for obtaining the received voltage value of terminal device to be measured and current value, and if judging that terminal to be measured occurs
The voltage value of equipment with setting voltage value be not consistent or not with the current value of terminal device to be measured with setting electric current value in arbitrarily
One or two kinds of situations, the then anti-interference ability for being considered as terminal device to be measured are unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171016.3A CN109444573A (en) | 2018-10-09 | 2018-10-09 | A kind of terminal electromagnetism compatibility testing device, test method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171016.3A CN109444573A (en) | 2018-10-09 | 2018-10-09 | A kind of terminal electromagnetism compatibility testing device, test method and system |
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| CN109444573A true CN109444573A (en) | 2019-03-08 |
Family
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| CN201811171016.3A Pending CN109444573A (en) | 2018-10-09 | 2018-10-09 | A kind of terminal electromagnetism compatibility testing device, test method and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239512A (en) * | 2020-01-13 | 2020-06-05 | 国网电力科学研究院武汉南瑞有限责任公司 | Electromagnetic compatibility test system suitable for power equipment |
| CN115792441A (en) * | 2022-11-23 | 2023-03-14 | 苏州科标检测有限公司 | Radiation anti-interference test method and test system |
| CN115793624A (en) * | 2023-02-15 | 2023-03-14 | 成都菁蓉联创科技有限公司 | Test board card applied to data acquisition card and data test method |
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| CN115793624A (en) * | 2023-02-15 | 2023-03-14 | 成都菁蓉联创科技有限公司 | Test board card applied to data acquisition card and data test method |
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