supply of laboratory and scientific equipment as per tender document , laboratory and scientific equipment , dc-dc bidirectional buck boost converter for ev charger with controller (details as per sl no 1 at annexure-b). , single phase, 5 level diode clamped inverter with inbuiltfpga controller(details as per sl no 2 at annexure-b). , single phase, 5 level cascaded symmetric h-bridge inverters with inbuilt fpga controller (details as per sl no 3 at annexure-a). , study of vi characteristics of scr, triac, igbt and mosfet (details as per sl no 4 at annexure-b). , study of single-phase full wave-controlled rectifier circuits and semi converter (mid-point and bridge type) with r and r-l load.(details as per sl no 5 at annexure-b). , dc-dc buck boost converter(details as per sl no 6 at annexure-b). , power factor correction (pfc) based setup and applications in smps boost converter with power factor correction(details as per sl no 7 at annexure-b). , three phase scr based full wave rectifiers.(details as per sl no 8 at annexure-b). , 3-phase shunt active power filter (sapf)(details as per sl no 9 at annexure-b).