CN106771793A - For the electromagnetism Interference test system and method for rail traffic vehicles - Google Patents
For the electromagnetism Interference test system and method for rail traffic vehicles Download PDFInfo
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- CN106771793A CN106771793A CN201710200771.9A CN201710200771A CN106771793A CN 106771793 A CN106771793 A CN 106771793A CN 201710200771 A CN201710200771 A CN 201710200771A CN 106771793 A CN106771793 A CN 106771793A
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- Prior art keywords
- voltage
- rail traffic
- traffic vehicles
- electromagnetism interference
- electric machine
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Classifications
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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
-
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
Abstract
A kind of electromagnetism Interference test system and method for rail traffic vehicles is the embodiment of the invention provides, wherein, the system includes：Three voltage probes, respectively the three-phase voltage input with the traction electric machine of rail traffic vehicles connect one to one, the three-phase input voltage for measuring rail traffic vehicles traction electric machine under different operating modes in real time；Receiver, for receiving three voltages of the voltage probe measurement, for the voltage of voltage probe measurement each described, the electromagnetism Interference value of rail traffic vehicles phase input voltage of the traction electric machine of each voltage probe connection under different operating modes is tested.The program realizes that the electromagnetism Interference of rail traffic vehicles is tested by voltage probe.
Description
Technical field
The present invention relates to data test technical field, more particularly to a kind of electromagnetism Interference for rail traffic vehicles
Test system and method.
Background technology
The rail traffic vehicles such as EMUs, municipal rail train, locomotive are complicated with operating mode, and power electronic system voltage is high, work(
Rate is big.Traction convertor complex structure, can transmit substantial amounts of electromagnetism Interference by power line.Due to traction electric machine voltage
High, electric current is big, and existing EMUs, municipal rail train, locomotive electromagnetism Interference test device are to carry out spoke using current probe
Value test is penetrated, current probe cannot bear high-power impact, and the test device is not suitable for LISN (Line Impedance
Stabilization Network, line impedance stabilization net work) the difficult occasion installed.
The content of the invention
A kind of electromagnetism Interference test system for rail traffic vehicles is the embodiment of the invention provides, it is existing to solve
Test result is difficult to compare with limit of interference specified in EMC standards, cannot bear high-power impact, test occasion in having technology
Limited technical problem.The system includes：Three voltage probes, respectively with the three-phase voltage of the traction electric machine of rail traffic vehicles
Input connects one to one, the three-phase for measuring rail traffic vehicles traction electric machine under different operating modes in real time
Input voltage；Receiver, for receiving three voltages of the voltage probe measurement, for voltage probe measurement each described
Voltage, tests the phase input voltage of rail traffic vehicles traction electric machine of each voltage probe connection under different operating modes
Electromagnetism Interference value.
In one embodiment, also include：Limiter, is connected, with three voltage probes for being sent by voltage
Before the receiver, the amplitudes for limiting three voltages of the voltage probe measurement are being preset in amplitude range.
In one embodiment, also include：20dB fixed attenuators, are connected with the limiter, for the amplitude limit
Voltage adjustment watt level after device treatment.
In one embodiment, the receiver, specifically for obtaining each voltage under each operating mode by following steps
The electromagnetism Interference value of the phase input voltage of the traction electric machine of probe connection：For the electricity of voltage probe measurement each described
Pressure, the voltage that will be measured in each operating mode determines every for the voltage in each cycle as a cycle in default frequency range
The corresponding maximum voltage value of individual frequency, using the maximum voltage value as the frequency electromagnetism Interference value, the default frequency range
The electromagnetism Interference value of interior all frequencies constitutes the phase input voltage of the traction electric machine of voltage probe connection under the operating mode
Electromagnetism Interference value.
In one embodiment, the default frequency range is 9 KHzs to 30 megahertzs.
The embodiment of the present invention additionally provides a kind of electromagnetism Interference method of testing for rail traffic vehicles, to solve
Test result is difficult to compare with limit of interference specified in EMC standards, cannot bear high-power impact, checkout area in the prior art
Close limited technical problem.The method includes：By three voltage probes respectively with the three-phase of the traction electric machine of rail traffic vehicles
Voltage input end is connected one to one, and the three-phase of rail traffic vehicles traction electric machine under different operating modes is measured in real time
Input voltage；The voltage that three voltage probes are measured is received by receiver, for voltage probe measurement each described
Voltage, tests the phase input voltage of rail traffic vehicles traction electric machine of each voltage probe connection under different operating modes
Electromagnetism Interference value.
In one embodiment, before voltage is sent into the receiver, also include：By limiter limits three
The amplitude of the voltage of the voltage probe measurement is in default amplitude range.
In one embodiment, also include：The voltage after limiter treatment is adjusted by 20dB fixed attenuators
Watt level.
