Tender For corrigendum : repairs/maint of isolationtransformers, voltage stabilizers, earthging system and allied works at afs kalaikunda under ge (af) kalaikunda
Tender For supply, testing, installation and commissioning of pure sine wave 10 kva online ups with 180 ah, 12 volt battery bank consisting of 16 nos batteries along with battery rack. back up time 180 minutes minimum. switching technology: igbt-pwm. with inbuild isolationtransformer. input voltage: ac single phase 160v-260v output voltage: ac single phase, 230 volt, 50 hz. protection for under voltage at battery terminal, short circuit & overload at ups output terminal, overload limit: 20% overload for minimum 10 minutes, 50% overload for minimum 1 minutes, 50% overload for minimum 3 second. additional 16 nos batteries with same rated capacity and specification as above along with battery rack to be provided as spare battery bank. battery type smf-vrla(make-as per mii policy) [ warranty period: 30 months after the date of delivery ]
Tender For corrigendum : urgent repair and roof treatment work at utility block electrical sub station , transformer room , panel room , generator room and inside part of main building roof beside of lift machine room of roopkala kendro, block gm , sector v , salt lake - - urgent repair and roof treatment work at utility block ( electrical sub station , transformer room , panel room , generator room) and inside part of main building roof (beside of lift machine room ) of roopkala kendro, block gm , sector - v , salt lake city kolkata- 700091. under bidhannagar east division
Tender For corrigendum : providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - repair, replacement & maintenance work of instrument like dvdf, oven, ht/lt binding machine,etc. at different transformer repairing workshop/centre under ewd prayagraj.
Tender For supply, installation and commissioning of online ups with inbuilt isolationtransformer suitable for single phase ac input and single phase ac output,floor mounted type.rating of ups 5.0 kva,indicative back up time :120 minutes including all accessories and input,output power cables with 03 years warranty including battery.