Signotron has research and development experience of more than 35 years in the field of Power Electronics , Embedded Electronics and control for rolling stock and Industrial application.In this journey , Signotron developed expertise in many domains in Electronics and Electrical Engineering fields. For SMPS and Battery charger applications Buck , Boost , Buck Boost , Flyback , Pushpull , Forward , Bridge , dual active bridge topologies are used in hard switching and soft switching mode as per requirement . For Inverters and VVVF AC Motor drives Flyback , Half Bridge and single phase , three Phase Bridge topologies are used . . .
Public Address and Passenger Information System (PAPIS) and End of Train Telemetry System (EOTT)
Underslung Regulated Battery Charger cum Emergency Battery chargers for all types of LHB coaches
SMPS based power supply panel for S & T
12 kW Battery charger for Electric Loco with IGBT based front end
Underslung regulated battery chargers for all types of LHB coaches
Compact Emergency Inverter for HVAC systems for Metro Railways
Active Harmonic filters in industries for improving power factor to near unity and reduction of current harmonics
SignoFlex EV20 SMPS for E rickshaw Battery charging
180 KVA Auxiliary Converter for electric locos
SignoFlex (HFC 6-3) Battery Charger
Turnkey solution for DC systems in power utility
Solar Power Plant designing & installation
Emergency Inverter for HVAC systems for Metro Railways
25 KVA Inverter for SGAC coaches of Indian Railways
Output paralleling of grid-interactive 3 phase solar inverters
Web-based remote monitoring and control (SCADA) for solar inverters
Grid-tied Solar Inverter up to 100 KW rating introduced
Static VAR compensator for Power Factor improvement, introduced
IGBT based Battery Charge / Discharge panel with active PFC up to 70 KW
28 KW naturally-cooled Battery Charger with active P.F.C. for SGAC coaches of Indian Railways
Supplied more than 1000 units to Indian Railways to date
Thyristor based Battery Charger with regenerative Discharging for VRLA batteries up to 70 KW
Commencement of Bulk Production of 3 phase Compact drives. Now full diesel fleet of Indian Railways has been installed with such compact drives. Total field population around 14000 as of date
Field trials of small AC Motors with Built-in Inverters by Indian Railways for 100% replacement of existing small DC Motors
Prototype unit for 3 phase Compact drive for Pump and Blower Motors for Diesel Locomotives in place of DC Motors
Inverters 0.5 KVA to 5 KVA for Pantry Car applications
5 KW DC-DC Converters for Hotel load applications of Diesel Locomotives for Sri Lanka Railways
Diversified our scope to Power Electronics products in Indian Railways' Rolling Stock.
MOSFET based Voltage Regulators for Motor Generator Sets of DC EMUs, in Indian Railways
Developed energy-efficient electronic lamp ballast for Railway Coaches
DC-DC Converter for Head Light Application in Indian Railways in place of Rheostat controlled headlights
The company's major thrust had been in manufacturing specialized Industrial Control products for Burner and Pollution Control- UV Flame Detector and Amplifier and a Microprocessor-based Back Feed Sequence Controller. Having more than 10000 installations in India and abroad, the above products were supplied in Steel and Cement Plants, Oil refineries and Chemical Industries
At Signotron, we endeavour to constantly upgrade to achieve future growth and maintain the highest quality of our products and services, and we do so.
We aim at the #1 position in the industrial and power electronics field in India. Our foremost priority is to comply with all statutory and regulatory requirements of our valued customers and continually improve the effectiveness of our quality management system as per the international standard ISO 9001: 2015.
We have established and regularly review our Quality Objectives based on this Quality Policy, ensuring that this policy is communicated to and understood by all within the organisation and relevant interested parties.
Signotron Tower Plot J1-6, Block - EP, Sector - V, Salt Lake Electronics Complex, Kolkata - 700 091