{"id":4291,"date":"2026-09-19T17:49:20","date_gmt":"2026-09-19T17:49:20","guid":{"rendered":"https:\/\/huyuglobal.com\/?p=4291"},"modified":"2026-09-19T17:52:42","modified_gmt":"2026-09-19T17:52:42","slug":"mva-meaning","status":"publish","type":"post","link":"https:\/\/huyuglobal.com\/tr\/blog\/mva-meaning\/","title":{"rendered":"Elektrikte MVA Anlam\u0131"},"content":{"rendered":"<p>Bir\u00e7ok elektriksel k\u0131saltma vard\u0131r ve bu k\u0131saltmalardan biri MVA\u2019d\u0131r. Ancak, \u00e7ok az ki\u015fi trafonun isim levhas\u0131n\u0131 okumadan k\u0131saltman\u0131n tam anlam\u0131n\u0131 bilir; megavolt-amper (MVA) \u201cg\u00f6r\u00fcn\u00fcr g\u00fc\u00e7\u201d anlam\u0131na gelir ve ger\u00e7ek g\u00fc\u00e7 olarak adland\u0131r\u0131lan MW\u2019den ba\u011f\u0131ms\u0131z olarak elektrik devresinin veya sisteminin toplam g\u00fcc\u00fc veya b\u00fcy\u00fckl\u00fc\u011f\u00fc ile ilgilidir. Genel olarak, trafo kapasitesi taraf\u0131ndan tan\u0131mlanan iki t\u00fcr g\u00fc\u00e7 vard\u0131r: Ger\u00e7ek G\u00fc\u00e7 ve MVA ile tan\u0131mlanan s\u00f6zde \u201cg\u00f6r\u00fcn\u00fcr\u201d g\u00fc\u00e7. MVA k\u0131saltmas\u0131n\u0131n kullan\u0131m\u0131, MW gerektiren elektrik y\u00fck performans\u0131 a\u00e7\u0131s\u0131ndan trafo kapasitesinin geli\u015fimini \u00f6l\u00e7meye at\u0131fta bulunur, ancak MVA ayn\u0131 zamanda trafo kapasitesini \u00f6l\u00e7mek i\u00e7in de kullan\u0131labilir. Bu makale, MVA\u2019n\u0131n anlam\u0131 hakk\u0131nda ayd\u0131nlanmaya yard\u0131mc\u0131 olacak, MVA\u2019y\u0131 kVA, MW ve kW\u2019den nas\u0131l ay\u0131rt edece\u011finizi, bu g\u00f6stergenin nas\u0131l hesaplanaca\u011f\u0131n\u0131 ve trafoda uygulanabilecek MVA de\u011ferlerini \u00f6\u011fretecektir.<\/p>\n<blockquote><p>\u2018MVA\u2019 terimi, bir MVA\u2019n\u0131n bir milyon volt-amper (V*A) veya bir milyon voltun bin kilovolt-amper (kVA)\u2018ye b\u00f6l\u00fcnmesi e\u015fit oldu\u011fu g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 birimini ifade eder. \u2019S\u2018 ile g\u00f6sterilen veya volt\/amper \u00e7arp\u0131m\u0131 (V*A) terimiyle ifade edilen g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7, devredeki voltaj ve ak\u0131m\u0131n \u00e7arp\u0131m\u0131d\u0131r. Tek fazl\u0131 ve \u00fc\u00e7 fazl\u0131 devreler i\u00e7in g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 \u015fu \u015fekildedir: tek fazl\u0131 devre i\u00e7in \u2019S\u2018=V*I ve \u00fc\u00e7 fazl\u0131 devreler i\u00e7in \u2019S\u2019=\u221a3(V)(I) (hat voltaj\u0131 (V) ve hat ak\u0131m\u0131 (I)). Bir devredeki g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7, devredeki hem kullan\u0131labilir hem de kullan\u0131lamayan g\u00fcc\u00fc i\u00e7erir. Kullan\u0131labilir (aktif) g\u00fcc\u00fc (MW) hesaplamak i\u00e7in g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7, devrenin \u00fcretti\u011fi ger\u00e7ek g\u00fcc\u00fcn perspektifini g\u00f6steren ondal\u0131k veya y\u00fczde olarak ifade edilen G\u00fc\u00e7 Fakt\u00f6r\u00fc (PF) ile \u00e7arp\u0131lmal\u0131d\u0131r.<\/p><\/blockquote>\n<h2>MVA Ne Anlama Gelir<\/h2>\n<p>K\u0131saltmalar kolayca a\u00e7\u0131klanabilir. B\u00fcy\u00fck harf M, standart uluslararas\u0131 mega sembol\u00fcn\u00fc temsil eder ve bu bir milyonu ifade eder. VA, volt-amperin k\u0131saltmas\u0131d\u0131r ve volt cinsinden voltaj ile amper cinsinden ak\u0131m\u0131n \u00e7arp\u0131m\u0131ndan t\u00fcretilen g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 birimini ifade eder. B\u00f6ylece, bir MVA, 1.000.000 volt-amper anlam\u0131na gelir; yani bir devre 1.000 volt ve 1.000 amper \u00e7al\u0131\u015f\u0131yorsa, g\u00fcc\u00fc 1 MVA\u2019d\u0131r.<\/p>\n<p>Birimin ad\u0131 kW ve MW ile ayn\u0131 \u015fekilde yaz\u0131l\u0131r, bu avantajlar sa\u011flar ancak ayn\u0131 zamanda kafa kar\u0131\u015f\u0131kl\u0131\u011f\u0131na da neden olabilir. \u0130lgili makineler bir transformat\u00f6r i\u00e7in 10 MVA ve bir jenerat\u00f6r i\u00e7in 10 MW olarak i\u015faretlenmi\u015f olsa da, bunlar benzer cihazlar de\u011fildir; ilki g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fc, ikincisi ger\u00e7ek g\u00fcc\u00fc g\u00f6sterir. Her iki say\u0131n\u0131n ayn\u0131 makineyi g\u00f6sterdi\u011fi tek durum, g\u00fc\u00e7 fakt\u00f6r\u00fcn\u00fcn 1 olmas\u0131d\u0131r ki bu pratikte ger\u00e7ekle\u015fmez.