过零比较,zero crossing comparison,在线英语词典,英文翻译,专业英语

1) zero crossing comparison

过零比较

By means of connecting divider capacitor in series with the outmost shielding layer of the bushing for capacitive apparatus, the fundamental frequency voltage signal is extracted, then the dielectric loss angle is measured by a new approach that combines absolute measurement method with zero crossing comparison method.

作者通过与容性设备末屏串联分压电容的方法提取工频电压信号,采用绝对测量和过零比较法相结合的新方法测量介质损耗角;对影响测量精度的相关问题进行了分析,并提出了解决办法;引入了横向比较法和趋势分析法等绝缘诊断策略。

2) zero-crossing comparator

过零比较器

3) crossing zero comparison algorithm

过零比较法

4) zero-crossing

过零

5) zero crossing triggering

过零触发

The AVR singlechip is used for the core of controller,the automatic compensation optimum control method is established based on reactive power compensation principle,the problem of thyristor switched wrong trigger is solved by the technology of zero crossing triggering,switched vibration i.

采用AVR单片机系统作为控制器的核心,从无功补偿原理出发,建立了自动补偿最优控制方法,采用过零触发技术解决了晶闸管投切误触发的问题,减少了投切振荡,动态响应速度快。

In this article,the authors discuss how to implement the full automatic real time compensation of reactive power using several methods:a)applying "Power Trac" module,b)acguiring the system parameters,c)connecting/disconnecting the capacitors block based on the reactive power of the system by means of zero crossing triggering of SCR components.

应用 Power Trac模块 ,采集系统参数 ,根据系统的无功电流 ,通过可控硅元件过零触发技术 ,投入 /切除电容器组 ,以达到无功功率的全自动实时补

6) zero-crossing point

过零点

This method directly extracts the true back electromotive force(EMF) zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link.

为了实现无刷直流电机的无位置传感器控制,提出了一种新颖的转子位置信号检测方法,该方法通过比较逆变器直流环中点电压和电机断开相绕组端电压的关系,直接检测到断开相绕组反电动势的过零点,再将该过零点延迟30°电角度即可获得无刷直流电机绕组换相所必须的转子位置信号。

参考词条

过零率过零失真过零算法有功过零过零时间过零调功高质量浓度的Cl~- 化学损坏

补充资料：零息票债券；零券息债券

零息票债券；零券息债券一种以低于票面价值的价格发行的债务工具。债券不支付任何票息；它在到期日是以面值赎回的。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

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1) zero crossing comparison 过零比较 1. By means of connecting divider capacitor in series with the outmost shielding layer of the bushing for capacitive apparatus, the fundamental frequency voltage signal is extracted, then the dielectric loss angle is measured by a new approach that combines absolute measurement method with zero crossing comparison method. 作者通过与容性设备末屏串联分压电容的方法提取工频电压信号,采用绝对测量和过零比较法相结合的新方法测量介质损耗角;对影响测量精度的相关问题进行了分析,并提出了解决办法;引入了横向比较法和趋势分析法等绝缘诊断策略。 2) zero-crossing comparator 过零比较器 3) crossing zero comparison algorithm 过零比较法 4) zero-crossing 过零 5) zero crossing triggering 过零触发 1. The AVR singlechip is used for the core of controller,the automatic compensation optimum control method is established based on reactive power compensation principle,the problem of thyristor switched wrong trigger is solved by the technology of zero crossing triggering,switched vibration i. 采用AVR单片机系统作为控制器的核心,从无功补偿原理出发,建立了自动补偿最优控制方法,采用过零触发技术解决了晶闸管投切误触发的问题,减少了投切振荡,动态响应速度快。 2. In this article,the authors discuss how to implement the full automatic real time compensation of reactive power using several methods:a)applying "Power Trac" module,b)acguiring the system parameters,c)connecting/disconnecting the capacitors block based on the reactive power of the system by means of zero crossing triggering of SCR components. 应用 Power Trac模块 ,采集系统参数 ,根据系统的无功电流 ,通过可控硅元件过零触发技术 ,投入 /切除电容器组 ,以达到无功功率的全自动实时补 6) zero-crossing point 过零点 1. This method directly extracts the true back electromotive force(EMF) zero-crossing point by detecting the voltage difference between the floating phase terminal and the midpoint in the DC link. 为了实现无刷直流电机的无位置传感器控制,提出了一种新颖的转子位置信号检测方法,该方法通过比较逆变器直流环中点电压和电机断开相绕组端电压的关系,直接检测到断开相绕组反电动势的过零点,再将该过零点延迟30°电角度即可获得无刷直流电机绕组换相所必须的转子位置信号。参考词条过零率过零失真过零算法有功过零过零时间过零调功高质量浓度的Cl~- 化学损坏补充资料：零息票债券；零券息债券零息票债券；零券息债券一种以低于票面价值的价格发行的债务工具。债券不支付任何票息；它在到期日是以面值赎回的。说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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