分析了故障测距用行波信号对测量互感器的要求。
The requirements of fault location signals to measurement transformers are analyzed.
研制的测试仪主要用于测量互感器的二次侧时间常数和剩磁系数。
The current transducer magnetism characteristic instrument is mainly developed to measure the time - constant and remanence coefficient.
在高压电力系统中,为了提高电压互感器的测量准确度,必须减小误差。
In high voltage power system, in order to raise measurement accuracy, errors must be reduced.
阐述了测量用电流互感器仪表保安系数的计算方法和半成品控制方法,并给出了计算实例。
The calculating safety factor method and the controlling semi-finished products method in measuring cur rent transformers are discussed. The examples are given.
用于电力系统电流测量的全光纤电流传感器由于具有传统电流互感器无法比拟的优点,具有广阔的应用前景。
All-fiber optic current sensors (AFOCS) used to measure the power supply system is superior to conventional current transformers and has broad prospect of application.
设计了一种用于混合式光电电流互感器(HOCT)的电流传感头。分析了其测量误差,给出解决的方法。
A sensor head for hybrid optical current transformer (HOCT) is designed, the error resource of it is analyzed, and the overcoming method is given.
研究了一种用于测量高压电站中输电线电流的光电混合式电流互感器。
An electro optic hybrid current transformer (ct) is DE vised which is used in measuring the super voltage station's line current.
为了提高光学电压互感器的测量精度,提出了提高其稳定性的方法。
In order to raise the precision of measurement, a method for improving stability of Optical Potential Transformers is proposed in this paper.
电流互感器TA 1:提供一次电流测量和一次电流过流信号。
Current transformer TA1: providing primary current measurement and primary current over-current signal.
变压器绝缘护套一般固定在升高座的法兰上,升高座的里边大约可以放下维护和测量用的内装式电流互感器。
Transformer insulation sheath for general fixed on the elevatedseat flange, elevated seat inside about can put down the maintenance andmeasurement using the built-in type current transformer.
从中得到了一些有益结论,可进一步改善积分环节,提高电子电流互感器的测量精度。
Some beneficial conclusions are gained, which can improve the integral circuit further, the measurement accuracy of electronic current transducers is improved?
为了提高用于小电流测量的电子式电流互感器的精度,必须对传感头进行优化,主要解决传感头的相位补偿问题。
In order to improve the precision of electric current transducer used to measure small current, the sensing head must be optimized, mainly to resolve difficulty of phase compensation for sensing head.
提出根据互感器主铁心谐波磁通直接测量电力系统谐波的方案。
A principle of measuring harmonics directly according to the harmonic magnetic flux in the main core of the current transformer is proposed.
基于低噪声光电探测电路设计的光纤电压互感器可获得0 .2 %的电压测量精度,并满足暂态信号的测量要求。
The optical fiber transformer based on an optic electric conversion with low noise gains voltage measurement accuracy of 0.2%, satisfying the requirements of transient signal measurement.
应用该测量系统测试高压电网中的谐波,可以避免因高压电网中取自电容式电压互感器(CVT)的谐波测量信号失真的问题。
The system can measure the harmonic in HV power network, and avoid the problem of harmonic measure signal distortion caused by capacity type voltage transformer (CVT).
传统电流传感器就是指电流互感器,包括测量用电流互感器和保护用电流互感器。
Traditional Current sensor is current transformer, which can be classified into two categories: used in surveying and relay protection.
同时为了得到电压、电流的同步测量值,没有用互感器,而是通过电阻分压测量电压,同时以测量引入电机的电源线的电压代替线电流。
Also in the experiment we obtain the current by measuring the lead current from transducer to the motor, and this because it is the same current with the stator.
电力系统对电压的测量主要采用电磁式电压互感器,需进行二次变压,才能将电网上的信号变为电子测量装置可用的信号。
The voltage transformer used in power system usually adopts electromagnetic configuration whose output signal can't be directly used by electronic apparatus without further transformation.
这种互感器扩展了测量系统的功能,提高了自动化水平。
The transformer expounds the function of measurement system and enhances the t…
这种互感器扩展了测量系统的功能,提高了自动化水平。
The transformer expounds the function of measurement system and enhances…
在介损测量基本原理的基础上,分析了串联谐振的基本原理,提出了电流互感器进行高电压介损测量时的设备配置,结合典型事例给出了测试结果。
Based on principium of medium loss measurement, principium of series resonance is analyzed, and device layout of current mutual inductance used in high voltage medium loss measure is presented.
本文介绍了互感器法磁悬液浓度测量装置的研制。
This paper describes an apparatus for measuring the concentration of magnetic particle suspension liquids.
本文对密封式电压互感器进行了气室中内压力的实际测量与分析。
Pressure changes in the gas space of sealed transformers are discussed and analyzed.
电磁式电压互感器是电力系统测量电压的主要装置。
The magnetic type PT is the primary equipment for measuring the voltages in power system.
实验结果表明,基于DSP的光学电流互感器测量系统能够较好的还原被测电流信号,具有一定的实用性,动态特性良好。
The results show that the current signals could be well restored by the DSP-based OCT's measurement system which is practical and has good dynamic performance.
针对传统电流互感器易饱和﹑绝缘复杂等缺点,介绍了一种混合式光电电流互感器传感头用于测量的新型空心电流互感器。
To avoid shortcomings of conventional current transducers in insulation and saturation, the hybrid optical sensor head of a new type air core current transducer is presented.
该样机对测量通道和保护通道合并传输,达到了测量级0.2的高精度,使电子式电流互感器的理论优势得以工程体现。
The sample machine transmits test channel and protection one simultaneously and reaches high precision of test level 0.2, which implements ECT's theoretic advantages in engineering.
在分析光电式互感器性能的基础上,提出了针对系统大电流进行高精度安全测量的光纤光栅电流互感器模型。
As analyzing the property of optical transformer, a FBG current sensor model is projected for measuring big current safely and in high precision.
在分析光电式互感器性能的基础上,提出了针对系统大电流进行高精度安全测量的光纤光栅电流互感器模型。
As analyzing the property of optical transformer, a FBG current sensor model is projected for measuring big current safely and in high precision.
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