Name: norton equivalent circuit in dc analysis
Uploaded: 2024-04-11T12:48:31.000Z
Duration: 1 min 14 s
Channel: JoVE

Norton'un teoremi, herhangi bir doğrusal iki terminalli devrenin, bir dirençle paralel olarak tek bir akım kaynağından oluşan eşdeğer bir devre ile değiştirilebileceğini belirtir.
Norton teoremini uygulamak için, yük direncini iki yük terminalinden çıkarın: kalan ağ, bu terminallerden görüldüğü gibi Norton eşdeğer devresi ile değiştirilecektir.
Norton'un direnci, tüm bağımsız kaynaklar sıfıra ayarlanarak belirlenebilir. Terminaller arasındaki eşdeğer veya giriş direnci Norton'un direncidir.
Norton'un akımını bulmak için tüm kaynakları orijinal konumlarına geri getirin. Ardından, işaretli terminaller arasındaki kısa devre akımını bularak Norton'un akımını hesaplayın.
Son olarak, ağı Norton eşdeğer devresiyle değiştirin ve yük direncini tekrar bağlayın.
Kaynak dönüştürme tekniği, Norton ve Thévenin eşdeğer devreleri arasında dönüştürme yapmak için kullanılabilir.
Thevenin veya Norton eşdeğer devresini belirlemek için açık devre voltajı, kısa devre akımı ve giriş veya eşdeğer direnç bilinmelidir.
Norton ve Thévenin teoremleri ile Ohm yasası arasındaki yakın ilişki, karmaşık elektrik devrelerinin çözülmesine yardımcı olur.

norton teoremi

Norton teoremi, doğrusal iki terminalli bir devrenin, bir dirençle (RN) paralel bir akım kaynağından (ⅠN) oluşan eşdeğer bir devreyle değiştirilebileceğini belirten temel bir prensiptir. Burada ⅠN, terminallerden geçen kısa devre akımını temsil eder ve RN, tüm bağımsız kaynaklar devre dışı bırakıldığında terminallerdeki girişi veya eşdeğer direnci temsil eder. Bu, Figure (a)'da gösterilen devrenin, Figure (b)'de gösterilen devre ile değiştirilebileceği anlamına gelir.

<img alt="Figure1" src="/files/ftp_upload/15054/15054_PT_Figure_1.svg" style="text-align: center; height: 132px;" />

Figure (a)

<img alt="Figure1" src="/files/ftp_upload/15054/15054_PT_Figure_2.svg" style="text-align: center; height: 132px;" />

Figure (b)

Norton direncinin belirlenmesi, devre içindeki tüm bağımsız kaynakların sıfıra ayarlanması işlemini içerir. Ortaya çıkan değer, teoremin uygulanması için gerekli olan Norton direncini temsil eder. Norton akımını hesaplamak için tüm kaynakların orijinal konfigürasyonlarına döndürülmesi ve ardından işaretli terminaller arasındaki kısa devre akımının belirlenmesi gerekir. Dönüşümü tamamlamak için ağı Norton eşdeğer devresiyle değiştirmek ve yük direncini yeniden bağlamak gerekir. Thévenin veya Norton eşdeğer devresini kurmak için açık devre voltajı, kısa devre akımı ve giriş veya eşdeğer direnç hakkında bilgi sahibi olunmalıdır. Bu parametreler, bu devre dönüşümleri için çok önemli girdiler olarak hizmet eder. Norton ve Thévenin teoremleri arasındaki yakın ilişki aşağıdaki ilişkilerle verilmektedir,

<img alt="Equation1" src="/files/ftp_upload/15054/15054_PT_Equation_1.svg" style="text-align: center; height: 14px;" />

<img alt="Equation1" src="/files/ftp_upload/15054/15054_PT_Equation_2.svg" style="text-align: center; height: 34px;" />

Ohm yasasının ilkeleriyle birleştiğinde karmaşık elektrik devrelerini çözmek için değerli araçlar sağlar.

Norton Teoremi

Norton'un teoremi, herhangi bir doğrusal iki terminalli devrenin, tek bir akım kaynağından oluşan eşdeğer bir devre ile değiştirilebileceğini belirtir ...

Education

JoVE Core

Electrical Engineering

Elektrik Mühendisliği

Unit 1

Ünite 1

DC Circuit Analysis

Doğru Akım (DA) Devre Analizi

KEY TERMS AND CONCEPTS

TEMEL TERİMLER VE KAVRAMLAR

Norton's Theorem

norton equivalent circuit in dc analysis

Norton equivalent circuit in DC analysis shows how a linear two-terminal circuit can be replaced by a simpler network. The replacement uses a current source, called I_N, in parallel with a resistor, called R_N. I_N is the short-circuit current through the terminals, and R_N is the input or equivalent resistance seen at the terminals when the independent sources are turned off.

To find Norton's resistance, all independent sources in the circuit are set to zero. The resistance measured at the marked terminals is then taken as R_N. To find Norton's current, the sources are restored to their original values and the short-circuit current between the terminals is found.

After the Norton equivalent is built, the load resistor is connected again to complete the transformation. This method gives a compact way to study how the circuit behaves at its terminals. It is closely linked to Thevenin's theorem, since both use the open-circuit voltage, short-circuit current, and equivalent resistance.

These relationships, together with Ohm's law, help solve more complex electrical circuits. By converting a network into its Norton form, students can compare terminal behavior more easily. The theorem is a useful tool for circuit analysis when a two-terminal linear network must be simplified.

Norton Equivalent Circuit in DC Analysis

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Thevenin Circuit Equivalents

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norton's theorem

Norton equivalent circuit in DC analysis shows how a linear two-terminal circuit can be replaced by a simpler network. The replacement uses a current source, called I_N, in parallel with a resistor, called R_N. I_N is the short-circuit current through the terminals, and R_N is the input or equivalent resistance seen at the terminals when the independent sources are turned off. To find Norton's resistance, all independent sources in the circuit are set to zero. The resistance measured at the...

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key terms and concepts

Learn how Norton equivalent circuits simplify a linear two-terminal network using a current source, parallel resistance, and short-circuit current.

Norton Equivalent Circuit in DC Analysis | JoVE K12

JoVE Core Elektrik Mühendisliği, devre analizi teknikleriyle birlikte elektrik devrelerinin temel kavramlarını kapsayan, anlaşılması kolay animasyonlu videolar sunar. Operasyonel amplifikatörler ve devre dönüşümü kavramlarını kullanarak birinci dereceden ve ikinci dereceden devreleri içerir. Pratik tasarım örneklerinin ve gerçek dünya uygulamalarının bilim insanlarınca hazırlanan videolar aracılığıyla dahil edilmesi, karmaşık kavramları erişilebilir hale getirerek önemli bir eğitim değeri katmaktadır.

electrical engineering

Norton Equivalent Circuit in DC Analysis

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