Question

The Nissan Leaf is an all-electric car powered by a 107-hp electric motor and a lithium-ion battery that stores 24 kWh and produces 394 V at its terminals when fully charged. The Leaf's battery can charge at the rate of 3.3 kW from a standard 120-V power outlet, at 6.6 kW from a 240-Voutlet, and at 44 kW using a special 480-Vcharge. The Leaf's fuel economy is 3.38 miles per kWh, the equivalent of 114 miles per gallon in a gasolinepowered car.

Part A Find the range of the Leaf, assuming the battery can be fully depleted. d=   mi SubmitMy AnswersGive Up Part B Find the charging time from a standard 120-V power outlet. t1=   h SubmitMy AnswersGive Up Part C Find the charging time from a 240-V outlet. t2=   h SubmitMy AnswersGive Up Part D Find the charging time from a special 480-V charge. t3=   min SubmitMy AnswersGive Up Part E Find the current delivered by the fully charged battery when the motor is operating at full power. Express your answer to three significant figures and include the appropriate units.

Answer 1

Solution Part A The battery stores 24kWh when fully charged. Economy for the Nissan leaf is 3.38 miles per kWh 0 Range of the Leaf is d - 3.38x 24 - 81.12mi Thus, the range of the leaf assuming the battery can be fully depletedis 81.12mi Part B ime.!- Power Energy.E 24kWh 3.3kw -7.27h Thus, the charging time from a standard 120V power supply is 7.27h Part C 24kWh 26.6kW - 3.64h Thus, the charging time from a standard 240V power supply is 3.64h Part D 24kWh 3 44kW 0.545h Thus, the charging time from a standard 240V power supply is 0.545h |