With the help of a sim\u00adple instruc\u00adtion book\u00adlet, the local team installed the MSENSE\u00ae BM sen\u00adsors on all 12 oil-impreg\u00adnat\u00aded paper bush\u00adings (OIP bush\u00adings) of the two PSTs on their own. After\u00adwards, MR com\u00admis\u00adsion\u00ading spe\u00adcial\u00adist Peter Schel\u00adter showed the team how to indi\u00advid\u00adu\u00adal\u00adly adjust the para\u00adme\u00adters that were already stored in the system\u2014that was all it took for the elec\u00adtric\u00adi\u00adty to flow between Slove\u00adnia and Italy more reli\u00adably than ever.<\/p>\n
REVISION PLUS RETROFITTING<\/h2>\n
Although it may sound sim\u00adple, in real\u00adi\u00adty it was of course much more com\u00adpli\u00adcat\u00aded, as Alek\u00adsander Pola\u00adjn\u00ader, Head of the High-Volt\u00adage Device Depart\u00adment at ELES, describes with a smile: \u201cRevi\u00adsion of phase-shifter trans\u00adform\u00aders is chal\u00adleng\u00ading and needs to be planned care\u00adful\u00adly. These devices con\u00adtrol the flow of pow\u00ader\u00adful elec\u00adtri\u00adcal loads between two coun\u00adtries, and there\u00adfore guar\u00adan\u00adtee the safe, reli\u00adable, inter\u00adrup\u00adtion-free trans\u00adfer or exchange of elec\u00adtric\u00adi\u00adty. In the event of an unplanned fail\u00adure, in the worst-case sce\u00adnario, a net\u00adwork out\u00adage due to over\u00adload could occur.\u201d MR designed the MSENSE\u00ae BM mon\u00adi\u00adtor\u00ading sys\u00adtem for reli\u00adable mon\u00adi\u00adtor\u00ading of high-volt\u00adage bush\u00adings. An inno\u00adv\u00ada\u00adtive algo\u00adrithm mon\u00adi\u00adtors their capac\u00adi\u00adtance as well as the dis\u00adsi\u00adpa\u00adtion fac\u00adtor, and com\u00adpares any devi\u00ada\u00adtions with pre\u00adde\u00adter\u00admined lim\u00adit val\u00adues. The sys\u00adtem imme\u00addi\u00adate\u00adly noti\u00adfies high\u00ader-lev\u00adel sys\u00adtems if the lim\u00adit val\u00adues are exceed\u00aded before the trans\u00adformer sus\u00adtains any dam\u00adage. MR Sales Engi\u00adneer Ser\u00advice Bas\u00adt\u00adian Nie\u00adder\u00admeier explains: \u201cAround 17 per\u00adcent of all trans\u00adformer fail\u00adures are caused by defec\u00adtive bush\u00adings. For this rea\u00adson, it is cru\u00adcial to mon\u00adi\u00adtor them in order to ensure the reli\u00ada\u00adbil\u00adi\u00adty of the sys\u00adtem as a whole.\u201d<\/p>\n MSENSE\u00ae BM fea\u00adtures an inno\u00adv\u00ada\u00adtive con\u00adcept that uses what is referred to as a dou\u00adble-ref\u00ader\u00adence method that mon\u00adi\u00adtors the con\u00addi\u00adtion of the bush\u00ading insu\u00adla\u00adtion based on a change in capac\u00adi\u00adtance and the dis\u00adsi\u00adpa\u00adtion fac\u00adtor in a three-phase sys\u00adtem. Nie\u00adder\u00admeier: \u201cSince the algo\u00adrithm per\u00adma\u00adnent\u00adly mon\u00adi\u00adtors all three bush\u00adings and com\u00adpares them with one anoth\u00ader, the tem\u00adper\u00ada\u00adture depen\u00adden\u00adcy of oth\u00ader process\u00ades, which only mea\u00adsure the volt\u00adage at one bush\u00ading, is also deter\u00admined and linked to oth\u00ader mea\u00adsure\u00adments, for exam\u00adple the tem\u00adper\u00ada\u00adture.\u201d<\/p>\n \u201cOur expe\u00adri\u00adence in recent years has demon\u00adstrat\u00aded that MR offers excel\u00adlent sup\u00adport as well as Alek\u00adsander Pola\u00adjn\u00ader, Head of High Volt\u00adage Device Depart\u00adment at ELES<\/cite><\/p><\/blockquote>\n The MR sys\u00adtem for detec\u00adtion of sym\u00adme\u00adtry of the three-phase net\u00adwork uses the sig\u00adnals of the respec\u00adtive volt\u00adage trans\u00adform\u00aders as a ref\u00ader\u00adence and checks whether the mea\u00adsure\u00adments are valid and whether asym\u00adme\u00adtries in the net\u00adwork are effec\u00adtive\u00adly com\u00adpen\u00adsat\u00aded and elim\u00adi\u00adnat\u00aded. MR filed a patent for this con\u00adcept in 2017.<\/p>\n In addi\u00adtion to trans\u00adfer\u00adring elec\u00adtric\u00adi\u00adty to Italy and vice ver\u00adsa, ELES also oper\u00adates trans\u00admis\u00adsion grids that are con\u00adnect\u00aded with Aus\u00adtria and Croa\u00adt\u00adia and they are cur\u00adrent\u00adly plan\u00adning a con\u00adnec\u00adtion to Hun\u00adgary. This makes ELES part of the Europe-wide mul\u00adti-region\u00adal cou\u00adpling (MRC) project.<\/p>\n Alek\u00adsander Pola\u00adjn\u00ader explains: \u201cOur part\u00adners count on the reli\u00ada\u00adbil\u00adi\u00adty of our sys\u00adtems. That is why we are so care\u00adful when it comes to choos\u00ading the com\u00adpa\u00adnies we work with. Our cur\u00adrent trans\u00adform\u00aders are already equipped with MR sys\u00adtem solu\u00adtions. Our expe\u00adri\u00adence in recent years has demon\u00adstrat\u00aded that MR offers excel\u00adlent sup\u00adport as well as inno\u00adv\u00ada\u00adtive, reli\u00adable, safe solu\u00adtions. By decid\u00ading to imple\u00adment the MSENSE\u00ae BM mon\u00adi\u00adtor\u00ading sys\u00adtem going for\u00adward, we are already ben\u00ade\u00adfit\u00ading today from ser\u00advice from a sin\u00adgle source.\u201d<\/p>\n
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