To measure currents power stations and substations conventionally employ inductive type current. A current measurement technique using the magneto optic or faraday effect, has been developed, tested, and demonstrated. Magneto optic current transformer technology moct by. Magnetooptical current transformermoct seminar report. In the majority of magnetooptical current transformers developed to date, the main parameter is the angle of light polarization faraday rotation. Get a sample copy of the magneto optic current transformer market report 2020. The moct measures the electric current by means of faraday effect. Pdf magneto optic current transformer technology moct.
May 29, 2011 magnetooptical current transformer technology by prasanth sun may 29, 2011 5. The magneto optic current transformer moct is a passive optical current transducer which uses light to accurately measure current on high voltage systems. Moct block diagram applications pros and cons conclusion 3. Mar, 2014 download optical current transformer oct ppt for electrical engineering seminar. Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of the magnetic field when the.
The device developed is a magnetooptic current transducer moct. A current measurement technique using the magnetooptic or faraday effect, has been developed, tested, and demonstrated. Also get the seminar topic paper on magnetooptical current transformer technology moct with. Magneto optic current transformer full seminar reports, pdf seminar abstract, ppt. In the majority of magneto optical current transformers developed to date, the main parameter is the angle of light polarization faraday rotation. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. To measure currents power stations and substations. During the forecast period, north america will be closely followed by asia pacific in terms of expected demand.
Both these market are expected to witness rich growth in the optical current transformer market, owing to the increasing demand of optical current transformer in these regions. Current transformer the mostused device for measurements of alternating currents in electrical high and mediumvoltage networks is the ct. The abbreviation for magnetic optical current transformer is moct. Main advantage of an moct is that there is no need to break the conductor to enclose the optical path in the current carrying circuit and there is no electromagnetic interference. Electrooptic voltage transducers eovt it appears that the tecbnology emerged magneto optical current transformer technology provides a solution for many of the above mentioned problems. In this paper, we described a comparison between optical current transformers and conventional current transformers. If so, share your ppt presentation slides online with. Current transformer the mostused device for measurements of alternating currents in electrical high and mediumvoltage networks is the ct current transformer.
Conclusion this magnetooptical current transducer eliminates many of the drawbacks of the conventional current transformers. The seminar topic is based on magneto optical current transformer presented byaishwarya verma0902011 2. It uses the rotation of the plane of polarization by a magnetic field exhibited in certain. Optical current transformers are suitable for power system protection and can replace the magnetic current transformers.
Download citation on mar 1, 2017, attish jain and others published magneto optic current transformer technology moct find, read and cite all the. Current transducers a bulkoptics current transducer. Magneto optic current transformer linkedin slideshare. Current transducers a bulkoptics current transducer abbs first generation magnetooptic current transducer moct with more than 10 years of field experience exploits the faraday effect in a. Apr 09, 2020 the expresswire request now final report will add the analysis of the impact of covid19 on this industry. Also get the seminar topic paper on magneto optical current transformer technology moct with abstract or synopsis, documentation on advantages and disadvantages, presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2016 2017. Moct made out of sf57 materials can achieve higher sensitivity. Also get the seminar topic paper on magnetooptical current transformer technology moct with abstract or synopsis, documentation on advantages and disadvantages, presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2016 2017. Moct optical current transformer system for metering 72. The device developed is a magneto optic current transducer moct. Introduction moctprinciple the magnetooptical current transformer is based on the faradays effect. Also explore the seminar topics paper on magnetooptical current transformer technology moct with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or.
Moct magneto optical current transformer is the property of its rightful owner. Ppt moctmagneto optical current transformer powerpoint. Mar 17, 2014 magnetooptic current transducer moct ppt. The magnetooptic current transformer moct is a passive optical current transducer which uses light to accurately measure current on high voltage systems. Magneto optic current transformer market 2020 by technology. The magneto optic current transformer moct measures the rotation angle caused by.
Optical current transformeroct is defined as sensors that directly or indirectly use optical sensing methods to measure electric currents. Optical current transformer is an alternative to the existing conventional current transformers, providing an advanced measurement solution for both metering and protection applications, based on a cuttingedge patented optical sensing technology. An optical current transformer based on anglecomparison technology had been reported and been constructed using magnetooptical materials and iron core surrounding around one currentcarrying. The global optical current transformer market can be segmented on the basis of type, voltage range and application. Abb launches new moctp optical instrument transformer for relaying high voltage network applications. Based on the faraday effect, magnetooptical current transformers mocts provide numerous advantages as compared with conventional measuring transformers.
The device developed is a magnetooptic current transducer. Magneto optic current transformer full seminar report, abstract. Current transformer power system analysis free lecture pdf download resistance and leakage reactance of transformer or impedance of transformer power system analysis free lecture. It appears that the newly emerged magnetooptical current transformer technology provides a solution for many of the above. Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of the magnetic field. Electrooptic voltage transducers eovt it appears that the tecbnology emerged magnetooptical current transformer technology provides a solution for many of the above mentioned problems. Magnetooptical current transformermocttechnology provides a solution for many of the above mentioned problems. What is the abbreviation for magnetic optical current transformer. Optical current transformer oct ppt topics for seminar. In a conventional current transformer, there is a chance of saturation of magnetic field under high current, complicated insulation and cooling structure, a chance of.
Magnetooptical current transformer technology by prasanth. Also explore the seminar topics paper on magneto optical current transformer technology moct with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or. Moct principle the magneto optical current transformer is based on the faradays effect. Get magnetooptical current transformer technology moct seminar report and ppt in pdf and doc. The moct measures the electric current by means of faraday effect, which. In contrast, the principle of operation of the new sensor is based on the direct registration of the domain wall dw positions in an orthoferrite plate. Moctmagneto optic current transformer free download as powerpoint presentation.
