The magneto optical current transformer is based on the faradays effect. To measure currents power stations and substations conventionally employ inductive type current. Measurement research on magnetic properties of electrical. Each type of transformer requires different magnetic characteristics regarding parameters such as permeability, coercivity. Moct magneto optical current transformer powerpoint ppt presentation. Magnetooptical current transformer powerpoint ppt presentation. The path of a magnetic flux in a transformer should have a high resistance b high reluctance c low resistance d low reluctance ans. A current transformer transforms the current down to a. Sep 11, 2016 integrating the optical current transducer with breakerais air insulated switchgear has further provided a very a strong, stable and long term alternative to conventional current measurement. Download optical current transformer oct ppt for electrical engineering seminar. Chapter 16 current transformer design university of north. Since there are more windings in the primary coil than in the secondary, the secondary coil has a lower voltage. Optical measurement of currents in power converters. Ppt magnetooptical current transformer powerpoint presentation free to download id.
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. During the forecast period, north america will be closely followed by asia pacific in terms of expected demand. Jul 17, 2017 in a magnetic lowvoltage transformer, two coils of wire, the primary and secondary coil, are used. Silva 1, hugo martins 1,2, ivo nascimento 1,2, jose m. One of these devices is optical current transformer oct. Octs are based on faraday effect, interferometric principle, bragg grating and micromechanical sensors with optical readout. Optical current sensors ocss show several important features when compared with conventional current transformers cts, such as their having highly effective isolation from high line potentials offered by the dielectric nature of the optical fibers, freedom from the saturation effect which may be observed in conventional transformers, the. Get magneto optical current transformer technology moct seminar report and ppt in pdf and doc.
Explore magneto optical current transformer technology moct with free download of seminar report and ppt in pdf and doc format. The magnetooptical current transformer is based on the faradays effect. 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. Transformer transformer,construction of magnet optical of transformer,winding,equivalent circuit diagram,emf equation,theory of operation powerpoint ppt presentation free to view. Moct is a passive optical current transducer which uses light to accurately measure current on high voltage systems. At the same time, the relative permeability of the electrical steel sheet decreases and the loss increases. 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. The faraday effect is the rotation of the polarization state of light. The response of optical current transformer is the response ability of magnetic field of optical current transformer. Magnetooptical current transformer technology moct. The reduced size and increased accuracy of the omu compared to conventional oilfilled current and voltage transformers make the design particularly. The same aluminum casting design covers all voltage ratings and all currents ratings.
A current transformer operates with a set primary current and will try to output a constant current to the load, independent of the load. Download your reports for magneto optic current transformer. 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. The current transformer will operate into either a short circuit or a resistive load until the voltage induced is enough to. Explore magnetooptical current transformer technology moct with free download of seminar report and ppt in pdf and doc format. Current transformer design tool assists design engineers in choosing the most appropriate core material and size for a number of current transformer ct topologies. Commonly used in homes with trackmonorail or landscape lighting systems, transformers convert the standard residential electric current 120 volts to a lower voltage 12 volts or 24 volts required by the lamp or lighting system. To measure currents power stations and substations conventionally employ inductive type current transformers with core and windings. Get magnetooptical current transformer technology moct seminar report and ppt in pdf and doc. Current transformers cts and voltage transformers vts are used extensively in substations for measuring and monitoring voltage and current. Introduction to moct an accurate electric current transducer is a key component of any power system instrumentation. A presentation on magneto optical current transformer moct submitted by. A free powerpoint ppt presentation displayed as a flash slide show on id. Extensive bandwidth, able to measure both dc and ac current up to 100 harmonic.
Optical current transformer market global 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. Magneto optic current transformer linkedin slideshare. Ieee trialuse standard for optical ac current and voltage sensing systems no shorttime thermal test is required for optical current transformers unless they use magnetic cores or wire windings. Electric current path of primary bus has to be designed properly to minimize the mechanical forces. The basic principle of fiber optic current sensors focs and optical current transformers octs is to measure polarization rotation due to the faraday effect. A presentation on magneto optical current transformermoct submitted by. An accurate electric current transducer is a key component of any power system instrumentation.
Conclusion this magnetooptical current transducer eliminates many of the drawbacks of the conventional current transformers. Magneto optic current transformer seminar report pdf. Eddy current brakes ppt free download seminarsonly. Magnetooptical current transformermoct seminar report.
If you continue browsing the site, you agree to the use of cookies on this website. Optical current transformeroct is defined as sensors that directly or indirectly use optical sensing methods to measure electric currents. Introduction moctprinciple the magneto optical current transformer is based on the faradays effect. 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. Magnetooptical current transformer technology moct seminar. With increasing drawbacks of conventional current transformers such as saturation of magnetic field under high current, electromagnetic interference and complicated insulation and cooling structures are driving the demand for advanced electrical equipment, for instance, magneto optic current transformer market over the forecast.
It appears that the newly emerged magnetooptical current transformer technology provides a solution for many of the above mentioned problems. Optical current transformers are suitable for power system protection and can replace the magnetic current transformers. Current transformer errors and transformer inrush as. The global optical current transformer market can be segmented on the basis of type, voltage range and application. To check pricing and availability for a specific current transformer model, give us a call at 614 8896152 or use our quote request form. Magneto optic current transformer full seminar report, abstract. Current measurement with optical current transformer. Generally, an ebook can be downloaded in five minutes or less. Eddy current is the swirling current produced in a conductor, which is subjected to a change in magnetic field. Contents current transformer moct principle,working,design moct. Download full latest seminar topics for electrical engineering 2020 in doc, pdf or ppt format.
