CN106125021A - The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field - Google Patents
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field Download PDFInfo
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- CN106125021A CN106125021A CN201610425066.4A CN201610425066A CN106125021A CN 106125021 A CN106125021 A CN 106125021A CN 201610425066 A CN201610425066 A CN 201610425066A CN 106125021 A CN106125021 A CN 106125021A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
Abstract
The invention provides the characteristic measurement method of permeability magnetic material under a kind of quadrature bias magnetic field, the measurement system of permeability magnetic material characteristic under quadrature bias magnetic field implement；This measurement system includes digital power system power supply, quadrature field biasing generator, signal picker and computer processing unit, quadrature bias magnetic field generation device includes two U-shaped unit and tested cross print, U-shaped unit includes that bottom iron core, two side iron cores, Exciting Windings for Transverse Differential Protection, sensing winding and two permanent magnets, Exciting Windings for Transverse Differential Protection and sensing winding are separately positioned on two side iron cores.By being passed through alternating current to respectively upper strata Exciting Windings for Transverse Differential Protection and lower floor's Exciting Windings for Transverse Differential Protection, and electric current and the induced potential of sensing winding of Exciting Windings for Transverse Differential Protection is gathered by data acquisition unit, process through data and send into calculation processing unit, and then obtain the magnetization characteristic of tested permeability magnetic material；The characteristic measurement method of permeability magnetic material, simple in construction under the quadrature bias magnetic field of the present invention, easy to operate, certainty of measurement is adjustable.
Description
Technical field
The present invention relates to the measuring method of a kind of permeability magnetic material magnetic characteristic, particularly relate to a kind of survey under quadrature bias magnetic field
The method of amount permeability magnetic material characteristic.
Background technology
Along with the development of science and technology, permanent magnet material is widely used in commercial production and social life.Magnetic
Feature measurement typically uses the indirect method of measurement.Such as electric current, voltage, active force etc. can directly be measured by corresponding instrument, and
Magnetic flux, the magnetics amount such as pcrmeability must calculate by physical quantity results such as calorifics, electricity, optics.The more commonly used
Method is to utilize the law of electromagnetic induction, extrapolates magnetics amount from the electrical quantities measured.But, there is the situation of external magnetic field
Under, the magnetization characteristic of permeability magnetic material can change so that the measurement of magnetization characteristic becomes more difficult.Wherein, band biases
Quadrature field, is more and more applied to various occasion.The characteristic of permeability magnetic material is all to survey under sine alternating magnetic field at present
Examination, under quadrature field, do not test the device of magnetization characteristic.Therefore, the magnetic of permeability magnetic material under offset orthogonal magnetic field is measured
Change characteristic, become a kind of needs.
Summary of the invention
Goal of the invention: for above-mentioned prior art, proposes the measurement side of permeability magnetic material characteristic under a kind of quadrature bias magnetic field
Method, it is possible to measure the characteristic of different permeability magnetic materials under quadrature bias magnetic field.
Technical scheme: the measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field, is led by under quadrature bias magnetic field
The measurement system of magnetic material behavior is implemented；This measurement system includes that quadrature field biases generator；Quadrature bias magnetic field produces
Device includes two U-shaped unit and tested cross print, U-shaped unit include bottom iron core, two side iron cores, excitation around
Group, sensing winding, two permanent magnets；Exciting Windings for Transverse Differential Protection and sensing winding are separately positioned on two side iron cores, its umber of turn
It is N；Two permanent magnets are separately positioned on bottom iron core and the junction of two side iron cores of U-shaped unit, and two permanent magnetism
The contact surface opposite polarity of body and two side iron cores, contact area is SP；The a length of l of the direction of magnetization of permanent magnetP；Two U-shaped
Unit opening part is relative, is separately mounted to the upper and lower of cross test sample；The magnetic circuit average length of U-shaped iron core is l；
The sectional area S of cross test sample magnetic field orthotropic partt；The average length of magnetic path of cross test sample is lt；
Specifically include following steps:
1), by described digital power system power supply respectively to logical in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection
Enter alternating current；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1, its magnetic induction is B1；Lower floor's excitation around
Producing electricity excitation magnetic field intensity in group coil is H2, its magnetic induction is B2；Now, the upper and lower induction coil will produce
Raw counter electromotive force；Upper strata Exciting Windings for Transverse Differential Protection and the current value (i of lower floor's Exciting Windings for Transverse Differential Protection is gathered by data signal acquisition unitupWith
idown), and the counter electromotive force E of upper strata sensing winding1Counter electromotive force E with lower floor's sensing winding2；
2), according to Ampere circuit law:Current value with gathering, can calculate electricity excitation magnetic field intensity H1
And H2；Magnetic field intensity H in Vector modulation obtains test sampleiAnd H1And HiAngle α1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1And B2, and the magnetic field in test sample is obtained according to Vector modulation
Intensity BiAnd angle [alpha]2；
3), change the amplitude phase frequency of the upper and lower Exciting Windings for Transverse Differential Protection electric current, obtain a series of (Hi, α1) and (Bi, α2)
Value, can obtain the magnetization characteristic under quadrature bias magnetic field according to this series of value.
