Abstract:
A power system for an electric vehicle, an electric vehicle and a method for charging a power battery are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a bidirectional DC-DC module (30); a driving control switch (40); a bidirectional DC-AC module (50); a motor (M); a motor control switch (60); a charge-discharge control module (70); a battery manager (108); and a control module (80) configured to control the driving control switch (40), the motor control switch (60) and the charge-discharge control module (70) so as to control the power system to enter a charge-discharge mode, and to control the power battery (10) to charge and discharge in a pulse mode so as to heat the power battery (10) when the temperature of the power battery (10) is lower than a predetermined temperature.
Abstract:
A charging system for a vehicle, a charging system for a battery of a vehicle, a charging device for a vehicle, and a vehicle comprising the same are provided. The charging system for the vehicle comprises: a battery (1) configured to output a DC voltage; a charging interface (5) connected with the vehicle; a converting unit (3) connected with the battery (1) and the charging interface (5) respectively; and a control unit (4) connected with the converting unit (3), and configured to control the converting unit (3) to convert the DC voltage outputted by the battery (1) to an AC voltage and to charge the vehicle via the charging interface (5) with the AC voltage.
Abstract:
A power system for an electric vehicle, an electric vehicle and a motor controller for an electric vehicle are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a three-level bidirectional DC-AC module (30); a motor control switch (40); a charge-discharge control module (50) having a first terminal connected with an AC terminal of the three-level bidirectional DC-AC module (30) and a second terminal connected with the charge-discharge socket (20); and a control module (60) connected with a third terminal of the charge-discharge control module (50) and a third terminal of the motor control switch (40), and configured to control the charge-discharge control module (50) and the motor control switch (40) according to a current working mode of the power system.
Abstract:
The present invention provides a motor control system and a vehicle. The motor control system (1) includes a motor drive module (10), a multi-core processing module (20), and a safety logic module (30). The multi-core processing module (20) includes a main function core (21) and a lockstep monitoring core (22). The main function core (21) is configured to obtain sampling data, and when any one of the sampling data, a running status of the main function core (21), a motor control signal, and a running status of a motor is abnormal, the lockstep monitoring core (22) outputs a safety trigger signal; and the safety logic module (30) is configured to output an instruction for prohibiting execution of the motor control signal to the motor drive module (10) when receiving the safety trigger signal.
Abstract:
A motor control system and a motor control device are provided. The system includes a master control module, a drive module, and a monitoring module. The master control module is configured to output a low-voltage drive signal to the drive module, the drive module converts the low-voltage drive signal into a high-voltage drive signal and outputs the high-voltage drive signal to a power unit, and the power unit outputs, according to the high-voltage drive signal, a power supply drive signal provided by a high-voltage battery. The monitoring module is electrically connected with the master control module and the drive module, and is configured to acquire the low-voltage drive signal, and output a fault signal to the master control module when the low-voltage drive signal is abnormal, to control the master control module to stop outputting the low-voltage drive signal. The monitoring module includes at least an auxiliary power supply, and the auxiliary power supply is independent of the master control module and provides a working power supply for the monitoring module.
Abstract:
A device and a system for diagnosing a motor parameter are provided. The device includes a master chip, an excitation conditioning circuitry, a motor resolver unit, and a sine and cosine conditioning circuitry. The master chip includes a first analog-to-digital converter, a second analog-to-digital converter, a first processing unit, and a monitoring core.
Abstract:
A motor control system and a vehicle. The motor control system (1) includes a main control unit (10), a power supply unit (20), and a driving unit (30). The main control unit (10) is configured to: obtain sampling data of a motor and a power supply signal from the driving unit (30), generate a motor control signal according to the sampling data, and output a safety enable signal when determining that motor drive is abnormal according to the sampling data or when determining that power supply to the driving unit (30) is abnormal according to the power supply signal. The power supply unit (20) is configured to: supply power to the main control unit (10), monitor a state of the main control unit (10), and output a safety cut-off signal when the power supply unit (20) or the main control unit (10) is abnormal. The driving unit (30) is configured to: drive the motor according to the motor control signal, and switch to a safe path when receiving any one of the safety enable signal or the safety cut-off signal.
Abstract:
A power system for an electric vehicle, an electric vehicle and a method for charging a power battery are provided. The power system includes: a power battery (10); a charge-discharge socket (20); a bidirectional DC-DC module (30); a driving control switch (40); a bidirectional DC-AC module (50); a motor (M); a motor control switch (60); a charge-discharge control module (70); a battery manager (108); and a control module (80) configured to control the driving control switch (40), the motor control switch (60) and the charge-discharge control module (70) so as to control the power system to enter a charge-discharge mode, and to control the power battery (10) to charge and discharge in a pulse mode so as to heat the power battery (10) when the temperature of the power battery (10) is lower than a predetermined temperature.
Abstract:
The embodiments of the present disclosure provide an IGBT module, a motor controller, and a vehicle. The IGBT module includes a wafer, a first heat dissipation plate, and a second heat dissipation plate, the first heat dissipation plate and the second heat dissipation plate being arranged on two sides of the wafer in a thickness direction respectively, multiple first heat dissipation pins being arranged at intervals on a side of the first heat dissipation plate facing away from the second heat dissipation plate, and multiple second heat dissipation pins being arranged at intervals on a side of the second heat dissipation plate facing away from the first heat dissipation plate; and an insulating waterproof housing, the insulating waterproof housing covering a portion of the wafer exposed from the first heat dissipation plate and the second heat dissipation plate.
Abstract:
A motor control system and a vehicle. The motor control system (10) includes: a vehicle control unit (110), configured to obtain vehicle state data and output an instruction for cutting off motor output torque when determining an unexpected power transmission failure according to the vehicle state data; and a motor controller unit (120), connected to the vehicle control unit (110), and configured to stop outputting motor control torque in response to the instruction for cutting off motor output torque.