<\/p>\n<p>MVA, a\u011f\u0131rl\u0131kl\u0131 olarak y\u00fcksek g\u00fc\u00e7l\u00fc cihazlarda kullan\u0131l\u0131r. \u00d6rne\u011fin, evsel ve k\u00fc\u00e7\u00fck ticari cihazlar genellikle kVA veya amper cinsinden \u00f6l\u00e7\u00fcl\u00fcr; end\u00fcstriyel ve kamu cihazlar\u0131 ise say\u0131lar kVA i\u00e7in pratik olmad\u0131\u011f\u0131ndan MVA cinsinden \u00f6l\u00e7\u00fcl\u00fcr. Birimin alt s\u0131n\u0131r\u0131 yoktur, 0,5 MVA orta b\u00fcy\u00fckl\u00fckte bir transformat\u00f6r i\u00e7in tipik bir boyuttur ve tamamen ge\u00e7erli bir de\u011ferdir. Ancak, geleneksel olarak MVA sadece b\u00fcy\u00fck ekipmanlar i\u00e7in kullan\u0131l\u0131r.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4292\" src=\"https:\/\/huyuglobal.com\/wp-content\/uploads\/2026\/09\/Why-Apparent-Power-Exists.webp\" alt=\"G\u00f6r\u00fcn\u00fcr G\u00fcc\u00fcn Var Olma Nedeni\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>G\u00f6r\u00fcn\u00fcr G\u00fcc\u00fcn Var Olma Nedeni<\/h2>\n<p>Elektrik m\u00fchendisli\u011finin watt d\u0131\u015f\u0131nda ba\u015fka bir \u00f6l\u00e7\u00fcme ihtiya\u00e7 duymas\u0131n\u0131n nedeni, cihazlar\u0131n \u00fcretken i\u015ften ba\u011f\u0131ms\u0131z s\u0131n\u0131rlamalara sahip olmas\u0131d\u0131r.<\/p>\n<p>Bir transformat\u00f6r\u00fcn kapasitesi iki fiziksel s\u0131n\u0131rlama ile belirlenir. Sar\u0131m izolasyonu, ar\u0131zalanmadan \u00f6nce belirli bir voltaja dayanabilir; b\u00f6ylece voltaj s\u0131n\u0131rlamas\u0131 belirlenir. Sar\u0131mlar\u0131 ve \u00e7ekirde\u011fi, izolasyon s\u0131cakl\u0131\u011f\u0131 malzeme s\u0131n\u0131r\u0131n\u0131 a\u015fmadan belirli bir miktarda \u0131s\u0131y\u0131 uzakla\u015ft\u0131rabilir; bu nedenle ak\u0131m s\u0131n\u0131rlamas\u0131 belirlenmi\u015ftir. Hi\u00e7bir s\u0131n\u0131rlama, ak\u0131m\u0131n voltaj ile fazda olup olmad\u0131\u011f\u0131n\u0131 dikkate almaz. 400 V'da 1000 A ta\u015f\u0131yan bir transformat\u00f6r, y\u00fck\u00fc g\u00fc\u00e7 fakt\u00f6r\u00fc 1 olan diren\u00e7li bir \u0131s\u0131t\u0131c\u0131 m\u0131 yoksa g\u00fc\u00e7 fakt\u00f6r\u00fc 0,3 olan y\u00fck\u00fc olmayan bir motor mu olursa olsun sar\u0131mlar\u0131nda ayn\u0131 \u0131s\u0131y\u0131 \u00fcretir.<\/p>\n<p>\u0130\u015fte bu y\u00fczden bu cihazlar\u0131n kapasitesi voltaj ve ak\u0131m\u0131n \u00e7arp\u0131m\u0131 olarak ifade edilir \u2014 g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 \u2014 ve ger\u00e7ek g\u00fc\u00e7 olarak de\u011fil. Transformat\u00f6rler MW cinsinden olsayd\u0131, cihaz her g\u00fc\u00e7 fakt\u00f6r\u00fc i\u00e7in farkl\u0131 de\u011ferler vermek zorunda kal\u0131rd\u0131; bu nedenle, y\u00fck bilinmeden isim plakas\u0131 i\u015fe yaramaz olurdu. Transformat\u00f6rlerin MVA veya kVA cinsinden \u00f6l\u00e7\u00fclmesi, de\u011ferin cihaz\u0131n m\u00fclk\u00fc olmas\u0131n\u0131 sa\u011flar.<\/p>\n<p>Bu mant\u0131k kablolar, \u015falt cihazlar\u0131, jenerat\u00f6rler ve UPS i\u00e7in de ge\u00e7erlidir. T\u00fcm bu cihazlar termal s\u0131n\u0131rlar ve izolasyon gerilimi ile s\u0131n\u0131rl\u0131d\u0131r; bu nedenle hepsi VA veya katlar\u0131 cinsinden ifade edilir. Bir al\u0131c\u0131 2 MVA kapasiteli bir transformat\u00f6r sipari\u015f etti\u011finde, bu cihaz\u0131n g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fcn\u00fcn, cihaz\u0131n nominal voltajda s\u0131cakl\u0131k s\u0131n\u0131rlar\u0131 i\u00e7inde s\u00fcrekli olarak sa\u011flayaca\u011f\u0131 g\u00fc\u00e7 oldu\u011fu anlam\u0131na gelir.<\/p>\n<p>Birim ayr\u0131ca voltaj seviyeleri aras\u0131nda ortak bir dil olarak hizmet eder, bu y\u00fczden ar\u0131za hesaplamalar\u0131nda ve koruma koordinasyonunda g\u00f6r\u00fcn\u00fcr. Voltaj s\u0131n\u0131flar\u0131n\u0131n pratikte nas\u0131l ayr\u0131ld\u0131\u011f\u0131 ve bir seviyede MVA olarak derecelendirilen ekipman\u0131n ba\u015fka bir seviyedeki e\u015fde\u011ferinden neden tamamen farkl\u0131 g\u00f6r\u00fcnd\u00fc\u011f\u00fc, <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/the-difference-between-high-voltage-and-low-voltage\/\">y\u00fcksek voltaj ve d\u00fc\u015f\u00fck voltaj tesisleri aras\u0131ndaki farkta ele al\u0131nmaktad\u0131r.