Converter unit 10kW for DC Fast Charging Station
E-mobility. Development and simulation the converter unit 10kW, 50-500V for EV DC Fast Charging Station
Overview
Converter unit 10kW, 20A, 50-500V are used as a part of EV DC Fast Charging Station. In this study, a 10kW converter, output 20A, 50-500V, input 230V was considered.
Modeling goals:
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Determination of the parameters of the power circuit components;
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Adjusting the structure of the control system for a given application;
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Adjustment of control system regulators for a specific task;
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Check in specified modes;
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Analysis of the results;
The initial data were:
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Block output parameters;
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Operating modes;
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Power grid parameters;
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Battery operating voltage range;
The criteria for achieving the goal were:
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Providing output parameters;
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Ensuring the specified operating modes;
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Effective work of active power factor correction (PFC);
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Compliance with the parameters of the power grid for harmonics;
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Optimization (minimization) of parameters of circuit components;
According to the simulation results have been given requirements for the parameters of circuit elements, parameter control, by the report
The model consisted of:
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grid single-phase diode rectifier;
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active power factor correction (PFC) schematic;
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single-phase IGBT inverter;
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HF transformer;
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diode rectifier of inverter voltage;
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output LC-filte;
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PFC controller;
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PWM generator for inverter;
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Electric grid equivalent;
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AC filter;
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Battery equivalent;
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Voltage and current measurements (instant, RMS, Mean, THD values;
Typical DC charging systems(pic from IEC61851-23-2014)
