Ansoft Motor Manual

Tutorial Guide for Motor

Eun-Sil Han (sr. AE, Ph.D.) Ansoft Korea 2005. 11 www.cadfamily.com EMail:[email protected] The document is for study only,if tort to your rights,please inform us,we will delete

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


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


RMxprt BLDCM 선택


RMxprt INPUT

입력(General)


RMxprt INPUT

입력(Stator1 : 스테이터 코어 치수)


RMxprt INPUT

입력(Stator2 : 스테이터 권선)


RMxprt INPUT

입력 ( Rotor Pole : 로터 및 영구자석 치수)

입력이 모두 끝난 뒤 Menu/Run/ Analytical Design www.cadfamily.com EMail:[email protected] The document is for study only,if tort to your rights,please inform us,we will delete

RMxprt Results PostProcess /Design Output


RMxprt Parametric

Parametrics 2 mm < Magnet Thickness < 5 mm 0.5 < Pole Embrace < 0.95 For Each variation, calculate Ld and Efficiency


RMxprt Parametric

Parametrics

Input variables 1


2

RMxprt Parametric

Parametrics

Output Parameters

1


2

RMxprt Parametric

Parametrics

Data -> Sweep 1


2

RMxprt Parametric


RMxprt Parametric

Parametrics

solving


RMxprt Parametric

Parameter Table

Pole Embrace vs. Efficiency

Magnet thickness vs. Efficiency


RMxprt Parametric 1

Create composite plot

Output current vs. speed

Input DC current vs. speed

원하는 조건만 선택

Efficiency vs. speed


Air-Gap Flux Density

RMxprt Optimization

1

3

2

Optimization

4

5 8

6 7


RMxprt Optimization

Optimization

Optimization flow


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


64 71 78 85

92 99

RMxprt + Maxwell EM 2D


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


RMxprt -- Select Machine Type

1

2


1

PMDC Motor Design Spec – General 2


PMDC Motor Design Spec – Rotor 1 1

3

2


PMDC Motor Design Spec – Rotor 2 1

3

2

4

6


5

PMDC Motor Design Spec – Stator


PMDC Motor Design Spec – Commutator / Brush 1

3

2


Shape of PMDC Motor


Result - Performance Curve


Automatically Model Extraction : RMxprt Î Maxwell EM 2D


Material Setup : Rotor

1

Material Properties: m36_29G-rotor 3

2

B-H Nonlinear Material Check~!



Material Setup : Stator

1

Material Properties: M36_29G_Stator 로 입력

2


3


Material Setup : Permanent Magnet

1 2 3

Mag. Coercivity(Hc): -318300 Mag. Retentivity (Br) : 0.4


원하는 PM 의 자화 방향

S S

S

N

3

2

Assign Click~!

재질이 TEM으로 선택되어 있는지 확인


N

N

S

Magnet0 선택 확인

N S

1

N

1

Angle: IN 입력

2 3

4

Function Check~!

5

IN=PHI-180


6

Material Setup : Air


Material Setup : Shaft


Material Setup : Background 2

1

Background 선택


Boundary Condition : master boundary

Edit – Select – Trace 사용


Boundary Condition : slave boundary

Edit – Select – Trace 사용

2

1

Slave = -Master Check~!


Boundary Condition : value boundary

Edit – Select – Edge 사용 1

2


Name: zero_flux Value=0

Voltage Source

Voltage Check~! Name: Armature

Strand Check~! Winding 클릭


Resistance: 0.11 Inductance: 6e-5

2

3

1

Total turns as seen from terminal: 120 Number of Parallel Branches: 2



1

Name: PhA1_CD 2


1

Name: PhReA0_CD 2


1

PhA0_PI = pwlx(P, periodic, PhA0_CD) 입력

2


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)


1

2 3

PhA0 선택

Function Check~! PhA0_PI 입력


* 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


2


1

Value; 10.5 V

Manual Mesh


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~!


Mechanical Setup

Consider Mechanical 1 Transient Check~! Initial Angular Velocity: 0 Moment of Intertia: 280e-6(0.00028) Damping: 3.17e-5 2


Load Torque: -0.3

Results : Transient Analsys








RMxprt + Simplorer


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


RMxprt – Select Machine Type 1

2


Induction Motor Design Spec. General Parameter


Induction Motor Design Spec. Stator Core Parameter


Induction Motor Design Spec. Stator winding Parameter


Induction Motor Design Spec. Rotor Core Parameter


Induction Motor Design Spec. Rotor endring Parameter


Analysis Results Characteristic Graph

Characteristic Data


Rmxprt to Simplorer Component 권선 결선도 확인

.SML 확장자로 모델을 생성 Î Simplorer 에서 component로 이용가능


Simplorer – Interfaces 1 4 2 3 5

N A ROT1 B ROT2 C


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


0

790.00m

Omega


Ansoft Motor Manual

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