Electric motor car control apparatus
View Patent ↗An electric motor control apparatus including an inverter which drives a motor of an electric motor car, storage unit for storing energy for the motor, and a converter which is connected to the storage unit, the inverter comprising detection unit for detecting a power value of the motor, and transmission unit for transmitting the power value detected by the detection unit to the converter, and the converter comprising calculation unit for receiving the power value transmitted by the transmission unit, and calculating an absorption current on the basis of the received power value, and control unit for controlling the storage unit on the basis of the absorption current calculated by the calculation unit.
1. An electric motor control apparatus comprising an inverter which drives a motor of an electric motor car, storage means for storing energy for the motor, and a converter which is connected to the storage means,
the inverter comprising detection means for detecting a power value of the motor, and transmission means for transmitting the power value detected by the detection means to the converter, and
the converter comprising calculation means for receiving the power value transmitted by the transmission means and calculating an absorption current on the basis of the received power value, and control means for controlling the storage means on the basis of the absorption current calculated by the calculation means,
wherein the detection means detects the power value of the motor from velocity information of the electric motor car, motor torque information of the motor, and charging voltage of the storage means.
2. An electric motor car control apparatus comprising an inverter which drives a motor of an electric motor car, storage means for storing energy for the motor, and a converter which is connected to the storage means, wherein
the converter makes an operation start voltage set value of a filter capacitor voltage upon regeneration limiter control by the inverter coinciding with an operation start voltage set value of a filter capacitor voltage of the converter;
the converter controls the storage means on the basis of a command from the inverter, the command being regeneration brake force choke amount information from the inverter; and
the converter corrects an operation start voltage set value of the filter capacitor voltage on the basis of the regeneration brake force choke amount information.
3. An electric motor car control apparatus comprising an inverter which drives a motor of an electric motor car, storage means for storing energy for the motor, and a converter which is connected to the storage means, wherein
the converter makes an operation start voltage set value of a filter capacitor voltage upon regeneration limiter control by the inverter coinciding with an operation start voltage set value of a filter capacitor voltage of the converter;
the converter controls the storage means on the basis of a command from the inverter, the command being an operation command from the inverter on the basis of regeneration brake force choke amount information; and
the converter calculates an absorption current to be output, the storage means being controlled by the calculated absorption current.