State of the art DSP based system
Stabilised and balanced output at 415 V and 50 Hz with minimum distortion
Eliminates the need of special auxiliary motors thereby reducing the cost of auxiliary motors
Near unity power factor achieved using 4 quadrant front end converter
Maintenance free, being fully static
Less noise
Event and data logging facility helps in fault diagnostics
Electrically and functionally one to one replacement of Arno Converter
Online monitoring
Controlled battery charger with galvanic isolation between converter and battery
Eliminates the disadvantages of rotary converter
Optical link between DSP and power devices

A modular concept, in which, each module serves a specific power and control function
Designed to give 200 kVA with VVVF and 100 kVA with VVCF
Designed to sustain wide input voltage and frequency variations
Thyristor controlled rectifiers
Independent phase modules of inverter combined to build a 3-phase inverter
Protection against over voltages in the DC link and at the input
Microprocessor based electronic rack for controlling and monitoring the functioning of the power modules
Communication between converter and the vehicle control unit through MICAS-52
Cooling within the cubicle through internal fans
Easy to maintain and lower life cycle cost

State of the art DSP based system
Stabilised and balanced output of 750 V and 50 Hz with minimum distortion
Power factor close to unity achieved using Four Quadrant (4Q) front end converter
Event and data logging/ debugging using USB / CAN / RS232 / RS485
Online monitoring for fault diagnostics
Data modem for remote feed back of status
Optical link between DSP and power devices
Maintenance free, being fully static and moduler construction
Less noise

Developed Underslung Static Converter IGBT-based 25kVA in technical collaboration with Hyundai Heavy Industries Co. Ltd., South Korea. The product, exclusively developed for railway passenger coaches.

Battery Charger 6.5 kW with integrated SMPS technology. The product has a proven track record of reliability in performance under varying conditions.

Pre-cooling Unit Cum Charger IGBT based front end 30kW. The DSP based system works in four different modes to meet the requirement of SGAC coaches for Indian Railways.

State of the art DSP based system
Stabilized and balanced output (6 – 12 V DC adjustable)
Wide DC input variation (500 – 990 V DC) including 4.5% ripple and safety margin
Maintenance free, being fully static
Low noise level
Underslung structure with IP65 protection class
On line monitoring
Event and Data logging facility
Output galvanically isolated from input
Natural cooled