无功的

The research is m ainly focused on the following aspects: 1The relationship between the trigging angle of GTO,the trigging pulse width and the angular difference between the output voltage of the ASVG and the voltage at t...

同时 ，文中还对影响电容型 ASVG静态输出的有功功率和无功功率的因素进行了详细的分析。最后，通过对 ASVG受扰后暂态响应曲线的分析，提出了一种 ASVG的动态响应模型。

The subsynchronous oscillation characteristics of a synchronous machine connected to a static VAR compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of SVCs to avoid SSO problem.

4基于时域仿真实现的复转矩系数法，对与静止无功补偿器SVC相联接的同步发电机组的次同步振荡特性进行了深入的研究，得出了一些重要结论，可为SVC的设计和运行提供避免SSO的依据。

The comparison shows the advantages of series resonant HAPF operating in high-voltage system is low cost and high effective. This method can help to design the other kind of filtering system for High capacity applications.

其中的一些设计思路和工程经验还可推广到其它大型滤波和无功补偿装置的设计和应用中，为推进大功率的HAPF的实用化进程提供有益的参考和借鉴。

According to the characteristics of subarea control and interlayer control of AVC,the reactive power optimization based on the principle of decomposition coordination in provincial grid is proposed to better improvement the astringency of algorithm,calculation speed and disposal of discrete variables.

针对AVC分区、分层控制的特点，提出在省级电网实现基于分解协调原理的无功优化，以期在算法的收敛性、计算速度以及对离散变量的处理几方面有明显的改进。

It adopts the single chip computer control calculation meritorious service capacity, and parameters such as real power, reactive power, meritorious service rate element, tension fundamental harmonic virtual value and tension harmonious wave virtual value and so on these are separation to the calculation branch to the measurement that on the basis of the scattered integration formula in immediate future scattered Fourier transformation, the exchange basseted on to power system parameter sampling idea was achieved to adjust all the journey moreover the frequency alternating current frequency and the tension virtual value as well as the electric current virtual value in the way of software .

它采用单片机的控制运算功能，根据离散积分公式即离散傅立叶变换，基于对电力系统参数进行采样的思想，实现同时对一路工频交流电的频率、电压有效值、电流有效值的测量，用软件计算分析出有功功率、无功功率、功率因素、电压基波有效值、电压谐波有效值等参数。

It adopts the single chip computer control calculation meritorious service capacity, and parameters such as real power, reactive power, meritorious service rate element, tension fundamental harmonic virtual value and tension harmonious wave virtual value and so on these are separation to the calculation branch to the measurement that on the basis of the scattered integration formula in immediate future scattered Fourier transformation, the exchange basseted on to power system parameter sampling idea was achieved to adjust all the journey moreover the workmans frequency alternating current frequency and the tension virtual value as well as the electric current virtual value in the way of software .

它采用单片机的控制运算功能，根据离散积分公式即离散傅立叶变换，基于对电力系统参数进行交流采样的思想，实现同时对一路工频交流电的频率、电压有效值、电流有效值的测量，用软件计算分析出有功功率、无功功率、功率因素、电压基波有效值、电压谐波有效值等参数。

The phase conversion process has been discussed on the basis of three working ways of inductance loading in TEM-Ⅱtransmitter, and then several problems have been put forward.

分析了IGBT全桥变换电路实现功率变换时感性负载上电压、电流的瞬态变化规律及无功功率的释放回路，对TEM-Ⅱ型瞬变电磁法发射机阻感性负载三种工作方式的换相过程作了深入全面的讨论，进而提出几点注意事项。

An injection type shunt hybrid active power filter was analyzed, it can suppress harmonic currents and compensate high capacity reactive power, nevertheless, a sharp boosting on DC-side voltage was found in application. Based on the analyses of the reasons, different solutions was proposed such as adoption of main circuit of multiple performances, the use of hysteretic control method, fore-feed control of reflowing current or direct control on DC-side voltage without a rectifier to supply.

研究一种兼具大容量无功补偿能力的注入式并联混合有源滤波器，并分析其在工程应用中发现的直流侧电压抬升现象及这种现象产生的原因，在此基础上提出从采用多重化主电路结构、滞环控制法、回灌电流前馈控制法和脱离整流电源直接对直流侧电压进行控制等几个方面来抑制直流侧电压抬升的方法。

Firstly, harmonic detection method using ip,iq algorithm, which is based on the instantaneous power theory proposed by H.Akagi, is introduced briefly and is extended to detect positive or negative sequence of arbitrary order harmonic in single-phase system, three-phase three-wire system or three-phase four-wire system.

首先，本文简要介绍了基于瞬时功率理论的谐波电流检测方法——i_p，i_q算法，并将之推广应用于单相系统、三相三线制系统和三相四线制系统中任意次数谐波的正序、负序有功、无功分量的检测，大大拓宽了该优良瞬时谐波检测算法的应用范围。

To study the effects of no load voltage step response index on disturbance quality of power system for self excited shunt excitation system, this paper analyzes the types of power system disturbances and disturbing qualities, establishes the different groups of self excited shunt excitation system according to the different overshoot in identical rise time and the different rise time in identical overshoot.

1电力系统扰动项目的选择为研究自并励静止励磁系统的发电机空载电压阶跃响应指标对电力系统扰动品质的影响，首先确定电力系统扰动种类。选择了反映大干扰稳定和小干扰稳定的发电机近端三相短路0.15切线路、远方三相短路0.15切线路、高压母线突加无功负荷、甩负荷、小干扰振荡模式计算等5个项目。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