Analysis of Single-phase Bridge Rectifier Filter Circuit Based on Taylor Formula
It is difficult to describe the output voltage waveform of a single-phase bridge rectifier filter circuit using an analytical formula.In the output voltage waveform,there is a time period during which the output voltage drops in each cycle.The length of this time period is related to the values of the filtering capacitor and the load resistance.By analyz-ing the working process of the circuit,the mathematical function relationship of relevant physical quantities is obtained.By using the Taylor formula to approximate and simplify the relationship,the relationship between the voltage drop time period and the time parameter RC can be obtained.The data calculated based on the relationship formula is rela-tively close to the circuit simulation data.The relationship can be used for selecting capacitance values and calculating the duration of voltage drop time periods.
filter circuitTaylor formuladischarge time of filter capacitoraverage output voltage
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