电流互感器
- 名current transformer;CT;current transformer CT;TA
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当前电力系统继电保护广泛采用的电流互感器(CT)仍然是传统的电磁式电流互感器。
At present , the electromagnetic current transformer ( CT ) is still widely used in electric power relay protection .
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论文中提出了一种具有折返传感光路的法拉第镜式光学电流互感器(Faradaymirror-typedopticalcurrenttransformer:FMOCT)方案;
A project of Faraday mirror-typed optical current transformer ( FMOCT ) with turn-back optical paths is proposed in this paper .
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GIS用空芯线圈电流互感器及运行分析
Air Core Coil Transformer Used in GIS and Operational Analysis
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基于DSP的光纤电流互感器设计研究
Design and Research on Optical Fiber Current Transformer Based on DSP
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基于DSP的光纤电流互感器二次侧信号处理
Processing the Second Side Signal of the Fiber Current Sensor with DSP
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通过电压互感器PT和电流互感器CT获得输配电线路上的三相交流电压、电流信号。
Use PT and CT to get AC voltage and current signal .
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U形一次绕组电流互感器的动稳定计算
Calculation of Dynamic Stability of Current Transformer with U Primary Winding
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针对CT饱和的问题,深究了产生它的原因,并指出光电式电流互感器可以解除这一瓶颈。
It researches its reasons about the problem of CT saturated , and points OECT can solve this problem .
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电流互感器(CT)饱和时,电流继电器能不能正确动作,一直存在二种载然不同的观点。
There are two different points of view on whether current relay operates correctly or not , when CT saturates .
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在对电流互感器(CT)暂态过程的数字仿真中,电流互感器的铁芯的非线性磁化特性必须加以考虑。
The nonlinear magnetization characteristic of current transformer ( CT ) iron core must be considered when simulating the CT 's transients behavior .
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大型母线式电流互感器(CT)的安装一直比较困难,针对这个问题介绍了一种母线式CT安装装置。
The installation of main type CT has ever been rather difficult . The paper introduces a device for installing main type CT .
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其次,本文以高压电流互感器的数字电路部分和数字钟为例,研究了如何用VHDL语言进行综合设计。
It studied how to use VHDL language into synthetic design .
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故用ECT取代电磁式电流互感器已成为必然趋势。
So it is the trend of ECT to replace electromagnetic current transducer .
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对这种混合式电流互感器传感器的电源供能、AD转换等进行了研究。
The power source energization and the A / D conversion of the sensor in the hybrid optical current transformer are researched .
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现有P级电流互感器适当提高制动系数,尽量减小二次负荷,提高额定准确限值系数等,都是行之有效的措施。
All of these measures are effective such as increasing the braking coefficient of the P current transformer properly , reducing the quadratic charge and increasing the rated restrictive coefficient etc.
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LB6&110W2型电流互感器内部故障分析与处理
Analysis and Treatment of Internal Faults of Type LB_6-110W_2 Current Transformer
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500kV电流互感器绝缘油tgδ不合格原因的分析
Analysis of Abnormal of Insulating Oil in Imported 500 kV Current Transformer
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基于Bang-Bang控制的宽量程电流互感器
Wide range current transformer based on the bang - bang controller
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基于电流互感器和(PIC)热敏电阻保护三相电动机的电路研究
Research on the Three - phase Asynchronous Motor Protection Circuit Consisting of Current Transformer and ( PTC ) Thermistor
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DSP在电流互感器中的作用包括对光纤接收器接收到的数据进行处理、显示,同时还要提供高压端的模数转换所需时序,控制其转换。
The function of DSP including that processing and display the data received from the Optical Receiver , offering the timing required for analog-digital conversion in high-voltage side to control the conversion .
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变压器星形侧中性点电流互感器I(pn)和K(alf)参数选择
Analysis and Recommendation for Selection of I_ ( pn ) and K_ ( alf ) of Current Transformers at Transfomer Wye Side Neutral Point
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介绍了U形一次绕组电流互感器可满足动稳定要求的结构及强度计算方法,并给出了计算实例。
The strength calculation method and the structure of current transformer with U primary winding to fulfil the dynamic stability requirements are introduced , and some calculating examples are given .
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CTB型电流互感器二次过电压保护器
CTB protector for current transformer 's secondary over voltage
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为改善SF6气体绝缘电流互感器外电场的分布,采用了电容锥结构。
To improve the distribution of external electric field of SF 6 gas insulation current transformer , cone capacitor is used .
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光电流互感器(OTA)、光电压互感器(OTV)的应用,将改善TA饱和对主设备保护的影响。
The application of OTA and OTV will improve the influence of TA saturation on main equipment protection .
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利用所研制的高精度无源单匝穿心式小电流互感器,建立了一种基于FFT的介质损耗测量方法,它可以有效地消除谐波和工频信号波形不工整的影响,并进行了实验验证。
Using the passive high-precision current transformer founds a method to measure dielectric loss based on FFT which can eliminate effects of harmonic and current frequency excursion and conducts an experiment .
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220kV电流互感器故障原因分析
Cause Analysis on 220 kV Current Transformer Faults
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SF6电流互感器电场计算及其结构优化根据电场计算方法和物理模型建立了空腹式接地装置的计算等效模型。
Electric Stress Calculation and Design Optimisation of SF_6 Current Transformer According to the characteristic and the precision demand , it improved the electric calculation method of surface charge .
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复合误差计算软件为制造厂家采用IEC标准进行电流互感器设计提供了定量的评估手段。
The software of complex error calculation illustrated in the paper provides manufacturers with a quantitative analysis of the appreciation of their current transformer design based on the IEC criterion .
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该方法还具有动作速度快,简单可靠和准确的特点、并且还避免了判断电流互感器(TA)饱和时刻的难点。
The method has the characteristics of rapid act , simplification , reliability and nicety , and turns away the difficulty of estimating the occurring time of the saturation of current transformer .