Further, keep the amplitude phase place of the upper and lower Exciting Windings for Transverse Differential Protection electric current, frequency identical, make amplitude change.
Further, keep the amplitude of the upper and lower Exciting Windings for Transverse Differential Protection electric current, phase place identical, make frequency change.
Further, keep the amplitude of the upper and lower Exciting Windings for Transverse Differential Protection electric current, frequency identical, make phase place change.
Further, the amplitude keeping the upper and lower Exciting Windings for Transverse Differential Protection electric current is identical, makes phase and frequency change.
Further, the phase place keeping the upper and lower Exciting Windings for Transverse Differential Protection electric current is identical, makes amplitude and frequency change.
Further, the frequency keeping the upper and lower Exciting Windings for Transverse Differential Protection electric current is identical, makes phase and amplitude change.
Described exciting current amplitude range is 10V～280V, and frequency range is 20Hz～1000Hz, phase angle scope 0 °～
180 °, and draw the permeability magnetic material magnetization characteristic under quadrature field bias condition.
Beneficial effect: invention proposes a kind of tests the method for permeability magnetic material characteristic under orthogonal permanent magnetic field, the method base
In a new device, this device have employed the high-performance Ne-Fe-B permanent magnet that the trade mark is N35H and is embedded in U-shaped iron core unit,
Produce quadrature bias magnetic field, there is simple in construction, and the quadrature field produced is stable and reliable for performance.
When using the method for testing that the present invention provides, as long as being passed through inhomogeneity to upper strata Exciting Windings for Transverse Differential Protection and lower floor's Exciting Windings for Transverse Differential Protection
Type, out of phase, different amplitudes, the electric current of different frequency, i.e. can obtain current type, phase place, amplitude and frequency to just
The magnetization characteristic of the permeability magnetic material under handing over magnetic field and current field jointly to act on, simple to operate, reliable results.
Use the present invention can also test the magnetization characteristic of different permanent magnet by changing permanent magnet.
Along with the application of quadrature field is more and more extensive, the concrete application for the present invention provides wide space.It addition,
The present invention need not produce orthogonal permanent magnetic field by means of extraneous instrument, relies on the permanent magnet being arranged on device just can produce
Hand over permanent magnetic field, implement the simplest.
Accompanying drawing explanation
Fig. 1 is for measuring system block diagram
Fig. 2 is to measure the structural representation of permeability magnetic material characteristic measuring device under quadrature field；
Fig. 3 is magnetic field intensity H-vector and magnetic induction density B synthesis schematic diagram.
In figure, 1-1 is upper strata Exciting Windings for Transverse Differential Protection, and 1-2 is that upper strata senses winding, and 3 is test sample, and 2-1 is the first permanent magnet,
2-2 is the second permanent magnet, and 4-1 is first side, upper strata iron core, and 4-2 is second side, upper strata iron core, and 5 is iron core bottom first,
6-1 is lower floor's Exciting Windings for Transverse Differential Protection, and 6-2 is that lower floor senses winding, and 7-1 is the 3rd permanent magnet, and 7-2 is the 4th permanent magnet, and 8-1 is lower floor
First side iron core, 8-2 is lower floor's second side iron core, and 9 is iron core bottom second.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field, it is characterised in that by under quadrature bias magnetic field
The measurement system of permeability magnetic material characteristic is implemented；This measurement system includes digital power system power supply, quadrature field biasing generator, encourages
Magnetic winding, sensing winding, signal picker and computer processing unit；Described quadrature bias magnetic field generation device include two embedding
There are U-shaped iron core and the test sample of permanent magnet
Described U-shaped iron core includes bottom iron core, two side iron cores, Exciting Windings for Transverse Differential Protection and two permanent magnets, and said two is forever
Magnet is separately positioned on bottom iron core and the junction of two side iron cores of described U-shaped unit, and two permanent magnets and two
The contact surface opposite polarity of side iron core, difference coiling Exciting Windings for Transverse Differential Protection and sensing winding, its coiling direction on two side iron cores
Unanimously；Described test sample is decussate texture, and said two U-shaped unit opening part is relative and orthogonal is arranged on institute
The upper and lower of the cross test sample stated.