<\/a>.<\/p>\n<h2>MVA, kVA, MW, kW ve MVAR Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h2>\n<p>Be\u015f farkl\u0131 birim elektrik g\u00fcc\u00fcn\u00fc temsil eder ve aralar\u0131ndaki \u201cfarklar\u201d burada bahsedilen g\u00fc\u00e7 \u00fc\u00e7geninin \u00fc\u00e7 bile\u015feni aras\u0131ndaki fark\u0131 yans\u0131t\u0131r.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Birim<\/th>\n<th>Adet<\/th>\n<th>Sembol<\/th>\n<th>Form\u00fcl<\/th>\n<th>Ne Anlat\u0131r<\/th>\n<\/tr>\n<tr>\n<td>MVA \/ kVA \/ VA<\/td>\n<td>G\u00f6r\u00fcn\u00fcr g\u00fc\u00e7<\/td>\n<td>S<\/td>\n<td>\u221a3 \u00d7 V<sub>L<\/sub> \u00d7 I<sub>L<\/sub> (\u00fc\u00e7 fazl\u0131)<\/td>\n<td>Toplam volt-amper y\u00fck\u00fc; ekipman derecesini belirler<\/td>\n<\/tr>\n<tr>\n<td>MW \/ kW \/ W<\/td>\n<td>Ger\u00e7ek g\u00fc\u00e7<\/td>\n<td>P<\/td>\n<td>S \u00d7 cos\u03c6<\/td>\n<td>Faydal\u0131 i\u015f yapan ve faturaland\u0131r\u0131lan g\u00fc\u00e7<\/td>\n<\/tr>\n<tr>\n<td>MVAR \/ kVAR \/ VAR<\/td>\n<td>Reaktif g\u00fc\u00e7<\/td>\n<td>Q<\/td>\n<td>S \u00d7 sin\u03c6<\/td>\n<td>Manyetik ve elektrik alanlarda dola\u015fan g\u00fc\u00e7<\/td>\n<\/tr>\n<tr>\n<td>G\u00fc\u00e7 fakt\u00f6r\u00fc<\/td>\n<td>Oran<\/td>\n<td>PF veya cos\u03c6<\/td>\n<td>P \/ S<\/td>\n<td>G\u00f6r\u00fcn\u00fcr g\u00fcc\u00fcn ne kadar\u0131n\u0131n faydal\u0131 oldu\u011fu; 0 ile 1 aras\u0131nda<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00dc\u00e7 fiziksel b\u00fcy\u00fckl\u00fck aras\u0131ndaki ili\u015fki, geometrik kar\u015f\u0131l\u0131kl\u0131 ili\u015fkileriyle belirlenir; b\u00f6ylece, g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fcn geometrik \u015feklin hipoten\u00fcs\u00fc olarak temsil edildi\u011fi dik \u00fc\u00e7gen olu\u015ftururlar, bu nedenle S2 = P2 + Q2 ili\u015fkisi kurulabilir. Bu form\u00fcl, bu birimlerin yorumlanmas\u0131yla ilgili \u00e7o\u011fu \u015f\u00fcpheyi giderir: MVA hipoten\u00fcst\u00fcr, MW ve MVAR ise \u00fc\u00e7genin kenarlar\u0131n\u0131 olu\u015fturur; aralar\u0131ndaki a\u00e7\u0131 g\u00fc\u00e7 fakt\u00f6r\u00fc olarak bilinir.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Y\u00fck tipi<\/th>\n<th>Tipik g\u00fc\u00e7 fakt\u00f6r\u00fc<\/th>\n<th>1 MVA sa\u011flar<\/th>\n<th>Notlar<\/th>\n<\/tr>\n<tr>\n<td>Diren\u00e7li \u0131s\u0131tma<\/td>\n<td>1.00<\/td>\n<td>00 MW<\/td>\n<td>Teorik maksimum; pratikte nadiren ula\u015f\u0131l\u0131r<\/td>\n<\/tr>\n<tr>\n<td>D\u00fczeltmeli modern motorlar<\/td>\n<td>0.90-0.95<\/td>\n<td>90-0.95 MW<\/td>\n<td>Tipik iyi end\u00fcstriyel uygulama<\/td>\n<\/tr>\n<tr>\n<td>D\u00fczeltmesiz end\u00fcksiyon motorlar\u0131<\/td>\n<td>0.75-0.85<\/td>\n<td>75-0.85 MW<\/td>\n<td>Reaktif g\u00fc\u00e7, operat\u00f6r a\u00e7\u0131s\u0131ndan bo\u015fa harcanan kapasitedir<\/td>\n<\/tr>\n<tr>\n<td>Hafif y\u00fckl\u00fc motorlar ve kaynak makineleri<\/td>\n<td>0.30-0.60<\/td>\n<td>30-0.60 MW<\/td>\n<td>Ekipman derecelendirmesinin k\u00f6t\u00fc kullan\u0131m\u0131<\/td>\n<\/tr>\n<tr>\n<td>Filtrelemesiz do\u011frultucular ve s\u00fcr\u00fcc\u00fcler<\/td>\n<td>0.60-0.80<\/td>\n<td>60-0.80 MW<\/td>\n<td>Harmonik distorsiyon da mevcut olabilir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bu birimler aras\u0131nda sabit bir ili\u015fki oldu\u011fu ger\u00e7e\u011finin sonucu olarak, g\u00fc\u00e7 fakt\u00f6r\u00fc faturaland\u0131rma meselesinden ziyade kapasite meselesini temsil eder. B\u00f6ylece, bir \u015feyin g\u00fc\u00e7 fakt\u00f6r\u00fc 0.75\u2019ten 0.95\u2019e y\u00fckselirse, ayn\u0131 MVA\u2019l\u0131k cihaz \u00fczerinden aktar\u0131lan ger\u00e7ek g\u00fc\u00e7 yakla\u015f\u0131k artar, bu da bazen ek ekipmana yat\u0131r\u0131m yapmaya gerek kalmayaca\u011f\u0131 anlam\u0131na gelir.