{"id":2557,"date":"2026-07-15T15:00:00","date_gmt":"2026-07-15T07:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2557"},"modified":"2026-08-24T18:10:16","modified_gmt":"2026-08-24T10:10:16","slug":"data-center-neutral-harmonics-apf-selection","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/tr\/blog\/data-center-neutral-harmonics-apf-selection\/","title":{"rendered":"Veri Merkezi N\u00f6tr Harmonikleri: 3P4W APF Se\u00e7im K\u0131lavuzu"},"content":{"rendered":"<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Veri merkezi n\u00f6tr harmonikler<\/strong> ayr\u0131 bir 3 fazl\u0131, 4 telli (3P4W) sorundur. Tek fazl\u0131 BT y\u00fckleri, PDU dallar\u0131 ve bir\u00e7ok UPS destekli besleme hatt\u0131, fazlar aras\u0131nda iptal edilmek yerine n\u00f6trde toplanan triplen harmonik ak\u0131m\u2014\u00f6zellikle 3., 9. ve 15. mertebe harmonikler\u2014yaratabilir. Faz ak\u0131mlar\u0131 kabul edilebilir g\u00f6r\u00fcnebilirken, n\u00f6tr iletken, bus ba\u011flant\u0131s\u0131 veya trafonun s\u0131n\u0131rlay\u0131c\u0131 unsur haline gelmesi m\u00fcmk\u00fcnd\u00fcr.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bu k\u0131lavuz n\u00f6tr ak\u0131m\u0131 incelemesine ve 3P4W APF se\u00e7imine odaklanmaktad\u0131r. Daha geni\u015f veri merkezi APF\/SVG stratejisi i\u00e7in, bak\u0131n\u0131z <a href=\"https:\/\/cnbygele.com\/tr\/blog\/svg-apf-data-center-power-quality-guide\/\">veri merkezi APF ve SVG k\u0131lavuzu<\/a>.<\/p>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 style=\"margin:42px 0 14px\">\u0130\u00e7indekiler<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#part-1-why-is-neutral-harmonic-current-a-separate-data-center-problem\">B\u00f6l\u00fcm 1. Neden n\u00f6tr harmonik ak\u0131m ayr\u0131 bir veri merkezi sorunudur?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-what-must-be-measured-before-selecting-a-3p4w-apf\">B\u00f6l\u00fcm 2. Bir 3P4W APF se\u00e7meden \u00f6nce ne \u00f6l\u00e7\u00fclmelidir?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-how-do-findings-become-a-selection-basis\">B\u00f6l\u00fcm 3. Bulgular nas\u0131l se\u00e7im temelini olu\u015fturur?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-what-makes-an-apf-suitable-for-3p4w-neutral-harmonics\">B\u00f6l\u00fcm 4. Bir APF'yi 3P4W n\u00f6tr harmonikleri i\u00e7in uygun yapan nedir?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-where-should-the-apf-be-installed-and-commissioned\">B\u00f6l\u00fcm 5. APF nerede kurulmal\u0131 ve devreye al\u0131nmal\u0131?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-is-svg-an-alternative-for-neutral-harmonics\">B\u00f6l\u00fcm 6. SVG, n\u00f6tr harmonikler i\u00e7in bir alternatif midir?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-7-what-belongs-in-an-rfq-and-what-is-outside-fit\">B\u00f6l\u00fcm 7. Bir RFQ'ya ne dahil edilmeli ve ne uygun de\u011fildir?<\/a><\/li>\n<\/ul>\n<\/nav>\n<figure style=\"margin:26px 0;text-align:center\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter.webp\" alt=\"Veri merkezi n\u00f6tr harmonik azalt\u0131m\u0131 i\u00e7in AHF kabini\" class=\"wp-image-1605\" srcset=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter.webp 800w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter-300x300.webp 300w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter-150x150.webp 150w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter-768x768.webp 768w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter-500x500.webp 500w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter-600x600.webp 600w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.1-AHF-Active-Harmonic-Filter-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption>Aktif kompanzasyon gerektiren n\u00f6tr harmonik ak\u0131m \u00f6l\u00e7\u00fcmleri yap\u0131ld\u0131\u011f\u0131nda AHF ekipman\u0131 d\u00fc\u015f\u00fcn\u00fclebilir.