Definition

An accurate electric current transducer is a key component of any power system instrumentation. To measure currents power stations and substations conventionally employ inductive type current transformers with core and windings. For high voltage applications, porcelain insulators and oil-impregnated materials have to be used to produce insulation between the primary bus and the secondary windings. The insulation structure has to be designed carefully to avoid electric field stresses, which could eventually cause insulation breakdo ....etc

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Optical Current Transformers
SREEKANTH.S.B
S7E2
College Of Engineering, Trivandrum
2007-11 batch



STRUCTURE OF PRESENTATION
Theoretical Concepts
Transducers using Faraday effect
Field trial of O.C.T
Performance of O.C.T v/s C C.T
Merits & Demerits of O.C.T
Manufacturers of O.C.T -AREVA ;ABB
Wrapping

THEORETICAL CONCEPTS
In O.C.T, optical sensors are used to measure electrical currents.

These are called magneto-optic transducers which replaces the secondar ....etc

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ABSTRACT

Optical current sensors are achieving increased acceptance and use in high voltage substations due to their superior accuracy, bandwidth, dynamic range and inherent isolation. Once deemed specialized devices intended for novel applications, optical sensors have risen to a performance level exceeding conventional magnetic devices. A specific area where optical current sensors outperform conventional iron core transformers is the measurement of very high currents that occur during a fault on the power system. Conventiona ....etc

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Abstract
This paper presents an analytic current model for capacitively coupled Single-Electron Tunneling Transistors (SETTs) that is based on a modified M-state steady-state master equation. Based on this current model we also derive a current noise model for SETT. To validate the proposed models we calculate their characteristics at different device parameters and different operation temperatures and compare them with the corresponding characteristics calculated by the full master equation method. The results indicate that the propo ....etc

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Magneto-optical current transformer technology (MOCT)

An accurate electric current transducer is a key component of any power system instrumentation. To measure currents power stations and substations conventionally employ inductive type current transformers with core and windings. For high voltage applications, porcelain insulators and oil-impregnated materials have to be used to produce insulation between the primary bus and the secondary windings. The insulation structure has to be designed car ....etc

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HI
I NEED COMPLETE REPORT AND POWER POINT PRESENTATION ON MOCT(MAGNETO OPTIAL CURRENT TRANSFORMER)
I WILL BE THANKFULL IF YOU SEND THIS INFORMATION ....etc

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MOCT (Magnetic Optical Current Transformer).ppt ....etc

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