ansoft motor manual
TRANSCRIPT
Tutorial Guide for Motor
Eun-Sil Han (sr. AE, Ph.D.)Ansoft Korea
2005. 11
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Contents
Tutorial Guide for Motor DesignBLDC using RMxprtPMDC using RMxprt + Maxwell EM 2DInduction Motor using RMxprt + Simplorer
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RMxprt
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BLDC Motor Spec.
다음과 같은 사양을 갖는 BLDC 모터의 설계
Rated Output Power (kW) : 0.55Rated Voltage (V) : 220Number of Poles : 4Slots : 12Rated Speed (RPM) : 1500Y Type 3Phase Connecting
설계에 사용한 Tools : RMxprt v5
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RMxprt
BLDCM 선택
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RMxprt INPUT
입력(General)
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RMxprt INPUT
입력(Stator1 : 스테이터 코어 치수)
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RMxprt INPUT
입력(Stator2 : 스테이터 권선)
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RMxprt INPUT
입력 ( Rotor Pole : 로터 및 영구자석 치수)
입력이 모두 끝난 뒤Menu/Run/ Analytical Design
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RMxprt ResultsPostProcess/Design Output
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RMxprt Parametric
Parametrics
2 mm < Magnet Thickness < 5 mm0.5 < Pole Embrace < 0.95
For Each variation, calculate Ld and Efficiency
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RMxprt Parametric Parametrics
Input variables
1
2
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RMxprt Parametric Parametrics
Output Parameters
1
2
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RMxprt Parametric Parametrics
Data -> Sweep
1
2
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RMxprt Parametric
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RMxprt Parametric
Parametrics
solving
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RMxprt Parametric Parameter Table Pole Embrace vs. Efficiency
Magnet thickness vs. Efficiency
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RMxprt Parametric Create composite plot1
Efficiency vs. speed
Input DC current vs. speed
Output current vs. speed
Air-Gap Flux Density
원하는 조건만 선택
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RMxprt OptimizationOptimization1
2 3
4
5
6
7
8
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RMxprt Optimization
Optimization
Optimization flow
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RMxprt Optimization
83.8
84
84.2
84.4
84.6
84.8
85
1 8 15 22 29 36 43 50 57 64 71 78 85 92 99
step
effic
iency
.Optimization Step
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RMxprt + Maxwell EM 2D
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PMDC Motor Spec.
다음과 같은 사양을 갖는 PMDC 모터의 설계Rated Output Power (kW) : 0.075Rated Voltage (V) : 12Number of Poles : 2Slots : 12Rated Speed (RPM) : 2400
설계에 사용한 ToolsRMxprt v5 + Maxwell EM 2D v10
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1
2
RMxprt-- Select Machine Type
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1
2
PMDC Motor Design Spec – General
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1
2
3
PMDC Motor Design Spec – Rotor 1
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1
3 2
PMDC Motor Design Spec – Rotor 2
4
56
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PMDC Motor Design Spec – Stator
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1
23
PMDC Motor Design Spec – Commutator / Brush
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Shape of PMDC Motor
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Result - Performance Curve
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Automatically Model Extraction : RMxprt Maxwell EM 2D
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Material Properties: m36_29G-rotor
1
2
3
B-H Nonlinear Material Check~!
Material Setup : Rotor
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1Material Properties:
M36_29G_Stator 로 입력
2
3
Material Setup : Stator
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2
Mag. Coercivity(Hc): -318300
Mag. Retentivity (Br) : 0.4
1
3
Material Setup : Permanent Magnet
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Magnet0 선택 확인1
재질이 TEM으로 선택되어 있는지 확인
Assign Click~!
2
3
원하는 PM 의 자화 방향
NN
N
S
SS
S
S
N
N
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45
IN=PHI-1806
12
Angle: IN 입력
3Function Check~!
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Material Setup : Air
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Material Setup : Shaft
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Background 선택1
2
Material Setup : Background
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Boundary Condition : master boundary
Edit – Select – Trace 사용
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1 Slave = -Master Check~!2
Boundary Condition : slave boundary
Edit – Select – Trace 사용
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Name: zero_flux
Value=0
1
2
Boundary Condition : value boundary
Edit – Select – Edge 사용
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Voltage Check~!
Strand Check~!
