Tutorial Guide for Motor
Eun-Sil Han (sr. AE, Ph.D.) Ansoft Korea 2005. 11 www.cadfamily.com EMail:
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Contents
Tutorial Guide for Motor Design
BLDC using RMxprt PMDC using RMxprt + Maxwell EM 2D Induction 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) : 0.55 Rated Voltage (V) : 220 Number of Poles : 4 Slots : 12 Rated Speed (RPM) : 1500 Y 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 뒤 Menu/Run/ Analytical Design www.cadfamily.com EMail:
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RMxprt Results PostProcess /Design Output
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RMxprt Parametric
Parametrics 2 mm < Magnet Thickness < 5 mm 0.5 < Pole Embrace < 0.95 For Each variation, calculate Ld and Efficiency
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RMxprt Parametric
Parametrics
Input variables 1
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2
RMxprt Parametric
Parametrics
Output Parameters
1
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2
RMxprt Parametric
Parametrics
Data -> Sweep 1
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2
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 1
Create composite plot
Output current vs. speed
Input DC current vs. speed
원하는 조건만 선택
Efficiency vs. speed
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Air-Gap Flux Density
RMxprt Optimization
1
3
2
Optimization
4
5 8
6 7
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RMxprt Optimization
Optimization
Optimization flow
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RMxprt Optimization
Optimization Step 85
efficiency .
84.8 84.6 84.4 84.2 84 83.8 1
8
15 22 29
36 43 50 57 step
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64 71 78 85
92 99
RMxprt + Maxwell EM 2D
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PMDC Motor Spec.
다음과 같은 사양을 갖는 PMDC 모터의 설계
Rated Output Power (kW) : 0.075 Rated Voltage (V) : 12 Number of Poles : 2 Slots : 12 Rated Speed (RPM) : 2400
설계에 사용한 Tools
RMxprt v5 + Maxwell EM 2D v10
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RMxprt -- Select Machine Type
1
2
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1
PMDC Motor Design Spec – General 2
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PMDC Motor Design Spec – Rotor 1 1
3
2
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PMDC Motor Design Spec – Rotor 2 1
3
2
4
6
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5
PMDC Motor Design Spec – Stator
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PMDC Motor Design Spec – Commutator / Brush 1
3
2
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Shape of PMDC Motor
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Result - Performance Curve
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Automatically Model Extraction : RMxprt Î Maxwell EM 2D
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Material Setup : Rotor
1
Material Properties: m36_29G-rotor 3
2
B-H Nonlinear Material Check~!
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Material Setup : Stator
1
Material Properties: M36_29G_Stator 로 입력
2
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3
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Material Setup : Permanent Magnet
1 2 3
Mag. Coercivity(Hc): -318300 Mag. Retentivity (Br) : 0.4
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원하는 PM 의 자화 방향
S S
S
N
3
2
Assign Click~!
재질이 TEM으로 선택되어 있는지 확인
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N
N
S
Magnet0 선택 확인
N S
1
N
1
Angle: IN 입력
2 3
4
Function Check~!
5
IN=PHI-180
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6
Material Setup : Air
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Material Setup : Shaft
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Material Setup : Background 2
1
Background 선택
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Boundary Condition : master boundary
Edit – Select – Trace 사용
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Boundary Condition : slave boundary
Edit – Select – Trace 사용
2
1
Slave = -Master Check~!
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Boundary Condition : value boundary
Edit – Select – Edge 사용 1
2
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Name: zero_flux Value=0
Voltage Source
Voltage Check~! Name: Armature
Strand Check~! Winding 클릭
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Resistance: 0.11 Inductance: 6e-5
2
3
1
Total turns as seen from terminal: 120 Number of Parallel Branches: 2
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1
Name: PhA1_CD 2
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1
Name: PhReA0_CD 2
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1
PhA0_PI = pwlx(P, periodic, PhA0_CD) 입력
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 Object List
Function Name
PhA1
PhA1_PI
PhA2
PhA2_PI
PhA3
PhA3_PI
PhA4
PhA4_PI
PhA5
PhA5_PI
PhReA0
PhReA0_PI
PhReA7
PhReA7_PI
PhReA8
PhReA8_PI
PhReA9
PhReA9_PI
PhReA10
PhReA10_PI
PhReA11
PhReA11_PI
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2
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1
Value; 10.5 V
Manual Mesh
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1
• Starting Mesh: Current
2
• Solver Choice: Direct 3 4
• Starting From time zero Check~! • Time Step: 0.0002 • Stop Time: 0.15
5 6
• Save Fields Time Step: Setup 버튼 클릭~! Model Depth: 40 mm
7
Symetry multiplier: 2
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Mechanical Setup : Motion Type
3
2 1
Set position에서 (0,0) 선택
Type of Motion: Rotation Check~!
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Mechanical Setup
Consider Mechanical 1 Transient Check~! Initial Angular Velocity: 0 Moment of Intertia: 280e-6(0.00028) Damping: 3.17e-5 2
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Load Torque: -0.3
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 설계
Rated Output Power (kW) : 7.5 Rated Voltage (V) : 380 Number of Poles : 4 Frequency : 50 Hz Slots : 12 Rated Speed (RPM) : 1360 Y Type 3Phase Connecting
설계에 사용한 Tools
RMxprt v5 + Simplorer v7
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RMxprt – Select Machine Type 1
2
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Induction Motor Design Spec. General Parameter
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Induction Motor Design Spec. Stator Core Parameter
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Induction Motor Design Spec. Stator winding Parameter
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Induction Motor Design Spec. Rotor Core Parameter
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Induction Motor Design Spec. Rotor endring Parameter
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Analysis Results Characteristic Graph
Characteristic Data
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Rmxprt to Simplorer Component 권선 결선도 확인
.SML 확장자로 모델을 생성 Î Simplorer 에서 component로 이용가능
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Simplorer – Interfaces 1 4 2 3 5
N A ROT1 B ROT2 C
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RMX
Co-Simulation Results RMxprt Link MASS_ROT1
AMPL := 311.126983722081 V FREQ := 60 Hz E1 E2
PHASE := 0 deg
N A
PHASE := 120 deg
ROT1
F_ROT1
B
E3
PHASE := 240 deg
ROT2 C
RMX
1. voltage source*3 2. Physical domain> J := 0.09 kg m% mechanical> T 50 Nm Rotational_V> Mass*1 Torque source*1
RMxprtLink1 2DGraphSel1
2DGraphSel1
2DGraphSel1
175.00
150.00
312.50 E1.V [V] E2.V [V] E3.V [V]
0
E1.I [A] E2.I [A] E3.I [A]
0
0
790.00m
Phase Voltage
100.00
F_ROT1.TO... F ROT1.OM...
-1.75
-144.00
-312.50
Torque
0
790.00m
Phase Current
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0
790.00m
Omega
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