In one embodiment, for the voltage of voltage probe measurement each described, the rail traffic vehicles are tested and is existed
The electromagnetism Interference value of the phase input voltage of the traction electric machine of each voltage probe connection under different operating modes, including：For
The voltage of each described voltage probe measurement, the voltage that will be measured in each operating mode as a cycle, in each cycle
Voltage determine the corresponding maximum voltage value of each frequency in default frequency range, using the maximum voltage value as the frequency electromagnetism
Conduction Interference value, the electromagnetism Interference value of all frequencies constitutes voltage probe connection under the operating mode in the default frequency range
The electromagnetism Interference value of the phase input voltage of traction electric machine.
In one embodiment, the default frequency range is 9 KHzs to 30 megahertzs.
In embodiments of the present invention, by three voltage probes respectively while measure track vehicular traffic is under different operating modes
The three-phase input voltage of traction electric machine, and then the voltage measured according to each voltage probe by receiver, test tracks traffic
The electromagnetism Interference value of vehicle phase input voltage of the traction electric machine of each voltage probe connection under different operating modes, realizes
The electromagnetism Interference value of the three-phase input voltage of traction electric machine under different operating modes can simultaneously be measured.With prior art phase
Than voltage probe can bear high-power impact relative to current probe；Can be with due to carrying out voltage measurement using voltage probe
Avoid using LISN, accordingly, with respect to the scheme using current probe, the electromagnetic conductive of rail traffic vehicles to be used in the application
Disturbed test system is applied to relatively wide test occasion.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings：
Fig. 1 is a kind of knot of electromagnetism Interference test system for rail traffic vehicles provided in an embodiment of the present invention
Structure block diagram；
Fig. 2 is that a kind of electromagnetism Interference specific for rail traffic vehicles provided in an embodiment of the present invention tests system
The structured flowchart of system；
Fig. 3 is a kind of stream of electromagnetism Interference method of testing for rail traffic vehicles provided in an embodiment of the present invention
Cheng Tu.
Specific embodiment
It is right with reference to implementation method and accompanying drawing to make the object, technical solutions and advantages of the present invention become more apparent
The present invention is described in further details.Here, exemplary embodiment of the invention and its illustrating for explaining the present invention, but simultaneously
It is not as a limitation of the invention.
In embodiments of the present invention, there is provided a kind of electromagnetism Interference test system for rail traffic vehicles, such as
Shown in Fig. 1, the system includes：
Three voltage probes 101, respectively with a pair of the three-phase voltage input 1 of the traction electric machine 102 of rail traffic vehicles
Should connect (for example, as shown in figure 1, three voltage probes 101 U phases respectively with traction electric machine 102, V phases and W phase three-phases are defeated
Enter electrical connection, separately, due to inverter for traction electric machine is powered, namely three voltage probes respectively with the inversion of rail traffic vehicles
The three-phase voltage output end of device connects one to one), it is described under different operating modes for measuring the rail traffic vehicles in real time
The three-phase input voltage of traction electric machine；
Receiver 103, for receiving three voltages of the voltage probe measurement, measures for voltage probe each described
Voltage, test the rail traffic vehicles this of the traction electric machine of each voltage probe connection under different operating modes and be mutually input into electricity
The electromagnetism Interference value of pressure.
Understand as shown in Figure 1, in embodiments of the present invention, by three voltage probes respectively while measure track special bus
The three-phase input voltage of traction electric machine under different operating modes, and then the electricity measured according to each voltage probe by receiver
Pressure, the electromagnetism of test tracks vehicular traffic phase input voltage of the traction electric machine of each voltage probe connection under different operating modes
Conduction Interference value, realizes the electromagnetic conductive that can simultaneously, comprehensively measure the three-phase input voltage of traction electric machine under different operating modes
Interference value.Compared with prior art, because voltage probe is, for measurement power electronic equipment is specially designed, to can be used to test and disturb by force
Switching device under dynamic, voltage probe can bear high-power impact relative to current probe；Due to being carried out using voltage probe
Voltage measurement can avoid using LISN, when the electric current of EUT (Equipment Under Test, good conductor Device under test) is excessive
Or LISN, when being difficult to use, the voltage probe in the application is still applicable, accordingly, with respect to the scheme using current probe, this
The electromagnetism Interference test system for being used for rail traffic vehicles in application is applied to relatively wide test occasion.
During specific implementation, in order to prevent, level is excessive to cause damage to receiver device, in the present embodiment, such as Fig. 2 institutes
Show, for the electromagnetism Interference test system of rail traffic vehicles, also include：Limiter 104, with three voltage probes
101 connections, for before voltage is sent into the receiver 103, limiting the voltage that three voltage probes are measured
Amplitude is in default amplitude range.
