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MAXWELL 3D 12.0

BASIC EXERCISES

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1.½¨Ä££¨Model£©

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File>Save as>Planar Cap£¨¹¤³ÌÃüÃûΪ¡°Planar Cap¡±£©

Ñ¡ÔñÇó½âÆ÷ÀàÐÍ£ºMaxwell > Solution Type> Electric> Electrostatic ´´½¨Ï¼«°åÁùÃæÌå

Draw > Box£¨´´½¨Ï¼«°åÁùÃæÌ壩 ϼ«°åÆðµã£º£¨X,Y,Z£©>£¨0, 0, 0£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨25, 25,0£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨0, 0, 2£© ½«ÁùÃæÌåÖØÃüÃûΪDownPlate

Assign Material > pec£¨ÉèÖòÄÁÏΪÀíÏëµ¼Ìåperfect conductor£© ´´½¨Éϼ«°åÁùÃæÌå

Draw > Box£¨´´½¨Ï¼«°åÁùÃæÌ壩 Éϼ«°åÆðµã£º£¨X,Y,Z£©>£¨0, 0, 3£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨25, 25,0£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨0, 0, 2£© ½«ÁùÃæÌåÖØÃüÃûΪUpPlate

Assign Material > pec£¨ÉèÖòÄÁÏΪÀíÏëµ¼Ìåperfect conductor£© ´´½¨ÖмäµÄ½éÖÊÁùÃæÌå

Draw > Box£¨´´½¨Ï¼«°åÁùÃæÌ壩 ½éÖʰåÆðµã£º£¨X,Y,Z£©>£¨0, 0, 2£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨25, 25,0£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨0, 0, 1£© ½«ÁùÃæÌåÖØÃüÃûΪmedium

Assign Material > mica£¨ÉèÖòÄÁÏÎªÔÆÄ¸mica£¬Ò²¿ÉÒÔ¸ù¾Ýʵ¼ÊÇé¿öÉèÖÃвÄÁÏ£© ´´½¨¼ÆËãÇøÓò£¨Region£© Padding Percentage£º0%

ºöÂԵ糡µÄ±ßԵЧӦ£¨fringing effect£©

µçÈÝÆ÷Öе糡·Ö²¼µÄ±ßԵЧӦ

2.ÉèÖü¤Àø£¨Assign Excitation£©

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Maxwell 3D> Excitations > Assign >Voltage > 5V Ñ¡ÖÐϼ«°åDownPlate,

Maxwell 3D> Excitations > Assign >Voltage > 0V

3.ÉèÖüÆËã²ÎÊý£¨Assign Executive Parameter£©

Maxwell 3D > Parameters > Assign > Matrix > Voltage1, Voltage2 4.ÉèÖÃ×ÔÊÊÓ¦¼ÆËã²ÎÊý£¨Create Analysis Setup£© Maxwell 3D > Analysis Setup > Add Solution Setup ×î´óµü´ú´ÎÊý£º Maximum number of passes > 10 Îó²îÒªÇó£º Percent Error > 1%

ÿ´Îµü´ú¼ÓÃÜÆÊ·Öµ¥Ôª±ÈÀý£º Refinement per Pass > 50%

5. Check & Run

6. ²é¿´½á¹û

Maxwell 3D > Reselts > Solution data > Matrix µçÈÝÖµ£º31.543pF

2. ºã¶¨µç³¡ÎÊÌâʵÀý£ºµ¼ÌåÖеĵçÁ÷·ÂÕæ

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£¨1£©Voltage Excitation£¬µ¼Ìå²»Í¬ÃæÉϵĵçѹ £¨2£©Current Excitations£¬Ê©¼ÓÔÚµ¼Ìå±íÃæµÄµçÁ÷

£¨3£©Sink£¨»ã£©£¬Ò»ÖÖÎüÊÕµçÁ÷µÄÉèÖã¬È·±£Ã¿¸öµ¼ÌåÁ÷ÈëµÄµçÁ÷µÈÓÚÁ÷³öµÄµçÁ÷¡£Ö»ÓÐÔÚ²»Ê¹ÓÃVoltage Excitationʱ£¬²ÅÓÃSink¡£±£Ö¤??J?0 DC conductionÇó½âÆ÷£º

