Basic Knowledge of Electricity

: RL Parallel Circuit (Admittance, Phasor Diagram)
2022/11/13
Regarding the RL parallel circuit, this article will explain the information below. Equation, magnitude, vector diagram, and admittance phase angle of RL parallel circuit admittance Admittance of the RL parallel circuit An RL parallel circuit is an electrical circuit consisting of a resistor \(R\) and an inductor \(L\) connected in parallel, driven by a voltage source or current source. The impedance \({\dot{Z}}_R\) of the resistor \(R\) and the impedance \({\dot{Z}}_L\) of the inductor \(L\) can be expressed by the following equations: \begin{eqnarray}{\dot{Z}_R}&=&R\tag{1}\\\\{\dot{Z}_L}&=&jX_L=j{\omega}L\tag{2}\end{eqnarray} , where \({\omega}\) is the angular frequency, which is equal to \(2{\pi}f\), and \(X_L\left(={\omega}L\right)\) is called inductive reactance, ...

: RC Parallel Circuit (Admittance, Phasor Diagram)
2022/11/13
Regarding the RC parallel circuit, this article will explain the information below. Equation, magnitude, vector diagram, and admittance phase angle of RC parallel circuit admittance Admittance of the RC parallel circuit An RC parallel circuit is an electrical circuit consisting of a resistor \(R\) and a capacitor \(C\) connected in parallel, driven by a voltage source or current source. The impedance \({\dot{Z}}_R\) of the resistor \(R\) and the impedance \({\dot{Z}}_C\) of the capacitor \(C\) can be expressed by the following equations: \begin{eqnarray}{\dot{Z}_R}&=&R\tag{1}\\\\{\dot{Z}_C}&=&-jX_C=-j\frac{1}{{\omega}C}=\frac{1}{j{\omega}C}\tag{2}\end{eqnarray} , where \({\omega}\) is the angular frequency, which is equal to \(2{\pi}f\), and \(X_C\left(=\displaystyle\frac{1}{{\omega}C}\right)\) is called capacitive reactance, ...

: LC Parallel Circuit (Admittance, Phasor Diagram)
2022/11/13
Regarding the LC parallel circuit, this article will explain the information below. Equation, magnitude, vector diagram, and admittance phase angle of LC parallel circuit admittance Admittance of the LC parallel circuit An LC parallel circuit is an electrical circuit consisting of an inductor \(L\) and a capacitor \(C\) connected in parallel, driven by a voltage source or current source. The impedance \({\dot{Z}}_L\) of the inductor \(L\) and the impedance \({\dot{Z}}_C\) of the capacitor \(C\) can be expressed by the following equations: \begin{eqnarray}{\dot{Z}}_L&=&jX_L=j{\omega}L\tag{1}\\\\{\dot{Z}}_C&=&-jX_C=-j\frac{1}{{\omega}C}=\frac{1}{j{\omega}C}\tag{2}\end{eqnarray} , where \({\omega}\) is the angular frequency, which is equal to \(2{\pi}f\), and \(X_L\left(={\omega}L\right)\) is called inductive reactance, ...

: RLC Parallel Circuit (Admittance, Phasor Diagram)
2022/11/13
Regarding the RLC parallel circuit, this article will explain the information below. Equation, magnitude, vector diagram, and admittance phase angle of RLC parallel circuit admittance Admittance of the RLC parallel circuit An RLC parallel circuit is an electrical circuit consisting of a resistor \(R\), an inductor \(L\), and a capacitor \(C\) connected in parallel, driven by a voltage source or current source. The impedance \({\dot{Z}}_R\) of the resistor \(R\), the impedance \({\dot{Z}}_L\) of the inductor \(L\), and the impedance \({\dot{Z}}_C\) of the capacitor \(C\) can be expressed by the following equations: \begin{eqnarray}{\dot{Z}_R}&=&R\tag{1}\\\\{\dot{Z}_L}&=&jX_L=j{\omega}L\tag{2}\\\\{\dot{Z}_C}&=&-jX_C=-j\frac{1}{{\omega}C}=\frac{1}{j{\omega}C}\tag{3}\end{eqnarray} , where \({\omega}\) is the angular frequency, which ...