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. Optical current transformer is an alternative to the existing conventional current transformers, providing an advanced measurement solution for both metering a slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Magneto optical current transformer technology provides a solution. Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of the magnetic field when the. Find materials for this course in the pages linked along the left. Conventional current transformers becomes more and more bulky and costly. 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. It appears that the newly emerged magneto optical current transformer technology provides a solution for many of the above mentioned problems. 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.
Magneto optic current transformer, ask latest information, magneto optic current transformer abstract,magneto optic current transformer report,magneto optic current transformer presentation pdf,doc, ppt,magneto optic current transformer technology discussion,magneto optic current transformer paper presentation details,magneto optic current transformer, ppt, pdf, report, presentation, source. Arteche optical current transformer is presented as an alternative to current conventional current transformers, offering an advanced solution for both measuring and protection applications based on optical technology. The moct measures the electric current by means of faraday effect. 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. Ppt moctmagneto optical current transformer powerpoint presentation free to download id. Therefore, if the electrical sheet steel is pieced in the. Mar, 2014 download optical current transformer oct ppt for electrical engineering seminar. Advantages of optical current and voltage sensors and. A current transformer transforms the current down to a reasonable level and provides an isolation barrier. Fiber optic current sensors and optical current transformers. Get more information about eddy current brakes ppt free download by visiting this link. Optical current transformer market global industry analysis. The design allows the installation of a second optical sensor head, in order to have an extended redundancy level for the system.
Some of the main features of optical current transformer are. Download the seminar report for magneto optic current transformer. This section contains lecture notes in both pdf and powerpoint formats. With increasing drawbacks of conventional current transformers such as saturation of magnetic field under high current, electromagnetic interference and complicated insulation and cooling structures are driving the demand for advanced electrical equipment, for instance, magneto optic current transformer market over the. You can also use our live chat tool to speak directly with a sales representative. Inrush may be high in magnitude, may contain a heavy dc offset with a long time constant, and it may have a unipolar halfwave nature. Below is a list of all current transformers available through flexcore, however, not all models are instock. Download the seminar report for magneto optic current. Transformers are devices used in lighting systems to help reduce or stepdown high voltages to lower voltages.
Some of the slides include animations, which can be seen by viewing the powerpoint file as a slide show. Conclusion this magneto optical current transducer eliminates many of the drawbacks of the conventional current transformers. Transformer inrush may be among the worst types of current for a magnetic ct to reproduce, because it has a combination of effects that put ct performance most at risk. Moct magnetooptical current transformer seminar topics. Moctmagneto optic current transformer 1 electric current. Latest seminar topics for electrical engineering 2020. Conclusion this magneto optical current transformer eliminates many of the drawbacks of the conventional current transformers. The current will flow back to the zero field areas of the metal plate and thus create a closed current loop like a whirl or eddy. A fiberoptic current sensor focs is a current sensor for measuring direct current. The primary coil carries the input or high voltage and creates a magnetic flow, which induces a current in the secondary coil. The current transformer function is different than that of a voltage transformer. Magnetooptical current transformer technology provides a solution.
Moctmagneto optical current transformer powerpoint ppt presentation. Mar 10, 2014 magnetic optical current transformer slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The insulation structure has to be designed carefully to avoid breakdown. Mar 14, 2014 optical current transformer is an alternative to the existing conventional current transformers, providing an advanced measurement solution for both metering a slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In an conventional current transformers, there is a chance of saturation of magnetic field under high current, complicated insulation and cooling structure, a chance of electro magnetic interference. Optical current transformer oct ppt topics for seminar.
By using a singleended optical fiber around the current conductor that utilizes the magnetooptic effect faraday effect, focs measures uni or bidirectional dc currents of up to 600 ka within 0. 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. 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. Radio frequency light source rf light sources follow the same principles of converting electrical power into visible radiation as conventional gas discharge lamps. When the disc cuts the magnetic field, flux changes occur in the disc which is proportional to the strength of the magnetic field. Moctmagneto optic current transformer 1 free download as powerpoint presentation.
For pricing and availability of a specific ct model, give us a call at 614 8896152 or use the quote request form. An optical metering unit omu combines optical current and voltage transducers moct and eovt in a lightweight and compact singlephase unit fig. Mar 17, 2014 magnetooptic current transducer moct ppt. Traditional, often line frequency current transformers, hall effect current transformers and switchmode power supply smps current transformers are examined in depth. Current transformer the mostused device for measurements of alternating currents in electrical high and mediumvoltage networks is the ct current transformer. Magneto optic current transformer market global industry. Ppt magneto optical current transformer powerpoint. What is the working principle of a current transformer. 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. Shivankit bansal 1207749 final year electrical deptt. Magneto optic current transformer, ask latest information, magneto optic current transformer abstract,magneto optic current transformer report,magneto optic current transformer presentation pdf,doc,ppt,magneto optic current transformer technology discussion,magneto optic current transformer paper presentation details,magneto optic current transformer, ppt, pdf, report. Integrating the optical current transducer with breakerais air insulated switchgear has further provided a very a strong, stable and long term alternative to conventional current measurement. Optical current transformer oct linkedin slideshare.
These measurements form an essential part of operations and protection functions in the substation, and thus reliability and accuracy of voltage and current transformers vcts is important. In a magnetic lowvoltage transformer, two coils of wire, the primary and secondary coil, are used. Oct 07, 2019 moctmagneto optical current transformer powerpoint ppt presentation. The noload current drawn by transformer is usually what per cent of the fullload current. Transformer transformer,construction of magnetoptical of transformer,winding,equivalent circuit diagram,emf equation,theory of operation powerpoint ppt presentation free to view. Ppt magneto optical current transformer powerpoint presentation free to download id. Fiberoptic current and voltage sensors for highvoltage.
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