Power electronics and regulation 

• Controlled and uncontrolled rectifiers without power limitation
• AC inverters without power limitation
• Anchor converters for ss machines
• Start-up controllers for asynchronous drives
• Regulators of traction machines with automatic positioning
• Development and production of regulators for special use

Electric drives

• MV and HV substations
• Delivery electric drive including regulation
• Synchronous motor excitation
• Measurement of mechanical quantities
• Reactive power compensation
• Filter compensation devices

 Station battery chargers and affiliation

• Transistor chargers
• Thyristor chargers
• Overvoltage and undervoltage protection of station batteries
• Diode summing logic
• insulation monitoring systems

Compensation and filtering devices

• Deliveries of new HV and LV compensating and filtering devices
• Reconstruction of compensation devices LV
• Production and supply of compensation batteries
• Calculations, proposals and solutions in the field of compensation and filtering