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1.½¨Ä££¨Model£©

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File>Save as>Planar Cap£¨¹¤³ÌÃüÃûΪ¡°DC Conduction¡±£©

Ñ¡ÔñÇó½âÆ÷ÀàÐÍ£ºMaxwell > Solution Type> Electric> DC Conduction ´´½¨µ¼ÌåConductor Draw > Box

Æðµã£º£¨X,Y,Z£©>£¨1, -0.6, 0£©

×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨1, 0.2,0.2£© ½«ÁùÃæÌåÖØÃüÃûΪConductor

Assign Material > Copper£¨ÉèÖòÄÁÏΪͭ£© ´´½¨Áí3¸ö²¢Áеĵ¼Ìå Select Conductor

Edit > Duplicate > Along Line£¨ÑØÏ߸´ÖÆ£© ÊäÈëlineʸÁ¿µÄµÚ1¸öµã£º£¨0£¬0£¬0£© ÊäÈëlineʸÁ¿µÄµÚ2¸öµã£º£¨0£¬0.4£¬0£© ÊäÈë¸´ÖÆ×ÜÊý£º4£¨°üÀ¨Ô­µ¼Ì壩

´´½¨µ¼ÌåConductor_4 Draw > Box

Æðµã£º£¨X,Y,Z£©>£¨0.8, -1, 0£©

×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨0.2, 2.2,0.2£© ½«ÁùÃæÌåÖØÃüÃûΪConductor_4

Assign Material > Copper£¨ÉèÖòÄÁÏΪͭ£© ´´½¨µ¼ÌåConductor_5 Draw > Box

Æðµã£º£¨X,Y,Z£©>£¨0.8, -0.4, 0£©

×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨-1.2, 0.2,0.2£© ½«ÁùÃæÌåÖØÃüÃûΪConductor_5

Assign Material > Copper£¨ÉèÖòÄÁÏΪͭ£© ´´½¨µ¼ÌåConductor_6 Select Conductor_5

Edit > Duplicate > Mirror£¨¾µÏñ¸´ÖÆ£©

ÊäÈë¶Ô³Æ¾µÏñÆ½Ãæ·¨ÏòÁ¿ÔÚÆ½ÃæÖеĵÚ1µã×ø±ê£º£¨0£¬0£¬0£© ÊäÈë¶Ô³Æ¾µÏñÆ½Ãæ·¨ÏòÁ¿ÔÚÆ½ÃæÍâµÄµÚ2µã×ø±ê£º£¨0£¬1£¬0£© ÉÏÊöÉèÖñíʾ¾µÏñÆ½ÃæÎªXOZÆ½Ãæ ½«ÁùÃæÌåÖØÃüÃûΪConductor_6 ´´½¨µ¼ÌåConductor_7 Draw > Box

Æðµã£º£¨X,Y,Z£©>£¨-0.4£¬0.6£¬0£©

×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨-0.4, -1.2,0.2£© ½«ÁùÃæÌåÖØÃüÃûΪConductor_sink

Assign Material > Copper£¨ÉèÖòÄÁÏΪͭ£© ´´½¨¼ÆËãÇøÓò£¨Region£© Padding Percentage£º10%

2.ÉèÖü¤Àø£¨Assign Excitation£© °´f£¬½«ÌåÑ¡Ôñ¸ÄÎªÃæÑ¡Ôñ 2.1 ÉèÖõçÁ÷×¢ÈëÔ´ Ñ¡ÖÐÈçÏÂͼËùʾ6¸öÃæ

Maxwell 3D> Excitations > Assign >Current > 1A Maxwell ÔÚÉÏÊö6¸öÃæÉϲúÉú6¸öÊäÈëµçÁ÷¼¤ÀøÔ´ 2.2ÉèÖõçÁ÷»ã£¨Current Sink£© Ñ¡ÖÐCurrent_sinkµ¼ÌåµÄÏÂÁÐ2²àÃæ

