Name: ac circuit rules with phasor diagrams
Uploaded: 2024-04-11T12:48:49.000Z
Duration: 1 min 12 s
Channel: JoVE

Dağıtım panelinden gelen bir AC güç kaynağının cihazlara paralel olarak bağlandığı bir ev devresi düşünün.
Bir AC devresinin analizi, yüklerin empedans eşdeğerleri ile değiştirilmesini ve voltajların ve akımların fazör formlarına dönüştürülmesini içerir.
Bu AC devresi, Kirchhoff'un voltaj ve akım yasaları kullanılarak analiz edilebilir.
Kirchhoff'un voltaj yasası devredeki ilk döngüye uygulandığında, kapalı bir döngüdeki fazör voltajlarının toplamının sıfıra eşit olmasını zorunlu kılar.
Sinüzoidal kararlı bir durumda, bu voltajlar zaman alanında temsil edilebilir ve fazör eşdeğerlerine dönüştürülebilir.
Frekans faktörü boş olamayacağından, fazör voltajlarının toplamı sıfıra eşittir.
Şimdi, Kirchhoff'un akım yasasını bir düğümde uygulamak, devre düğümüne giren toplam akımın, düğümden çıkan toplam akıma eşit olduğunu iddia eder.
Fazör gösterimi ile ifade edilen, düğümdeki fazör akımlarının toplamı sıfıra eşittir.
Bu nedenle, Kirchhoff yasaları herhangi bir AC devresi için geçerlidir ve hem kapalı döngülerdeki fazör voltajları hem de düğümlerdeki fazör akımları için sıfır toplamlar sağlar.

fazörleri kullanan kirchhoff yasaları

Elektrik sistemlerindeki AC devrelerini analiz etmek elektrik mühendisliğinin temel bir yönüdür. Bu devrelerde AC gücü bir dağıtım panelinden sağlanır ve çeşitli ev aletlerine paralel olarak bağlanır. Kapsamlı bir analiz gerçekleştirmek için elektrik mühendisleri, DC devrelerinde olduğu gibi AC devrelerinde de eşit derecede geçerli olan Kirchhoff'un gerilim ve akım yasalarını kullanır.

Kirchhoff'un gerilim yasası (KVL), bir AC devresindeki kapalı bir döngü etrafındaki fazör gerilimlerinin toplamının sıfıra eşit olduğunu belirtir. AC gerilimlerinin zamanla sinüzoidal olarak değiştiği sinüzoidal kararlı durumda, bu gerilimler zaman alanında temsil edilebilir ve daha sonra fazör eşdeğerlerine dönüştürülebilir. Bu işlem, kapalı bir döngüdeki fazör gerilimlerinin toplamının sıfır kalmasını sağlar.

<img alt="Equation1" src="/files/ftp_upload/15108/15108_PT_Equation_1.svg" style="text-align: center; height: 14px;" />

Kirchhoff akım yasası (KCL), bir düğüme giren toplam akımın, düğümden çıkan toplam akıma eşit olduğunu ileri sürerek devre düğümleri için geçerlidir. Fazör gösterimiyle ifade edildiğinde, bir düğümdeki fazör akımlarının toplamı da sıfıra eşittir.

<img alt="Equation2" src="/files/ftp_upload/15108/15108_PT_Equation_2.svg" style="text-align: center; height: 14px;" />

Bu yasalar, AC devre analizi için temel araçlardır ve mühendislerin frekans alanında sorunsuz bir şekilde çalışmasını sağlar. Konut ve endüstriyel ortamlardaki elektrik devrelerinin tasarlanması ve sorun gidermesinde çok önemli olan empedans kombinasyonu, düğüm ve çevre(göz) akımları yöntemi, süperpozisyon ve kaynak dönüşümü gibi çeşitli görevleri kolaylaştırırlar.

Fazörleri Kullanan Kirchhoff Yasaları

Dağıtım panelinden gelen bir AC güç kaynağının cihazlara paralel olarak bağlandığı bir ev devresi düşünün.
Bir AC devresini analiz etmek şunları içerir ...

Education

JoVE Core

Electrical Engineering

Elektrik Mühendisliği

Unit 1

Ünite 1

AC Circuit Analysis

AC Devre Analizi

KEY TERMS AND CONCEPTS

TEMEL TERİMLER VE KAVRAMLAR

Kirchoff's Laws using Phasors

ac circuit rules with phasor diagrams

AC circuit analysis uses Kirchhoff's voltage law and Kirchhoff's current law with phasors. In household wiring, AC power from a distribution panel is sent to appliances connected in parallel. These rules help describe how voltage and current behave in sinusoidal steady state.

Kirchhoff's voltage law, or KVL, says that the sum of phasor voltages around a closed loop in an AC circuit is zero. The voltages can first be written in the time domain and then changed into phasor form. In phasor notation, the loop still balances to zero.

Kirchhoff's current law, or KCL, applies at a node, which is a connection point in a circuit. It states that the total current entering the node equals the total current leaving it. When written as phasor currents, the sum at the node is also zero.

Using phasors makes AC circuit analysis easier in the frequency domain. Engineers use these laws for impedance combination, nodal analysis, mesh analysis, superposition, and source transformation. These tools are important for designing and troubleshooting electrical circuits in residential and industrial settings.

AC Circuit Rules with Phasor Diagrams

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kirchoff's laws using phasors

AC circuit analysis uses Kirchhoff's voltage law and Kirchhoff's current law with phasors. In household wiring, AC power from a distribution panel is sent to appliances connected in parallel. These rules help describe how voltage and current behave in sinusoidal steady state. Kirchhoff's voltage law, or KVL, says that the sum of phasor voltages around a closed loop in an AC circuit is zero. The voltages can first be written in the time domain and then changed into phasor form. In phasor...

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key terms and concepts

Learn how Kirchhoff's voltage and current laws apply to AC circuits with phasors, including loop and node analysis in sinusoidal steady state.

AC Circuit Rules with Phasor Diagrams | 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

AC Circuit Rules with Phasor Diagrams

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