The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
这种方法不需要硬件同步电路，能实时地计算电源电压中的基波正序分量。
This paper describes the component and characteristics of silver-zinc batteries, advances in technologies of positive and negative poles and membrane, and theoretic studies.
本文概述了锌银蓄电池的组成、能，以及锌银蓄电池正极、极、膜技术上的进步，理论上的研究。
The zero sequence component and the positive sequence component equations of transmission lines are derived on the basis of telegraph equations.
运用电报方程推导出三线-地耦合传输线零序分量和正序分量传输线方程。
Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.
基于对称分量法理论，提出了基于检测正序、负序、零序电流分量的电动机保护方法。
A new directional element based on the fault component positive sequence reactance (FCPSR) is presented.
提出了基于故障分量正序电抗的方向元件。
Based on symmetrical component method and linear superposition principle, the additional positive sequence network after fault is established and the matching index on fault point is defined.
该方法首先运用对称分量法和线性叠加原理建立故障后的附加正序网络并且定义了故障点的匹配指标，进而基于该指标运用遍历搜索方法寻找故障点位置。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。
As a crucial component of the security supervision system of the macroeconomic management, State audit should and could play a positive role in the macroeconomic management.
国家审计作为国家宏观经济管理的监督保障系统的一个重要组成部分，应当而且能够在国家的宏观经济管理中发挥积极的作用。
Histologically, the resected tumor was composed of epithelioid cells, without vascular or lipomatous component, and was characterized by HMB45 positive on immunohistochemistry.
组织学上由单一上皮样细胞构成，不含血管及脂肪成分，免疫组化呈特征性黑色素生成(HMB - 45)阳性。
It's an important component of preschool education to help and instruct young children to develop positive self-concept.
引导幼儿形成积极的自我概念是儿童社会化教育的重要内容。
Therefore, the research on the business component in commercial Banks has important and positive significance for a wide range of applications.
因此，对商业银行中业务构件研究具有重要的积极意义和广泛的应用价值。
Exsolution and metasomatism of alkaline component plays a positive role in activation, leaching and precipitating, mineralization of gold during metamorphic process.
这一过程中碱性组分的溶出与再交代对金的活化带出与再沉淀成矿起到重要作用。
The characteristics of agroforestry systems microclimate are: (1) Component values of heat balance are positive in day time but negative at night.
农林系统的小气候特征是：(1)热量平衡的各分量白天为正值，夜间为负值。
They added a component called "triphenyl phosphate" to the plastic fibers of the part that keeps negative and positive electrodes separate.
他们在塑料纤维中添加了一种称为“磷酸三苯酯”的组件以保持正负电极分离。
Only positive Helmholtz equation is considered in beam propagation method, while the negative component is approximately zero.
在光束传输法中只分析前向亥姆霍兹方程，而后向分量近似为零。
These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
The reasons of gap formation were discussed. The component of regeneration of Fagus engleriana had a positive correlation with the size of gap.
探讨了林窗的形成原因，米心水青冈的更新成分与林窗的大小呈正相关性。
The invention relates to an electronic component for over-current protection, in particular to a polymer positive temperature coefficient (PTC) chip and the application thereof.
本发明涉及一种用于过流防护的电子元器件，公开了一种高分子PT C芯片及其应用。
The invention relates to an electronic component for over-current protection, in particular to a polymer positive temperature coefficient (PTC) chip and the application thereof.
本发明涉及一种用于过流防护的电子元器件，公开了一种高分子PT C芯片及其应用。
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