| 1. | Maximum rated circumferential magnetizing current 额定周向磁化电流最大周向磁化电流 |
| 2. | Permanent magnet synchronous motors ( pmsm ) have the advantage of not requiring any magnetizing current and easy to control . they are widely used in high performance servo systems 永磁同步电动机转子励磁由永久磁铁产生,因其电路结构简单,控制方便,而广泛应用于高性能的伺服系统中。 |
| 3. | The coordination control between the angle error and the ratio error was realized through analyzing the common characteristics between the similar magnetizing current compensation and the anti - turn compensation 通过分析相似电流补偿和反匝数补偿的特点,对电流互感器的比差和角差进行了协调控制,补偿效果明显。 |
| 4. | 2 ) an efficient model based on physical similarity was made to simulate the current transformers " nonlinear magnetizing characteristics and to compensate error from outside . a similar magnetizing current extracting method based on bang - bang control was advanced to maximally extract the similar magnetizing current ( 2 )针对电流系统中大量运行的0 . 5级电流互感器,利用物理相似原理在互感器二次构造相似电流互感器,提出基于bang - bang控制的相似激磁电流提取方法,能够最大程度的提取相似激磁电流。 |
| 5. | In this paper , the working principle of the interleaving two - transistor forward converter is analyzed in detail , and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions . the simulation model is constructed and the simulation results verify the analysis 本文分析了交错并联双管正激变换器的工作原理,研究了在不同占空比条件下开关管的漏源电压和变压器励磁电流波形,建立了仿真模型,仿真结果证明理论分析的正确性。 |
| 6. | 4 ) a comprehensive active electronic compensation is given which keeps the characteristics of the similar magnetizing current compensation and adds the function of anti - turn compensation . the constitution of the compensation is simplified , and the working area is enlarged by anti - turn compensation method ( 4 )根据相似补偿方法和反匝数补偿方法的共同点,采用了电流互感器的综合有源补偿方法,使得基于物理相似原理的有源补偿法应用范围更广,并在理论上通过对综合补偿方法的误差分析,证明了综合补偿方法的可行性。 |
| 7. | This method can effectively compensate the current error caused by magnetizing current at power frequency . 3 ) because most current transformers have the turn compensation , the characteristic of which was analyzed and the anti - turn compensation model was adopted to offset the action for current transformer with turn compensation ( 3 )针对电力系统中大部分互感器都采用了匝数补偿的特点,分析了匝数补偿的特点,采用了反匝数补偿方法,以抵消匝数补偿对电流互感器误差特性的影响,恢复电流互感器原有误差特性,确保基于物理相似原理有源补偿方法的补偿效果。 |