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三相380V输入的变频器直流母线电压的问题?
2014-3-10 14:55
- 电子技术交流论坛
- 9
- 13113
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根据转子位置对永磁同步电机进行空间矢量控制的启动状态
2013-9-2 10:04
- 工控、机电一体化
- 8
- 3027
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
开关电源的PCB布线设计
2012-7-26 15:42
- EDA 技术
- 73
- 7033
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
第一次画PCB,有什么建议吗?
2013-7-30 16:38
- PCB技术
- 11
- 1955
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
TLP521加ULN2003电路
2014-8-16 22:38
- 电路赏析
- 13
- 5959
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
关于IGBT的驱动
2014-10-8 08:45
- 工控、机电一体化
- 19
- 4783
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
解释这个电阻什么作用 逆变驱动芯片 IR2103
2013-7-13 15:18
- 电源技术
- 8
- 6178
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
再也不想用继电器了
2013-5-2 22:33
- 电子技术交流论坛
- 59
- 9518
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
接收的地址怎样用12864显示出来
2013-1-30 15:57
- 侃单片机论坛
- 23
- 4668
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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