SLLA497 September   2020 TMS320F28P550SJ , TMS320F28P559SJ-Q1

 

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1 Introduction

A charging station is part of the grid infrastructure installed along a street, parking lot or in a home garage; its primary purpose is to supply the power to the PHEV for charging the battery. There are mainly two types of charging systems, as shown in Table 1-1: AC and DC charging systems.

An AC charger powers the EV battery through the vehicle’s on-board charger, while a DC charger directly charges the vehicle’s battery.

Table 1-1 details the charging stations classified based on power levels.

Table 1-1 Charging Station Classification

EVSE Type

Power Supply

Charger Power

Charging Time* (approximate) for a 24-kWh Battery

AC charging station: L1 residential

120/230 VAC and 12 A to 16 A (Single Phase)

Approximately 1.44 kW to approximately 1.92 kW

Approximately 17 Hours

AC charging station: L2 commercial

208–240 VAC and 15 A to approximately 80 A (Single/split phase)

Approximately 3.1 kW to approximately 19.2 kW

Approximately 8 Hours

DC charging station: L3 fast chargers

300 to 600 VDC and (Max 400 A) (Poly phase)

From 120 kW up to 240 kW

Approximately 30 Minutes