<\/p>\n<p>\u00d6ncelikle daha k\u00fc\u00e7\u00fck tesisatlarla \u00e7al\u0131\u015fan okuyucular, MVA yerine watt ve amper cinsinden ifade edilen ayn\u0131 ili\u015fkilerle kar\u015f\u0131la\u015fma e\u011filimindedir ve aritmetik ayn\u0131d\u0131r \u2014 voltaj-ak\u0131m-g\u00fc\u00e7 ili\u015fkisi ayn\u0131 \u015fekilde k\u00fc\u00e7\u00fclt\u00fclm\u00fc\u015ft\u00fcr, \u00f6rne\u011fin <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/how-many-watts-on-a-15-amp-circuit\/\">15 amperlik bir devrede watt hesaplamas\u0131<\/a>.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4293\" src=\"https:\/\/huyuglobal.com\/wp-content\/uploads\/2026\/09\/MVA-kVA-MW-kW-and-MVAR-Compared.webp\" alt=\"MVA, kVA, MW, kW ve MVAR Kar\u015f\u0131la\u015ft\u0131rmas\u0131\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2>MVA Nas\u0131l Hesaplan\u0131r<\/h2>\n<p>\u00c7o\u011fu pratik durumu kapsayan d\u00f6rt hesaplama vard\u0131r.<\/p>\n<ul>\n<li>\u0130lk olarak, voltaj ve ak\u0131mdan (\u00fc\u00e7 fazl\u0131 devre). S = \u221a3 \u00d7 VL \u00d7 IL burada hem voltaj hem de ak\u0131m hat de\u011ferlerindedir. 400 V \u00fc\u00e7 fazl\u0131 devrede 500 A y\u00fck ak\u0131m\u0131 i\u00e7in, S = 1.732 \u00d7 400 \u00d7 500 = 346,410 VA veya yakla\u015f\u0131k 0.346 MVA.<\/li>\n<li>\u0130kinci olarak, voltaj ve ak\u0131mdan (tek fazl\u0131). S = V \u00d7 I. 230 V tek fazl\u0131 devrede 100 A y\u00fck ak\u0131m\u0131 i\u00e7in, S = 23,000 VA veya 0.023 MVA.<\/li>\n<li>\u00dc\u00e7\u00fcnc\u00fc olarak, ger\u00e7ek g\u00fc\u00e7 ve g\u00fc\u00e7 fakt\u00f6r\u00fcnden. S = P \u00f7 cos\u03c6. G\u00fc\u00e7 fakt\u00f6r\u00fc 0.8 olan 4 MW \u00e7\u0131k\u0131\u015fl\u0131 bir enerji santrali i\u00e7in, S = 4 \u00f7 0.8 = 5 MVA. Ancak, g\u00fc\u00e7 fakt\u00f6r\u00fc 0.95 olarak d\u00fczeltilirse, S sadece 4.21 MVA olur \u00e7\u00fcnk\u00fc bu k\u00fc\u00e7\u00fck fark genellikle bir trafonun yeni y\u00fck\u00fc kabul edip etmeyece\u011fine veya de\u011fi\u015ftirilmesi gerekip gerekmedi\u011fine karar verir.<\/li>\n<li>Son olarak, kVA\u2019dan. MVA = kVA \u00f7 1,000. Bu d\u00f6n\u00fc\u015f\u00fcm, 750 kVA dereceli bir trafonun 1.5 MVA olan daha b\u00fcy\u00fck muadili ile kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131 s\u0131ras\u0131nda s\u0131k\u00e7a yap\u0131l\u0131r.<\/li>\n<\/ul>\n<p>Ger\u00e7ek hesaplamalarda iki \u00f6nemli d\u00fczeltme vard\u0131r. \u00d6ncelikle, bir y\u00fck\u00fcn g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fc, motorlar\u0131n ba\u015flang\u0131\u00e7ta a\u011f\u0131r bir manyetize edici ak\u0131m \u00e7ekmesi ve ayr\u0131ca y\u00fcklerin \u00e7e\u015fitlilik fakt\u00f6rlerini tam olarak kar\u015f\u0131lamamas\u0131 nedeniyle g\u00fcnl\u00fck elemanlar\u0131n basit toplam\u0131ndan belirgin \u015fekilde daha b\u00fcy\u00fckt\u00fcr. \u0130kinci olarak, trafolar\u0131n derecelendirmelerinin belirli so\u011futma s\u0131n\u0131flar\u0131 ve ortam s\u0131cakl\u0131\u011f\u0131 i\u00e7in \u00fcretildi\u011fini unutmay\u0131n: bir so\u011futma sistemi olan 20 MVA trafonun zorlamal\u0131 so\u011futma ile 30 MVA derecesi olabilir.<\/p>\n<h2>Trafolar i\u00e7in MVA Aral\u0131klar\u0131<\/h2>\n<p>Trafo derecelendirmeleri belirgin kategorilere ayr\u0131labilir ve bir projenin hangi kategoriye ait oldu\u011funu bilmek, teklif tesliminden \u00f6nce teslim s\u00fcreleri, tedarik y\u00f6ntemi ve fiyatland\u0131rma hakk\u0131nda \u00f6nemli bilgiler sa\u011flar.<\/p>\n<table>\n<tbody>\n<tr>\n<th>S\u0131n\u0131f<\/th>\n<th>Tipik MVA aral\u0131\u011f\u0131<\/th>\n<th>Tipik Voltaj<\/th>\n<th>Uygulama<\/th>\n<\/tr>\n<tr>\n<td>K\u00fc\u00e7\u00fck da\u011f\u0131t\u0131m<\/td>\n<td>025-0.5 MVA<\/td>\n<td>11-33 kV \/ 400 V<\/td>\n<td>Birka\u00e7 binaya hizmet veren dire\u011fe monte ve tabanl\u0131 birimler<\/td>\n<\/tr>\n<tr>\n<td>Da\u011f\u0131t\u0131m<\/td>\n<td>5-5 MVA<\/td>\n<td>11-33 kV \/ 400-690 V<\/td>\n<td>Ticari ve hafif end\u00fcstriyel besleme, daha b\u00fcy\u00fck binalar<\/td>\n<\/tr>\n<tr>\n<td>Orta g\u00fc\u00e7<\/td>\n<td>5-30 MVA<\/td>\n<td>33-132 kV<\/td>\n<td>End\u00fcstriyel tesisler, trafo merkezleri, k\u00fc\u00e7\u00fck jenerat\u00f6rler<\/td>\n<\/tr>\n<tr>\n<td>Y\u00fcksek g\u00fc\u00e7<\/td>\n<td>30-100 MVA<\/td>\n<td>132-275 kV<\/td>\n<td>\u0130letim