Maxwell 3D> Excitations > Assign > Sink

3.ÉèÖÃÆÊ·Ö²Ù×÷£¨Assign Mesh Operations£© Ñ¡ÖÐËùÓÐÎïÌ壬Ctrl+A

Maxwell 3D> Mesh operations> Assign> Inside Selection> Length Based ²»Ñ¡Restrict length of elements

Ñ¡ÖÐRestrict the number of elements

ÊäÈëmaximum number of elements£º10000£¨ÉèÖÃÆÊ·Öµ¥ÔªµÄ×î´óÊýÁ¿£©

4.ÉèÖÃ×ÔÊÊÓ¦¼ÆËã²ÎÊý£¨Create Analysis Setup£© Maxwell 3D > Analysis Setup > Add Solution Setup

Default

5. Check & Run

6. ºó´¦Àí

»æ³öµ¼ÌåÖеĵçÁ÷Á÷Ïòͼ Ñ¡ÖÐËùÓе¼Ìå

Maxwell 3D > Fields > Fields >J > J_Vector µ÷½ÚʸÁ¿¼ýÍ·³ß´ç

3. ºã¶¨´Å³¡ÎÊÌâʵÀý£ººã¶¨´Å³¡Á¦¾Ø¼ÆËã

¼ÆËãÈçÏÂͼËùʾÓÀ´ÅÌåÄ£¿éÔÚÏßȦ´Å³¡ÖÐËùÊÜÁ¦¾Ø¡£

1.½¨Ä££¨Model£©

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File>Save as>Magnetostatic£¨¹¤³ÌÃüÃûΪ¡°Magnetostatic¡±£©

Ñ¡ÔñÇó½âÆ÷ÀàÐÍ£ºMaxwell > Solution Type> Electric> Magnetostatic ´´½¨ÏßȦ

Draw > Regular Polygon£¨´´½¨ÏßȦºá½ØÃ棩 ÖÐÐĵã×ø±ê£º £¨X,Y,Z£©>£¨0, 5, 0£© ÉèÖýØÃæ°ë¾¶£º£¨dX,dY,dZ£©>£¨0.5, 0,0£© ½ØÃæ¶à±ßÐαßÊý£ºNumber of Segments: 12 ½«¶à±ßÐÎÖØÃüÃûΪCoil Ñ¡ÖÐCoil

Draw > Sweep > Around Axis£¨ÉèÖÃÈçÏ£©

Assign Material > copper£¨ÉèÖòÄÁÏΪͭ£© ´´½¨ÓÀ´ÅÌåÄ£ÐÍ

Draw > Box£¨´´½¨Ï¼«°åÁùÃæÌ壩 Æðµã£º£¨X,Y,Z£©>£¨-3, -0.5, -0.5£© ×ø±êÆ«Ö㺣¨dX,dY,dZ£©>£¨6,1,1£© ½«ÁùÃæÌåÖØÃüÃûΪMagnet

Assign Material > NdFe35£¨ÉèÖòÄÁÏΪNdFe35ï¨ÌúÅð²ÄÁÏ£©

ÉèÖôÅÌåµÄ´Å»¯·½Ïò£¨X,Y,Z£©>£¨1,0,0£©£¨´ÅÌåÑØxÖáÕý·½Ïò´Å»¯£©

´´½¨¼¤ÀøµçÁ÷¼ÓÔØÃæ£¨Create Section£© Select Coil

Modeler > Surface > Section

Modeler > Boolean > Separate Bodies£¨·ÖÀëÁ½SectionÃæ£© ɾ³ý1¸ö½ØÃæ

Select 1¸ö½ØÃ棬Del

½«Ê£ÏµÄ1¸ö½ØÃæÖØÃüÃûΪ¡°Section1¡±

ÐýתÏßȦºÍ¼¤ÀøµçÁ÷¼ÓÔØÃæ Ñ¡ÖÐ CoilºÍSection1

´´½¨¼ÆËãÇøÓò£¨Region£© Draw > Region

Padding Percentage£º100%

2.ÉèÖü¤Àø£¨Assign Excitation£© Ñ¡ÖÐÏßȦ½ØÃ棺Section1

Maxwell 3D> Excitations > Assign > Current Name: Current1 Value: 100 Type: Stranded

