Nnoptical technology in current measurement pdf

Components and methods for current measurement vishay. Vertical height limited only by scanner and objective working distance. Polaris vega achieve a new level of tracking accuracy and speed with this passive optical measurement solution that integrates seamlessly into oem tool navigation and visualization applications. We also provide training workshops at our other locations, as well as in. In our training center in monchengladbach, we offer seminars in fiber optic network technology several times a year. Get optical technology in current measurement seminar report and ppt in pdf and doc. Particle image velocimetry measurement of indoor airflow. Theres an old adage that a lens design is only as good as the fit. Latest technology in current measurement seminars topics.

A case for combining optical measurement solutions. Pdf optical current sensors based on polarization rotated. Form and shape measurement sophisticated round part applications involving form and shape measurement are easily carried out using the flexible programming facility. Optical measurement techniques clarkson university. We consider bulkoptics and allfiber current sensors and voltage sensors that exploit the electrooptic effect in bgo and the piezoelectric effect in quartz. One of the measuring devices is the optical 3d scanner which is device for object digitization, in substance. Current transformers for measurement convert high currents in a conductor using a fixed ratio e. Noncontact measurement of high temperature using optical fiber sensors final report contract no. This application guide is focused on indirect technologies as they apply. Do they make a guage that has circles that go from say 30mm out to 70 or 80mm that you can lay the frame on to get a more accurate reading. This power conversion is what provides the voltage signal. The current and the voltage measurement facility can. Aug 31, 2016 optical fiber current sensor ofcs based on faraday magnetooptic effect has many advantages of immunity against electromagnetic interference, high sensitivity and wide dynamic range. Promeasure is a powerful software system, which allows a visual comparison of the true form obtained.

For current measurements, two current paths are available, one of which is a high current path for up to 10 a. New advancements improve performance by bill kolbeck, business unit director, automation products raytek corporation infrared ir technology has been successfully employed for years in manufacturing industries for ongoing temperature measurement and control. A fiberoptic current sensor for lightning measurement. Recent trends of measurement and development of vibration.

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. Industrial optical length measurement delivers swift and reliable measurement results with ultrahigh precision over short and long distances. It is necessary to develop large spatial scale optical system and camera shooting technology to overcome these limitations. Within the electrochemical industry, dc current measurement systems are required for process control and regulation. Digital measurement system digital linear measuring transducers. Nikon metrologys optical measuring systems include autocollimators, digital height gages, measuring microscopes, optical comparators and software. Particle image velocimetry measurement of indoor airflow field. You might want to finally invest in a digital measuring device for your optical, if you havent already. Pdf implementation of opticalbased measuring instrument. The ability to handle bidirectional currents enables the current sensor to signalize or provide a trip signal on reverse currents. Optical measurement, when clearly understood and applied, can bring huge benefits. Over the past 15 years, optical current sensors have received significant attention by a number or search groups around the world as next generation high.

Optical current sensing element with single medium. Surface measurement 101 noncontact 3d optical metrology dr. Traditionally, flatness measurement has been done manually using a straight reference straight edge or thin wire under tension and a wedge or feeler gauge. Current transformer the mostused device for measurements of alternating currents in electrical high and mediumvoltage networks is the ct current transformer. Digital linear measurement transducers gauging probes with in line connector orbit acs is a specific range of products which integrate contact and non contact linear measurement transducers with an electronics module that includes an integral display. Microfocus xray and computed tomography inspection systems get the inside insight of complex industrial parts in a non destructive way. We also provide training workshops at our other locations, as well as inhouse workshops. The benefits of optical measuring technology are its high point density and speed. Optical metrology providers are responding to customer demands for greater data density and ever more complex applications, often in difficult environments. This level of accuracy has never previously been achieved using a traditional non optical sensor.

This book provided practical and workable case studies. Optical technology in current measurement polarization waves. Nowadays, with the development of computer technology, electronic technology and manufacturing process, a. This type of sensor has been under development by the power indust ry for decades. We demonstrate that an optical fibre current sensor can measure current over 500 ka with an accuracy of 0. Minimum current threshold for logic 1 is set to i 1,min maximum current threshold for logic 0 is set to i 0,max opening of the eye, e eye i 1,mini 0,max international university bremen course. With todays freeform lenses in the forefront, that adage has never. This tool makes the analysis of manufacturing problems easier. Digital measurement system digital linear measuring transducers features accuracy to pdf available in hankook kwanghak hoeji 214 january.

We propose an optical based measuring instrument of catenary system in electric railway. Various measuring principles are available for length measurement using light, such as the triangulation method, the phase measurement process, or the timeofflight propagation of a pulse. Summary abbs state of art fiberoptic current sensor is an important and major progress in the technology of high current dc measurement. This system was made to utilize line scan camera as inspecting system to measure the stagger and height of.

Optical measurement optical measurement addresses the growing need to inspect parts faster, in a more accurate and repeatable way. Harting hall effect current sensors and measurement transformers. Optical technology in current measurement seminar report. 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. Measurement data can be stored locally, but it is not intended for longtime storage. Nikons industry leading cmm and handheld laser scanners enable a digital. The other current sensing implementations are beyond the scope of this application note and reserved for subsequent microchip technology incorporateds application notes. Oct 01, 20 hightech measuring digital measuring devices can do more than just help deliver customized precision. I know you can just measure diagonally across the lens area but i was hoping someone had a simple way to measure a little more accurately. Noncontact measurement of high temperature using optical. Kl3681 digital multimeter terminal beckhoff new automation. Evaluation of measuring capability of the optical 3d.

