New-WinRAR-ZIP-archive.zip_zip资源-CSDN文库

共1个文件

ppt：1个

版权申诉

143 浏览量 2022-09-21 17:44:05 上传评论收藏 254KB ZIP 举报

资源推荐

资源详情

资源评论

收起资源包目录

package

New-WinRAR-ZIP-archive.zip （1个子文件）

1.ppt 399KB

/35

Pulse-Width Modulation (PWM) Techniques

Instructor: Prof. Ali Keyhani

Contact Person:

E-mail: [email protected]

Tel.: 614-292-4430

1

Department of Electrical and Computer Engineering

The Ohio State University

Lecture

Lecture

2

2

5

5

/35

ORGANIZATION

I. Voltage Source Inverter (VSI)

A. Six-Step VSI

B. Pulse-Width Modulated VSI

II. PWM Methods

A. Sine PWM

B. Hysteresis (Bang-bang)

C. Space Vector PWM

III. References

2

/35

I. Voltage Source Inverter (VSI)

A. Six-Step VSI (1)

3

 Six-Step three-phase Voltage Source Inverter

Fig. 1 Three-phase voltage source inverter.

/35

4

I. Voltage Source Inverter (VSI)

A. Six-Step VSI (2)

Fig. 2 Waveforms of gating signals, switching sequence, line to negative voltages

for six-step voltage source inverter.

 Gating signals, switching sequence and line to negative voltages

/35

I. Voltage Source Inverter (VSI)

A. Six-Step VSI (3)

where, 561 means that S

5

, S

6

and S

1

are switched on

Fig. 3 Six inverter voltage vectors for six-step voltage source inverter.

 Switching Sequence:

561 (V

1

) � 612 (V

2

) � 123 (V

3

) � 234 (V

4

) � 345 (V

5

) � 456 (V

6

) � 561 (V

1

)

5

内容反馈

版权申诉

寒泊

粉丝: 75
资源: 1万+

最新资源

资源上传下载、课程学习等过程中有任何疑问或建议，欢迎提出宝贵意见哦~我们会及时处理！点击此处反馈

feedback-tip