对较小的单相负荷可采用由微型接触器构成的双电源单相切换开关。
For comparatively smaller single-phase load, the duplicate supply single-phase transfer switch made of miniature contactors can be selected.
本文着重介绍了用单相负荷电流检查零回路的新方法,并对这次事故情况进行了分析。
In this paper, a new method for checking the neutral circuit by using single phase load current is introduced. An analysis of this accident is presented.
电力机车为波动性很大的大功率单相整流负荷,可能威胁电力系统的安全运行。
The electrified railway is a fluctuating high- power single- phase commutation load, which may threat power sys-tem security operation.
本文提出了一种单相有源电力滤波器谐波和无功电流检测的新方法—负荷电流基波有功分量法。
This paper presents a novel detecting method for harmonics and reactive current in single-phase active power filter based on calculation of the real part of the fundamental load current.
在稳定运行的餐厨垃圾单相厌氧消化体系中,出现白色颗粒状物质,且随着负荷的提高,其数量和粒径不断增加。
In the smooth single-phase anaerobic digestion operation system, white powdered particles were produced and increased in number and size with the increasing organic load.
仿真结果表明所建立的负荷模型在单相短路、两相短路和三相短路条件下均具有良好的稳定性和准确性。
The simulation results suggest that the proposed load model be quite stable and accurate under the single-phase short faulty, two-phase short faulty and three-phase short faulty.
高压、超高压输电线路的开关为分相开关,当对侧开关单相偷跳后,在线路负荷比较重、同时重合闸动作时间比较长的情况下可能引发系统振荡。
HV and EHV transmission lines are equipped with split-phase breaker. If a longer reclosing time is setting in a heavy load line, the system may swing after the trip without fault of remote breaker.
本文以实验的方法对低压单相非线性负荷的谐波特性进行了研究。
Based on this, the harmonic characteristics of single-phase nonlinear devices and the effects on architectural electricity designing are studied.
作为高压单相非线性负荷的电气化铁道,是引起电力系统谐波污染的谐波源之一。
As a high voltage single phase nonlinear load, the electrified railway load has become one of the harmonic sources of power system.
对于牵引网的单相性以及实现两臂负荷有功功率的流通,采用了改进型的单相补偿电流检测方法;
For the simple-phase feature of traction grid and the active power circulating between the two arms, an improved method of simple-phase compensating current detecting is used.
采用梯形模糊数估计配变负荷变化情况,建立了单相线路网络模型。
A trapezoid fuzzy figure is adopted to estimate the load change of distribution transformer and the single-phase distribution network model is constructed.
采用梯形模糊数估计配变负荷变化情况,建立了单相线路网络模型。
A trapezoid fuzzy figure is adopted to estimate the load change of distribution transformer and the single-phase distribution network model is constructed.
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