During specific implementation, in order to improve impedance matching, the change of buffer load impedance, in the present embodiment, such as Fig. 2 institutes
Show that the above-mentioned electromagnetism Interference test system for rail traffic vehicles also includes：20dB fixed attenuators 105, it is and described
Limiter 104 is connected, for adjusting watt level to the voltage after limiter treatment.
During specific implementation, after voltage probe measurement obtains three-phase input voltage of the traction electric machine under different operating modes,
In the present embodiment, the receiver, specifically for leading of obtaining that each voltage probe under each operating mode connects by following steps
Draw the electromagnetism Interference value of the phase input voltage of motor：
For the voltage of voltage probe measurement each described, the voltage that will be measured in each operating mode is used as a cycle, pin
The corresponding maximum voltage value of each frequency is determined in default frequency range to the voltage in each cycle, using the maximum voltage value as
The electromagnetism Interference value of the frequency, the electromagnetism Interference value of all frequencies constitutes the electricity under the operating mode in the default frequency range
The electromagnetism Interference value of the phase input voltage of the traction electric machine of pressure probe connection, specifically, different operating modes on the receiver
The electromagnetism Interference value of the phase input voltage of the traction electric machine of lower different voltage probe connections can be by curve or voltage
The form of spectrum shows.
Specifically, the default frequency range be 9 KHzs to 30 megahertzs.
Specifically, the operating mode of above-mentioned rail traffic vehicles includes static operating mode and dynamic operation condition, a complete dynamic work
Condition includes the action such as starting, acceleration, coasting, deceleration, parking of train.In static operating mode, rail traffic vehicles parking brake,
Closure main circuit breaker, on pulliung circuit electricity but do not work, auxiliary circuit and all relevant devices are working properly.In dynamic operation condition
When, rail traffic vehicles are started from inactive state, and accelerate to maximum speed with peak acceleration, then coasting, and with maximum
To stopping, pulliung circuit obtains electric and work to electric braking, auxiliary circuit and all relevant devices (such as air-conditioning/heater, illuminating lamp
Deng) working properly.
During specific implementation, the above-mentioned electromagnetism Interference test system for rail traffic vehicles goes for various types
Number EMU and the rail traffic vehicles such as subway train.
Based on same inventive concept, a kind of electromagnetic conductive for rail traffic vehicles is additionally provided in the embodiment of the present invention
Disturbed test method, as described in the following examples.Due to the electromagnetism Interference method of testing solution for rail traffic vehicles
Certainly the principle of problem is similar to the electromagnetism Interference test system for rail traffic vehicles, thus be accordingly used in rail traffic vehicles
The implementation of electromagnetism Interference method of testing may refer to electromagnetism Interference test system for rail traffic vehicles
Implement, repeat part and repeat no more.
Fig. 3 is a kind of flow of the electromagnetism Interference method of testing for rail traffic vehicles of the embodiment of the present invention
Figure, as shown in figure 3, the method includes：
Step 301：By three voltage probes respectively with the three-phase voltage input one of the traction electric machine of rail traffic vehicles
One correspondence connection, measures the three-phase input voltage of rail traffic vehicles traction electric machine under different operating modes in real time；
Step 302：The voltage that three voltage probes are measured is received by receiver, for voltage probe each described
The voltage of measurement, test the rail traffic vehicles under different operating modes the traction electric machine of each voltage probe connection this is mutually defeated
Enter the electromagnetism Interference value of voltage.
In one embodiment, before voltage is sent into the receiver, also include：By limiter limits three
The amplitude of the voltage of the voltage probe measurement is in default amplitude range.
In one embodiment, also include：The voltage after limiter treatment is adjusted by 20dB fixed attenuators
Watt level.
In one embodiment, for the voltage of voltage probe measurement each described, the rail traffic vehicles are tested and is existed
The electromagnetism Interference value of the phase input voltage of the traction electric machine of each voltage probe connection under different operating modes, including：For
The voltage of each described voltage probe measurement, the voltage that will be measured in each operating mode as a cycle, in each cycle
Voltage determine the corresponding maximum voltage value of each frequency in default frequency range, using the maximum voltage value as the frequency electromagnetism
Conduction Interference value, the electromagnetism Interference value of all frequencies constitutes voltage probe connection under the operating mode in the default frequency range
The electromagnetism Interference value of the phase input voltage of traction electric machine.
In one embodiment, the default frequency range is 9 KHzs to 30 megahertzs.
