Alstom MV7306P22 Medium Voltage Drive

Alstom MV7306P22 Medium Voltage Drive

VFD rated value

Output power: 3-81MW, capable of meeting the power requirements of industrial applications of different scales, suitable for both small equipment and large industrial installations.

Output voltage: up to 13kV, covering various commonly used voltage levels such as 3.3kV, 5.2kV, 6.6kV, etc., suitable for motors with different voltage requirements.

Output frequency: The standard range is 15-90Hz, and can support 0-15Hz and 90-300Hz under special requirements to meet the speed regulation needs of different devices.

Input voltage: 3 to 13.8kV ± 10% when active front-end without transformer (AFE Txless); When there is a transformer, it is 3-650kV and can adapt to various power supply networks.

Input frequency: 50 or 60Hz ± 5%, compatible with common grid frequencies.

Auxiliary voltage: three-phase voltage is 400V, 440V, 480V or 600V; single-phase voltage is 110V, 230V, with a frequency of 50/60Hz, providing stable power for internal circuits and auxiliary equipment.

power quality

Line side converter: Provides two configurations: DFE 12 to 36 pulse and AFE IGBT 6 pulse, effectively controlling input current harmonics and reducing interference with the power grid.

Load side inverter: using 3- or 5-level voltage source inverter (VSI) and IGBT technology to ensure stable output waveform, reduce motor losses and noise.

VFD system efficiency: up to 99%, reducing energy waste, improving energy utilization efficiency, and lowering operating costs.

Power factor: greater than 0.96 in DFE configuration and 1 in AFE configuration, improving grid utilization and reducing reactive power loss.

Input harmonics: comply with IEEE 519 standard, limit harmonic content, and ensure the quality of power supply in the grid.

Energy storage: The DC link adopts self-healing and long-life thin film capacitors, which can effectively store and release energy, stabilize the DC bus voltage, and improve the dynamic response performance of the system.

VFD control

Operation mode: Supports four quadrant operation, can achieve forward and reverse rotation of the motor and energy feedback, suitable for application scenarios that require frequent braking and energy recovery.

Control mode: Equipped with magnetic flux vector control mode, it can choose to operate without encoder or with encoder, suitable for induction motors and synchronous motors (optional), achieving high-precision speed and torque control.

Analog input/output: The standard configuration includes 3 inputs and 3 outputs, with a signal range of ± 10Vdc or 4-20mA, and can be connected to various analog sensors and actuators.

Digital Input/Output: Provides 6 inputs and 6 outputs for connecting digital devices to achieve logic control and status feedback.

Speed regulation: The speed regulation accuracy is less than 0.5% without an encoder and less than 0.1% with an encoder, meeting the requirements of high-precision speed regulation.

LAN interface: The standard configuration includes Profinet, Modbus, Ethercat, IEC68150, and optional Profibus, DeviceNet, EGD, etc., which facilitates communication with the upper control system and enables remote monitoring and control.

Protection function: It has overcurrent, current limiting, overvoltage and undervoltage protection, as well as motor stalling protection to ensure the safe operation of the equipment under abnormal conditions.

Environment and shell

Shell protection level: The standard is IP31, with optional IP33, IP44, etc. Other protection levels can be customized as needed to adapt to different installation environments, such as indoor, outdoor, and places with dust or liquid splashes.

Environmental temperature/altitude: The working environment temperature is 0-45 º C and the altitude is below 1000m; When used at higher altitudes, the rating needs to be reduced to ensure the normal operation of the equipment.

Insulation coordination: The pollution level is 2 (compliant with EN 61800-5-1 and EN 50178 standards), ensuring electrical insulation performance in different polluted environments.

Industry standards

Compliant with IEC 61800-3, IEC 61800-4, IEC