Conclusion this magnetooptical current transducer eliminates many of the drawbacks of the conventional current transformers. Particular attention is payed to using an optical fiber both as a transmission line and a measuring sensor. 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. We report on abbs fiberoptic current and voltage transducers and their applications in highvoltage substations. Sdoict is a fully passive optical transducer that provides a digital measurement solution for metering and. Optical technology in current measurement seminar report. Magneto optical current transformer department of electrical and electronics. 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.
Polyfuses seminar ppt btech seminar ppt free download. The same aluminum casting design covers all voltage ratings and all currents ratings. Michael faraday discovered that the orientation of linearly polarized light was rotated under the influence of the magnetic field when the. Download the seminar report for magneto optic current. Current transformer the mostused device for measurements of alternating currents in electrical high and mediumvoltage networks is the ct current transformer. 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. Magnetooptical current transformer technology moct. To measure currents power stations and substations conventionally employ inductive type current transformers. 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. Generally, an ebook can be downloaded in five minutes or less.
The faraday effect is the rotation of the polarization state of light. The moct measures the electric current by means of faraday effect, which was first observed by michael faraday 150 years ago. The insulation structure has to be designed carefully to avoid breakdown. Moct magneto optical current transformer powerpoint ppt presentation. For high voltage applications, porcelain insulators. 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. We will fix it for you optical current transformer. During the forecast period, north america will be closely followed by asia pacific in terms of expected demand. Used in ac system for the measurement of current, voltage, power and energy. Magneto optic current transformer linkedin slideshare.
Contents introduction ct purpose and demerits moct principle, design, working. Click the ok button at the bottom of the prompt to finalize your choice. Optical current transformeroct is defined as sensors that directly or indirectly use optical sensing methods to measure electric currents. 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. Wireless mobile charger using atmel 89s52 mcu project report.
Download this file optical current transformer and its applications new eee. Introduction moctprinciple the magnetooptical current transformer is based on the faradays effect. What is the working principle of a current transformer. Advantages of optical current and voltage sensors and. Download optical current transformer oct ppt for electrical engineering seminar. A fiberoptic current sensor focs is a current sensor for measuring direct current. A presentation on magneto optical current transformermoct submitted by. 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. Octs are based on faraday effect, interferometric principle, bragg grating and micromechanical sensors with optical readout. Liu, modeling analysis and experiment study on temperature characteristic of allfiber optical current transformer, proc. 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. Their task is the sampling of voltage and current for use in measurement and protection 15. 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. How to download ppt files from slideshare online for free.
We consider bulkoptics and allfiber current sensors and voltage sensors that exploit the electrooptic effect in bgo and the piezoelectric effect in quartz. A current transformer transforms the current down to a reasonable level and provides an isolation barrier. Moct block diagram applications pros and cons conclusion 3. Current transformers are used to measure primary cur. Choose the software by clicking the down arrow to the right of the option.
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. To measure currents power stations and substations conventionally employ. Magnetooptical current transformer ppt electrical ppt. The main challenge with conventional current transformers in highvoltage. Transformers used for voltage potential measurement steps down the voltage to the level of voltmeter. Shivankit bansal 1207749 final year electrical deptt. Arteches sdooct is a passive, modular optical current transformer that can be used for any voltage level. To get full information or details of buck boost transformer please have a look on the pages. Fiber optic current sensors and optical current transformers. Click next to the open with option to open the slideshare presentation in a software tool. 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. Moct optical current transformer system for metering 72. The design allows the installation of a second optical sensor head, in order to have an extended redundancy level for the system.
Ppt magneto optical current transformer powerpoint presentation free to download id. Ppt magneto optical current transformer powerpoint. The moctp system is suitable for outdoor application and has a continuous current rating. Download your reports for magneto optic current transformer.
Current transformers cts and voltage transformers vts are used extensively in substations for measuring and monitoring voltage and current. Optical current transformer market global industry. Fiberoptic current and voltage sensors for highvoltage. Osa error characteristic analysis and experimental. 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 to moct an accurate electric current transducer is a key component of any power system instrumentation. Conclusion this magneto optical current transducer eliminates many of the drawbacks of the conventional current transformers. Optical current transformer free download as powerpoint presentation. Some of the main features of optical current transformer are. Contents current transformer moct principle,working,design moct.
Compensation of phase modulation disturbance in all fiberoptical current transformer article in applied mechanics and materials 2912941. For pricing and availability of a specific ct model, give us a call at 614 8896152 or use the quote request form. 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. Save the slideshare presentation file in your browser by clicking to the left of the save file option. Extensive bandwidth, able to measure both dc and ac current up to.
With short circuit capabilities of power system getting larger and the voltage level going higher the conventional current transducers becomes more. An accurate current transducer is a key component of any power system instrumentation. The principles of measuring currents in highvoltage lines by magnetooptical means are described. Optical current transformer oct is defined as sensors that directly or indirectly use optical sensing methods to measure electric currents.
The seminar topic is based on magneto optical current transformer presented byaishwarya verma0902011 2. Optical current transformer oct ppt topics for seminar. Magneto optic current transformer full seminar report, abstract. Current measurement with optical current transformer. 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.
Optical current transformer, fiber optic, current sensor, protection, current transducer e 1 5 0 54. The magnetooptic current transformer moct is a passive optical current transducer which uses light to accurately measure current on high voltage systems. Optical current transformer is an alternative to the existing conventional. Magneto optic current transformer seminar report pdf. Explore magnetooptical current transformer technology moct with free download of seminar report and ppt in pdf and doc format. Explore optical technology in current measurement with free download of seminar report and ppt in pdf and doc format. The basic principle of fiber optic current sensors focs and optical current transformers octs is to measure polarization rotation due to the faraday effect.
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