Concrete, the U-shaped unit in upper strata includes iron core 5 bottom first, first side, upper strata iron core 4-1 and second side iron core
4-2；Bottom described first, one end of iron core 5 is very viscous with the S of the first permanent magnet 2-1 connects, first side, upper strata iron core 4-1 and first
The N of permanent magnet 2-1 is very viscous to be connect, and vertical with iron core bottom first 5；The other end of iron core 5 and the second permanent magnetism bottom described first
The N of body 2-2 is very viscous to be connect, and the S of second side, upper strata iron core 4-2 and the second permanent magnet 2-2 is very viscous, connect and with first bottom iron core 5
Vertically.The U-shaped unit of lower floor includes iron core 9 bottom second, lower floor first side iron core 8-1 and lower floor second side iron core 8-2；The
Bottom two, one end of iron core 9 is very viscous with the S of the 3rd permanent magnet 7-1 connects, lower floor first side iron core 8-1 and the 3rd permanent magnet 7-1
N very viscous connect, and vertical with iron core bottom second 9；The other end of iron core 9 and the N pole of the 4th permanent magnet 7-2 bottom described second
Bonding, the S of lower floor second side iron core 8-2 and the 4th permanent magnet 7-2 is very viscous to be connect, and vertical with iron core bottom second 9.Described
Upper strata Exciting Windings for Transverse Differential Protection 1-1, coiling on the iron core 4-2 of second side, described upper strata it is wound with in iron core unit 4-1 of first side, upper strata
Upper strata is had to sense winding 1-2；Lower floor's Exciting Windings for Transverse Differential Protection 6-1, described lower floor second it is wound with on described lower floor first side iron core 8-1
Lower floor sensing winding 6-2 it is wound with on side iron core 8-2.Described the upper and lower Exciting Windings for Transverse Differential Protection and the upper and lower sensing
Winding all uses multiply enamel-covered wire and around coiling.
A kind of testing the measuring method of permeability magnetic material characteristic under orthogonal permanent magnet bias magnetic field, it measures system block diagram such as Fig. 1
Shown in, comprise the following steps:
1) upper and lower layer Exciting Windings for Transverse Differential Protection and upper and lower layer sensing umber of turn are N, permanent magnet and bottom iron core and side iron core
Contact area be SP, a length of l of its direction of magnetizationP, U-shaped iron circuit average length is l, test sample magnetic field orthotropic part
Sectional area is St, the average length of magnetic path of test sample is lt；Computer disposal list described in these parameter values are measured and write
Unit；Meanwhile, the computer processing unit described in the write of permanent magnet magnetization characteristic curve that will record in advance；Prepare the exchange measured
Electricity amplitude range is 10V～280V, and frequency range is 20Hz～1000Hz, phase angle scope 0 °～180 °.
2) by described digital power system power supply respectively to logical in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection
Enter same frequency, phase place, but the alternating current of different amplitude；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1,
Its magnetic induction is B1；Producing electricity excitation magnetic field intensity in lower floor's excitation winding pole coil is H2, its magnetic induction is B2；This
Time, the upper and lower induction coil will produce counter electromotive force, respectively E1And E2；Gathered by described data signal acquisition device
The upper strata Exciting Windings for Transverse Differential Protection electric current of described digital power system power supply and the data of lower floor's Exciting Windings for Transverse Differential Protection electric current, and upper strata sensing winding
Counter electromotive force and the counter electromotive force of lower floor's sensing winding, and computer processing unit will be sent into after signal processing.