trafo merkezleri, b\u00fcy\u00fck \u00fcretim ba\u011flant\u0131lar\u0131<\/td>\n<\/tr>\n<tr>\n<td>\u015eebeke g\u00fcc\u00fc<\/td>\n<td>100-1.000+ MVA<\/td>\n<td>275-765 kV<\/td>\n<td>Toplu iletim, jenerat\u00f6r y\u00fckseltme birimleri<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>MVA g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fc \u00f6l\u00e7t\u00fc\u011f\u00fcnden, bir trafonun ger\u00e7ek \u00e7\u0131k\u0131\u015f g\u00fcc\u00fcn\u00fcn MVA derecesinden daha az oldu\u011fu anla\u015f\u0131l\u0131r. G\u00fc\u00e7 fakt\u00f6r\u00fc 0.85 olan 5 MVA dereceli bir trafonun \u00e7\u0131k\u0131\u015f\u0131 4.25 MW olurken, kalan 0.75 MVAR sadece dola\u015f\u0131r ve i\u015fe katk\u0131 sa\u011flamaz. Bu nedenle, ger\u00e7ek g\u00fc\u00e7 talebi i\u00e7in bir trafo boyutland\u0131r\u0131l\u0131rken, tasar\u0131mc\u0131lar bu de\u011feri varsay\u0131lan g\u00fc\u00e7 fakt\u00f6r\u00fcne b\u00f6ler ve gelecekteki y\u00fck art\u0131\u015f\u0131na izin vermek i\u00e7in bir g\u00fcvenlik pay\u0131 koyar; MVA say\u0131s\u0131 \u00e7\u0131k\u0131\u015f derecesi olarak de\u011ferlendirilmez.<\/p>\n<p>Boyutland\u0131rma fakt\u00f6r\u00fc, bir transformat\u00f6r sat\u0131n al\u0131rken \u00f6nemli olan parametreler d\u00fc\u015f\u00fcn\u00fcld\u00fc\u011f\u00fcnde empedans, gerilim oran\u0131, so\u011futma s\u0131n\u0131f\u0131 ve tap aral\u0131\u011f\u0131 ile e\u015fle\u015ftirilir, ancak bu parametrelerin \u00f6zellikle y\u00fczde empedans\u0131n kapasite ve gerilim reg\u00fclasyonunu nas\u0131l etkiledi\u011fi a\u00e7\u0131s\u0131ndan nas\u0131l etkile\u015fti\u011fi, isim plakas\u0131 \u00f6zelliklerinden ziyade spesifikasyon kategorisine girer. Kurumsal \u00f6l\u00e7ekli tesisler genellikle bireysel makineler seti olarak de\u011fil, tam bir da\u011f\u0131t\u0131m mimarisi olarak ele al\u0131nmal\u0131d\u0131r ve tasar\u0131m dikkate al\u0131nmas\u0131 gereken hususlar \u015funlarda belirtilmi\u015ftir <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/top-rated-electrical-distribution-systems-for-enterprise-scale-operations\/\">b\u00fcy\u00fck \u00f6l\u00e7ekli operasyonlar i\u00e7in da\u011f\u0131t\u0131m sistemlerinin nas\u0131l planland\u0131\u011f\u0131<\/a>.<\/p>\n<h2>MVA ve Ar\u0131za Seviyesi<\/h2>\n<p>Elektrikte MVA'n\u0131n bir di\u011fer \u00f6nemli uygulamas\u0131, ar\u0131za seviyesi veya bir sistemin k\u0131sa devreye sa\u011flayabilece\u011fi g\u00fc\u00e7 hesaplamas\u0131d\u0131r. Form\u00fcl a\u015fa\u011f\u0131daki gibidir.<\/p>\n<p>Ar\u0131za MVA = \u221a3 \u00d7 VL (kV cinsinden) \u00d7 Isc (kA cinsinden)<\/p>\n<p>\u00d6rne\u011fin, potansiyel k\u0131sa devre ak\u0131m\u0131 25 kA olan 400 Voltluk bir a\u011f\u0131n ar\u0131za seviyesi 1.732 \u00d7 0.4 \u00d7 25 = 17.3 MVA\u2019d\u0131r. Ayn\u0131 mant\u0131\u011f\u0131 11 kV ve 20 kA i\u00e7in uygularsak 381 MVA elde ederiz. Bu sadece teori de\u011fil, \u00e7\u00fcnk\u00fc kurulan her bir anahtarlama ve koruma ekipman\u0131n\u0131n, ba\u011flant\u0131 noktas\u0131ndaki ar\u0131za seviyesine e\u015fit veya daha y\u00fcksek bir kesme veya dayanma kapasitesine sahip olmas\u0131 gerekir. Aksi takdirde, ar\u0131za ak\u0131m\u0131n\u0131 kesemeyen bir cihaz d\u00fczg\u00fcn \u00e7al\u0131\u015fmak yerine yanabilir. Bu, her devre kesicinin isim plakas\u0131nda kesme kapasitesinin g\u00f6sterilmesinin nedenlerinden biridir.<\/p>\n<p>Ar\u0131za seviyesinin a\u011f geni\u015fledik\u00e7e artt\u0131\u011f\u0131n\u0131 belirtmek gerekir. Paralel olarak daha fazla transformat\u00f6r eklendik\u00e7e, daha fazla \u00fcretim kayna\u011f\u0131 ba\u011flan\u0131r ve besleme k\u0131sa devre kapasitesi y\u00fckselir. T\u00fcm bu fakt\u00f6rler, elektrik ekipmanlar\u0131 zamanla de\u011fi\u015fmese bile a\u011fda y\u00fcksek bir ar\u0131za ak\u0131m\u0131n\u0131n olu\u015fmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131lar.