Put any control handle to the working position, press the "start" button, the total contactor should not move, then explain the zero position protection has played a role.
把任一个控制手柄拨到工作位置上，再按“起动”按钮，总接触器应不动作，则说明零位保护已发挥作用。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
This paper analyses the existing zero sequence directive current selective leakage protection principle which is to surmount the effect of distributed capacitance on it.
对近期提出的克服电网分布电容影响小电流接地选线的零序直流选择性保护原理作了理论分析。
This sensor can form a distributed fiber optic measuring system and it has the function of zero adjustment and overload protection.
该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。
Environmental protection and zero pollution discharge are the company's ageless themes. The company manages environment under the ISO14001 environmental management system.
环境保护和致力于零污染排放是公司永恒的主题，公司按iso 14001环境管理体系模式管理公司环境。
Main functions and characteristic for zero sequence current protection setting program are presented in this paper. Ways of no_balance zero sequence current for double lines are introduced.
主要介绍了零序电流保护整定计算程序的主要功能和特点，简要介绍了双回线零序电流的不平衡解决方法。
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。
Owing to the influences of such factors as the earth resistivity on the zero module parameter, the stable space module is adopted to calculate energy for energy balance protection.
由于零模参数受大地电阻率等因素影响，能量平衡保护采用了较为稳定的空间模量计算能量。
In order to avoid this kind of accident, the using of new circuit breaker with protection function of zero curve broken is extremely beneficial.
为避免该类事故的发生，采用新型的具有保护零线断线保护功能的断路器是非常有益的。
Timber — 100% original ecology timber framing, no formaldehyde, zero pollution, environmental protection for health.
基材层- - - 100%原生态木材结构，无甲醛，0污染，环保健康。
Used together with SD-LJD (LXK) series ZCT and executing relay to form a complete zero sequence (ground) protection system.
配合SD - LJD (LXK)系类零序电流互感器和动作继电器即组成完整的零序(接地)保护系统。
Moreover, the sensitivity of turn-to-turn fault of shunt reactor protection was analyzed and a method of adaptive compensated zero sequence direction was presented.
分析了电抗器保护匝间短路灵敏度，提出了自适应补偿零序功率方向的方法。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
We will install lightning protection equipment equipment, should maintain the ground zero, as well as necessary according to the rules do repeat grounding.
安设避雷设备的设备，除应做好维护接零外，还有必要按规则做重复接地。
This sensor can form a distributed fiber optic measuring system and it has the function of mechanical zero adjustment and overload protection.
该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。
The major function and features of the calculating program for Settings of zero sequence current protection of Hubei power system were described.
介绍了湖北电网零序电流保护整定计算程序的主要功能和特点。
New principle for feeder grounding fault protection based on zero sequence admittance is presented in this paper. Criterions for the line ground relay with zero sequence admittance are also discussed.
提出了采用测量线路零序导纳进行接地保护的新原理，讨论了直线式导纳继电器的接地保护判据。
The advantages of zero sequence differential protection are expounded, and it is worth to promote its application.
文中简述了零序差动保护的优点，要求推广应用。
The validity check of zero-sequence operating direction for transformer directional over-current protection is also essential.
另外还需要进行变压器零序方向过电流保护动作方向正确性的检查。
The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
本文针对高压输电线距离保护及故障测距中常用的解微分方程算法，提出了一种零序电流相位修正的方法。
Protection devices is equipped with zero-sequence differential protection for the auto-transformer.
而保护装置针对自耦变压器，还配置了零序差动保护。
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
其基本保护采用零序过电压保护，动作时间采用反时限特性；
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理。
And two draft resolutions were proposed trying to solve the problem of ct polarity checking in transformer zero-sequence differential protection.
对于零序差动保护的CT极性检测和校对问题，文中提出了两种自适应参考方案以供探讨。
The zero-sequence parameter of transmission lines especially of transmission lines with mutual inductances is of great important in the relay protection setting calculation of power system.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The zero-sequence current protection is an important means of power system ground protection.
零序电流保护是一种重要的接地保护方法。
The zero-sequence differential protection ought to be added at the star winding of extra-high voltage transformer.
接线绕组的超高压变压器应增设零序差动保护。
It is necessary to install zero-sequence differential protection because conventional differential protection is not sensitive enough to grounded fault.
通过分析变压器传统纵差保护在反映接地故障时灵敏度上的不足，论述了装设零序差动保护的必要性。
It is necessary to install zero-sequence differential protection because conventional differential protection is not sensitive enough to grounded fault.
通过分析变压器传统纵差保护在反映接地故障时灵敏度上的不足，论述了装设零序差动保护的必要性。
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