{"id":2344,"date":"2026-08-07T09:00:00","date_gmt":"2026-08-07T01:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2344"},"modified":"2026-08-24T17:24:29","modified_gmt":"2026-08-24T09:24:29","slug":"cold-storage-compressor-vfd-harmonics","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/tr\/blog\/cold-storage-compressor-vfd-harmonics\/","title":{"rendered":"So\u011fuk Hava Deposunda VFD Harmoniklerinin \u0130ncelenmesi"},"content":{"rendered":"
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So\u011fuk hava depolar\u0131nda kompres\u00f6rler, evaporat\u00f6r fanlar\u0131 ve pompalar genellikle farkl\u0131 h\u0131zlarda \u00e7al\u0131\u015f\u0131r. Bu esneklik y\u00fck profilini de\u011fi\u015ftirir, ancak tek ba\u015f\u0131na \u015febeke taraf\u0131ndaki sorunun harmonik ak\u0131mdan m\u0131, gerilim bozulmas\u0131ndan m\u0131, bir kontrol olay\u0131ndan m\u0131 yoksa motor taraf\u0131ndaki PWM probleminden mi kaynakland\u0131\u011f\u0131n\u0131 g\u00f6stermez. Sorulmas\u0131 gereken as\u0131l soru \u201cBir VFD harmonik olu\u015fturur mu?\u201d de\u011fil, \u201cHangi besleme hatt\u0131 ve PCC kayd\u0131, hangi so\u011futma durumuyla birlikte de\u011fi\u015fiyor?\u201d olmal\u0131d\u0131r.\u201d<\/p>\n

\"So\u011fuk<\/figure>\n

So\u011futma Sisteminin \u00c7al\u0131\u015fma Durumlar\u0131yla Ba\u015flay\u0131n<\/h2>\n

So\u011futma kontrol cihaz\u0131n\u0131n, enerji sayac\u0131n\u0131n ve operat\u00f6r\u00fcn ortak kullanabilece\u011fi basit bir olay terminolojisi olu\u015fturun. \u0130lk a\u015famada so\u011futma odas\u0131n\u0131n ilk so\u011futulmas\u0131, kararl\u0131 s\u0131cakl\u0131\u011f\u0131n korunmas\u0131, buz \u00e7\u00f6zme ge\u00e7i\u015fi, kompres\u00f6r\u00fcn yeniden ba\u015flat\u0131lmas\u0131 ve d\u00fc\u015f\u00fck y\u00fckte \u00e7al\u0131\u015fma durumlar\u0131 kullan\u0131labilir. Kesin adland\u0131rmalar tesisin kontrol sistemine g\u00f6re belirlenebilir; \u00f6nemli olan, elektriksel zaman damgas\u0131n\u0131n yan\u0131nda \u00e7al\u0131\u015fma durumunun da kaydedilmesidir.<\/p>\n

Danfoss, kompres\u00f6rleri sabit torklu y\u00fckler, fanlar\u0131 ise de\u011fi\u015fken torklu y\u00fckler olarak tan\u0131mlar. Bu ayr\u0131m, fan besleme hatt\u0131ndaki ak\u0131m\u0131n h\u0131z de\u011fi\u015fimleriyle neden h\u0131zl\u0131 de\u011fi\u015febildi\u011fini, kompres\u00f6r besleme hatt\u0131n\u0131n ise bas\u0131n\u00e7 ve kapasite kontrol davran\u0131\u015f\u0131n\u0131 neden takip etti\u011fini a\u00e7\u0131klamaya yard\u0131mc\u0131 olur. Ancak bu durum, harmonik seviyesini kan\u0131tlamaz.<\/p>\n

Elektriksel \u00d6l\u00e7\u00fcm S\u0131n\u0131rlar\u0131n\u0131 Birbirinden Ayr\u0131 Tutun<\/h2>\n

\u015e\u00fcpheli kompres\u00f6r, fan veya pompa grubunu besleyen s\u00fcr\u00fcc\u00fc hatt\u0131n\u0131 \u00f6l\u00e7\u00fcn, ard\u0131ndan ayn\u0131 zaman aral\u0131\u011f\u0131nda \u00fcst \u015febeke baras\u0131n\u0131 veya PCC'yi \u00f6l\u00e7\u00fcn. Faz ak\u0131m\u0131n\u0131, gerilim dalga bi\u00e7imini, harmonik spektrumunu, talep ak\u0131m\u0131n\u0131, g\u00fc\u00e7 fakt\u00f6r\u00fcn\u00fc ve aktif so\u011futma sisteminin \u00e7al\u0131\u015fma durumunu kaydedin. Motor taraf\u0131ndaki PWM belirtisi, hat taraf\u0131ndaki ak\u0131m bozulmas\u0131ndan ayr\u0131 bir kay\u0131tta de\u011ferlendirilmelidir.<\/p>\n\n\n\n\n\n\n\n\n
S\u0131n\u0131r<\/th>\nNeleri Yan\u0131tlayabilir?<\/th>\nTek Ba\u015f\u0131na Neleri Yan\u0131tlayamaz?<\/th>\n<\/tr>\n<\/thead>\n
S\u00fcr\u00fc\u015f besleyicisi<\/td>\nHangi y\u00fck grubunun ak\u0131m spektrumunu de\u011fi\u015ftirdi\u011fini<\/td>\n\u015eebekeye ba\u011flant\u0131 noktas\u0131ndaki PCC'nin planlama hedefleri dahilinde olup olmad\u0131\u011f\u0131n\u0131<\/td>\n<\/tr>\n
Ana da\u011f\u0131t\u0131m baras\u0131n\u0131<\/td>\nBirden fazla besleme hatt\u0131n\u0131n etkilerinin birle\u015fip birle\u015fmedi\u011fini veya birbirini s\u00f6n\u00fcmleyip s\u00f6n\u00fcmlemedi\u011fini<\/td>\nHangi kompres\u00f6r\u00fcn veya fan\u0131n tek ba\u015f\u0131na sorumlu oldu\u011funu<\/td>\n<\/tr>\n
PCC<\/td>\n\u00dcst \u015febekenin neyle kar\u015f\u0131la\u015ft\u0131\u011f\u0131n\u0131<\/td>\nBir motor kablosu veya mil ak\u0131m\u0131 sorununun bulunup bulunmad\u0131\u011f\u0131n\u0131<\/td>\n<\/tr>\n
Motor terminalleri<\/td>\nPWM, kablo, rulman veya yal\u0131t\u0131m sorunlar\u0131na ili\u015fkin belirtileri<\/td>\nBesleme hatt\u0131n\u0131n \u015febeke taraf\u0131ndaki harmonik ak\u0131m\u0131n\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Bir \u00d6l\u00e7\u00fcm\u00fc Tek Bir Ortalama De\u011fere G\u00f6re De\u011fil, \u00c7al\u0131\u015fma Durumuna G\u00f6re De\u011ferlendirin<\/h2>\n