<\/figcaption><\/figure>\n<h2 style=\"margin:42px 0 14px\" id=\"part-1-why-is-neutral-harmonic-current-a-separate-data-center-problem\">B\u00f6l\u00fcm 1. Neden n\u00f6tr harmonik ak\u0131m ayr\u0131 bir veri merkezi sorunudur?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Dengeli 3P4W sistemde, temel ak\u0131mlar n\u00f6trde iptal olur. Triplen harmonikler s\u0131f\u0131r dizisi bile\u015fenlerdir. Dengeli do\u011frusal olmayan y\u00fck alt\u0131nda, t\u00fcm \u00fc\u00e7 fazda ayn\u0131 fazda kal\u0131rlar ve bu nedenle n\u00f6trde toplan\u0131rlar.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Belirti<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Operat\u00f6rlerin s\u0131k\u00e7a g\u00f6rd\u00fc\u011f\u00fc<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u00d6l\u00e7\u00fcm\u00fcn ortaya \u00e7\u0131karabilece\u011fi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr a\u015f\u0131r\u0131 \u0131s\u0131nmas\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Normal g\u00f6r\u00fcnen faz y\u00fcklemesi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Y\u00fckseltilmi\u015f n\u00f6tr RMS ak\u0131m\u0131<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u0131r\u0131c\u0131 rahats\u0131zl\u0131klar\u0131 devreleri<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bir fazda \u015f\u00fcpheli a\u015f\u0131r\u0131 y\u00fcklenme<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Orta d\u00fczeyde faz THDi ile y\u00fcksek triplen i\u00e7eri\u011fi<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Transformat\u00f6r s\u0131cak noktas\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0130T y\u00fck\u00fc isim plakas\u0131 i\u00e7inde<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Harmonik ak\u0131m ta\u015f\u0131yan n\u00f6tr yolu<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr izleme \u00fczerinde PDU alarm\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tepki veren IT y\u00fck\u00fc s\u0131ras\u0131nda aral\u0131kl\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Sunucu aktivitesi ile y\u00fckselen 3.\/9.\/15. s\u0131ralar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Schneider Electric teknik SSS'leri, y\u00fcksek \u00fc\u00e7\u00fcnc\u00fc harmonik ak\u0131m\u0131n, faz y\u00fcklemesi dengeli g\u00f6r\u00fcnse bile y\u00fcksek n\u00f6tral ak\u0131m olu\u015fturabilece\u011fini belirtir. Bu nedenle, n\u00f6tr odakl\u0131 k\u0131lavuzlar, genel bir \u201cveri merkezi harmonikleri\u201d makalesine dahil edilmemelidir.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tesis ba\u011flam\u0131 i\u00e7in, CNBYG'ye bak\u0131n <a href=\"https:\/\/cnbygele.com\/tr\/solutions\/data-center\/\">Veri Merkezi \u00e7\u00f6z\u00fcm\u00fc<\/a> sayfa.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-2-what-must-be-measured-before-selecting-a-3p4w-apf\">B\u00f6l\u00fcm 2. Bir 3P4W APF se\u00e7meden \u00f6nce ne \u00f6l\u00e7\u00fclmelidir?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Sadece genel hizmet noktas\u0131 (PCC) de\u011fil, etkilenen otob\u00fcs, PDU veya \u015falterde zaman hizal\u0131 \u00f6l\u00e7\u00fcmlerle ba\u015flay\u0131n.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u00d6l\u00e7\u00fcm<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Neden \u00f6nemli<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Faz RMS ak\u0131m\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Y\u00fck seviyesini ve \u00e7e\u015fitlili\u011fi belirler<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr RMS ak\u0131m\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr\u00fcn stresli yol olup olmad\u0131\u011f\u0131n\u0131 do\u011frular<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bireysel harmonik s\u0131ralar<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Triplen ile di\u011fer bozulmalardan ay\u0131r\u0131r<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tan\u0131ml\u0131 y\u00f6ntemle THDi ve TDD<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Planlama kar\u015f\u0131la\u015ft\u0131rmalar\u0131n\u0131 