无功的

Without the pen of Paine, the sword of Washington would have been wielded in vain.

'如果没有潘恩的这支笔，乔治·华盛顿所举起的剑将是徒然无功。

A novel fundamental detecting method for the power system in terms of LC parallel resonance is proposed in this paper.

目前研究最为广泛的基波或谐波检测方案是基于瞬时无功功率理论的检测方法2，'〕。

The DC reactive power is the only parameter to be specified in calculation, and the partial differential formulas in Jacobian matrix do not change when the DC control model changes.

计算时，只需规定换流器直流侧的无功功率，而且当直流系统控制方式发生变化后不需重新推导Jacobian矩阵中的偏导公式。

Therefore, reactive power optimization is a potential way to save energy.

因此，通过无功优化的办法进行节能的潜力非常巨大。

A strategy that can be used to decrease power loss and improve voltage quality is presented.

研究了UPFC的潮流调节与无功优化的问题。

The rating of a synchronous condenser is the magnitude of reactive power that the unit can supply continuously at rated voltage.

同步调相机的额定容量是调相机在额定电压下能连续提供的无功功率量。

Using data of daily load prediction, theory analysis and calculate of reactive optimal control have been tried.

运用系统日负荷预测的数据，尝试性地进行无功优化控制的理论分析，并进行了实例计算。

In reactive power control, a distinction is drawn between primary, secondary and tertiary voltage control.

在无功功率的控制中，第一级第二级，以及第三级的电压控制有着不同之处。

In power system, the voltage pulsation and deficiency or surplus of reactive power will have a great effect on the quality of electric power supply.

在电力系统中，电压的波动和无功功率的过剩和不足会严重影响供电质量。

On Power System Reactive Power Optimization of theses, papers to the use of a continuous quadratic programming method.

详细说明：关于电力系统无功优化的学术论文，改论文使用了连续二次规划的方法。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。