3.ÉèÖüÆËã²ÎÊý£¨Assign Executive Parameter£© Ñ¡ÖÐ Magnet

Maxwell 3D > Parameters > Assign > Torque Name: Torque1 Type: Virtual

Axis: Global::Z, Positive

4.ÉèÖÃ×ÔÊÊÓ¦¼ÆËã²ÎÊý£¨Create Analysis Setup£© Maxwell 3D > Analysis Setup > Add Solution Setup ×î´óµü´ú´ÎÊý£º Maximum number of passes £ºÎó²îÒªÇó£º Percent Error: 1%

ÿ´Îµü´ú¼ÓÃÜÆÊ·Öµ¥Ôª±ÈÀý£º Refinement per Pass : 30%

5. Check & Run

6. ²é¿´½á¹û

Maxwell 3D > Reselts > Solution data > Torque Á¦¾Ø£º-2.9288E-005 (N¡¤m)

XOYÆ½Ãæ´Å³¡Ç¿¶È·ùÖµ·Ö²¼Í¼

XOYÆ½Ãæ´Å³¡Ç¿¶È·½ÏòʸÁ¿Í¼

15 4. ²ÎÊýɨÃèÎÊÌâʵÀý£ººã¶¨´Å³¡Á¦¾Ø¼ÆËã

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File>Save as> Parametric£¨¹¤³ÌÃüÃûΪ¡°Parametric¡±£© Ñ¡ÔñÇó½âÆ÷ÀàÐÍ£ºMaxwell > Solution Type> Magnetostatic ´´½¨ÏßȦ

Draw > Regular Polyhedron£¨´´½¨¶à±ßÐÎÖùÌå1£©

Center Position£¨ÖÐÐĵã×ø±ê£©£º £¨X,Y,Z£©>£¨0, 0, 0£©mm Start Position£¨Æðµã×ø±ê£©£º£¨X,Y,Z£©>£¨1.25, 0,0£©mm Axis£¨¶Ô³ÆÖᣩ£ºZ

Height£¨ÖùÌå¸ß¶È£©£º0.8mm

¶à±ßÐαßÊý£ºNumber of Segments: 36 ½«¶à±ßÐÎÖØÃüÃûΪPolyhedron1

Ñ¡ÖÐPolyhedron1£¨´´½¨¶à±ßÐÎÖùÌå2£© CTRL_C£¬CTRL_V ÐÞ¸ÄÏà¹ØÉèÖÃ

Center Position£¨ÖÐÐĵã×ø±ê£©£º £¨X,Y,Z£©>£¨0, 0, 0£©mm Start Position£¨Æðµã×ø±ê£©£º£¨X,Y,Z£©>£¨1, 0,0£©mm Axis£¨¶Ô³ÆÖᣩ£ºZ

Height£¨ÖùÌå¸ß¶È£©£º0.8mm

¶à±ßÐαßÊý£ºNumber of Segments: 36 ½«¶à±ßÐÎÖØÃüÃûΪPolyhedron2

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Ñ¡ÖÐPolyhedron1£¬Polyhedron2 Modeler > Boolean > Subtract Blank Park: Polyhedron1 Tool Park: Polyhedron2 ½«Polyhedron1ÖØÃüÃûΪCoil

Assign Material > copper£¨ÉèÖòÄÁÏΪͭ£©

´´½¨Ìú¿éÄ£ÐÍ Draw > Box

ÈÎÒâ´´½¨Ò»¸ö6ÃæÌå ³ß´ç²ÎÊýÉèÖÃÈçÏ£º

×¢Ò⣺ZSize²ÎÊýµÄֵΪ£º¡°SlugHeight¡±

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Assign Material > iron£¨ÉèÖòÄÁÏΪiron£©