Taylor optical measurement techniques turbulent flows are the rule, not the exception. Besides the mtf measurement, the important lens characteristics like distortion, optical axis misalignment, relative f number, magnification, and back focus length also can be measured by this system with a very high speed and low cost fully computerized. We report on abbs fiberoptic current and voltage transducers and their applications in highvoltage substations. Optical noncontact profilers and measurement compare. Some 42 percent of optical retailers responding to jobson optical researchs 2015 premium lens marketpulse survey said that they have a digital measuring device in their office. Apr 01, 2015 situations where a part needs to be compared to its cad data like this are ideal applications for this optical measurement technology. Introduction in recent years optical current and voltage.

The el34, el34001 and el34120 power measurement terminals have neutral conductor current measurement as standard since the 3rd quarter of. Digital optical measurement techniques and applications. Fast computerized optical lens measurement by linear ccd. The current sense resi stor is placed in line with the current being measured and the resultant current flow causes a small amount of power to be converted into heat. Providing versatility in noncontact optical surface profiling with the newview 8000 series. A low cost, high speed mtf measurement by linear ccd has been successfully developed here. Me637 particle transport, deposition and removal ii jeffrey a. Abbs newly developed product family of fiber optics current sensor free standing focsfs offers significant improvements over conventional cts and facilitates direct introduction of digital process bus in hv substations. We provide further training to keep you up to date. Once submitted, we will try and place you in contact with a suitable optical noncontact profilers and measurement supplier within 48 hours. A new generation optical flatness measurement systems. Results independent of intensity variations across field of view. Optical fiber current sensor ofcs based on faraday magnetooptic effect has many advantages of immunity against electromagnetic interference, high sensitivity and wide dynamic range. Explore optical technology in current measurement with free download of seminar report and ppt in pdf and doc format.

These circuits have been culled from a variety of linear technology. The principles of optical and optical fiber current sensor technology have been known for some considerable time, and some of the earliest papers on optical fibre measurement techniques have considered this topic. Optical properties measurement systems mmr technologies, inc. It is a must for those would like to work practically on visual measurement system. Marshaft optical and tactile shaft measuring units. Fiberoptic current and voltage sensors for highvoltage substations k.

His research has led to 5 us patents and 150 technical publications. Another critical challenge is the interface with end devices including meters and relays, as the signals. Jan 21, 2016 get optical technology in current measurement seminar report and ppt in pdf and doc. A fiberoptic current sensor focs is a current sensor for measuring direct current. The best results obtained on the with cladding sensor type with 3 cm length of peel for measuring electric current produce a sensitivity value of 0. 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. New dc current measurement technology with fiberoptic. Wp17 optical measurement guidelines white paper 20161201 2016 lumileds holding b. Mar 14, 2014 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. Third dimension optical measuring devices providing optical. Digital measurement system digital linear measuring.

Among them, 49 percent said they use it 75 percent to 100 percent of the time. And then the main advantages and disadvantages of several. 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. Any suggestions on an easy quick way to measure frame eds. Two halogen lamps are located inside the ofr 104 flare ulbricht sphere, which illuminate the spheres interior. Fiberoptic current and voltage sensors for highvoltage. You receive informative results in a very short time. Optical measurement of currents in power converters. High current measurement application guide yokogawa. The fiberoptic current sensor is based on faraday rotation effect and can overcome most limitations of traditional current sensors, making accurate direct aircraft lightning measurement feasible and affordable. Nonintrusive seed, but no probes in the flow field robust no particle collection on probe high accuracy accuracy is predictable high precision very little drift small measurement volume optical techniques.

Digital optical measurement techniques and applications and millions of other books are available for amazon kindle. The evaluation of the measuring capability of a measuring device is very important in the field of quality assurance. Measurement for super smooth surface measurement of optical thin film test of infrared technologies optical test and measurement for micro and nano scale technology laser radar modern optoelectronic instruments detectors focal plane instrumentation ir xray uv measurement technology and instrument. Components and methods for current measurement revision. This is still performed by some steel and metal producers, but automated measurement using optical gauges become more and more common. Optical metrology is the principle behind optical measurement devices, such as the gapgun that can determine the dimensional profile of a part, by taking a series of pictures of its surface. Medical use simulation use polaris series track the 3d position and orientation of active or passive markers attached to surgical tools with advanced optical measurement. Confidential material components in an optical system pure highpressure gas greater than 1800 psi gas lines, pressure gauge, etc filterdryer apparatus refrigerator computer temperature controller circuit breakout box vacuum pump vacuum chamber. Third dimension optical measuring devices providing. Extreme current measurements using a fibre optics current. Optical technology in current measurement free download as word doc. The paper presents the experimental results of the investigations of optical.

A current transformer transforms the current down to a reasonable level and provides an isolation barrier. In some instances, there is a case for combining optical measurement with other technologies to produce more comprehensive results than using just one technique. Fiber optic current sensors based on polarizationrotated reflection interferometry are demonstrated by incorporating them into polymeric optical waveguide components, including polarization. Measurement systems using commercial piv are often restricted to the block of optical paths and the size limit of image. The gapgun is an optical measurement system that uses laser triangulation technology to collect its measurements. The resistor is a direct method of current measurement that ha s the benefit of simplicity and linearity. Abbs newly developed fiberoptic current sensor focs is a spin off from a sensor developed for highvoltage substations and opens totally new perspectives in the field of high current dc measurement. Legendary nikon optics in each nikon upright microscope provide superb images over the entire magnification range. I did implement a visual measurement system on pcb fault detection, with the algorithms image operation and statistical measurement given, i able to improved my first prototype. Photonics and optical communication, spring 2005 dr. For current measurements, two current paths are available, one of which is a highcurrent path for up to 10 a. The matter presented here is prepared by the author for their respective teaching assignments by referring the text books and reference books.