variable frequency power supply meaning in English
变频电源
Examples
- Application of the igbt variable frequency power supply in quenching process of engine crankshafts
变频电源在汽车曲轴淬火上的应用 - And the testing of the motor result is analyzed . also the mechanism of production of high harmonic and the effect to the motor are analyzed in the variable frequency power supply , a method of eliminating the high harmonic is advanced utilizing the technology of spwm and reconfiguration . finally the method is simulated
从理论上分析了高功率密度电驱动系统中变频电源存在的高次谐波对高功率密度电动机的影响，研究消除变频电源高次谐波的方法，提出利用正弦脉宽调制和重构技术消除或削弱电源中的高次谐波的方案，并对提出的方案进行了仿真。 - With the application of phase detector in industrial experiment on the spot , when the phase of working frequency power supply is consistent with the output phase of variable frequency power supply , plc sends out the instruction to switch off the output of transducer . the electromotor is connected with the industrial frequency voltage after it was disconnected from the out
在现场工业试验引入鉴频鉴相控制器，在工频电源和变频输出电源相位一致时， plc发出指令切断变频器输出，电机从变频器输出端断开后，马上接入工频电源，转换时间控制在几十毫秒之内。 - Finally , the prototype of closed - loop control system of mc has been designed . a seris of experiments have been made , and the results show that the closed - loop control of mc presented here is correct . also , the mc closed - loop systems based on the method can be applied to the variable frequency power supplies
最后,制作了输出电压有效值控制矩阵变换器闭环系统的原理样机,进行了一系列实验测试,结果表明采用双空间矢量策略矩阵变换器实现输出电压有效值闭环控制是正确有效的,输出电压有效值控制矩阵变换器闭环系统作为变频电源设计也是切实可行的。 - The system involves four parts , high power density motor , low harmonic variable frequency power supply , cooling system of oil fountain with high temperature and high pressure and the online testing of the dynamic parameters . the research is focused on the loss and heat of the motor , the structure design and the cooling problem . aiming at the characteristics of great capacity , small volume and light weight , a cooling structure of stator - rotor double oil path is presented
针对高功率密度电动机容量大、体积小、重量轻的特点，研究了高功率密度电动机的主要电磁参数的选择原则；在分析了高功率密度电动机中的损耗与发热的基础上，研究了高功率密度电动机的散热问题，进行了高功率密度电动机的结构(主要指冷却结构)设计，提出了适合高功率密度电动机的定、转子双油路循油冷却结构；并对高功率密度电动机的实验结果进行了分析。