קפבקThese are ‎480VAC/3PH/60HZ to ‎400VDC/1PH Converters with ‎400VDC battery based storage. ‏They convert ‎480 ‏VAC ‎(RMS) 3 ‏phase AC power to ‎400 ‏VDC ‎1 ‏phase DC power, ‏and store it in batteries used to recharge the batteries in the vehicles. ‏When the batteries are not recharging a vehicle battery they are being recharged from the utility company supplied ‎480 ‏VAC power.Converters are similar to a rectifier but also change voltage. ‏They select the voltage range desired to be used during the sine wave voltage change from ‎0 ‏to ‎+/- 690 ‏volts and turn off ‎(“chop”) ‏voltages below or above that range, ‏and achieving uniform amperage and voltage. 480 ‏VDC to ‎400 ‏VDC or ‎800 ‏VDC are typical converters.The voltage output is matched to the battery voltage in the vehicle. ‏Most EVs then create a higher voltage to be used to power the vehicle motors and invert the DC power to ‎3 ‏phase AC.https://www.electronicdesign.com/markets/automotive/article/21806694/highvoltage-solutions-take-over-hevev-designsInput voltages are ‎575 ‏VAC in Canada and ‎380 ‏VAC in many other parts of the world. 800 ‏V powןקer is becoming popular for EVs due to higher efficiencies without significantly higher costs.https://en.m.wikipedia.org/wiki/Electric_power_conversion

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