Electric vehicle off-board direct-current charger direct-current electric energy meter on-line verification system and method
A DC energy meter, electric vehicle technology, applied in the direction of measuring electrical variables, measuring devices, instruments, etc., can solve the problems of poor verification adaptability of charger DC energy meters, electric energy measurement errors, complex field conditions, etc.
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[0036] The technical solution for implementing the invention includes a hardware platform composed of a charging module, a load module, a measurement verification module and an industrial computer, and a verification system software part composed of verification control software and system management software.
[0037] The charging module is composed of a three-phase AC power supply, an IGBT rectifier module of an off-vehicle DC charger and a DC electric energy meter.
[0038] Further, the three-phase AC power supply provides AC power for the off-vehicle DC charger; the IGBT rectifier module of the off-vehicle DC charger converts AC power into DC power to safely and quickly charge the power battery of the electric vehicle; The DC electric energy meter described above can measure, record, and display operating parameters such as the voltage, current, and power of the DC current charged by the load module, and can output electric pulses proportional to the measured electric energ...
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