Winding 클릭
Name: Armature
Voltage Source
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Total turns as seen from terminal: 120
Number of Parallel Branches: 2
Resistance: 0.11
Inductance: 6e-5
1
2
3
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Name: PhA1_CD
2
1
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Name: PhReA0_CD
2
1
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PhA0_PI = pwlx(P, periodic, PhA0_CD) 입력1
2
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전 페이지와 같은 방법으로 나머지 값들도 아래의 내용대로 입력하여 Add
PhA1_PI = pwlx(P, periodic, PhA1_CD)
PhA2_PI = pwlx(P, periodic, PhA2_CD)
PhA3_PI = pwlx(P, periodic, PhA3_CD)
PhA4_PI = pwlx(P, periodic, PhA4_CD)
PhA5_PI = pwlx(P, periodic, PhA5_CD)
PhReA0_PI = pwlx(P, periodic, PhReA0_CD)
PhReA7_PI = pwlx(P, periodic, PhReA7_CD)
PhReA8_PI = pwlx(P, periodic, PhReA8_CD)
PhReA9_PI = pwlx(P, periodic, PhReA9_CD)
PhReA10_PI = pwlx(P, periodic, PhReA10_CD)
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1
2
3
PhA0 선택
Function Check~!
PhA0_PI 입력
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* 전 페이지와 같은 방법으로 아래의 내용들을 입력 후, Assign
PhReA9_PIPhReA9
PhReA8_PIPhReA8
PhA3_PIPhA3
PhA2_PIPhA2
PhA1_PI PhA1
PhReA11_PIPhReA11
PhReA10_PIPhReA10
PhReA7_PIPhReA7
PhReA0_PIPhReA0
PhA5_PIPhA5
PhA4_PIPhA4
Function NameObject List
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Value; 10.5 V2 1
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Manual Mesh
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1
2
3
4
56
• Starting Mesh: Current
• Solver Choice: Direct
• Starting From time zero Check~!
• Time Step: 0.0002
• Stop Time: 0.15
• Save Fields Time Step: Setup 버튼 클릭~!
Model Depth: 40 mm
Symetry multiplier: 2
8
7
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Type of Motion: Rotation Check~!
Set position에서 (0,0) 선택1
23
Mechanical Setup : Motion Type
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Consider Mechanical Transient Check~!
Initial Angular Velocity: 0
Moment of Intertia: 280e-6(0.00028)
Damping: 3.17e-5
Load Torque: -0.3
1
2
Mechanical Setup
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Results : Transient Analsys
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Results : Transient Analsys
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Results : Transient Analsys
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Results : Transient Analsys
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RMxprt + Simplorer
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3Phase Induction Motor Spec.
다음과 같은 사양을 갖는 Induction 모터의 설계Rated Output Power (kW) : 7.5Rated Voltage (V) : 380Number of Poles : 4Frequency : 50 HzSlots : 12Rated Speed (RPM) : 1360Y Type 3Phase Connecting
설계에 사용한 ToolsRMxprt v5 + Simplorer v7
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RMxprt – Select Machine Type1
2
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Induction Motor Design Spec.
General Parameter
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Stator Core Parameter
Induction Motor Design Spec.
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Stator winding Parameter
Induction Motor Design Spec.
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Rotor Core Parameter
Induction Motor Design Spec.
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Rotor endring Parameter
Induction Motor Design Spec.
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Analysis Results
Characteristic Graph Characteristic Data
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Rmxprt to Simplorer Component
.SML 확장자로 모델을 생성Simplorer 에서
component로 이용가능
권선 결선도 확인
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Simplorer – Interfaces
RMX
A
B
C
N
ROT1
ROT2
1
2
3
4
5
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Co-Simulation Results
RMX
A
B
C
N
ROT1
ROT2
RMxprtLink1
E1
E2
E3
-312.50
312.50
0
0 790.00m
2DGraphSel1
E1.V [V] E2.V [V] E3.V [V]
-144.00
150.00
0
0 790.00m
2DGraphSel1
E1.I [A] E2.I [A] E3.I [A]
MASS_ROT1
T
F_ROT1
-1.75
175.00
100.00
0 790.00m
2DGraphSel1
F_ROT1.TO... F ROT1.OM...
RMxprt Link
J := 0.09 kg m%
50 Nm
FREQ := 60 HzPHASE := 0 deg
AMPL := 311.126983722081 V
PHASE := 120 deg
PHASE := 240 deg
1. voltage source*32. Physical domain>
mechanical>Rotational_V>
Mass*1Torque source*1
Phase Voltage Phase Current
Torque
Omega
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