Parallel RLC circuitmaximum or minimum impedancemaximum or minimum without calculusWe show that the maximum or minimum impedance of a special parallel RLC studied in a previous paper can be found analytically, without using calculus. In fact, we show that the maximum or minimum value occurs when ...
This parallel RLC circuit impedance calculator determines the impedance and the phase difference of a resistor, an inductor, and a capacitor connected in ...
As the frequency increases the window of error is decreases. And for higher frequencies the importance of maximum power transfer becomes critical. The circuit works properly and efficiently if the impedance is matched perfectly. If the impedance is not matched correctly, there are many negative effec...
The effect can be modeled by an extra circuit in parallel with the main capacitor, RdCd in the equivalent circuit (Fig. 3.17). RdCd has a long time constant and transfers charge slowly to C when the capacitor is open circuit. The dielectric absorption figure, quoted for t >> ts, is ...
identical. Reactance is expressed as an ordinary number with the unit ohms, whereas the impedance of a capacitor is the reactance multiplied by -j, i.e., Z = -jX. The -j term accounts for the 90-degree phase shift between voltage and current that occurs in a purely capacitive circuit....
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Corrosion and tribocorrosion protection of AZ31B Mg alloy by a hydrothermally treated PEO/chitosan composite coating Corrosion resistance of the specimens was evaluated via electrochemical measurements (open circuit potential and electrochemical impedance spectroscopy) in simulated... L Xu,X Fu,H Su,......
letters stabilization of a cascaded dc converter system via adding a virtual adaptive parallel impedance to the input of the load converter It is known that constant power load (CPL) may cause a negative impedance, which seriously affects the stability of power system. In this paper, a new con...
A DC-DC converter constitutes a typical nonlinear system, and analyzing the dynamic operation characteristics of the circuit is complex. Based on accurate modeling, the static and dynamic characteristics of a DC-DC converter system can be easily analyzed and evaluated, and the controller parameters ...
A circuit for adjusting the impedance of a plasma section to a high-frequency generator wherein three capacitors are connected in series between the high-frequency generator and an electrode of the plasma section; located between the generator and the electrode are two parallel oscillatory circuits....