GB/T 19596-2017Terminology of electric vehicles (English PDF)

3.1 Vehicle

3.1.1 Electric vehicle; EV The following vehicles are collectively called electric vehicles.

3.1.1.1 Battery electric vehicle; BEV Vehicles the driving energy of which is totally provided by electric energy, driven by motor. The motor drive power is from the on-board rechargeable energy storage system or other energy storage devices.

3.1.1.2 Hybrid electric vehicle; HEV Vehicles that are capable of being powered by at least two types of on-board storage.

3.1.2 Structure, components

3.1.2.1 Drive, driving device 3.1.2.1.4 Power train The combination of power unit and drive system. 3.1.2.1.5 Drive direction control A special device for selecting the direction of the vehicle travel (forward or reverse) by the driver's operation. For example. joystick or button switch. 3.1.2.1.6 Vehicle control unit Powertrain controller, which collects the accelerator pedal signal, brake pedal signal and other component signals, makes the appropriate judgments, controls the actions of each underlying component controller, to realize the vehicle drive, brake, and energy recovery. 3.1.2.1.7 Electric power system Circuit systems that generate, transport, and use electrical energy, including power supplies. 3.1.2.1.8 Regenerative braking The system that converts (or partially converts) the kinetic energy and potential energy of the vehicle in the driving process into the energy of the on-board rechargeable energy storage system and store it when the vehicle slides, slows down or descends.

3.1.2.3 Electrical installations and components

3.1.2.4 Indicators, signaling devices 3.1.2.4.1 Battery overheat warning device A device that issues alarm signal when the power battery electrolyte temperature exceeds the limit. 3.1.2.4.2 Battery level warning device A device that issues alarm signal when the power battery electrolyte level is too low and requires addition. 3.1.2.4.3 Residual capacity gauge Instrument that shows the remaining battery power capacity.

3.1.3 Performance

3.1.3.1 Driving performance 3.1.3.1.1 Discharged energy Power energy released by the energy storage device in the electric vehicle driving process, in Wh. 3.1.3.1.2 Regeneration braking The system that converts (or partially converts) the kinetic energy and potential energy of the vehicle in the driving process into the energy of the on-board rechargeable energy storage system and store it when the vehicle slides, slows down or descends. 3.1.3.1.3 Regenerated energy Electric energy recovered by the electric vehicles through regeneration braking in the driving process, in Wh.

3.2.2 Motor type

3.2.2.1 DC series electrical machine DC motor with field windings and armature windings in series.

3.2.2.2 DC shunt electrical machine DC motor with field windings and armature windings in parallel.

3.2.2.3 Brushless brushless electrical machine The DC motor using electronic circuit to replace the brush and mechanical commutator, generally it is composed of three parts. permanent magnet rotor motor body, rotor position sensor, and electronic commutation circuit.

3.2.2.4 AC induction electrical machine The AC motor for which the stator and the rotor are independent windings, both of them transmit torque through electromagnetic induction, their rotors rotate at lower / higher air gap rotating magnetic field.

3.2.2.5 AC synchronous electrical machine The AC motor for which the rotor and air gap rotating magnetic field rotate synchronously.

3.2.3 Controller components

3.2.3.1 Convertor (converter) A device that changes one or more characteristics (voltage, current, waveform, phase, frequency) of an electrical system. 3.2.3.1.1 Inverter Convertor that converts the DC current into AC current. 3.2.3.1.2 Rectifier Convertor that converts the AC current into DC current. 3.2.3.1.3 Chopper The convertor that turns on/off the input DC voltage at certain frequency, thereby changing the average output voltage.

3.2.4 Related devices

3.2.4.1 DC / DC convertor (converter) Convertor that converts a certain DC power supply voltage into any DC voltage.

3.2.4.2 Cooling equipment Device for cooling the motor and controller.

3.2.5 Performance parameters

3.2.5.1 Rated power Output power at rated conditions.

3.2.5.2 Continuous power Prescribed maximum, long-term working power.

3.2.5.3 Peak power The maximum permissible output power of the motor for the specified duration.

3.2.5.4 Rated speed The minimum motor speed at rated power.

3.2.5.5 Rated torque Motor output torque at rated power and rated speed.

3.2.5.6 Peak torque The maximum torque that the motor is allowed to output in the specified duration.

3.2.5.7 Locked-rotor torque The minimum measured value of the torque which is generated by the rotor when all corners are blocked.

3.2.5.8 Voltage control method The method of changing the motor terminal voltage to realize rotation speed control.

3.2.5.9 Current control method The method of changing the motor winding current to realize the rotation speed control.

3.2.5.10 Frequency control method The method of changing the power frequency of the motor to realize the rotation speed control.

3.2.5.11 Vector control The method of realizing motor rotation / torque control by using the stator current of the AC motor as the vector AND decomposing it through coordinate transformation into the independent control current component corresponding to the DC motor excitation current and armature current.

3.4.4 Structure, components

3.4.4.1 DC power supply Device that provides DC power.

3.4.4.2 Charging cable Cable for charging electric vehicles.

3.4.4.3 Charging connector Connection device between the charging cable and electric vehicle.

3.4.4.4 Charging timer Device that sets the charging time.

3.4.4.5 Charging plug, outlet Plug and outlet to charge the electric vehicle.

3.4.4.6 Lock actuator The device that mechanically locks the charging connector.

3.4.4.7 Charging controller Device to control the charging process.