<\/p>\n<p>Bir cihaz\u0131n d\u00fc\u015f\u00fck voltajda \u00e7ok b\u00fcy\u00fck ar\u0131za ak\u0131mlar\u0131n\u0131 kesmesi gerekti\u011finde, cevap kal\u0131pl\u0131 cihaz\u0131n daha b\u00fcy\u00fck bir versiyonu de\u011fil, ama\u00e7 i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015f bir kesicidir ve yap\u0131sal farklar ekipmanda g\u00f6r\u00fcn\u00fcrd\u00fcr \u2014 <a href=\"https:\/\/huyuglobal.com\/tr\/product\/huw9-690v-6300a-air-circuit-breaker\/\">HUW9 690 V 6300 A hava devre kesici<\/a> g\u00f6rev, y\u00fcz binlerce amperlik potansiyel ar\u0131za ak\u0131m\u0131 cinsinden \u00f6l\u00e7\u00fcld\u00fc\u011f\u00fcnde \u00e7er\u00e7eve boyutu, ark kontrol\u00fc ve ak\u0131m ta\u015f\u0131ma kapasitesinin birlikte nas\u0131l \u00f6l\u00e7eklendi\u011fine bir \u00f6rnektir.<\/p>\n<h2>\u00dcretim ve \u0130letimde MVA<\/h2>\n<p>Jenerat\u00f6rler de ayn\u0131 nedenle MVA cinsinden derecelendirilir. Jenerat\u00f6r\u00fcn s\u0131n\u0131rlar\u0131 sarg\u0131 ak\u0131m\u0131 ve yal\u0131t\u0131m voltaj\u0131 nedeniyle belirlenir. Jenerat\u00f6r\u00fcn isim plakas\u0131 genellikle her iki de\u011feri de verir; \u00f6rne\u011fin, 0.8 g\u00fc\u00e7 fakt\u00f6r\u00fcnde 150 MVA ve 120 M \u00fcretebilir. MVA de\u011feri birimin ve ba\u011flant\u0131 ekipman\u0131n\u0131n boyutunu belirlerken, MW de\u011feri tesisin ger\u00e7ekte ne kadar enerji satabilece\u011fini g\u00f6sterir.<\/p>\n<p>Bu derecelendirme sistemi yayg\u0131n bir yanl\u0131\u015f anlamaya yol a\u00e7ar. \u201c100MW\u201d \u00fcretim kapasitesi, t\u00fcm birimler, jenerat\u00f6r\u00fcn kendisi, y\u00fckseltici transformat\u00f6r, jenerat\u00f6r devre kesicisi ve ba\u011flant\u0131 kablolar\u0131 g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 y\u00f6ntemleriyle hesapland\u0131\u011f\u0131 i\u00e7in 100 MVA\u2019dan \u00e7ok daha fazla transformat\u00f6r ve anahtarlama kapasitesi gerektirir. 320MW, 0.8 g\u00fc\u00e7 fakt\u00f6r\u00fcnde 125 MVA gerektirdi\u011finden MVA a\u00e7\u0131s\u0131ndan baz\u0131 k\u0131s\u0131tlamalara sahiptir; bu durum MW de\u011ferlerine g\u00f6re tasar\u0131m yaparken MVA rakamlar\u0131n\u0131n uygulanmas\u0131n\u0131n proje uygulamas\u0131nda \u00e7ok pahal\u0131 ve zaman al\u0131c\u0131 ayarlamalara yol a\u00e7mas\u0131na neden olur.<\/p>\n<p>\u0130letim sistemi, iletim sisteminin kapasitesini belirlemek i\u00e7in MVA kullan\u0131r; \u015febeke ba\u011flant\u0131 anla\u015fmalar\u0131 ise kapasiteyi hem MVA hem MW cinsinden ve \u00fcretim boyunca kurulmas\u0131 gereken g\u00fc\u00e7 fakt\u00f6r\u00fc ile belirtir. MVA s\u0131n\u0131rlar\u0131n\u0131n a\u015f\u0131lmas\u0131 ve kabul edilen g\u00fc\u00e7 fakt\u00f6r\u00fc aral\u0131\u011f\u0131 d\u0131\u015f\u0131nda \u00e7al\u0131\u015f\u0131lmas\u0131 ek cezalarla sonu\u00e7lanabilir, bu nedenle \u00fcreticiler ve b\u00fcy\u00fck t\u00fcketiciler her iki de\u011feri de izlemek zorundad\u0131r.<\/p>\n<h2>Sat\u0131n Almada MVA Kullan\u0131m\u0131<\/h2>\n<p>Tan\u0131m\u0131 uygulanabilir bir spesifikasyona d\u00f6n\u00fc\u015ft\u00fcren d\u00f6rt uygulanabilir ad\u0131m vard\u0131r.<\/p>\n<ul>\n<li>Ger\u00e7ek g\u00fc\u00e7 yerine g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fc kullan\u0131n. Transformat\u00f6r, y\u00fck taraf\u0131ndan gereken g\u00f6r\u00fcn\u00fcr g\u00fcce g\u00f6re derecelendirilmelidir; bu, beklenen ger\u00e7ek g\u00fcc\u00fcn beklenen g\u00fc\u00e7 fakt\u00f6r\u00fcne b\u00f6l\u00fcnmesi ve marj\u0131n eklenmesi anlam\u0131na gelir. Sadece kW baz\u0131nda hesaplama y\u00f6ntemi, ekipman\u0131n s\u00fcrekli olarak d\u00fc\u015f\u00fck derecelendirilmesine yol a\u00e7acakt\u0131r.<\/li>\n<li>Hesaplamada kullan\u0131lan g\u00fc\u00e7 fakt\u00f6r\u00fcn\u00fc tan\u0131mlay\u0131n. Ayn\u0131 \u201c5 MVA\u201d transformat\u00f6r i\u00e7in farkl\u0131 teklifler, farkl\u0131 y\u00fck g\u00fc\u00e7 fakt\u00f6rlerini i\u00e7erebilir ve bu da de\u011fi\u015fken ger\u00e7ek g\u00fc\u00e7lere yol a\u00e7ar. Bu varsay\u0131m spesifikasyonda belirtilmelidir.<\/li>\n<li>Etkin g\u00fc\u00e7 derecelendirme temelini belirtin. 20 MVA olarak derecelendirilen transformat\u00f6r, do\u011fal so\u011futma ile kullan\u0131ld\u0131\u011f\u0131nda, zorunlu so\u011futma uyguland\u0131\u011f\u0131nda farkl\u0131 derecelendirilmi\u015f olabilir. So\u011futma s\u0131n\u0131f\u0131n\u0131 ve ortam s\u0131cakl\u0131\u011f\u0131n\u0131 belirleyin.