design of electric vehicles

which of the following converters are used to control DC motor

• choppers

• AC-AC voltage controlllers

• inverters

• none of the above

which of the following chopper will have two-quadrant operation

• class A

• class B

• class C

• multiquadrent

which of the following control scheme is used to control induction motor speed

• voltage control

• frequency control

• v/f control

• none of the above

which control techniques are used to control the speed of BLDC motor

• torque control

• speed control

• both torque and speed

• voltage control

what is the full form of SRM (motor)

• super relative motor

• switched reluctance motor

• switched relative motor

• super reluctance motor

what is the basic principle involved in Max SOC-of PPS Control strategy in series HEV

• to maintain the max charge in PPS

• to utilize PPS to the maximum extend

• to utilize engine to max extend

• to utilize engine and PPS in equal ratio

which type of coupling is used in HEV

• electrical

• mechanical

• torque

• speed

engine control, motor control, and mechanical braking control can be done used which master controller

• voltage controller

• PPS controller

• vehicle controller

• pedal control

In the case of parallel HEV, which of the following condition is correct for PPS charging mode in MAX SOC od PPS control strategy:

• 
• 

while selecting transmission design in parallel HEV multi-gear transmission is chosen when

• engine average power is less than load power

• engine average power is equal to load power

• engine average power is less than PPS power

• when PPS power is greater than load power