Her eyalet i\u00e7in ayn\u0131 saya\u00e7 kurulumunu ve CT y\u00f6nelimini koruyun. Hangi kompres\u00f6rlerin etkinle\u015ftirildi\u011fini, fan h\u0131zlar\u0131n\u0131 veya a\u015famal\u0131 \u00e7al\u0131\u015fmay\u0131, defrost \u0131s\u0131t\u0131c\u0131lar\u0131n\u0131 ve herhangi bir yeniden ba\u015flatma veya bypass komutunu not edin. PCC spektrumu yaln\u0131zca belirli bir dizilim s\u0131ras\u0131nda de\u011fi\u015fiyorsa, o dizilimi ve besleyicisini ara\u015ft\u0131r\u0131n ve tesis genelinde bir filtre se\u00e7meden \u00f6nce inceleyin.<\/p>\n

\"So\u011fuk<\/figure>\n

Hangi kan\u0131tlar\u0131n h\u00e2l\u00e2 eksik oldu\u011funu belirleyin<\/h2>\n

Savunulabilir bir inceleme \u015funlara sahip olmal\u0131d\u0131r:<\/p>\n

    \n
  1. Transformat\u00f6r ve besleyici empedanslar\u0131n\u0131n belirtildi\u011fi bir tek sat\u0131rl\u0131k diyagram.<\/li>\n
  2. S\u00fcr\u00fcc\u00fc giri\u015f topolojisi ve herhangi bir hat reakt\u00f6r\u00fc, DC bo\u011fucu, pasif filtre veya AFE bilgisi.<\/li>\n
  3. \u00c7eki\u015f, tutma, defrost ve yeniden ba\u015flatma i\u00e7in state-etiketli kay\u0131tlar.<\/li>\n
  4. Hat taraf\u0131 ve motor taraf\u0131 g\u00f6zlemlerini ay\u0131r\u0131n.<\/li>\n
  5. Bir hafifletici deneme \u00f6neriliyorsa, \u00f6n\/son s\u0131n\u0131r\u0131n\u0131 belirleyin.<\/li>\n<\/ol>\n

    E\u011fer \u015fikayet \u201cso\u011fuk oda toparland\u0131\u011f\u0131nda kompres\u00f6r trip yap\u0131yor\u201d ise, zamanlamadan nedenselli\u011fe ge\u00e7meyin. Ayn\u0131 zaman diliminde voltaj olaylar\u0131n\u0131, ak\u0131m spektrumunu, koruma g\u00fcnl\u00fcklerini ve kontrolc\u00fc durumunu kontrol edin.<\/p>\n

    \"CNBYG<\/figure>\n

    State-etiketli \u00f6l\u00e7\u00fcmler sonras\u0131 so\u011fuk depolama AHF yolu<\/h2>\n

    CNBYG\u2019nin AHF\/APF \u00fcr\u00fcn yolu<\/a> Besleyici ve PCC kayd\u0131, s\u00fcr\u00fcc\u00fc ayarlar\u0131, gruplama veya kaynak taraf\u0131 tasar\u0131m\u0131yla \u00e7\u00f6z\u00fclemeyen hat harmonik problemi g\u00f6steriyorsa, makine seviyesinde ak\u0131m kapasitesi, CT d\u00fczeni, \u00e7evresel s\u0131n\u0131rlar, bypass davran\u0131\u015f\u0131 ve devreye alma kan\u0131tlar\u0131n\u0131 sorun. Ba\u011flant\u0131 bir \u00fcr\u00fcn yoludur, bu so\u011fuk depolama i\u00e7in belirli bir CNBYG modelinin uydu\u011funa dair bir iddia de\u011fildir.<\/p>\n

    Daha geni\u015f sistem ba\u011flam\u0131 i\u00e7in, bkz. G\u00fc\u00e7 Kalitesi Sistemi s\u00fctunu<\/a> ve ilgili g\u0131da i\u015fleme mikseri incelemesi<\/a> ve g\u00fc\u00e7 kalitesi \u00f6l\u00e7\u00fcm k\u0131lavuzu<\/a>.<\/p>\n

    Kaynak\u00e7a<\/h2>\n