Optical current transformeroct is defined as sensors that directly or indirectly use optical sensing methods to measure electric currents. A fiberoptic current sensor focs is a current sensor for measuring direct current. Used in ac system for the measurement of current, voltage, power and energy. We consider bulkoptics and allfiber current sensors and voltage sensors that exploit the electrooptic effect in bgo and the piezoelectric effect in quartz. We will fix it for you optical current transformer. Polyfuses seminar ppt btech seminar ppt free download. Generally, an ebook can be downloaded in five minutes or less. Potential transformer pt definition the potential transformer may be defined as an instrument transformer used for the transformation of voltage from a higher value to the lower value.
Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of the magnetic field when the. 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. Introduction moctprinciple the magnetooptical current transformer is based on the faradays effect. 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. A presentation on magneto optical current transformermoct submitted by.
What is the working principle of a current transformer. Shivankit bansal 1207749 final year electrical deptt. Octs are based on faraday effect, interferometric principle, bragg grating and micromechanical sensors with optical readout. The influence of birefringence on the measuring signal is discussed. Magnetooptical current transformer technology moct. Advantages of optical current and voltage sensors and. Ppt magneto optical current transformer powerpoint. The moct measures the electric current by means of faraday effect, which was first observed by michael faraday 150 years ago. Their task is the sampling of voltage and current for use in measurement and protection 15. The faraday effect is the rotation of the polarization state of light. Contents current transformer moct principle,working,design moct. To measure currents power stations and substations conventionally employ inductive type current transformers. Moct optical current transformer system for metering 72. Wireless mobile charger using atmel 89s52 mcu project report.
Magnetooptical current transformer powerpoint ppt presentation. It appears that the newly emerged magnetooptical current transformer technology provides a solution for many of the above mentioned problems. Magneto optical current transformer department of electrical and electronics. Ppt magneto optical current transformer powerpoint presentation free to download id. Conclusion this magneto optical current transducer eliminates many of the drawbacks of the conventional current transformers. Osa error characteristic analysis and experimental. 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. The same aluminum casting design covers all voltage ratings and all currents ratings. Conclusion this magnetooptical current transducer eliminates many of the drawbacks of the conventional current transformers. The main challenge with conventional current transformers in highvoltage.
Moct block diagram applications pros and cons conclusion 3. Choose the software by clicking the down arrow to the right of the option. A current transformer transforms the current down to a reasonable level and provides an isolation barrier. 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. Optical technology in current measurement seminar report. Current transformers are used to measure primary cur. Liu, modeling analysis and experiment study on temperature characteristic of allfiber optical current transformer, proc. Click the ok button at the bottom of the prompt to finalize your choice. Magneto optic current transformer full seminar report, abstract. Download this file optical current transformer and its applications new eee. Compensation of phase modulation disturbance in all fiber. 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. Structure of transformer the transformer two inductive coils,these are electrical separated but linked through a common magnetic current circuit these two coils have a high mutual induction one of the two coils is connected of alternating voltage. Download optical current transformer oct ppt for electrical engineering seminar.
The moctp system is suitable for outdoor application and has a continuous current rating. Introduction to moct an accurate electric current transducer is a key component of any power system instrumentation. Fiber optic current sensors and optical current transformers. The magnetooptic current transformer moct is a passive optical current transducer which uses light to accurately measure current on high voltage systems. We report on abbs fiberoptic current and voltage transducers and their applications in highvoltage substations. Contents introduction ct purpose and demerits moct principle, design, working. To get full information or details of buck boost transformer please have a look on the pages. 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 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. Download your reports for magneto optic current transformer. Magneto optic current transformer seminar report pdf. Optical current transformer market global industry.
This transformer step down the voltage to a safe limit value which can be easily measured by the ordinary low voltage instrument like a voltmeter, wattmeter and watthour meters, etc. The principles of measuring currents in highvoltage lines by magnetooptical means are described. During the forecast period, north america will be closely followed by asia pacific in terms of expected demand. An accurate current transducer is a key component of any power system instrumentation. Optical current transformer is an alternative to the existing conventional. The design allows the installation of a second optical sensor head, in order to have an extended redundancy level for the system. Click next to the open with option to open the slideshare presentation in a software tool. To measure currents power stations and substations conventionally employ. How to download ppt files from slideshare online for free. Current transformers cts and voltage transformers vts are used extensively in substations for measuring and monitoring voltage and current. Current measurement with optical current transformer.
The insulation structure has to be designed carefully to avoid breakdown. Transformers used for voltage potential measurement steps down the voltage to the level of voltmeter. Magneto optic current transformer linkedin slideshare. Explore magnetooptical current transformer technology moct with free download of seminar report and ppt in pdf and doc format. 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, 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. Optical current transformer free download as powerpoint presentation. 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. Ppt transformer protection powerpoint presentation. Compensation of phase modulation disturbance in all fiberoptical current transformer article in applied mechanics and materials 2912941. Optical current transformer oct is defined as sensors that directly or indirectly use optical sensing methods to measure electric currents. For pricing and availability of a specific ct model, give us a call at 614 8896152 or use the quote request form. Ppt moctmagneto optical current transformer powerpoint presentation free to download id. Also explore the seminar topics paper on optical technology in current measurement with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electrical and electronics.
Optical measurement of currents in power converters. Download the seminar report for magneto optic current. Some of the main features of optical current transformer are. With short circuit capabilities of power system getting larger and the voltage level going higher the conventional current transducers becomes more. Sdoict is a fully passive optical transducer that provides a digital measurement solution for metering and. Optical current transformer oct ppt topics for seminar.
Magnetooptical current transformer ppt electrical ppt. 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. Particular attention is payed to using an optical fiber both as a transmission line and a measuring sensor. The seminar topic is based on magneto optical current transformer presented byaishwarya verma0902011 2. Arteches sdooct is a passive, modular optical current transformer that can be used for any voltage level. Save the slideshare presentation file in your browser by clicking to the left of the save file option.
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. For high voltage applications, porcelain insulators. Introduction in recent years optical current and voltage. Optical current transformer, fiber optic, current sensor, protection, current transducer e 1 5 0 54. Optical current transformer oct linkedin slideshare. Moct magneto optical current transformer powerpoint ppt presentation. To measure currents, power stations and substations conventionally employ inductive type current transformers. 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. The basic principle of fiber optic current sensors focs and optical current transformers octs is to measure polarization rotation due to the faraday effect. About download ppt for universal current sensor is not asked yet. Explore optical technology in current measurement with free download of seminar report and ppt in pdf and doc format. Extensive bandwidth, able to measure both dc and ac current up to. Fiberoptic current and voltage sensors for highvoltage.
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