变频器效率
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系统的节能效果还受变频器效率、电机效率、水泵效率及负荷分布的影响;
The energy-saving effects are influenced by the efficiency of transducer , motor , pump and distribution of load ;
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这其中包括了对部分负荷下泵效率、电机效率和变频器效率变化的说明。
This of those includes description to the variations of the pump efficiency , motor efficiency and variable frequency drive ( VFD ) efficiency at the reduced load conditions .
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通用变频器中效率优化控制器的研究
Study on efficiency optimal controller in general inverter
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控制交流电机使用变频器对提高效率、节约能源效果显著,电流源型变频器其功率易大、可靠性高等优点,使其应用场合越来越广。
It is obvious to AC drives using converters for efficiency and energy conservation . Due to the larger power and high reliability of current source converter ( CSC ), its applications become more and more .
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文章提出了一种利用多串口通讯卡提高变频器网络通讯效率的方法,详细介绍了多串口通讯卡的软硬件设计和工作原理。
This paper proposes a method to improve date transmission efficiency in inverter network , which adopts multi-port and time-sharing data transmission ; then it introduces the operational principles and the design of multi-port communication card in detail .
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提出了一种基于负载电流极性检测的新型控制策略,在无需死区补偿的情况下实现零死区时间控制,并能够大大降低功率器件的开关损耗,进而提高变频器的转换效率。
A neural strategy based on the current detection is proposed , which can realize zero dead time control without the compensation and reduce the switching loss of power devices . The converter 's efficiency can be im - proved as well .
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变频调速输油系统变频器频率对其效率的影响
Effect of Converter Frequency of Variable Frequency and Adjustable Speed Oil Transmission System on its Efficiency
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实验结果表明,这种方法有效地提高了变频器网络通讯的效率,具有很好的实用性。
The experiment results show that this method can improve the efficiency of communication effectively , so it has very good practicability .