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NewsBattery charger,the battery electric vehicle
2010-09-02 15:14:27 Author：Theone CopyFrom： Hits：0
These vehicles include a battery pack, so generally use series charger. A 10 Ampere-hour battery could take 15 hours to reach a fully charged state from a fully discharged condition with a 1 Ampere charger as it would require roughly 1.5 times the battery's capacity.
Public EV charging stations provide 6 kW (host power of 208 to 240 VAC off a 40 amp circuit). 6 kW will recharge an EV roughly 6 times faster than 1 kW overnight charging. Rapid charging results in even faster recharge times and is only limited by available AC power and the type of charging system. On board EV chargers (change AC power to DC power to recharge the EV's pack) can be:Isolated: they make no physical connection between the A/C electrical mains and the batteries being charged.
These typically employ some form of inductive charging. Some isolated chargers may be used in parallel. This allows for an increased charge current and reduced charging times. The battery has a maximum current rating that cannot be exceeded Non-isolated: the battery charger has a direct electrical connection to the A/C outlet's wiring. Non-isolated chargers cannot be using in parallel. Power Factor Correction (PFC) chargers can more closely approach the maximum current the plug can deliver, shortening charging time.