<\/li>\n<li>Ba\u011flant\u0131 noktas\u0131ndaki ar\u0131za seviyesini kontrol edin. Hizmette kullan\u0131lan t\u00fcm ekipman\u0131n kesme kapasitesi, i\u015fletmenin k\u0131sa devre sorumlulu\u011funa dayal\u0131 olarak ar\u0131za MVA\u2019s\u0131na e\u015fit veya daha y\u00fcksek olmal\u0131d\u0131r. Uygun derecelendirmeye sahip cihazlar, tan\u0131nm\u0131\u015f bir sertifikasyon program\u0131 kapsam\u0131nda bu derecelendirmeyi ta\u015f\u0131r ve bir kesicinin onayland\u0131\u011f\u0131 temel, <a href=\"https:\/\/huyuglobal.com\/tr\/blog\/what-is-ul-489-breakers\/\">UL 489 sertifikasyonunun gereksinimleri ile belirlenmi\u015ftir.<\/a>.<\/li>\n<\/ul>\n<h2>SSS<\/h2>\n<h3>MVA elektriksel olarak nedir?<\/h3>\n<p>MVA veya megavolt-amper, 1 milyon volt-amper veya 1000 kVA cinsinden tan\u0131mlanan g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 \u00f6l\u00e7\u00fcs\u00fcd\u00fcr. Bu de\u011ferin hesaplamas\u0131 voltaj ve ak\u0131ma dayan\u0131r; \u00fc\u00e7 fazl\u0131 devrelerde MVA i\u00e7in kullan\u0131lan form\u00fcl \u221a3 x hat voltaj\u0131 x hat ak\u0131m\u0131d\u0131r. MVA g\u00f6stergesi, transformat\u00f6rler, jenerat\u00f6rler, kablolar ve \u015falt cihazlar\u0131 i\u00e7in verilir \u00e7\u00fcnk\u00fc bu cihazlar\u0131n maksimum kapasitesi, ak\u0131m\u0131n faz\u0131 dikkate al\u0131nmadan izolasyon voltaj\u0131 ve sarg\u0131lar\u0131n \u0131s\u0131nmas\u0131na ba\u011fl\u0131d\u0131r. MVA ayr\u0131ca k\u0131sa devre ar\u0131za seviyesi i\u00e7in de kullan\u0131l\u0131r.<\/p>\n<h3>5 MVA transformat\u00f6r nedir?<\/h3>\n<p>G\u00f6r\u00fcn\u00fcr g\u00fcc\u00fc 2.5 megavolt-amper olan bir transformat\u00f6rd\u00fcr. Bu t\u00fcr ekipman genellikle end\u00fcstriyel ve ticari ama\u00e7lar i\u00e7in kullan\u0131l\u0131r, 11 kV veya 33 kV gibi y\u00fcksek bir voltaj\u0131 yakla\u015f\u0131k 400 V veya 690 V gibi d\u00fc\u015f\u00fck bir voltaja d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. Transformat\u00f6r\u00fcn ger\u00e7ek g\u00fc\u00e7 de\u011feri, MVA\u2019da verilen de\u011ferden daha d\u00fc\u015f\u00fckt\u00fcr \u2014 g\u00fc\u00e7 fakt\u00f6r\u00fc 0.85 oldu\u011funda, bu transformat\u00f6r 2.1 MW g\u00fc\u00e7 sa\u011flayabilir ve kalan g\u00fc\u00e7 reaktif g\u00fc\u00e7t\u00fcr. Boyutlar\u0131, k\u00fctlesi ve so\u011futma sistemi g\u00fcc\u00fcne ba\u011fl\u0131d\u0131r. B\u00f6ylece, 2.5 MVA transformat\u00f6r, teslim s\u00fcresi ve kurulum maliyeti y\u00fcksek olan \u00f6nemli bir cihazd\u0131r.<\/p>\n<h3>kVA ve MVA nedir?<\/h3>\n<p>Her ikisi de g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 birimleridir ve sadece binlik bir fakt\u00f6rle farkl\u0131l\u0131k g\u00f6sterir; yani 1 MVA = 1.000 kVA. Genel uygulamaya g\u00f6re, kVA daha k\u00fc\u00e7\u00fck cihazlar i\u00e7in kullan\u0131l\u0131r; \u00f6rne\u011fin da\u011f\u0131t\u0131m trafolar\u0131, bir megavat\u0131n alt\u0131ndaki jenerat\u00f6rler, kesintisiz g\u00fc\u00e7 kaynaklar\u0131 ve bireysel bir beslemenin belirli s\u00fcreli kapasitesi gibi durumlarda, MVA ise trafo merkezleri trafolar\u0131, jenerat\u00f6r y\u00fckseltme \u00fcniteleri ve ar\u0131za seviyeleri gibi miktar\u0131n b\u00fcy\u00fck oldu\u011fu durumlarda kullan\u0131l\u0131r. D\u00f6n\u00fc\u015f\u00fcm sadece ondal\u0131k noktas\u0131n\u0131n kayd\u0131r\u0131lmas\u0131 meselesidir, bu da \u00f6l\u00e7ek bilindi\u011finde do\u011frudan kar\u015f\u0131la\u015ft\u0131rmay\u0131 sa\u011flar.<\/p>\n<h3>MW ve MVA aras\u0131ndaki fark nedir?<\/h3>\n<p>MW, faydal\u0131 i\u015fe katk\u0131da bulunan ger\u00e7ek g\u00fcc\u00fc g\u00f6sterir ve bu hesaplanarak m\u00fc\u015fteriye faturaland\u0131r\u0131l\u0131r. MVA ise devrenin toplam volt-amper y\u00fck\u00fcn\u00fc veya g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fcn\u00fc belirler. \u0130kisi g\u00fc\u00e7 fakt\u00f6r\u00fc ile ba\u011flant\u0131l\u0131d\u0131r: MW = g\u00fc\u00e7 fakt\u00f6r\u00fc * MVA. \u00d6rne\u011fin, g\u00fc\u00e7 fakt\u00f6r\u00fc 0,9 olan 10 MVA g\u00fcc\u00fcnde bir trafo kullan\u0131l\u0131rsa, 9 MW sa\u011flar. Ancak ayn\u0131 senaryoda g\u00fc\u00e7 fakt\u00f6r\u00fc 0,7 ise trafo sadece 7 MW y\u00fck sa\u011flar. Bu, g\u00fc\u00e7 fakt\u00f6r\u00fcn\u00fcn art\u0131r\u0131lmas\u0131n\u0131n ayn\u0131 ekipmanla daha fazla ger\u00e7ek g\u00fc\u00e7 sa\u011flanmas\u0131na olanak tan\u0131d\u0131\u011f\u0131n\u0131 ve g\u00fc\u00e7 fakt\u00f6r\u00fc d\u00fczeltmesinin kapasite iyile\u015ftirmesi ve maliyet tasarrufu fakt\u00f6r\u00fc oldu\u011funu g\u00f6sterir.