ansoft motor manual

Tutorial Guide for Motor

Eun-Sil Han (sr. AE, Ph.D.)Ansoft Korea

2005. 11

www.cadfamily.com EMail:cadserv21@hotmail.comThe document is for study only,if tort to your rights,please inform us,we will delete

Contents

Tutorial Guide for Motor DesignBLDC using RMxprtPMDC using RMxprt + Maxwell EM 2DInduction Motor using RMxprt + Simplorer

RMxprt

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

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 뒤Menu/Run/ Analytical Design

RMxprt ResultsPostProcess/Design Output

RMxprt Parametric

Parametrics

2 mm < Magnet Thickness < 5 mm0.5 < Pole Embrace < 0.95

For Each variation, calculate Ld and Efficiency

RMxprt Parametric Parametrics

Input variables

Output Parameters

Data -> Sweep

RMxprt Parametric

Parametrics

solving

RMxprt Parametric Parameter Table Pole Embrace vs. Efficiency

Magnet thickness vs. Efficiency

RMxprt Parametric Create composite plot1

Efficiency vs. speed

Input DC current vs. speed

Output current vs. speed

Air-Gap Flux Density

원하는 조건만 선택

RMxprt OptimizationOptimization1

RMxprt Optimization

Optimization

Optimization flow

RMxprt Optimization

1 8 15 22 29 36 43 50 57 64 71 78 85 92 99

.Optimization Step

RMxprt + Maxwell EM 2D

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

RMxprt-- Select Machine Type

PMDC Motor Design Spec – General

PMDC Motor Design Spec – Rotor 1

PMDC Motor Design Spec – Rotor 2

PMDC Motor Design Spec – Stator

PMDC Motor Design Spec – Commutator / Brush

Shape of PMDC Motor

Result - Performance Curve

Automatically Model Extraction : RMxprt Maxwell EM 2D

Material Properties: m36_29G-rotor

B-H Nonlinear Material Check~!

Material Setup : Rotor

1Material Properties:

M36_29G_Stator 로 입력

Material Setup : Stator

Mag. Coercivity(Hc): -318300

Mag. Retentivity (Br) : 0.4

Material Setup : Permanent Magnet

Magnet0 선택 확인1

재질이 TEM으로 선택되어 있는지 확인

Assign Click~!

원하는 PM 의 자화 방향

IN=PHI-1806

Angle: IN 입력

3Function Check~!

Material Setup : Air

Material Setup : Shaft

Background 선택1

Material Setup : Background

Boundary Condition : master boundary

Edit – Select – Trace 사용

1 Slave = -Master Check~!2

Boundary Condition : slave boundary

Edit – Select – Trace 사용

Name: zero_flux

Value=0

Boundary Condition : value boundary

Edit – Select – Edge 사용

Voltage Check~!

Strand Check~!

Winding 클릭

Name: Armature

Voltage Source

Total turns as seen from terminal: 120

Number of Parallel Branches: 2

Resistance: 0.11

Inductance: 6e-5

Name: PhA1_CD

Name: PhReA0_CD

PhA0_PI = pwlx(P, periodic, PhA0_CD) 입력1

전 페이지와 같은 방법으로 나머지 값들도 아래의 내용대로 입력하여 Add

PhA1_PI = pwlx(P, periodic, PhA1_CD)

PhReA0_PI = pwlx(P, periodic, PhReA0_CD)

PhA0 선택

Function Check~!

PhA0_PI 입력

* 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

Value; 10.5 V2 1

Manual Mesh

• 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

Type of Motion: Rotation Check~!

Set position에서 (0,0) 선택1

Mechanical Setup : Motion Type

Consider Mechanical Transient Check~!

Initial Angular Velocity: 0

Moment of Intertia: 280e-6(0.00028)

Damping: 3.17e-5

Load Torque: -0.3

Mechanical Setup

Results : Transient Analsys

RMxprt + Simplorer

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

RMxprt – Select Machine Type1

Induction Motor Design Spec.

General Parameter

Stator Core Parameter

Stator winding Parameter

Rotor Core Parameter

Rotor endring Parameter

Analysis Results

Characteristic Graph Characteristic Data

Rmxprt to Simplorer Component

.SML 확장자로 모델을 생성Simplorer 에서

component로 이용가능

권선 결선도 확인

Simplorer – Interfaces

Co-Simulation Results

RMxprtLink1

-312.50

312.50

0 790.00m

2DGraphSel1

E1.V [V] E2.V [V] E3.V [V]

-144.00

150.00

0 790.00m

2DGraphSel1

E1.I [A] E2.I [A] E3.I [A]

MASS_ROT1

F_ROT1

175.00

100.00

0 790.00m

2DGraphSel1

F_ROT1.TO... F ROT1.OM...

RMxprt Link

J := 0.09 kg m%

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

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