destekler<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">UPS \u00e7al\u0131\u015fma modu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u00c7evrimi\u00e7i, ekolojik veya karma modlar spektrumu de\u011fi\u015ftirebilir<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Y\u00fck ad\u0131m\u0131 olaylar\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Sunucu yenileme, toplu i\u015fler ve transfer testlerini yakalar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Fluke\u2019un veri merkezi izleme rehberi, faz ve n\u00f6tr iletkenleri kontrol etmeyi ve harmonik s\u0131ralamay\u0131 g\u00f6zden ge\u00e7irmeyi \u00f6nerir, tek ba\u015f\u0131na THD de\u011ferine g\u00fcvenmeyin. Normal IT y\u00fck\u00fc, bak\u0131m etkinli\u011fi ve herhangi bir UPS transferi veya yedekleme testini i\u00e7eren en az bir temsilci \u00e7al\u0131\u015fma penceresini kaydedin.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter.webp\" alt=\"Veri merkezi \u015falt cihaz\u0131 y\u00fckleri i\u00e7in aktif harmonik filtre\" class=\"wp-image-1312\" srcset=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter.webp 800w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter-300x300.webp 300w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter-150x150.webp 150w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter-768x768.webp 768w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter-500x500.webp 500w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter-600x600.webp 600w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/5.AHF-Active-Harmonic-Filter-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption>Aktif harmonik filtreler, \u00f6l\u00e7\u00fclen \u015falter panosu ve n\u00f6tr ak\u0131m verilerine kar\u015f\u0131 belirlenmelidir.<\/figcaption><\/figure>\n<h2 style=\"margin:42px 0 14px\" id=\"part-3-how-do-findings-become-a-selection-basis\">B\u00f6l\u00fcm 3. Bulgular nas\u0131l se\u00e7im temelini olu\u015fturur?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u00d6l\u00e7\u00fcm dosyas\u0131n\u0131, herhangi bir tedarik\u00e7i teklifinden \u00f6nce karar kayd\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcn.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Bulgu<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">M\u00fchendislik yorumu<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Sonraki ad\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0130letken planlama pay\u0131n\u0131n \u00fczerindeki N\u00f6tr RMS<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u00dc\u00e7l\u00fc katlar (triplen) ak\u0131m\u0131 \u00f6nemlidir<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0130letken ak\u0131m ta\u015f\u0131ma kapasitesini ve \u00fc\u015ft ak\u0131m korumas\u0131n\u0131 onaylay\u0131n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bask\u0131n 3.\/9.\/15. harmonik ak\u0131m<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Klasik tek fazl\u0131 elektronik y\u00fckleme<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">A\u00e7\u0131k n\u00f6tr kapasitesine sahip 3P4W APF'yi de\u011ferlendirin<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr gerilimi olmaks\u0131z\u0131n y\u00fcksek faz THDi de\u011feri<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Harmonik sorunu \u00fc\u00e7l\u00fc katlar (triplen) a\u011f\u0131rl\u0131kl\u0131 olmayabilir<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kablolamay\u0131, y\u00fck dengesini ve \u00f6l\u00e7\u00fcm noktas\u0131n\u0131 yeniden kontrol edin<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00fc\u015f\u00fck g\u00fc\u00e7 fakt\u00f6r\u00fc (PF) ve m\u00fctevaz\u0131 harmonikler<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Reaktif g\u00fc\u00e7 sorunu ayr\u0131 olabilir<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr harmonik ihtiyac\u0131 elendikten sonra SVG'yi d\u00fc\u015f\u00fcn\u00fcn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>\u00d6nemli:<\/strong> Y\u00fcksek bir n\u00f6tr THDi y\u00fczdesi, y\u00fcksek bir n\u00f6tr ak\u0131m ta\u015f\u0131ma kapasitesi sorunu ile ayn\u0131 \u015fey de\u011fildir (Kaynak: Eaton n\u00f6tr iletken SSS). Eaton'\u0131n n\u00f6tr iletken SSS'si, bozulma y\u00fczdesini ger\u00e7ek RMS \u0131s\u0131nma riskinden ay\u0131r\u0131r. \u0130letkenleri tek bir korkutucu THD rakam\u0131na g\u00f6re de\u011fil, \u00f6l\u00e7\u00fclen RMS ak\u0131m\u0131na ve projenin \u00e7al\u0131\u015fma y\u00f6ntemine g\u00f6re boyutland\u0131r\u0131n ve koruyun.