´´½¨¼ÆËãÇøÓò£¨Region£© Draw > Region

Padding Percentage£º200%

´´½¨¼¤ÀøµçÁ÷¼ÓÔØÃæ£¨Create Section£© Select Coil

Modeler > Surface > Section Section Plane: YZÆ½Ãæ

Modeler > Boolean > Separate Bodies£¨·ÖÀëÁ½SectionÃæ£© ɾ³ý1¸ö½ØÃæ

Select 1¸ö½ØÃ棬Del

½«Ê£ÏµÄ1¸ö½ØÃæÖØÃüÃûΪ¡°Section1¡±

2.ÉèÖü¤Àø£¨Assign Excitation£© Ñ¡ÖÐÏßȦ½ØÃ棺Section1

Maxwell 3D> Excitations > Assign > Current

Value: AmpTurns

Type: Stranded£¨ÏßÐμ¤ÀøµçÁ÷£©

3.ÉèÖüÆËã²ÎÊý£¨Assign Executive Parameter£© Ñ¡ÖÐ Slug

Maxwell 3D > Parameters > Assign > Force Name: Force 1 Type: Virtual

4.ÉèÖÃ×ÔÊÊÓ¦¼ÆËã²ÎÊý£¨Create Analysis Setup£© Maxwell 3D > Analysis Setup > Add Solution Setup

×î´óµü´ú´ÎÊý£º Maximum number of passes £º 5 Îó²îÒªÇó£º Percent Error: 1%

ÿ´Îµü´ú¼ÓÃÜÆÊ·Öµ¥Ôª±ÈÀý£º Refinement per Pass : 30%

5. ´´½¨²ÎÊýɨÃèÉèÖÃ

Maxwell 3D > Optimetrics Analysis > Add Parametric µã»÷Add£¬´´½¨É¨Ãè²ÎÊý variableÑ¡Ôñ£º SlugHeight linear step

Start =1, Stop =2, Step = 0.5 µã»÷Add >>°´¼ü

½«SlugHeightµÄɨÃèÉèÖÃÌí¼Óµ½Óұ߿հ×À¸

variableÑ¡Ôñ£º AmpTurns £¨ÉèÖð²ÔÑÊýµÄɨÃ裩 linear step

Start =100, Stop =200, Step =50 µã»÷Add >>°´¼ü

½«AmpTurnsµÄɨÃèÉèÖÃÌí¼Óµ½Óұ߿հ×À¸ µã»÷OK.

µã»÷ Calculations×Ӳ˵¥ µã»÷ Setup Calculations

µã»÷Add Calculations

Setup1³öÏÖÔÚSetup Sweep Analysis²Ëµ¥ÖÐ µã»÷Done

ÔÚOptions ×Ӳ˵¥ÖÐ Ñ¡ÖÐÈçÏÂÉèÖÃ

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5. Check 6.¼ÆËã

ÔÚProject Manager ´°¿Ú Optimetrics

ÓÒ¼üµã»÷ ParametricSetup1 Ñ¡Ôñ Analyze 7. ²é¿´½á¹û

ÓÒ¼üµã»÷ ParametricSetup1 Ñ¡ÔñView Analysis Result

ÔÚProject Manager ´°¿Ú

ÓÒ¼üµã»÷Create Report

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µã»÷New Report

5. ºã¶¨´Å³¡ÊµÀý£ºÈýÏà±äѹÆ÷µç¸Ð¼ÆËã

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1.½¨Ä££¨Model£©

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File>Save as> Inductance £¨¹¤³ÌÃüÃûΪ¡°Inductance¡±£© Ñ¡ÔñÇó½âÆ÷ÀàÐÍ£ºMaxwell > Solution Type> Magnetostatic ¸Ä±ä×÷ͼµ¥Î»Modeler > Units > Select Units: in (inches)

