1、

so it provides mathematical basis for establishing and solving power network linear planning model.

从而为建立及求解电力网的线性规划模型提供了数学依据.

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2、

The MAPLE software package is efficient in analytically solving the non-linear algebraic equations, by using which the initiate value and decaying time constant during each phase of power system electric-magnetic transient process are solved.

MAPLE软件包是吴方法用于解非线性代数方程的工具,用它可以解得电力系统突然短路电磁暂态过程中各阶段的初值和衰减时间常数。

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3、

In hydraulic system linear models identification, a method using field test data under step disturbance of given power has been proposed in this thesis.

在水力系统线性化模型辨识方面,本文提出了使用给定功率阶跃扰动下实测数据进行辨识的方法。

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4、

Compared with the rotating induction motor, the linear induction motor has many advantages, such as: the low noise, the climbing ability, the non-adhesive drive and the small radius through curves. But the low efficiency and the low power factor restrict its development.

与旋转感应电机相比,直线感应电机具有噪声小、爬坡能力强、非粘着驱动和通过曲线半径小等诸多优点,但是效率和功率因数低制约了其发展。

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5、

Power density and surface temperature curve showed linear behavior.

其伏安特性、功率密度一表面温度均呈现良好的线性关系,在长期通电使用下,能保持其功率稳定性。

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6、

Analyses the interrelation between loading and atmospheric temperature by multi element linear regression with unique special features of Heilongjiang electric power supply network taken into consideration, and forecasts load for upcoming 24 hours.

根据黑龙江电网各地区的自身特点,应用多元线性回归方法,分析负荷与气温的关系,并对未来24h的负荷进行预测。

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7、

It eliminates the detection error which produced by the non-linearity of the power MOSFET's on-state resistance and the temperature influence, which insures high detection precision.

消除了功率管导通电阻受非线性和温度的影响而产生的检测误差,检测精度高。

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8、

The p-q-r instantaneous power theory is introduced, based on which a direct control strategy of UPQC ( Unified Power Quality Conditioner) is presented and its implementation in non-linear and unbalanced three-phase four-wire system is discussed.

阐述了p-q-r瞬时功率理论的原理,提出了基于该理论的统一电能质量控制器(UPQC)的直接控制策略,探讨了将其用于三相四线非线性及不平衡系统中的实现方法。

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9、

New Technology for Improving Thrust Power Piezoelectric Linear Electric Motors

提高压电式直线电机推力新技术

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10、

Research Advances of Improving Thrust Power of Inchworm-Type Piezoelectric Linear Actuators

提高蠕动式压电直线驱动器输出力的研究进展

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11、

This paper adopts Newmark time integral method to solve kinetic equation and approaches the non-linear temporal dynamic analysis of the whole steel truss frame, considering the motive power of loading and discharge.

针对钢板仓输料框架结构体系,考虑装载储料动力作用,采用Newmark时间积分法求解动力方程,对结构体系进行非线性瞬态时程响应分析。

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12、

This paper quality derivation to according to the linear time invariant system fits the overlay principle the meeting an emergency type survey energetically interference equation of system, with Cramer's principle resolution interference equation, gets the survey power apparatus transverse interference mathematical model.

本文还给出根据线性时不变系统符合叠加原理的性质推导出的应变式测力系统的干扰方程,用Cramer法则求解干扰方程,得到测力仪横向干扰数学模型。

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13、

As HVDC power transmission system is a typical non-linear time varying system, it is difficult for the conventional PI control to work effectively when the system is subjected to severe disturbances or its operation mode changes.

高压直流输电系统是一个典型的非线性时变动态系统,如果采用常规的PI控制,在系统遭受大扰动或运行方式切换时,将难以获得有效的控制效果。

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14、

Analysis of Thermal Power Generation Systems Based on a Class of Linear Forecasting Model

一类基于线性预测模型的火电信息系统分析

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15、

According to the operating characteristics of water pump, the mix integer linear programming optimization model of thermal power plant water pump system is established in this paper.

本文针对水泵的运行特性,建立火电厂给水泵系统运行优化的混合整数规划数学模型。

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16、

By reasonable hypothesis and deduction, the power ratio of straight light to reflect light from linear vehicle light source is approximately converted to the area ratio of the spherical crown in this article by the author.

通过合理的假设与推导,将汽车车灯线光源的直射光与反射光的总功率之比近似地转化为两部分球冠面积之比;

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17、

After bilateral canal plugged, no significant changes of power spectra and relative gain of otoliths-ocular reflex were found, and similar responsive patterns of H wave of spinal reflex under different linear acceleration were appeared.

发现猫手术前和双侧半规管阻塞后耳石-眼动反应的功率谱和相对增益无显著性差异,脊髓反射H波幅变化在不同加速度刺激下有相似的反应模式。

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