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-4-what-makes-an-apf-suitable-for-3p4w-neutral-harmonics\">B\u00f6l\u00fcm 4. Bir APF'yi 3P4W n\u00f6tr harmonikleri i\u00e7in uygun yapan nedir?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Genel bir harmonik filtre etiketi yeterli de\u011fildir. 3P4W veri merkezi APF tart\u0131\u015fmas\u0131 \u015funlar\u0131 onaylamal\u0131d\u0131r:<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">APF gereksinimi<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Al\u0131c\u0131lar neden bunu do\u011frulamal\u0131d\u0131r<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f6rt telli \/ n\u00f6tr telafi kapasitesi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u00dc\u00e7l\u00fc katlar (triplen) ak\u0131m\u0131 n\u00f6tr hatt\u0131nda ele al\u0131nmal\u0131d\u0131r<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nominal n\u00f6tr ak\u0131m\u0131 telafisi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tedarik\u00e7i dok\u00fcmantasyonu \u00f6l\u00e7\u00fclen ihtiyaca uygun olmal\u0131d\u0131r<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Faz ve n\u00f6tr iletkenlerde CT \u015femas\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yanl\u0131\u015f CT yerle\u015ftirmesi telafiyi bozar<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Topoloji UPS besleyici konumuyla uyumlu olmal\u0131d\u0131r<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yukar\u0131 ak\u0131\u015f ve a\u015fa\u011f\u0131 ak\u0131\u015f yerle\u015ftirme performans\u0131 de\u011fi\u015ftirir<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Yedeklilik, bypass ve koruma koordinasyonu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Veri merkezi kullan\u0131labilirlik kurallar\u0131 h\u00e2l\u00e2 ge\u00e7erlidir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Akran incelemesi yap\u0131lm\u0131\u015f 3P4W \u00e7al\u0131\u015fmalar\u0131 ve Schneider AccuSine SSS, n\u00f6tr-ak\u0131m telafisini faz-only filtrelemenin otomatik bir yan \u00fcr\u00fcn\u00fc olarak de\u011fil, ayr\u0131 bir se\u00e7im g\u00f6revi olarak ele al\u0131r. CNBYG, APF'yi <a href=\"https:\/\/cnbygele.com\/tr\/product\/ahf-active-harmonic-filter-harmonic-control\/\">Aktif Harmonik Filtre<\/a> sayfas\u0131nda tart\u0131\u015f\u0131r, ancak herhangi bir \u00fcr\u00fcn \u00f6nerisi \u00f6l\u00e7\u00fclen n\u00f6tr ak\u0131m\u0131, kablolama incelemesi ve m\u00fchendislik onay\u0131n\u0131 gerektirir.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Genel APF se\u00e7im i\u015f ak\u0131\u015f\u0131 i\u00e7in, bak\u0131n\u0131z <a href=\"https:\/\/cnbygele.com\/tr\/blog\/active-harmonic-filter-ahf-selection-guide\/\">aktif harmonik filtre se\u00e7imi k\u0131lavuzu<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-5-where-should-the-apf-be-installed-and-commissioned\">B\u00f6l\u00fcm 5. APF nerede kurulmal\u0131 ve devreye al\u0131nmal\u0131?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Konum \u00f6nemlidir \u00e7\u00fcnk\u00fc veri merkezi besleyicileri genellikle UPS, statik transfer anahtarlar\u0131, PDU trafolar\u0131 ve yedek yollar i\u00e7erir.