二次回路

基于GPS的电压互感器二次回路电压降测试方法及应用

GPS-based Test Method and Application for Voltage Transformer Secondary Circuit Voltage Drop

一种新型的微机变压器差动保护CT二次回路断线判别原理

A new detecting method of break in secondary circuit of current transformer in micro-based differential protection of power transformer

TV二次回路压降无线测试仪不确定度分析

Analysis on Uncertainty of TV Secondary Circuit Voltage Drop Wireless Detection Instrument

避雷器作为TV二次回路中性点保护的分析

Analysis on Arresters as the Protection of Secondary Winding Neutral-point of Voltage Transformer

TV二次回路压降误差对电能计量的影响

Effect of Voltage Drop Error for TV Secondary Circuit on Electric Energy Metering

暂态过程中TV二次回路接线对继电保护影响及对策

Influence of TV Secondary Circuit Connection on Relay during Transient Process and Its Countermeasures

用PLC改造高压电机二次回路的研究

Transform the twice return circuit of high pressure electrical machinary with PLC

TV二次回路多点接地造成保护拒动的实例分析

Instance Analysis fo the Miss Operation of the Protection Device Caused By Multiple Earth in the TV Secondary Circuit

PT二次回路压降自适应补偿方法研究

Study on Self-adaptive Compensation Method for PT Secondary Circuit 's Voltage Reduction

PT二次回路对保护和计量的影响及改进措施

Effects of PT Secondary Circuit on Protection and Measurement and Improvement Measures

解析TA特性与其二次回路通流试验的关系

Analysis on Relation of TA Characteristic and Its Current Injecting Test

CVT故障与二次回路的扰动传递

CVT Fault and Disturbance Propagation in Secondary Circuit

基于OPNET的变电站二次回路通信系统仿真研究

Research on substation secondary circuit communication system using OPNET simulator

油田热电厂网控SF6断路器改造二次回路存在的问题及解决方法

Problems existing in secondary circuit after oil-minimum circuit breaker changed into SF_6 breaker and their solutions

利用Petri网中并行、冲突、资源分享等特性，对继电保护中的动作逻辑演化及二次回路动态进行描述，建立了保护装置的PN模型。

Using the parallel , impacting , resource-sharing characteristics of Petri net , the logic working procedures with secondary loop dynamics are described .

该法通过测量PT二次回路励磁电流在分流器上的压降与所施加电压的比，模拟一次绕组内阻抗压降产生的误差。

A development was made in terms of measuring the voltage drop by ratio error at a shunt in magnetized secondary circuit of a VT.

引用实例分析了PT二次回路对继电保护和计量的影响，并提出了改进措施。

The effects of PT secondary circuit on relay protection and measurement were analyzed by an example and the improving measures were set forward .

分析了冲击电压发生器二次回路在任意波形下的参数选择法，提出了一种采用MATLAB的数学计算功能进行冲击电压发生器在任意波形参数下的参数计算方法。

The paper analyzed the algorithm of the second discharge circuit based on any double-exponential fitting , introduced the method of the parameters evaluation of impulse voltage generator using MATLAB .

关于TV二次回路压降系列测试的解析对一起10kV压变二次异常的分析及建议

Analysis to a Series of Measuring on the TV Second-level Route Voltage Reduce Analysis and Suggestion on Abnormal Phenomenon of 10 kV PT Secondary Circuit

就三个变电所CVT故障或异常导致的二次回路电压出现了谐波、三相不平衡及暂态扰动等现象分别进行了分析。

The phenomenon of CVT faults resulting in secondary side voltage harmonics , voltage unbalance or transient disturbance was analyzed in this paper .

220kV断路器操作箱与断路器二次回路的配合

Coordination between Operative Box and Secondary Circuits of 220 kV Disconnectors

测试表明，减少计量二次回路电流可使CVT的二次回路压降同样程度的减少。

From the result of test , when current of measuring secondary loop decreases 30 percent , the secondary loop voltage-drop still decreases 30 percent .

为此详细分析二次回路通流检查试验与TA的特性参数之间的关系，以提高对回路通流试验重要性的认识。

This paper analyzes in detail the relation between secondary circuit current check test and characteristic parameters to deepen the understanding to the importance of current injecting test of circuits .

揭阳110kV榕城变电站10kV粮食线二次回路曾发生投退直流控制电源小保险时，引起相邻线路开关误跳闸的事故。

Switching of mini fuses in secondary circuit may occasionally cause miss-trip of switches of multiple adjacent lines .

国家电网公司110～500kV变电站高压断路器二次回路典型设计及应用

The typical design and application of secondary circuit for high voltage breaker in 110 ~ 500kV substation in SGCC

一起JCC-11D型装置二次回路故障分析

Analysis on the fault of the secondary circuit of JCC-11D

该系统可以在线监测计量装置二次回路的电力技术参数、电能表的精度、TV二次压降、TV和TA的二次负荷等，并结合网页数据库实现了数据的共享。

It can monitor the power parameters of the secondary circuits of energy measuring devices , and can test error of meters , TV secondary voltage drop and the secondary factual load of transformers . By web database , the users can share all the data .

TA二次回路设计的合理性与安装质量的好坏直接会影响到电力系统保护动作的可靠性及测量元件的准确度，因此必须对TA二次回路进行完整的试验。

The designed rationality and installed quality of TA secondary circuits will influence directly the acting reliability of electric power system protection equipments and the accuracy of measurement , then the complete test of TA secondary circuits must be made .

基于TMS320C54X的电力系统二次回路测量系统具有体积小、稳定性高等优点，电力领域应用广泛。

The system can test the secondary load of electric power based on TMS320C54X has has extensive applications in electric power etc.

相对于常规双母线接线方式，220kV一个半断路器接线方式下继电保护及相关二次回路要复杂得多，但又与500kV系统有所不同。

Compared with that in conventional 220 kV duplicate bus scheme , the protective relay and secondary circuit in 220 kV bus scheme with one and half breaker are obviously more complicated . It is also different from that in 500 kV system .