<\/p>\n<h2>Referanslar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">Uluslararas\u0131 Elektroteknik Komisyonu \u2014 IEC 60076 G\u00fc\u00e7 Transformat\u00f6rleri ve IEC 60027 Harf Sembolleri<\/a><\/li>\n<li><a href=\"https:\/\/www.ieee.org\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE \u2014 G\u00fc\u00e7 Sistemi B\u00fcy\u00fckl\u00fckleri ve G\u00fc\u00e7 Fakt\u00f6r\u00fc i\u00e7in Standart Tan\u0131mlar<\/a><\/li>\n<li><a href=\"https:\/\/www.nfpa.org\/\" rel=\"nofollow noopener\" target=\"_blank\">NFPA \u2014 Ulusal Elektrik Kodu, Madde 450 Transformat\u00f6rler ve Madde 110 K\u0131sa Devre Ak\u0131m\u0131 De\u011ferleri<\/a><\/li>\n<li><a href=\"https:\/\/www.ansi.org\/\" rel=\"nofollow noopener\" target=\"_blank\">ANSI \u2014 ANSI C57 Serisi Transformat\u00f6rler, Reg\u00fclat\u00f6rler ve Reakt\u00f6rler<\/a><\/li>\n<li><a href=\"https:\/\/www.energy.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">ABD Enerji Bakanl\u0131\u011f\u0131 \u2014 G\u00fc\u00e7 Fakt\u00f6r\u00fc ve Da\u011f\u0131t\u0131m Sistemi Verimlili\u011fi Rehberi<\/a><\/li>\n<\/ul>\n<h2>Sonu\u00e7<\/h2>\n<p>Megavolt-amper (k\u0131saca MVA), elektrik g\u00fc\u00e7 sistemlerinde g\u00fc\u00e7 \u00f6l\u00e7\u00fcm birimi olarak kullan\u0131l\u0131r. MVA, belirli bir elektrik teknolojisi veya ekipman i\u00e7in voltaj ve ak\u0131m\u0131n \u00e7arp\u0131m\u0131n\u0131 ifade eder. Bu birimin sekt\u00f6rde \u00f6zel bir konuma sahip olmas\u0131n\u0131n nedeni, de\u011ferinin elektrik cihazlar\u0131n\u0131n yal\u0131t\u0131m s\u0131cakl\u0131\u011f\u0131 ve yal\u0131t\u0131m voltaj\u0131na dayal\u0131 olmas\u0131d\u0131r; \u00e7\u00fcnk\u00fc ak\u0131m ile voltaj aras\u0131ndaki gecikme a\u00e7\u0131s\u0131ndan etkilenmez. Bu nedenle, bir g\u00fc\u00e7 sistemindeki t\u00fcm enerji ekipmanlar\u0131 genellikle MVA ve kVA cinsinden derecelendirilir ve sistemdeki enerji \u00e7\u0131k\u0131\u015f\u0131 MW veya kW cinsinden sunulur. MVA \u00fc\u00e7 ana \u015fekilde uygulan\u0131r: trafo boyutunun hesaplanmas\u0131 i\u00e7in (teslim trafolar\u0131 0,025 MVA'y\u0131 ge\u00e7mezken, \u015febeke trafolar\u0131 1.000 MVA'y\u0131 a\u015fabilir), sistemdeki ar\u0131zan\u0131n hesaplanmas\u0131 form\u00fcl\u00fcn\u00fcn bir par\u00e7as\u0131 olarak (belirli bir a\u011fdaki ar\u0131za hesaplamas\u0131, K\u00f6k 3 \u00e7arp\u0131 kV \u00e7arp\u0131 kA'd\u0131r), bu nedenle MVA'n\u0131n uygulanmas\u0131, a\u011f\u0131 etkileyen cihazlar\u0131n kapasitesini anlamak i\u00e7in \u00f6nemlidir.<\/p>","protected":false},"excerpt":{"rendered":"<p>Several electrical abbreviations exist and one such abbreviation is MVA. However, few people know the exact meaning of the abbreviation before reading the nameplate of the transformer; megavolt-ampere (MVA) which is &#8220;apparent power&#8221; relates to the total power or size of the electrical circuit or system regardless of its ability to perform any useful work [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4294,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts\/4291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/comments?post=4291"}],"version-history":[{"count":4,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts\/4291\/revisions"}],"predecessor-version":[{"id":4298,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/posts\/4291\/revisions\/4298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/media\/4294"}],"wp:attachment":[{"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/media?parent=4291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/categories?post=4291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/huyuglobal.com\/tr\/wp-json\/wp\/v2\/tags?post=4291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}