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tipik kurulum inceleme noktalar\u0131:<\/p>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Do\u011frusal olmayan y\u00fck\u00fcn tek bir PDU otob\u00fcs\u00fc \u00fczerinde yo\u011funla\u015f\u0131p yo\u011funla\u015fmad\u0131\u011f\u0131n\u0131 veya yukar\u0131 ak\u0131\u015fa da\u011f\u0131l\u0131p da\u011f\u0131lmad\u0131\u011f\u0131n\u0131 belirleyin<\/li>\n<li style=\"margin:0 0 8px\">D\u00fczenleyicinin, UPS \u00e7\u0131k\u0131\u015f\u0131nda veya \u00f6zel harmonik otob\u00fcs\u00fcnde d\u00fczeltme gerekip gerekmedi\u011fine karar verin<\/li>\n<li style=\"margin:0 0 8px\">N\u00f6tr otob\u00fcs derecesini, ba\u011flant\u0131 vidas\u0131 eri\u015fimini ve ar\u0131za y\u00fck\u00fc uyumlulu\u011funu do\u011frulay\u0131n<\/li>\n<li style=\"margin:0 0 8px\">Enerjilendirmeden \u00f6nce fazlar ve n\u00f6tr \u00fczerindeki CT polaritesini onaylay\u0131n<\/li>\n<li style=\"margin:0 0 8px\">Normal y\u00fck, zirve y\u00fck ve bak\u0131m transfer dizileri alt\u0131nda test edin<\/li>\n<\/ol>\n<p style=\"margin:0 0 16px;line-height:1.7\">Hubbell ve Eaton veri merkezi teknik makaleleri, hafifletme se\u00e7imlerinin kaynak konumu ve UPS \u00e7al\u0131\u015fma ko\u015fullar\u0131na ba\u011fl\u0131 oldu\u011funu vurgular. Devreye alma s\u0131ras\u0131nda, ayn\u0131 IT y\u00fck profili alt\u0131nda n\u00f6tr RMS ak\u0131m\u0131 ve harmonik spektrumunu kar\u015f\u0131la\u015ft\u0131rmak gerekir.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-6-is-svg-an-alternative-for-neutral-harmonics\">B\u00f6l\u00fcm 6. SVG, n\u00f6tr harmonikler i\u00e7in bir alternatif midir?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Genellikle do\u011frulanm\u0131\u015f n\u00f6tr-harmonik hafifletmenin yerine ge\u00e7mek i\u00e7in de\u011fil.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ekipman<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Birincil fonksiyon<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">N\u00f6tr-harmonik uygunluk<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">APF \/ AHF<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Harmonik ak\u0131m telafisi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Topoloji 3P4W n\u00f6tr telafisini destekliyorsa ilgili<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SVG<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Dinamik reaktif g\u00fc\u00e7 telafisi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u00d6l\u00e7\u00fclen n\u00f6tr-harmonik azalt\u0131m\u0131n\u0131 yerine ge\u00e7mez<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kondansat\u00f6r grubu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Reaktif destek<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Triplen n\u00f6tr ak\u0131m\u0131 i\u00e7in ba\u011f\u0131ms\u0131z bir tedavi de\u011fildir<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Sadece a\u015f\u0131r\u0131 b\u00fcy\u00fck n\u00f6tr<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0130letken ak\u0131m\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gerekli olabilir, ancak harmonik ak\u0131m\u0131 ortadan kald\u0131rmaz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">SVG, ayn\u0131 otob\u00fcs\u00fcn h\u0131zl\u0131 reaktif g\u00fc\u00e7 dalgalanmalar\u0131 veya d\u00fc\u015f\u00fck g\u00fc\u00e7 fakt\u00f6r\u00fc de ya\u015famas\u0131 durumunda bile de\u011ferlendirilmi\u015f olabilir, ancak bu n\u00f6tr-harmonik kontrol\u00fcnden ayr\u0131 bir karard\u0131r.<\/p>\n<h2 style=\"margin:42px 0 14px\" id=\"part-7-what-belongs-in-an-rfq-and-what-is-outside-fit\">B\u00f6l\u00fcm 7. Bir RFQ'ya ne dahil edilmeli ve ne uygun de\u011fildir?<\/h2>\n<h3 style=\"margin:28px 0 12px\">Al\u0131c\u0131 sa\u011flamal\u0131d\u0131r<\/h3>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">RFQ giri\u015fi<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Neden \u00f6nemli<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Tipik hata<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Topraklama ile tek hat diyagram\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">3P4W yollar\u0131n\u0131 ve n\u00f6tr y\u00f6nlendirmesini tan\u0131mlar<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Sadece PDU programlar\u0131n\u0131 