为确保外部接线的正确性，在零序方向保护投入运行时，我们将进行大量的现场带电测试。
For ensuring correct wiring, a great of active tests on site should be done before the protection is put into operation.
②检漏继电器采用零序电抗器并不影响选择性漏电保护的实现，而对其可靠工作作用明显；
A feeding switch with a leakage protection function to replace a leakage check relay should not be adopted for practices.
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；
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
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 paper analyses the existing zero sequence directive current selective leakage protection principle which is to surmount the effect of distributed capacitance on it.
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 validity check of zero-sequence operating direction for transformer directional over-current protection is also essential.
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。
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.
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。
And two draft resolutions were proposed trying to solve the problem of ct polarity checking in transformer zero-sequence differential protection.
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。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
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。
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.
而保护装置针对自耦变压器，还配置了零序差动保护。
Protection devices is equipped with zero-sequence differential protection for the auto-transformer.
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。
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.
将零序电流加速保护与距离保护相配合得到自动重合闸加速保护综合方案，改善了重合闸后加速保护的性能。
According to the schemes, a general schemes for auto recloser accelerating protection is presented which improves performance of accelerating protection.
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。
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.
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 parameter of transmission lines especially of transmission lines with mutual inductances is of great important in the relay protection setting calculation of power system.
零序功率方向继电器是线路保护中的一个重要元件。
The zero sequence directional relay is an important relay component for transmission line.
接线绕组的超高压变压器应增设零序差动保护。
The zero-sequence differential protection ought to be added at the star winding of extra-high voltage transformer.
论文根据上述分析设计了基于故障分量采样值差动保护、故障分量相量差动保护、常规电流差动保护和零序电流差动保护自适应的保护方案。
The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
文中算法已在大电网零序电流保护整定计算软件中实际应用，结果表明，算法在计算速度和精度方面均满足要求。
The application results show that the calculation precision can meet the needs of relay setting and coordination, and its calculation efficiency can make relay setting and coordination faster.
零序电流保护是一种重要的接地保护方法。
The zero-sequence current protection is an important means of power system ground protection.
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。
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
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.
该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
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。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
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。
Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zero sequence current component.
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。
Used together with SD-LJD (LXK) series ZCT and executing relay to form a complete zero sequence (ground) protection system.
从保护方案设计和保护逻辑两方面详细论述了一种新型的变压器零序差动保护方案。
A zero-sequence differential protection for transformer is discussed in scheme design and protective logic.
该保护装置自具电源，基于热量累积原理实现快速高精度相电流反时限保护方法，实现对相电流和零序电流三段式保护。
The power of the protector is supplied by itself from the ct. Based on thermal cumulate principles, a rapid and high precision inverse-time phase-sequence over-current protection is implemented.
文中简述了零序差动保护的优点，要求推广应用。
The advantages of zero sequence differential protection are expounded, and it is worth to promote its application.
并据此对传统发电机基波零序电压型定子接地保护的原理提出了改进意见。
Improvement of traditional protection of generator stator grounding based on 3U 0 is presented.
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