W. S. Test Systems Private Limited (WSTS) was established during 1984 at Bangalore as a joint venture between W. S. Industries (India) Limited, Chennai and MWB Messwandler-Bau AG, Germany. The objective of making available high voltage test and measuring equipment of International Standards at competitive prices to various segment of users in India and Abroad. The company has established itself as a leading manufacturer of High Voltage Test and measuring equipment in India. It is currently engaged in the production of high voltage construction kits and related instrumentation - popular among research / training institutions and medium voltage power equipment manufacturers all over the world.
Besides manufacturing the multifunctional AC/DC/Impulse High Voltage construction kit up to 420kV, the company acquired the technology from Passoni & Villa , Italy and now manufactures special high voltage AC cascade transformers up to 800kV, PD free Coupling/Measuring Capacitors up to 800kV, SF6 Standard Capacitors up to 400kV, Impulse Voltage Generators up to 3000kV, Impulse Current Generators up to 150kA, HVDC test sets up to 1200kV and Measuring Sphere-gaps up to 1000mm dia. strictly conforming to the relevant IS/IEC Standards.
From the beginning, WSTS has been actively engaged in evolving new design for test equipment to cater to the specific customer requirements for their testing needs from Medium Voltage up to UHV system voltages.