逆变器双环程序设计问题.

[复制链接]
2225|0
 楼主| snakeemail 发表于 2008-5-16 16:45 | 显示全部楼层 |阅读模式
The&nbsp;output&nbsp;value&nbsp;of<br />the&nbsp;voltage&nbsp;loop&nbsp;is&nbsp;also&nbsp;normalized&nbsp;to&nbsp;be&nbsp;limited&nbsp;between&nbsp;48000&nbsp;and&nbsp;–48000.&nbsp;Suppose&nbsp;that<br />the&nbsp;maximum&nbsp;positive&nbsp;value&nbsp;of&nbsp;the&nbsp;primary&nbsp;current&nbsp;is&nbsp;130A&nbsp;and&nbsp;the&nbsp;attenuation&nbsp;coefficient<br />is&nbsp;22&nbsp;/&nbsp;2000&nbsp;=&nbsp;0.011,&nbsp;then&nbsp;the&nbsp;original&nbsp;AD&nbsp;conversion&nbsp;result&nbsp;is&nbsp;130&nbsp;×&nbsp;0.011&nbsp;×&nbsp;4096&nbsp;/&nbsp;5&nbsp;=&nbsp;1171&nbsp;.<br />Therefore&nbsp;all&nbsp;the&nbsp;AD&nbsp;conversion&nbsp;results&nbsp;of&nbsp;the&nbsp;primary&nbsp;current&nbsp;should&nbsp;be&nbsp;multiplied&nbsp;by<br />48000&nbsp;/1171&nbsp;=&nbsp;41&nbsp;for&nbsp;normalization&nbsp;in&nbsp;order&nbsp;to&nbsp;be&nbsp;limited&nbsp;within&nbsp;the&nbsp;output&nbsp;range&nbsp;of&nbsp;voltage<br />loop.<br />1.这篇文档假设了电压环经过PI补偿后输出范围是48000到负的48000,这个是怎么搞出来的?<br />
您需要登录后才可以回帖 登录 | 注册

本版积分规则

547

主题

1909

帖子

8

粉丝
快速回复 在线客服 返回列表 返回顶部