Based on the proposed model, total transfer capability (TTC) of power system containing large-scale wind farms is investigated under the constraint condition of static voltage stability.
利用这一模型,针对含有大型风电场的输电系统,对其静态电压稳定约束条件下的最大输电能力(TTC)展开研究。
Testing results show that the major factors affecting the deposition efficiency are the welding current, arc voltage and gas flow rate under the condition of same circuit inductance.
试验结果表明,在回路电感值不变的条件下,焊接电流、电弧电压和气体流量是影响熔敷效率的主要因素。
Under the proper simplified condition, the calculation formulas of rectification voltage and phase current were deduced out respectively and were testified by experiment.
在适当的简化条件下,推导出各自整流电压和相电流的计算公式,并通过了试验验证。
Finally, the fundamental frequency estimation under different PQ disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.
并运用大量仿真,对本方法在谐波、电压波动等干扰环境下基本频率估计的有效性进行验证。
The accident happens from time to time due to high temperature of main contacts inside HV switchgear cabinet. It is difficult to monitor the temperature there under high voltage condition.
高压开关柜一次触头因温度过高而造成事故时有发生,由于处于高电压状态,对该处的温度监测较为困难。
The new principle calculates current and voltage setting values, which are greater than normal values, to increase protection scope under the condition of assured protection reliability.
此整定原则以正常偏大方式整定电流、电压定值,其目的是在保证保护可靠性的前提下,增大瞬时速断保护的保护范围。
Under the condition of suitable formulation, the power system can be away from the voltage collapse point, through controlling the left eigenvector of voltage collapse point.
按照系统的鞍结分叉点处的左特征向量来控制系统的行为可以最快地远离电压崩溃点。
Aimed at the pile foundation in frozen soil of a high voltage transmission line project in Xinjiang Region, a laboratory tensile model test is carried out under artificial frozen condition.
以新疆地区某高压输电线冻土桩基础受力分析为背景,在人工冻结条件下,进行了单桩的室内抗拔模型试验。
The standby input power should no more than 3W under the rated input voltage condition.
在额定电压输入情况下,待机功耗不大于3W。
The waveforms of the collector current and collector-emitter voltage are also determined under the optimum operation condition.
在最佳工作条件下,给出了集电极电流和集电极——发射极电压波形。
A conductor shall have insulation rated for the voltage and condition of service to which it is subjected under conditions of intended service.
导线应该有额定的绝缘电压并且能在要求的运作情况下运作。
This paper presents a new method that PIR-P dual loop control based on rotating coordinates to improve the output voltage symmetry of inverter under the serious unbalanced load condition.
为改善逆变器系统在严重不平衡负载情况下输出电压的对称性,文中提出一种新颖的控制策略——旋转坐标系下的PIR - P双环控制。
Can carry out simulation and analysis (RS analysis) on cable's induction voltage and current when the cable is under electromagnetic irradiation under system condition.
能实现线缆在系统环境下受到电磁辐照时的线缆感应电压和电流的仿真分析(RS分析)。
Methods a dis continuous buffer system was used. CK MM isoform was separated by electrophoresis under the condition of constant current and low voltage, then fluorescence scanning.
方法采用不连续缓冲体系,在稳流低压条件下电泳分离CKMM亚型,荧光扫描。
According to the conditions of ageing test within endurance test, the expected operation life of a high-voltage shunt capacitor which operates under the standard condition is estimated.
根据耐久性试验中老化试验的条件,估算了一台合格的高压并联电容器在标准和技术条件规定的条件下运行时,其预期的使用寿命。
And besides, under a large power angle condition, the magnetic field distortion will enlarge air-gap part of the main magnetic path and influence the value of the air-gap voltage ES.
而在功角较大状态下发生的磁场畸变则增长了主磁路经过气隙的部分,同样会影响合成电流产生气隙电势的大小。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
该开关电源采用新颖的双管串联模式,解决了高电压输入条件下开关管的选用难题。
Under the condition of same fiber content, the decreasing slope of the voltage-resistance curves remains basically invariable when the temperature goes up, but the initial resistance value decreases.
相同纤维掺量的水泥基材料随温度的升高其电压-电阻曲线下降斜率基本保持不变,但初始电阻值下降;
A diode (D1) avoids battery voltage to go back to the panel under no-light condition.
一个二极管(D1),避免电池电压回到无光照条件下的面板。
C ignition voltage and pulse ignition voltage has been made under the same operation condition of the cathode.
用降低阴极工作温度的方法,拍摄了两组阴极放电熄火过程的电压-电流波形照片。
An equivalent circuit of multi-winding transformer under the impulse voltage test condition has been worked out. The circuit parameters are frequency-dependent.
建立了电力变压器在冲击试验条件下的频率依赖参数的等效电路模型。
With the algorithm it is very easy to find out the power flow under heavily loading condition, as well as the static voltage stability limit.
利用该算法可以很方便地解出临近电压稳定极限的重负荷潮流和电压静稳极限。
Monitor every feed-voltage and feed-current of DC output, every output state of switch, and state of fuse and lightning arrester. Under abnormal condition, monitor produces aural and visual alarm.
监测各直流馈电输出的电压、电流,各馈电输出开关状态、熔断器状态和防雷器状态,当发生异常情况时发出声光报警;
Monitor every feed-voltage and feed-current of DC output, every output state of switch, and state of fuse and lightning arrester. Under abnormal condition, monitor produces aural and visual alarm.
监测各直流馈电输出的电压、电流,各馈电输出开关状态、熔断器状态和防雷器状态,当发生异常情况时发出声光报警;
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