Contents introduction ct purpose and demerits moct principle, design, working. Oct 07, 2019 it appears that the newly emerged magneto optical current transformer technology provides a solution for many of the above mentioned problems. Pdf error analysis of the rough model of the symmetric. Mar 25, 2012 magnetooptical sensor almost all transparent material exhibits the magnetooptical effect or faraday effect, but the effect of some of the material is very temperature dependent, and they are not suitable for the sensing material. Magnetooptical sensor almost all transparent material exhibits the magnetooptical effect or faraday effect, but the effect of some of the material is very temperature dependent, and they. It uses the rotation of the plane of polarization by a magnetic field exhibited in certain glasses faraday effect. Also explore the seminar topics paper on magnetooptical current. Moct magnetoopticcurrenttransformer linkedin slideshare. Magneto optic current transducer consist of a sensor head located near the current carrying conductor, an electronic signal processing unit and fiber optical cables linking to these two parts.
Magnetooptical current transformer technology moct seminar. Abb launches new moctp optical instrument transformer for. Introduction moct principle the magneto optical current transformer is based on the faradays effect. Fiberoptic current and voltage sensors for highvoltage. Magnetooptical current transformer technology moct posted by. The moct measures the electric current by means of faraday effect, which was first observed by michael faraday 150 years ago. Study on magnetooptic balance type of optical fiber current. Magnetooptical current transformer technology moct. Explore magneto optical current transformer technology moct with free download of seminar report and ppt in pdf and doc format. Most current sensor principles are based on some kind of magnetic field measurement technique. Moct optical current transformer system for metering. Magnetooptical current transformer of high bandwidth and. Explore magnetooptical current transformer technology moct with free download of seminar report and ppt in pdf and doc format.
Optical current transformer market global industry analysis. In addition to the insulation benefits, a moct is able to provide high immunity to electromagnetic interferences, wider frequency response, large dynamic range and low outputs which are compatible with. The moctp system is suitable for outdoor application and has a continuous current rating. Optical current transformer is an alternative to the existing conventional current transformers. Moct measures the rotation angle of the plane polarized lights caused by the magnetic field and convert it into a signal of few volts proportional to the magnetic field. It appears that the newly emerged magneto optical current transformer technology provides a solution for many of the above mentioned problems. Optical current transformer market global industry. An optical current transformer based on anglecomparison technology had been reported and been constructed using magneto optical materials and iron core surrounding around one current carrying conductor, which is wounded by coils into which the detectable current is injected. February 7th, 2017 by afsal meerankutty 1 comment an accurate current transducer is a key component of any power system instrumentation. Optical current transducers for electrical power systems. Octs are based on faraday effect, interferometric principle, bragg grating and micromechanical sensors with optical readout.
One of these devices is optical current transformer oct. Conventional current transformers becomes more and more bulky and costly. Download the seminar report for magneto optic current. Magnetic optical or faraday effect was reported by. Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of. Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of the magnetic field when the light propagated in a piece of glass, and the rotation angle was proportional to the intensity of the magnetic field. Magneto optic current transformer market segmentation and.
Apr 02, 2020 get a sample copy of the magneto optic current transformer market report 2020. Octs based on the faraday effect interferometric principles octs based on bragg gratings micromechanical sensors with optical. The magneto optic current transformer moct measures the rotation angle caused by the magnetic field. By using a singleended optical fiber around the current conductor that utilizes the magnetooptic effect faraday. A fiberoptic current sensor focs is a current sensor for measuring direct current. The mathematical light intensity models of magneto optical current transformer are deduced based on the effects of linear birefringence and the static state operating light intensity is defined as. A current transformer transforms the current down to a reasonable level and provides an isolation barrier. Arteche optical current transformer is presented as an alternative to current conventional current transformers, offering an advanced solution for both measuring and. An accurate electric current transducer is a key component of any power system instrumentation. Moctprinciple the magnetooptical current transformer is based on the faradays effect. Octs based on the faraday effect interferometric principles octs based on bragg gratings micromechanical sensors with optical readout other optical current sensing principles principle of moct. Pdf error analysis of the rough model of the symmetric dual.
In the following, we will consider optical current and voltage sensors that have been developed at abb and examples of their applications. Optical measurement of currents in power converters. Using an optical current transformer has several advantages, e. The mathematical light intensity models of magnetooptical current transformer are deduced based on the effects of linear birefringence and the static state operating light intensity is defined as. Current measurement with optical current transformer. Download the seminar report for magneto optic current transformer. Moct abbreviation stands for magnetic optical current transformer. It appears that the newly emerged magnetooptical current transformer technology provides a solution for many of the above mentioned problems. The magneto optical current transformer is based on the faradays effect. Download optical current transformer oct ppt for electrical engineering seminar. Global magneto optic current transformer market 2019 by. The moct system is suitable for outdoor application and has an accurate metering current range from less than 5 a to 3150 a using the same sensor. The magnetooptical current transformer is based on the faradays effect. Moctp optical current transformer system abb ag pdf.
Current transformer power system analysis free lecture pdf download resistance and leakage reactance of transformer or impedance of transformer power system analysis free lecture notes download theory of transformer on load, with resistance and leakage reactance in transformer power system analysis free pdf download. Study on magnetooptic balance type of optical fiber. Magneto optic current transformer seminar report pdf. Moct magnetooptical current transformer seminar topics.
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