positive phase sequence voltage relay是什么意思

用法例句

With positive sequence process,solved the problem of product's freezing point picking up,made the process of benzene-acetone dewaxing more easier at the sametime,reduced the energy consumption and improved tr.

通过调整反序流程为正序流程 ,解决了产品凝点回升的问题 ,同时减轻了酮苯脱蜡加工的难度 ,降低了装置的能耗 ,提高了装置处理能

Duffing oscillator directional relay which based on positive sequence fault components of transmission lines is proposed.

提出了Du ffing振子检测输电线正序故障分量的Du ffing振子方向元件法。

Based on mathematical deduction and analysis, the problems are pointed out that concern the detection of harmonics and fundamental positive-sequence active & reactive current components with instantaneous reactive power theory under asymmetrical three-phase voltages.

基于理论推导和分析,指出了在三相电压不对称时,应用瞬时无功功率理论检测谐波和基波正序有功及无功电流分量存在的问题。

By using academic analysis and simulational validation,it points out that comparing with the selectors using interlinked tension of irrespective phase as polarizing voltage,the selector using positive voltage as polarizing voltage has some more virtues.

通过理论分析和仿真验证,指出相比于采用无关相相间电压极化的选择元件,采用正序电压极化的选择元件还具有其功率方向继电器的测量角与故障点位置无关,也不随双侧电源的功角差δ变化而变化的特点,从而指出采用该种方法使得横差保护具有更好的动作性能。

Design of integrated circuit positive sequence component and negative sequence component filter;

集成电路型正序分量和负序分量过滤器的设计

A new method for detecting the fundamental negative and positive sequence components as well as the harmonic components is developed in this paper.

提出了一种新的实时检测基波正序分量、基波负序分量和谐波分量的方法 ,该方法首先将三相瞬时值合成一个空间矢量 ,然后对所得矢量的实部和虚部分别进行滤波以滤去谐波分量。

They are all equal to positive-sequence impedance.

距离保护中阻抗继电器的测量阻抗值与短路类型无关,均等于正序阻抗。