对上述不对称因素的作用，利用等效电路和相量图作了定性的说明。
A qualitative explanation of the action of these asymmetries is presented by using equivalent circuits and phasor diagram.
给出了系统稳态运行时等效同步发电机的相量图及稳态量的计算方法。
The phasor diagram of the equivalent synchronous generator and the method of performance calculations are presented for steady state operation.
在分析相量图的基础上，结合数学知识，得出一通用公式判别变压器组号。
Based on the analysis on the connection groups and combining with the mathematic knowledge, this article educes a general formula to judge the connection groups.
较完整地得出：处在能耗制动时，异步电动机特有的等值电路、相量图及机械特性。
The equivalent circuit, the phase diagram as well as the torque-speed characteristic in the braking state are obtained.
讨论了同相供电对称补偿的不同接线形式，比较了各自的优缺点，给出了统一相量图。
It is discussed different connection forms of symmetrical compensation for cophase supply. Advantages and disadvantages are compared, and uniform phasor diagram is given.
介绍了相量图、位形图的定义与差别，给出了相量图、位形图的一般作图规则及应用。
The definition of phasor diagram, close phasor diagram and their applications and regulations are presented.
定性地分析电力系统正常运行状态和故障后的稳态量时，电压相量图法是十分有用的工具。
The voltage vector diagram is a very useful method that can make a qualitative analysis of the steady values of power system in normal and fault conditions.
本文分析了三相电压型PWM整流电路的工作原理，给出了整流电路的相量图和一系列公式。
In this paper the principle of a 3-phase voltage-typed PWM rectifying circuit is analyzed and both the vector diagram of rectifying circuit and a series of formula are also offered.
再通过参数的测量、相量图的分析，确定错误所在，最后写出在错误接线方式下的功率表达式。
Then, through the measuring of parameter, the analysis of phasor diagram, to confirm the mistake, and finally get the power expression under the false connection way.
研究了稀土永磁单相同步电动机的稳态运行时的相量图，对相量计算结果进行了分析，讨论了电机直轴电枢反应的性质问题。
This paper deals with the phasor diagram, the phasor analysis and the nature ofd-axis armature reactions of the steady-state running for single-phase PM synchronous motor.
文章给出了一种快速判断三相变压器联接组的方法———相位递推法，这种方法和相量图法比较具有简单、快速、准确的特点。
The phase recurrence algorithm that estimates connection group of three-phase transformer fleetly was given in this article.
简要介绍了三相感应调压器的负载运行情况，对二次回路参数、负载时一次回路参数、输入参数、相关数据和相量图进行了分析。
The load operation of a three-phase induction-voltage regulator is presented briefly. The related data, phasor drawing and parameters in secondary circuit, primary load circuit and imput are analyzed.
本文用信号分解和叠加的理论及方法，推导出一种适用于分析运算放大电路反馈特性的“分解方框图”，并通过实例介绍了相量图分析法。
In this paper, authors deduce a analysis scheme explaining feedback characteristic of a operation amplifier using the theory and method of signal composing and decomposing.
根据此图，可对密相气力输送参数进行初步优化，控制固体的输送量，减少密相气输送中的盲目操作。
According to the diagram, parameters of dense phase pneumatic conveying can be optimized, solids mass rate can be controlled, and blind operation of dense phase pneumatic conveying can be decreased.
根据此图，可对密相气力输送参数进行初步优化，控制固体的输送量，减少密相气输送中的盲目操作。
According to the diagram, parameters of dense phase pneumatic conveying can be optimized, solids mass rate can be controlled, and blind operation of dense phase pneumatic conveying can be decreased.
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