In embodiments of the present invention, by three voltage probes respectively while measure track vehicular traffic is under different operating modes
The three-phase input voltage of traction electric machine, and then the voltage measured according to each voltage probe by receiver, test tracks traffic
The electromagnetism Interference value of vehicle phase input voltage of the traction electric machine of each voltage probe connection under different operating modes, realizes
The electromagnetism Interference value of the three-phase input voltage of traction electric machine under different operating modes can simultaneously be measured.With prior art phase
Than voltage probe can bear high-power impact relative to current probe；Can be with due to carrying out voltage measurement using voltage probe
Avoid using LISN, accordingly, with respect to the scheme using current probe, the electromagnetic conductive of rail traffic vehicles to be used in the application
Disturbed test system is applied to relatively wide test occasion.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvements etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of electromagnetism Interference test system for rail traffic vehicles, it is characterised in that including：
Three voltage probes, respectively the three-phase voltage input with the traction electric machine of rail traffic vehicles connect one to one, use
In the three-phase input voltage for measuring rail traffic vehicles traction electric machine under different operating modes in real time；
Receiver, for receiving three voltages of the voltage probe measurement, for the voltage of voltage probe measurement each described,
Test the electricity of rail traffic vehicles phase input voltage of the traction electric machine of each voltage probe connection under different operating modes
Magnetic Conduction Interference value.
2. the electromagnetism Interference test system of rail traffic vehicles is used for as claimed in claim 1, it is characterised in that also wrapped
Include：
Limiter, is connected with three voltage probes, for before voltage is sent into the receiver, limiting three institutes
The amplitude for stating the voltage of voltage probe measurement is being preset in amplitude range.
3. the electromagnetism Interference test system of rail traffic vehicles is used for as claimed in claim 2, it is characterised in that also wrapped
Include：
20dB fixed attenuators, are connected with the limiter, for adjusting watt level to the voltage after limiter treatment.
4. the electromagnetism Interference test system of rail traffic vehicles is used for as claimed any one in claims 1 to 3, and it is special
Levy and be, the receiver, the traction electricity specifically for obtaining each voltage probe connection under each operating mode by following steps
The electromagnetism Interference value of the phase input voltage of machine：
For each described voltage probe measurement voltage, will in each operating mode measure voltage as a cycle, for every
Voltage in the individual cycle determines the corresponding maximum voltage value of each frequency in default frequency range, using the maximum voltage value as this frequently
The electromagnetism Interference value of point, the voltage is visited under the electromagnetism Interference value of all frequencies constitutes the operating mode in the default frequency range
The electromagnetism Interference value of the phase input voltage of the traction electric machine of head connection.
5. the electromagnetism Interference test system of rail traffic vehicles is used for as claimed in claim 4, it is characterised in that described
Default frequency range is 9 KHzs to 30 megahertzs.
6. a kind of electromagnetism Interference method of testing for rail traffic vehicles, it is characterised in that including：
Three voltage probes are connected one to one with the three-phase voltage input of the traction electric machine of rail traffic vehicles respectively, it is real
When measure the three-phase input voltage of rail traffic vehicles traction electric machine under different operating modes；
The voltage that three voltage probes are measured is received by receiver, for the voltage of voltage probe measurement each described,
Test the electricity of rail traffic vehicles phase input voltage of the traction electric machine of each voltage probe connection under different operating modes
Magnetic Conduction Interference value.
7. the electromagnetism Interference method of testing of rail traffic vehicles is used for as claimed in claim 6, it is characterised in that incited somebody to action
Before voltage is sent to the receiver, also include：
The amplitude of the voltage measured by three voltage probes of limiter limits is in default amplitude range.
8. the electromagnetism Interference method of testing of rail traffic vehicles is used for as claimed in claim 7, it is characterised in that also wrapped
Include：
Watt level is adjusted to the voltage after limiter treatment by 20dB fixed attenuators.
9. the electromagnetism Interference method of testing for rail traffic vehicles as any one of claim 6 to 8, it is special
Levy and be, for the voltage of voltage probe measurement each described, test the rail traffic vehicles each electricity under different operating modes
The electromagnetism Interference value of the phase input voltage of the traction electric machine of pressure probe connection, including：
For each described voltage probe measurement voltage, will in each operating mode measure voltage as a cycle, for every
Voltage in the individual cycle determines the corresponding maximum voltage value of each frequency in default frequency range, using the maximum voltage value as this frequently
The electromagnetism Interference value of point, the voltage is visited under the electromagnetism Interference value of all frequencies constitutes the operating mode in the default frequency range
The electromagnetism Interference value of the phase input voltage of the traction electric machine of head connection.
10. the electromagnetism Interference method of testing of rail traffic vehicles is used for as claimed in claim 9, it is characterised in that institute
State default frequency range for 9 KHzs to 30 megahertzs.
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| CN201710200771.9A CN106771793A (en) | 2017-03-30 | 2017-03-30 | For the electromagnetism Interference test system and method for rail traffic vehicles |
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Cited By (1)
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| CN107741541A (en) * | 2017-10-12 | 2018-02-27 | 中车株洲电力机车有限公司 | A kind of rail traffic vehicles built-in field intensity near-field test method and system |
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Application publication date: 20170531 |