Replacement of old / damaged voltage stabilizer installed in Administrator Camp office building sector-27 HSVP Gurugram.

NS) S/E of 50 KVA digital voltage stabilizer Torridly wound variable auto transformer for linear control and greater efficiency (internationally accepted) complete in all respect upto the entire satisfaction of Engineer-in-charge of work. Make- V-Guard,Microtek,Luminous,Servomate. Drive Direct AC drive for fastest voltage correction and durability (without any chain, sprockets and rail of pulleys) Controls All the three phases controlled individually for better voltahge and load management. Applicable standard : IS 9815 Frequency : 50 hz Input voltage Range : 330V-470V P2P / 190-270V P2N Output voltage : 415V plus /-1% Duty cycle : Continuous 24x7 Wave form distortion : Nil Ambient temperature : 52 Degree Celsius Response time : Less than 10ms Suitability : suitable for all power factor loads Cooling : Oil Cooled Efficiency : 99% Correction speed : Faster than 20V per sec Mode of operation : Auto / manual Major Assembly 3 Nos variable auto transformers one for each phase 3 Nos heavy duty AC synchronous motor for individual phase correction 3 Nos copper dimmers 3 Nos control circuit for individual phase control Winding and wiring material Input/output termination Standard fittings a) Two Nos earthing terminals b) Cable end boxes for incoming and outgoing side for terminating cables Salient features “1C” based solid – state, relay less, front-loading plug in control cards for easy online serviceability. Output voltage adjustable plus 6% of set voltage from front panel (Meters on front panel for easy monitoring of input and output voltage alongwith limit indicators.) Provision for Auto/manual control from the front panel, wide ( Ambient temperature operation from -20o C to 50 o C.