Our Expertise More
Permanent Magnet Motor/Generator Controllers
System Engineering* Motor/Generator BEMF and High Voltage DC Bus Control Compatibility
* Motor/Generator and Controller Compatibility Evaluation and Optimization * Torque Speed Curve Characterization and Torque Ripple Analysis * Constant Power Load and System Stability Analysis and Design * Load Transient and System Performance Characterization and Verification * Power Conversion Efficiency Mapping * Electrical and Mechanical Interfaces * Design for Operating Environments |
Digital Power Control* 32 bits Embedded MicroController/DSP
* Field Oriented Control * Non-linear Elements Decoupling for High Performance Operation * Bidirectional Torque Control * Motoring Speed Control * Motoring Engine Start * High Voltage DC Bus Voltage Regulation for Generator Operation * High Voltage DC Bus Soft Start and Charging * Power Factor Control and Field Weakening * Feed Forward Control and Compensation * Sensor/Sensorless Operation |
Power Electronics* Power Circuit Architecture
* IGBT/MosFet Switching Characterization and Power Loss Analysis * IGBT/MosFet Junction Temperature Evaluation and Coldplate Design * IGBT/MosFet Gate Drives Design and Control Interface * Power Inductors Design and Thermal Evaluation * Common Mode and Differential Mode Filtering * Laminated Bus Structure |
EMC/EMI Compliance Design* High Frequency Switching Noise Control and Filtering
* Switching Noise Spectrum Analysis * Design for Immunity * Common Mode and Differential Mode Filtering * E-Field and Magnetic Field Shielding * Mil-std-461E * IEEE-std-519 |
Thermal Management* Coldplate Design
* Thermal Resistance and Coldplate/Heatsink Sizing * Power Semiconductor Junction Temperature Analysis * Power Magnetics Temperature Evaluation and Verification * Worst Case Temperature Control for Improving Lifetime |
Diagnostics and Communications* Fault Status
* Operating Variables Readback * User Interfaces * CAN Bus Communications * Serial Communications |
Safety Protections* Over Speed, Over Voltage, Over Current, Over Power, Over Temp
* Under Voltage * Ground Fault * Phase Imbalance and Loss Phase * Gate Drive De-saturation * Fault Isolation * More |
Advanced Packaging* Low Parasitic Laminated Bus Structure
* Effective EMI Noise Shielding and Filtering * High Power Density Design and Power Magnetics Optimization * High Performance Coldplate Integration with Low Pressure Drop * Robust Mechanical Structure Design for Shocks and Vibrations * IP-67 Design * Light Weight, Small Volume, and High Power |