介绍了谐波绕组和谐波补偿误差方法对高性能控制电机的作用。
This paper describes the effect of harmonic winding and harmonic compensating error on electrical machines in automatic control system.
通过改变励磁电流的大小,得到了基波绕组和三次谐波绕组的空载特性曲线。
The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
本文探索了两种简化计算方法,即降低谐波计算次数和阻尼绕组近似处理。
In this paper, two simplification methods - decreasing the order of calculated harmonics and approximately treating the damper windings, are proposed and investigated.
这种算法考虑了空间谐波磁场,不受绕组连接形式的限制,按这种方法计算出的电感具有很高的精度。
The calculation considers the space harmonic magnetic field, and has no limits of connection forms of windings. The inductance calculated in this method are quite accurate.
它检测各次谐波电流并用可控电流源一一产生相对应的补偿电流注入各个补偿绕组。
It detects each harmonic current and generates the compensating current with the controlled current source, then it injects the current into the compensating winding.
实时检测变压器原方绕组的谐波电流,通过逆变器产生与原方绕组谐波电流成比例的谐波补偿电流注入变压器副方多补偿绕组中。
The harmonic compensation currents proportional to the harmonic current in the primary winding, which is detected real-timely, are injected to the multiple secondary winding of the transformer.
发电机的谐波组开路或短路,无三次谐波电压输出,检查绕组接头或拆换绕组。
If no triple overtone voltage, check the winding lug or replace with another winding.
与传统的换流变压器相比,自耦补偿与谐波屏蔽换流变压器具有独特的绕组联结方式。
Compared with the traditional converter transformer, the auto compensator and harmonics shade converter transformer has a unique connection.
时间谐波可以看作是施加在绕组上的较高频率的电压。
The time harmonics can be considered as voltages of higher frequencies applied to the windings.
实验结果表明电枢绕组谐波电流是产生该电机转子损耗的主要原因。
The experimental results are presented to show that the rotor losses are mainly caused by stator harmonic current.
如在定子绕组内部故障情况下,气隙电感量的计算必须考虑低次和分数次谐波的影响。
If the stator inside winding is out of order, we must consider the influence of the harmonic wave with low orders or fraction orders when calculating the air space inductance values.
使二次侧绕组提取到不含基波无功的谐波电能,并经过变频装置变为可直接利用基频电能。
Therefore, the secondary winding of transformer extracts harmonic energy without fundamental reactive power, which becomes applicable fundamental frequency power via frequency converter.
分析了转子斜槽对谐波参数的影响,最终计算出集中绕组单相电机的谐波转矩和电机性能。
Then the harmonic torque and performance of concentrated winding single-phase induction motor is calculated. The modal is applied to a single-phase induction motor.
分析了转子斜槽对谐波参数的影响,最终计算出集中绕组单相电机的谐波转矩和电机性能。
Then the harmonic torque and performance of concentrated winding single-phase induction motor is calculated. The modal is applied to a single-phase induction motor.
应用推荐