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İnvertör Nedir, Ne İşe Yarar? - HAKANSEYHAN
Günden güne kullanım alanı giderek artmakta olan güç çevirici ve güç aktarım aleti invertör bilinenin aksine asla elektrik üretmez, yalnız elektriğin akımını değiştirir ve aktarır. Gelin invertör nedir, ne işe yarar benzer biçimde dört gözle beklenen soruların yanıtlarına yakından bakalım ve bu aleti detaylı olarak tanıyalım.
AC/DC yalnızca bir müzik grubu değildir. Bugün kullanmakta olduğumuz elektriğin iki mühim akımını ifade eder; doğru akım ve alternatif akım. Bir güç kaynağından çıkan elektriğin akımı ne olursa olsun hedefe doğru bir akım göndermek için bazı aktarıcı ve çeviriciler kullanmakta fayda vardır. İnvertör, işte bu çeviricilerden biridir. Bilinenin aksine bir invertör elektrik üretmez, akım değiştirerek aktarım sağlar.
İnvertör, kullanım alanına gore değişim gösterse de oldukça minik bir cihazdır ve tek bir işlevi vardır; doğru akımı, alternatif akıma çevirmek. Bu açıdan bakınca öyleki o kadar da lüzumlu bir aygıt benzer biçimde görünmeyebilir sadece bilhassa ana güç kaynağına uzak bir yerde, yedek bir güç kaynağıyla çalışıyorsanız hakkaten yaşam kurtarıcı olabilir. İnvertör nedir, ne işe yarar gelin birazcık daha yakından inceleyelim.
İnvertör nedir? İnvertör, inverter ya da Türkçesi ile güç çevirici; DC olarak adlandırılan doğru akımı, AC olarak adlandırılan alternatif akıma çeviren bir cihazdır. İnvertörün almış olduğu akımın çevrildiği alternatif akımın gücü; transformatöre, anahtarlama sistemine ve denetim devrelerine bağlı olarak değişik gerilim ve frekanslarda olabilir.
İnvertör ne işe yarar?
İnvertör, 12 v gücündeki doğru akımı alır ve 220 v gücündeki alternatif akıma çevirir. 12 v DC doğru akımın bulunmuş olduğu bölgeler genel olarak sürekli bir elektrik akışının olduğu ana güç kaynakları değil de güç yedekleyen ya da depolayan yedek güç kaynaklarıdır.
İnvertör, DC doğru akımı AC alternatif akıma çevirmekle kalmaz bununla beraber güç tasarrufu sunar. Akım çevrimi yapmış olduğu yedek kaynak sınırsız olmadığı için bu oldukça işe yarar bir özelliktir. Üstelik invertör kullanılarak çevrilen elektrik akımı, aktarıldığı değişik cihazlara doğru frekansta ulaşmış olduğu için iç aksamın da ömrünü uzatmaktadır.
İnvertör nerelerde kullanılır?
Nerelerde kullanılmaz diye sormak daha doğru olsa gerek bu sebeple invertör kullanılmayan bir alan neredeyse yok. Daha ilkin bahsettiğimiz benzer biçimde bilhassa ana güç kaynağına uzak noktalarda yedek güç deposu ile enerji akışının sağlandığı tüm alanlarda bir invertör kullanmak hem oldukça daha verimli hem de oldukça daha güvenlidir.
İnventörün aslolan kullanım alanı ise rüzgar ve güneş benzer biçimde alternatif kaynaklardan enerji üretilen alanlardır. Bundan dolayı bu tür alternatif kaynaklardan alınan enerji ilkin depolanır ve hemen sonra kullanılır. Depolanan enerjinin kullanılabilir bir akım haline gelmesini ise değişik anahtarlama sistemleri ile geliştirilmiş invertörler sağlar.
İnvertör nasıl çalışır, türleri nedir?
Ilk olarak DC doğru akım kaynağında bir enerji birikmesi yaşanır. Bu kaynağa devamlı açılıp kapanan ve transformatörlerle yükseltme ile anahtarlama meydana getiren bir aygıt bağlanır. Transformatörün birincil tarafı DC doğru akım gerilimi ile açılıp kapandıkça bu AC alternatif akıma dönüşür.
İnvertör ise tüm bu sürecin çıkış aşamasıdır. Temel olarak üç sistemden anlatmak mümkün; merkez aşama transformatörlü itme-çekme, yarım köprü itme-çekme ve tam köprü itme-çekme. Merkez aşama transformatörlü itme-çekme basittir, garantilidir ve bundan dolayı popülerdir sadece ağırdır ve düşük verimliliğe haizdir.
İnvertörler çıkış aşamasında kare dalga, saf sinüs dalgası ve modifiye sinüs dalgası olmak suretiyle üç değişik tipte dalga kullanırlar. Kare dalga kolay, ucuz fakat daha düşük kalitelidir. Gerçek sinüs dalgalı invertör en iyi dalga biçimidir sadece birazcık pahalı olduğundan tıbbi ekipmanlar benzer biçimde mühim cihazlarda kullanılır.
Doğru akımı alternatif akıma çeviren güç çevirici invertör nedir, ne işe yarar, nasıl çalışır benzer biçimde dört gözle beklenen soruları yanıtladık ve bu aygıt hakkında bilmenizde fayda olacak bazı mühim detaylardan bahsettik. Adı doğru bile olsa, her akım cihazlar için doğru akım olmayabilir.
Başa dön tuşu