Ansoft Motor Manual

August 12, 2017 | Author: Ming-tsan Peng | Category: Machines, Physics & Mathematics, Physics, Electrical Components, Manufactured Goods
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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 Š

Tutorial Guide for Motor Design Š Š Š

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. Š

다음과 같은 사양을 갖는 BLDC 모터의 설계 Š Š Š Š Š Š

Š

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 Š

입력(General)

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RMxprt INPUT Š

입력(Stator1 : 스테이터 코어 치수)

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RMxprt INPUT Š

입력(Stator2 : 스테이터 권선)

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RMxprt INPUT Š

입력 ( Rotor Pole : 로터 및 영구자석 치수)

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RMxprt Results PostProcess /Design Output

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RMxprt Parametric Š

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 Š

Parametrics Š

Input variables 1

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2

RMxprt Parametric Š

Parametrics Š

Output Parameters

1

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2

RMxprt Parametric Š

Parametrics Š

Data -> Sweep 1

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2

RMxprt Parametric

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RMxprt Parametric Š

Parametrics

solving

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RMxprt Parametric Š

Parameter Table

Pole Embrace vs. Efficiency

Magnet thickness vs. Efficiency

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RMxprt Parametric 1

Š

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 Š

1

3

2

Optimization

4

5 8

6 7

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RMxprt Optimization Š

Optimization

Optimization flow

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RMxprt Optimization Š

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. Š

다음과 같은 사양을 갖는 PMDC 모터의 설계 Š Š Š Š Š

Š

Rated Output Power (kW) : 0.075 Rated Voltage (V) : 12 Number of Poles : 2 Slots : 12 Rated Speed (RPM) : 2400

설계에 사용한 Tools Š

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. Š

다음과 같은 사양을 갖는 Induction 모터의 설계 Š Š Š Š Š Š Š

Š

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 Š

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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