g\u00f6nderiyor<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Faz ve n\u00f6tr RMS g\u00fcnl\u00fckleri<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ak\u0131m kapasitesi ve filtre derecesini destekler<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bir THD ekran g\u00f6r\u00fcnt\u00fcs\u00fcnden al\u0131nt\u0131 yapma<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Harmonik spektrum s\u0131ras\u0131na g\u00f6re<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Triplen hakimiyetini g\u00f6sterir<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Sadece toplam THDi kullan\u0131m\u0131<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">UPS marka, mod ve yedekleme \u015femas\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kaynak empedans\u0131n\u0131 ve spektrumunu de\u011fi\u015ftirir<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ekonomik mod i\u015fletimini atlar<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Mevcut filtreler, kapasit\u00f6rler, trafolar<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Alternatif harmonik yollar\u0131n\u0131 ortaya \u00e7\u0131kar\u0131r<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K-s\u0131n\u0131f\u0131 veya zigzag trafolar\u0131n\u0131 dikkate almaz<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">CT konumlar\u0131 ve kabin k\u0131s\u0131tlamalar\u0131<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u00fcr\u00fcc\u00fc kurulumunu kolayla\u015ft\u0131r\u0131r<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f6tr CT yerle\u015ftirmesi tan\u0131mlanmam\u0131\u015f b\u0131rak\u0131ld\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Paketi \u015fu yoluyla payla\u015f\u0131n <a href=\"https:\/\/cnbygele.com\/tr\/contact-us\/\">CNBYG ileti\u015fim sayfas\u0131<\/a> m\u00fchendislik incelemesi i\u00e7in.<\/p>\n<h3 style=\"margin:28px 0 12px\">Uygunluk S\u0131n\u0131r\u0131<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bu makale, 3P4W veri merkezi \u015falter panolar\u0131nda \u00f6l\u00e7\u00fclen n\u00f6tr harmonik ak\u0131m\u0131n\u0131 ara\u015ft\u0131ran m\u00fchendisler i\u00e7indir. THD azaltma, \u00e7al\u0131\u015fma s\u00fcresi art\u0131\u015f\u0131, fayda uyumu veya enerji tasarrufu garantisi de\u011fildir. SVG, kapasit\u00f6r d\u00fczeltmesi veya iletken b\u00fcy\u00fctmeyi yaln\u0131zca n\u00f6tr triplen ak\u0131m\u0131 do\u011frulanm\u0131\u015fsa, 3P4W APF'nin yerine ge\u00e7ecek \u015fekilde de\u011ferlendirmeyin.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194.webp\" alt=\"APF boyutland\u0131rmadan \u00f6nce 3P4W n\u00f6tr harmonik \u00f6l\u00e7\u00fcm\u00fc i\u00e7in g\u00fc\u00e7 kalitesi \u00f6l\u00e7er\" class=\"wp-image-1358\" srcset=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194.webp 800w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194-300x300.webp 300w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194-150x150.webp 150w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194-768x768.webp 768w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194-500x500.webp 500w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194-600x600.webp 600w, https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/1.BY194-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption>G\u00fc\u00e7 kalitesi \u00f6l\u00e7\u00fcm cihazlar\u0131, APF boyutland\u0131rmadan \u00f6nce faz ve n\u00f6tr harmonik verilerini yakalamaya yard\u0131mc\u0131 olur.<\/figcaption><\/figure>\n<h2 style=\"margin:42px 0 14px\">SSS<\/h2>\n<h3 style=\"margin:28px 0 12px\">Veri merkezi n\u00f6tr harmonikleri nedir?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Genellikle triplen dereceli harmonik ak\u0131mlar olan, 3P4W sisteminin n\u00f6tr iletkeninde toplanan harmonik ak\u0131mlard\u0131r.<\/p>\n<h3 style=\"margin:28px 0 12px\">Neden triplen harmonikler n\u00f6trde toplan\u0131r?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bunlar s\u0131f\u0131r dizisi bile\u015fenleridir ve dengeli do\u011frusal olmayan y\u00fck alt\u0131nda \u00fc\u00e7 fazda da ayn\u0131 fazda kal\u0131rlar.