| dc.contributor.author | Šimkevičius, Česlovas | |
| dc.contributor.author | Žurauskienė, Nerija | |
| dc.contributor.author | Balevičius, Saulius | |
| dc.contributor.author | Stankevič, Voitech | |
| dc.contributor.author | Baškys, Algirdas | |
| dc.contributor.author | Keršulis, Skirmantas | |
| dc.date.accessioned | 2023-09-18T20:22:31Z | |
| dc.date.available | 2023-09-18T20:22:31Z | |
| dc.date.issued | 2012 | |
| dc.identifier.other | (BIS)LBT02-000047583 | |
| dc.identifier.uri | https://etalpykla.vilniustech.lt/handle/123456789/149190 | |
| dc.description.abstract | We present the design and test results of the current sensing system for protection of frequency converters, which are used for control of the speed of AC induction motors. Proposed pulse current sensing system consists of magnetic field sensor made from thin polycrystalline La-Sr-Mn-O manganite film exhibiting colossal magnetoresistance (CMR) effect, and microcontroller with 12-bit A/D converter for fault current signal recording. The magnetic field generated by high power current cable was fed using flux concentrator to the manganite magnetic field sensor (CMR-resistor). The design of contactless current sensor consisting of two manganite resistors was developed and tested. The system was tested in 0-45 ºC ambient temperature range and was able to protect frequency converters of AC induction motors at threshold current value higher than 10 A. | eng |
| dc.format.extent | P. 1-4 | |
| dc.format.medium | tekstas / txt | |
| dc.language.iso | eng | |
| dc.title | Current sensing system for protection of high power frequency converters | |
| dc.type | Straipsnis recenzuotame konferencijos darbų leidinyje / Paper published in peer-reviewed conference publication | |
| dcterms.references | 8 | |
| dc.type.pubtype | P1d - Straipsnis recenzuotame konferencijos darbų leidinyje / Article published in peer-reviewed conference proceedings | |
| dc.contributor.institution | Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras Vilniaus Gedimino technikos universitetas | |
| dc.contributor.institution | Puslaidininkių fizikos institutas | |
| dc.subject.researchfield | T 001 - Elektros ir elektronikos inžinerija / Electrical and electronic engineering | |
| dc.subject.en | Colossal magnetoresistance | |
| dc.subject.en | Thin manganite films | |
| dc.subject.en | Magnetic field sensor | |
| dc.subject.en | Current sensor | |
| dc.subject.en | Microcontroller | |
| dc.subject.en | AC induction motors | |
| dcterms.sourcetitle | 4th Euro-Asian pulsed power conference / 19th international conference on high-power particle beams (EAPPC 2012 / BEAMS 2012) : Karlsruhe, Germany, September 30 - October 4, 2012 : [proceedings] | |
| dc.publisher.city | Karlsruhe | |
| dc.identifier.elaba | 6020591 | |