´´½¨±äѹÆ÷Ìúо¿ò¼Ü Draw > Box

Position£º £¨-1,-6,0£©

Box³ß´ç£º£¨XSize, YSize, ZSize£©>£¨2,12,10£© Draw > Box

Position£º £¨-1,1 ,2£©

Box³ß´ç£º£¨XSize, YSize, ZSize£©>£¨2,3,6£© Ñ¡ÖÐBox2

Edit > Duplicate > Around Axis Axis: Z

Angle: 180 deg Total number: 2

Ñ¡ÖÐBox1 £¬Box2£¬Box2_1 Modeler > Boolean > Subtract

Blank Parts: Box1

Tool Parts: Box2£¬Box2_1

²»ÒªÑ¡£º¡°Clone tool objectsbefore subtracting¡± Draw > Box£¨´´½¨Gap£©

Ñ¡ÖÐBox1 £¬Box3

Modeler > Boolean > Subtract Blank Parts: Box1 Tool Parts: Box3

²»ÒªÑ¡£º¡°Clone tool objectsbefore subtracting¡± Ñ¡ÖÐBox1

Modeler > Boolean > Separate Bodies

½«·ÖÀëºóµÄÄ£ÐÍ·Ö±ðÖØÃüÃûΪ£º¡°Core_E¡±£¨Ô­Box1£©ºÍ¡°Core_I¡± ½«Á½ÕߵIJÄÁÏÖØÉèΪ£º¡°steel_1008¡± ´´½¨ÏßȦ

Modeler > Grid Plane > YZ Draw > Rectangle ÉèÖÃÈçÏ£º

Modeler > Grid Plane > XY Draw > Rectangle ÉèÖÃÈçÏ£º

Ñ¡ÖÐRectangle2

Modeler > Delete Last Operation£¨ÐγÉRectangle1Î§ÈÆµÄ¹ì¼££© Ñ¡ÖÐRectangle1£¬Rectangle2 Draw > Sweep > Along Path Angle of twist: 0deg Draft Angle: 0deg Draft type: Round Ñ¡ÖÐRectangle1

Edit > Duplicate > Along Line £¨X,Y,Z£©>£¨ 0, 0, 0£© £¨dX,dY,dZ£©>£¨0, 0, 1.925£© Total Number: 3

Ñ¡ÖÐRectangle1, Rectangle1_1, Rectangle1_2

Edit > Duplicate > Along Line £¨X,Y,Z£©>£¨ 0, 0, 0£© £¨dX,dY,dZ£©>£¨0, 5,0£© Total Number: 3

½«Rectangle1, Rectangle1_1ºÍ Rectangle1_2ÖØÃüÃûΪ£ºCoil_left, Coil_left_1, Coil_left_2

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Modeler > Surface > Section Ñ¡ÖÐYZÆ½Ãæ

Modeler > Boolean > Separate Bodies Edit > Delete£¨É¾³ý¶àÓàµÄÃæ£©

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´´½¨¼ÆËãÇøÓò£¨Region£© Draw > Region

2.ÉèÖü¤Àø£¨Assign Excitation£©

Ñ¡ÖÐ×ó±ßÖùÉÏÏßȦ½ØÃ棺Section1, Section2 , Section3 Maxwell 3D> Excitations > Assign > Current Name: PhaseA Value: -0.5*Mag Type: Stranded

È·ÈÏ£¬µ¯³öAdd Variable´°¿Ú Variable£ºMag > Value: 30A

Ñ¡ÖÐÖмäÖùÉÏÏßȦ½ØÃ棺Section4, Section5 , Section6 Maxwell 3D> Excitations > Assign > Current Name: PhaseB Value: Mag Type: Stranded

Ñ¡ÖÐÓÒ±ßÖùÉÏÏßȦ½ØÃ棺Section7, Section8 , Section9 Maxwell 3D> Excitations > Assign > Current Name: PhaseC Value: -0.5*Mag Type: Stranded

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4.ÉèÖüÆËã²ÎÊý£¨Assign Executive Parameter£© ÉèÖòÎÊýMatrix1

Maxwell > Parameters > Assign > Matrix µ¯³öMatrix ´°¿Ú

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