1) fault component
突变量
1.
A novel fault phase selector by fault component of compensation voltage based on traveling wave is presented for high-speed protection.
为了配合高速保护,提出了一种新型的基于行波理论的相间补偿电压突变量选相元件,利用测量点的方向行波,根据输电线路的分布参数模型,采用行波传播方程计算正方向线路上补偿点的电压,并用该补偿电压构成相间电压突变量选相元件。
2.
The fault component principle is widely used in power system protective relaying since it has lots of advantages.
突变量理论广泛应用于电力系统微机保护。
2) superimposed
[英][,sju:pərim'pəuz] [美][,supərɪm'poz]
突变量
1.
A novel superimposed phase selector aiming at improving the performance of phase selector in the event of a wide range change of power system operation mode is presented.
针对传统电流突变量和电压突变量选相元件不能同时满足强弱电源系统侧保护要求的缺点,提出一种新的突变量选相原理。
2.
In order to overcome the defects in the conventional superimposed distance protection, for instance, the mal-operation resulting from an external earth fault occurring while the transmission system operates at large power angle, a novel self-adaptive superimposed distance protection scheme is proposed.
针对传统突变量距离保护在两侧系统电势相位差较大时发生外部短路等情况有可能误动的缺点,借助同步相量测量技术提供的信息,研究了一种根据系统实时参数自适应调整保护动作门槛的新算法。
3) mutational volume
突变量
1.
This method carries on the comparison between the maximal virtual value of current mutational volume which is chosen in the two sides of transmission line,and the virtual value of differential current mutational volume,to distinguish internal fault from external fault.
该原理是选择线路两侧电流突变量的最大有效值与差动电流突变量的有效值进行比较来区分区内、外故障,无需考虑分布电容的影响因素。
4) quality catestrophe
质量突变
1.
The paper introduce the forecasting and relative degree method of grey systems theory to the quality management area, set up a GM forecasting model for the qualified rate of products and the time intervals of the quality catestrophe.
将灰色系统理论中的预测与关联度理论引入产品质量控制领域，建立了产品合格率产品质量突变区间的ＧＭ预测模型以及产品质量影响因素的关联度诊断分析模型，提出了ＧＭＰｔＣ图，并给出了一个应用案例，为产品质量的预报控制与因素诊断提供了有效分析方法与工
5) energy catastrophe
能量突变
6) mass mutation
大量突变
补充资料：工频突变量距离继电器
工频突变量距离继电器
distance relay using sudden change of power frequency component
，U，’，尸川luUI0n.IOng jull!一d旧nq，工绷突变.距离继电姗sudden ehan罗of power 见距离继电器. (distanee relay usingfrequeney eomponent)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条