3) described computer processing unit is according to Ampere circuit law:Calculate electricity excitation magnetic field intensity H1
And H2；If ignoring leakage field, due to the remanent magnetism M of known permanent magnet, described computer processing unit is tested through Vector modulation
Magnetic field intensity H in printaiAnd angle [alpha]a1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1With
B2, and magnetic field intensity B in test sample is obtained according to Vector modulationaiAnd angle [alpha]a2。
According to the method described above, encourage to respectively by described digital power system power supply described upper strata Exciting Windings for Transverse Differential Protection and described lower floor
Magnetic winding is passed through identical amplitude, same phase, but different frequency alternating current；Upper strata excitation winding pole coil produces electrical excitation
Magnetic field intensity is H1, its magnetic induction is B1；Producing electricity excitation magnetic field intensity in lower floor's excitation winding pole coil is H2, its magnetic strength
Answering intensity is B2；Now, the upper and lower induction coil will produce counter electromotive force, respectively E1And E2；Believed by described data
Number harvester gathers upper strata Exciting Windings for Transverse Differential Protection electric current and the data of lower floor's Exciting Windings for Transverse Differential Protection electric current, the Yi Jishang of described digital power system power supply
The counter electromotive force of layer sensing winding and the counter electromotive force of lower floor's sensing winding, and computer disposal list will be sent into after signal processing
Unit.
Described computer processing unit is according to Ampere circuit law:Calculate electricity excitation magnetic field intensity H1With
H2；If ignoring leakage field, due to the remanent magnetism M of known permanent magnet, described computer processing unit obtains test specimens through Vector modulation
Magnetic field intensity H in sheetfiAnd angle [alpha]f1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1And B2,
And magnetic field intensity B in test sample is obtained according to Vector modulationfiAnd angle [alpha]f2。
Given in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection respectively by described digital power system power supply and be passed through
Identical amplitude, frequency, but the alternating current of out of phase；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1, its
Magnetic induction is B1；Producing electricity excitation magnetic field intensity in lower floor's excitation winding pole coil is H2, its magnetic induction is B2；Now,
The upper and lower induction coil will produce counter electromotive force, respectively E1And E2；Gathered described by described data signal acquisition device
The upper strata Exciting Windings for Transverse Differential Protection electric current of digital power system power supply and the data of lower floor's Exciting Windings for Transverse Differential Protection electric current, and the anti-electricity of upper strata sensing winding
Kinetic potential and the counter electromotive force of lower floor's sensing winding, and computer processing unit will be sent into after signal processing.
Described computer processing unit is according to Ampere circuit law:Calculate electricity excitation magnetic field intensity H1With
H2；If ignoring leakage field, due to the remanent magnetism M of known permanent magnet, described computer processing unit obtains test specimens through Vector modulation
Magnetic field intensity H in sheetpiAnd angle [alpha]p1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1And B2,
And magnetic field intensity B in test sample is obtained according to Vector modulationpiAnd angle [alpha]p2。
Given in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection respectively by described digital power system power supply and be passed through
Identical amplitude, but differ the alternating current of phase and frequency；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1,
Its magnetic induction is B1；Producing electricity excitation magnetic field intensity in lower floor's excitation winding pole coil is H2, its magnetic induction is B2；This
Time, the upper and lower induction coil will produce counter electromotive force, respectively E1And E2；Gathered by described data signal acquisition device
The upper strata Exciting Windings for Transverse Differential Protection electric current of described digital power system power supply and the data of lower floor's Exciting Windings for Transverse Differential Protection electric current, and upper strata sensing winding
Counter electromotive force and the counter electromotive force of lower floor's sensing winding, and computer processing unit will be sent into after signal processing.
Described computer processing unit is according to Ampere circuit law:Calculate electricity excitation magnetic field intensity H1With
H2；If ignoring leakage field, due to the remanent magnetism M of known permanent magnet, described computer processing unit obtains test specimens through Vector modulation
Magnetic field intensity H in sheetpfiAnd angle [alpha]pf1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1With
B2, and magnetic field intensity B in test sample is obtained according to Vector modulationpfiAnd angle [alpha]pf2。
Given in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection respectively by described digital power system power supply and be passed through
Same phase, but differ the alternating current of amplitude and frequency；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1,
Its magnetic induction is B1；Producing electricity excitation magnetic field intensity in lower floor's excitation winding pole coil is H2, its magnetic induction is B2；This
Time, the upper and lower induction coil will produce counter electromotive force, respectively E1And E2；Gathered by described data signal acquisition device
The upper strata Exciting Windings for Transverse Differential Protection electric current of described digital power system power supply and the data of lower floor's Exciting Windings for Transverse Differential Protection electric current, and upper strata sensing winding
Counter electromotive force and the counter electromotive force of lower floor's sensing winding, and computer processing unit will be sent into after signal processing.
