Public Health Engineering Department Tender

Installation of above supplied Stabilizer by supplying all required materials with socket, gland, fittings etc. by skilled technical personnel as per requirement with making double eathing arrangement of the stabilizer in complaince with IE rules by G.I pipe electrode of 50mm dia 3mtr. long of 2 nos quantity by suitable GI strip / bar with all other accessories reuired to complete the work as per direction of EIC with commissioning earthing building. [For PH No - I, II & III] [N.B: (1) Pump data is to be confirmed with the yeild test report of the tube well. (2) Third party inspection of the work is mandatory as per guidelines of NJJM and direction of EIC without any extra cost. (3) Drawing, design and make of the materials are to be approved from the EIC before procurement.]

Add: GST @ 18% on sum of Item No: 1.00 to 4.00

Supply and delivery at site of 15 KVA, 3phase, oil cooled type Servo Motor operated copper wound line voltage corrector conforming to IS-9815 (Pt.-1)- 1994 suitable for un-balanced input voltage with following specification including first filling oil as per IS-335 where applicable. a) Input Voltage:- 3 phase, Main supply may or may not be balanced with respect to Phase to Phase- 200V-500V Phase to Neutral-115V-290V. b) Output voltage:-3 phase balanced output voltage. Phase to Phase- 400Vor 415V± 1%, Phase to Neutral- 230V-240V ± 1% (Provision should be made to adjust the Variation of output voltage per phase by a variable pot oil within ± 5% of output). c) Line regulation:- Out put voltage should remain well with ±1% of set voltage (From Minimum to Maximum i.e. either 400V. or 415V. Supply variation). d) Load regulation : Output voltage should remain neutral well within ±1% of set voltage be ( From no load to full load ) i.e. either 400V. or 415V. e) Correction speed:- Better than 35 Volt / Second. f) Efficiency:- Better than 95% on full load. g) Cut off limit (minimum &maximum ) by limit switch with Audio & Visual. h) Metering Indication:- By Selector switch provision should be made available to measure input mains supply and output voltage other stabilizer for load current measurement an Ammeter with selector switch should be available. i) Lamp Indication :- For Input & Output should be provided. ( 3 lamps per side ). j) MCB Protection: For Input side. k) Load protection : HRC Fuse on each output phase should be available l) Output over shoot:- Beyond 210V to . 255V /phase in case of “ MANUAL MODE” & voltage protection :AUTO MODE” operation. m) VISUAL Indication for under voltage & over voltage of output. n) Manual Mode:- Up & Down correction with O / P voltage over shoot protection. Beyond 210 V-255 V. per phase. o) Nature of cooling:- Oil cooled system. p) Electric current over load protection . q) Circuit for delay output . r) Input high voltage cut-off above 500 V. s) Mode of Operation:- AUTO/MANUAL with a provision to restore the normal working of the unit “STANDBY OPERATION” should be available in case of any Electronic failure in auto mode.