: Q Factor of RLC Parallel Resonant Circuit
2022/10/20
Regarding the Q Factor of RLC Parallel Resonant Circuit, this article will explain the information below. What is the Q factor of RLC parallel resonant circuit?Derivation of Q factor of RLC parallel resonant circuitRelationship between "Q factor" and "current flowing through the inductor L and capacitor C What is the Q factor of RLC parallel resonant circuit? Q factor is a value that expresses the sharpness of the frequency characteristics. A large Q factor makes the frequency characteristics sharper, while a small Q factor makes the frequency characteristics more gradual. The above figure shows the frequency characteristics of the magnitude ...

: Q Factor of RLC Series Resonant Circuit
2022/10/19
Regarding the Q Factor of RLC Series Resonant Circuit, this article will explain the information below. What is the Q factor of RLC series resonant circuit?Derivation of Q factor of RLC series resonant circuitRelationship between "Q factor" and "voltage across the inductor L and capacitor C What is the Q factor of RLC series resonant circuit? Q factor is a value that expresses the sharpness of the frequency characteristics. A large Q factor makes the frequency characteristics sharper, while a small Q factor makes the frequency characteristics more gradual. The above figure shows the frequency characteristics of the magnitude \(I\) ...

: RLC Parallel Resonant Circuit
2022/10/16
Regarding the RLC Parallel Resonant Circuit, this article will explain the information below. What is RLC Parallel Resonant Circuit?"Impedance" and "Resonant Frequency" of RLC Parallel Resonant Circuit"Frequency Characteristics" and "Q factor" of RLC Parallel Resonant Circuit What is RLC Parallel Resonant Circuit? An RLC parallel resonant circuit is a circuit consisting of a resistor \(R\), an inductor \(L\), and a capacitor \(C\) connected in parallel. A circuit in which an inductor \(L\) and a capacitor \(C\) are connected in parallel is called an RLC parallel resonant circuit because it resonates in parallel at some frequency. Some frequency is called resonant ...

: RLC Series Resonant Circuit
2022/10/18
Regarding the RLC Series Resonant Circuit, this article will explain the information below. What is RLC Series Resonant Circuit?"Impedance" and "Resonant Frequency" of RLC Series Resonant Circuit"Frequency Characteristics" and "Q factor" of RLC Series Resonant Circuit What is RLC Series Resonant Circuit? An RLC series resonant circuit is a circuit consisting of a resistor \(R\), an inductor \(L\), and a capacitor \(C\) connected in series. A circuit in which an inductor \(L\) and a capacitor \(C\) are connected in series is called an RLC series resonant circuit because it resonates in series at some frequency. Some frequency is called resonant ...

: RL Series Circuit (Power Factor, Active and Reactive Power)
2022/10/7
Regarding the RL series circuit, this article will explain the information below. Power factor \({\cos}{\theta}\) of the RL series CircuitActive power \(P\), Reactive power \(Q\), and Apparent power \(S\) of the RL series circuit [RL Circuit] Power factor & Active, Reactive, and Apparent power Shown in the figure above is an RL series circuit with resistor \(R\), inductor \(L\), and capacitor \(C\) connected in series. As an example, the parameters of the RL series circuit are as follows. Supply voltage: \({\dot{V}}=200{\;}{\mathrm{[V]}}\)Frequency of power supply voltage: \(f=60{\;}{\mathrm{[Hz]}}\)Resistance value of resistor: \(R=50\sqrt{3}{\;}{\mathrm{[{\Omega}]}}\)Inductance of inductor: \(L=132.7{\;}{\mathrm{[mH]}}\) The power factor \({\cos}{\theta}\), active power \(P\), ...

: RC Series Circuit (Power Factor, Active and Reactive Power)
2022/10/7
Regarding the RC series circuit, this article will explain the information below. Power factor \({\cos}{\theta}\) of the RC series CircuitActive power \(P\), Reactive power \(Q\), and Apparent power \(S\) of the RC series circuit [RC Circuit] Power factor & Active, Reactive, and Apparent power Shown in the figure above is an RC series circuit with resistor \(R\) and capacitor \(C\) connected in series. As an example, the parameters of the RC series circuit are as follows. Supply voltage: \({\dot{V}}=200{\;}{\mathrm{[V]}}\)Frequency of power supply voltage: \(f=60{\;}{\mathrm{[Hz]}}\)Resistance value of resistor: \(R=50\sqrt{3}{\;}{\mathrm{[{\Omega}]}}\)Capacitance of capacitor: \(C=53{\;}{\mathrm{[μF]}}\) The power factor \({\cos}{\theta}\), active power \(P\), reactive power ...

1 2 3 Next »