Wuhan UHV specializes in producingseries resonance (also known as series resonance withstand voltage equipment). Next, we will share with you the calculation method of series resonance.

Variable frequency series resonancemainly refers to the voltage and current of the studied series circuit reaching the same phase, that is, the inductance reactance and capacitance reactance of the inductor in the circuit are equal in value and time, making the studied circuit exhibit pure resistance characteristics.  

At a given terminal voltage, the maximum current will occur in the studied circuit. The maximum active power is consumed in the circuit.  

Calculation method forfrequency conversion series resonance:

z=r+jx，x=0，z=r，i=u/z=u/r 

(1) Resonance definition: In a circuit, when the energy of two components is released by one reactive module and the other reactive module must absorb the same energy, the energy of the two components is equal, that is, there will be energy pulsation between the two reactive components.  

(2) In order to generate resonance, the circuit must have inductance L and capacitance C.

(3) The corresponding resonance frequency is represented by fr as the resonance frequency or resonance frequency. The conditions for a series resonant circuit are as follows: when q=qi2, xl=i2, xc, or xl=xc, the resonance conditions for an r-l-c series circuit are obtained.  

(4) Whether in series or parallel resonance, complete energy exchange between L and C is achieved when resonance occurs. That is to say, the released magnetic energy is completely converted into electric field energy and stored in a capacitor, which in turn discharges at another moment and then converts into magnetic energy stored in an inductor.  

(5) In a series resonant circuit, due to the same current flowing through series L and C, energy exchange is carried out through changes in voltage polarity; In a parallel circuit, the two ends of L and C have the same voltage, so energy conversion is the opposite current phase of the two components.  

(6) Inductance and capacitance are still two components in resonance, otherwise energy cannot be exchanged; But from the perspective of equivalent impedance, they become a component: zero resistance or infinite resistance.