<\/p>\n<h3 style=\"margin:28px 0 12px\">N\u00f6tr ak\u0131m faz ak\u0131m\u0131n\u0131 a\u015fabilir mi?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Evet. A\u011f\u0131r triplen i\u00e7eri\u011fi, faz ak\u0131mlar\u0131 makul g\u00f6r\u00fcnsede n\u00f6tr\u00fc s\u0131n\u0131rlay\u0131c\u0131 iletken yapabilir.<\/p>\n<h3 style=\"margin:28px 0 12px\">\u0130lk \u00f6l\u00e7\u00fcm ad\u0131m\u0131 nedir?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Etkilenen bus'ta faz ve n\u00f6tr RMS ak\u0131m\u0131n\u0131, harmonik spektrumu ve UPS \u00e7al\u0131\u015fma modunu kaydedin.<\/p>\n<h3 style=\"margin:28px 0 12px\">SVG, n\u00f6tr harmonikleri i\u00e7in bir APF yerine ge\u00e7ebilir mi?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Hay\u0131r. SVG, reaktif g\u00fc\u00e7le ilgilidir. N\u00f6tr harmonik azalt\u0131m\u0131, do\u011frulanm\u0131\u015f n\u00f6tr yetene\u011fine sahip bir APF topolojisi gerektirir.<\/p>\n<h3 style=\"margin:28px 0 12px\">3P4W sistemlerde en \u00f6nemli APF \u00f6zelli\u011fi nedir?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">A\u00e7\u0131k n\u00f6tr-ak\u0131m telafi, do\u011fru CT yerle\u015ftirmesi ve \u00f6l\u00e7\u00fclen n\u00f6tr harmoniklere uygun bir g\u00fc\u00e7 de\u011feri.<\/p>\n<h3 style=\"margin:28px 0 12px\">APF nerede ba\u011flanmal\u0131?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u00d6l\u00e7\u00fcmle belirlenen do\u011frusal olmayan IT ve UPS y\u00fcklerini hizmet veren \u015falt cihaz\u0131 veya besleme hatt\u0131nda.<\/p>\n<h3 style=\"margin:28px 0 12px\">Y\u00fcksek n\u00f6tr THDi otomatik olarak acil durum mu olur?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Hay\u0131r. Distorsiyon y\u00fczdesini RMS ak\u0131m ta\u015f\u0131ma kapasitesi ve koruma riski ile ay\u0131rt edin, tam bir \u00e7al\u0131\u015fma kullanarak.<\/p>\n<h2 style=\"margin:42px 0 14px\">Kaynak\u00e7a<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.se.com\/us\/en\/faqs\/FA212226\/\" rel=\"nofollow noopener\" target=\"_blank\">Schneider Electric \u2014 \u00fc\u00e7\u00fcnc\u00fc harmonik ve n\u00f6tr ak\u0131m<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.fluke.com\/en-sg\/learn\/blog\/power-quality\/how-to-monitor-harmonics-in-data-centers\" rel=\"nofollow noopener\" target=\"_blank\">Fluke \u2014 veri merkezlerinde harmoniklerin izlenmesi<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.eaton.com\/content\/dam\/eaton\/markets\/data-center\/Mitigating-DC-harmonics.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Eaton \u2014 veri merkezi harmoniklerini hafifletme<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/dergipark.org.tr\/en\/pub\/gujs\/article\/296768\" rel=\"nofollow noopener\" target=\"_blank\">Gazi \u00dcniversitesi Dergisi \u2014 3P4W n\u00f6tr telafi \u00e7al\u0131\u015fmas\u0131<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>3P4W sistemlerde veri merkezi n\u00f6tr harmoniklerinin neden olu\u015ftu\u011funu, neyin \u00f6l\u00e7\u00fclmesi gerekti\u011fini ve APF n\u00f6tr mitigasyonunun pano projelerine ve UPS y\u00fcklerine ne zaman uydu\u011funu \u00f6\u011frenin.<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2557","post","type-post","status-publish","format-standard","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/posts\/2557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/comments?post=2557"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/posts\/2557\/revisions"}],"predecessor-version":[{"id":2614,"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/posts\/2557\/revisions\/2614"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/media?parent=2557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/categories?post=2557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/tr\/wp-json\/wp\/v2\/tags?post=2557"}],"curies":[{"name":"Naber","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}