Described computer processing unit is according to Ampere circuit law:Calculate electricity excitation magnetic field intensity H1With
H2；If ignoring leakage field, due to the remanent magnetism M of known permanent magnet, described computer processing unit obtains test specimens through Vector modulation
Magnetic field intensity H in sheetafiAnd angle [alpha]af1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1With
B2, and magnetic field intensity B in test sample is obtained according to Vector modulationafiAnd angle [alpha]af2。
Given in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection respectively by described digital power system power supply and be passed through
Same frequency, but differ the alternating current of phase and amplitude；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1,
Its magnetic induction is B1；Producing electricity excitation magnetic field intensity in lower floor's excitation winding pole coil is H2, its magnetic induction is B2；This
Time, the upper and lower induction coil will produce counter electromotive force, respectively E1And E2；Gathered by described data signal acquisition device
The upper strata Exciting Windings for Transverse Differential Protection electric current of described digital power system power supply and the data of lower floor's Exciting Windings for Transverse Differential Protection electric current, and upper strata sensing winding
Counter electromotive force and the counter electromotive force of lower floor's sensing winding, and computer processing unit will be sent into after signal processing.
Described computer processing unit is according to Ampere circuit law:Calculate electricity excitation magnetic field intensity H1With
H2；If ignoring leakage field, due to the remanent magnetism M of known permanent magnet, described computer processing unit obtains test specimens through Vector modulation
Magnetic field intensity H in sheetpaiAnd angle [alpha]pa1；Meanwhile, according toWith Φ=B × St, the magnetic induction density B that obtains1With
B2, and magnetic field intensity B in test sample is obtained according to Vector modulationpaiAnd angle [alpha]pa2。
Arranging and output AC electricity amplitude range is 10V～280V, frequency range is 20Hz～1000Hz, phase angle scope
The measured value of 0～180 °, and the permeability magnetic material magnetization characteristic drawn in above-mentioned scope under quadrature field bias condition.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. the measuring method of permeability magnetic material characteristic under a quadrature bias magnetic field, it is characterised in that led by under quadrature bias magnetic field
The measurement system of magnetic material behavior is implemented；This measurement system includes that quadrature field biases generator；Described quadrature bias magnetic field
Generator includes two U-shaped unit and tested cross print, and U-shaped unit includes bottom iron core, two side iron cores, excitations
Winding, sensing winding, two permanent magnets；Described Exciting Windings for Transverse Differential Protection and sensing winding be separately positioned on two side iron cores, its around
The group number of turn is N；Said two permanent magnet is separately positioned on bottom iron core and the junction of two side iron cores of U-shaped unit,
And two permanent magnets and the contact surface opposite polarity of two side iron cores, contact area is SP；The direction of magnetization of described permanent magnet
A length of lP；Said two U-shaped unit opening part is relative, is separately mounted to the upper and lower of cross test sample；Described U
The magnetic circuit average length of shaped iron core is l；The sectional area S of described cross test sample magnetic field orthotropic partt；Described cross test specimens
The average length of magnetic path of sheet is lt；
Specifically include following steps:
1), it is passed through friendship in described upper strata Exciting Windings for Transverse Differential Protection and described lower floor Exciting Windings for Transverse Differential Protection respectively by described digital power system power supply
Stream electricity；Producing electricity excitation magnetic field intensity in the excitation winding pole coil of upper strata is H1, its magnetic induction is B1；Lower floor's Exciting Windings for Transverse Differential Protection line
Producing electricity excitation magnetic field intensity in circle is H2, its magnetic induction is B2；Now, the upper and lower induction coil will produce instead
Electromotive force；Upper strata Exciting Windings for Transverse Differential Protection and the current value (i of lower floor's Exciting Windings for Transverse Differential Protection is gathered by data signal acquisition unitupAnd idown),
And the counter electromotive force E of upper strata sensing winding1Counter electromotive force E with lower floor's sensing winding2；
2), according to Ampere circuit law:Current value with gathering, can calculate electricity excitation magnetic field intensity H1And H2；
Magnetic field intensity H in Vector modulation obtains test sampleiAnd H1And HiAngle α1；Meanwhile, according toAnd Φ
=B × St, the magnetic induction density B that obtains1And B2, and magnetic field intensity B in test sample is obtained according to Vector modulationiAnd angle
α2；
3), change the amplitude phase frequency of the upper and lower Exciting Windings for Transverse Differential Protection electric current, obtain a series of (Hi, α1) and (Bi, α2) value, root
The magnetization characteristic under quadrature bias magnetic field can be obtained according to this series of value.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field the most as claimed in claim 1, it is characterised in that: protect
Hold the amplitude phase place of the upper and lower Exciting Windings for Transverse Differential Protection electric current, frequency identical, make amplitude change.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field the most as claimed in claim 1, it is characterised in that: protect
Hold the amplitude of the upper and lower Exciting Windings for Transverse Differential Protection electric current, phase place identical, make frequency change.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field the most as claimed in claim 1, it is characterised in that: protect
Hold the amplitude of the upper and lower Exciting Windings for Transverse Differential Protection electric current, frequency identical, make phase place change.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field the most as claimed in claim 1, it is characterised in that: protect
The amplitude holding the upper and lower Exciting Windings for Transverse Differential Protection electric current is identical, makes phase and frequency change.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field the most as claimed in claim 1, it is characterised in that: protect
The phase place holding the upper and lower Exciting Windings for Transverse Differential Protection electric current is identical, makes amplitude and frequency change.
The measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field the most as claimed in claim 1, it is characterised in that: protect
The frequency holding the upper and lower Exciting Windings for Transverse Differential Protection electric current is identical, makes phase and amplitude change.
8. the measuring method of permeability magnetic material characteristic under a kind of quadrature bias magnetic field as described in claim 1～8, its feature exists
In: alternating current amplitude range is 10V～280V, and frequency range is 20Hz～1000Hz, phase angle scope 0 °～180 °, and draws
Permeability magnetic material magnetization characteristic under quadrature field bias condition.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919150A (en) * | 2018-07-20 | 2018-11-30 | 河北工业大学 | A kind of vertical three-phase flexibility wideband rotary magnetic characteristic measuring system and measurement method |
| CN114659540A (en) * | 2022-03-29 | 2022-06-24 | 电子科技大学 | High-sensitivity surface acoustic wave vector magnetic field sensing system based on magnetic bias structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034144A (en) * | 2007-04-19 | 2007-09-12 | 北京科技大学 | Full-automatic measurement device for magnetoelectric properties of magnetoelectric material and measuring method thereof |
| CN101762797A (en) * | 2010-01-14 | 2010-06-30 | 沈阳工业大学 | Monolithic measuring system and measuring method thereof for two-dimensional magnetic property of electrical steel sheet |
| CN101865982A (en) * | 2010-06-18 | 2010-10-20 | 中国科学院电工研究所 | Device and method for measuring ambipolar magnetic moment of spatial magnet |
| CN102156268A (en) * | 2011-03-07 | 2011-08-17 | 中国人民解放军海军工程大学 | Device for measuring rotating magnetization characteristic of magnetic material |
| EP2960669A1 (en) * | 2013-02-25 | 2015-12-30 | Nissan Motor Co., Ltd. | Magnet evaluating device and method |
-
2016
- 2016-06-14 CN CN201610425066.4A patent/CN106125021B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034144A (en) * | 2007-04-19 | 2007-09-12 | 北京科技大学 | Full-automatic measurement device for magnetoelectric properties of magnetoelectric material and measuring method thereof |
| CN101762797A (en) * | 2010-01-14 | 2010-06-30 | 沈阳工业大学 | Monolithic measuring system and measuring method thereof for two-dimensional magnetic property of electrical steel sheet |
| CN101865982A (en) * | 2010-06-18 | 2010-10-20 | 中国科学院电工研究所 | Device and method for measuring ambipolar magnetic moment of spatial magnet |
| CN102156268A (en) * | 2011-03-07 | 2011-08-17 | 中国人民解放军海军工程大学 | Device for measuring rotating magnetization characteristic of magnetic material |
| EP2960669A1 (en) * | 2013-02-25 | 2015-12-30 | Nissan Motor Co., Ltd. | Magnet evaluating device and method |
Non-Patent Citations (1)
| Title |
|---|
| 张艳丽 等: "基于二维磁特性测量的电工钢片矢量磁滞模型", 《中国电机工程学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919150A (en) * | 2018-07-20 | 2018-11-30 | 河北工业大学 | A kind of vertical three-phase flexibility wideband rotary magnetic characteristic measuring system and measurement method |
| CN108919150B (en) * | 2018-07-20 | 2023-05-02 | 河北工业大学 | Vertical three-phase flexible broadband rotating magnetic characteristic measurement system and measurement method |
| CN114659540A (en) * | 2022-03-29 | 2022-06-24 | 电子科技大学 | High-sensitivity surface acoustic wave vector magnetic field sensing system based on magnetic bias structure |
| CN114659540B (en) * | 2022-03-29 | 2024-02-06 | 电子科技大学 | High-sensitivity surface acoustic wave vector magnetic field sensing system based on magnetic bias structure |
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| CN106125021B (en) | 2018-10-30 |
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