providing transformer for 2 no 45 hp motor in harsaru ward 2 div 1 mcm

Supply, Installation, Testing and Commissioning of 11kV Supply, Installation, Testing and Commissioning of 11kV compact secondary substation suitable for Outdoor installation with natural cooling, having type tested equipment`s comprising of Dry-type distribution transformer and SF-6 insulated compact switchgear enclosed in robotically sealed stainless steel tank, low-voltage switchboard, inter connection between HT switch gear and transformer using cable sand transformer to LT-switchgear using aluminum busbars, factory built ready for connection type, internal GI earthing provided complete with other associated equipment`s etc. complete as requiredconformingtoIEC62271-202andrelevant IS or international specifications, as regards to design, manufacturing, type-testing, routine-testing and operator safety (IACAFLR). The enclosure shall have modular construction using G.I. Sheet and shall be powder-coated from exterior. The Transformer compartment will have IP 23 ingress protection, whereas the HT/LT compartment will have IP-54 protection. The 11kV Outdoor Compact Sub-Station shall be consisting of following : HT SWITCHGEAR 11 kV 630 Amps 20 kA for 3 sec. and tested for 20kA/ 1sec internal arc, SF 6 insulated Non-Extensible Compact switch gear consisting of One No. Direct Module for Incomer and one No. of Fixed Manual Vacuum Circuit Breaker inSF6 insulated Stainless steel enclosure with series trip, self powered microprocessor based numerical over current and Earth Fault (IDMT plus Inst.) relay protection along with. Interconnection between HT switch gear and transformer shall be using 3C x 240 sq.mm Al. armorured XLPE Cable 1 Set Spring charge / discharge mechanical OFF push buttons for emergency trip (test / service position limit switches with 6 NO/6 NC breaker auxiliary contacts in service position and The cubicle shall be of LSC2B (Loss of Service Continuity) and PM( PartitionClass) classes as defined by IEC standard 62271-200. And it shall comprise three high voltage compartments and one LV cabinet CT chamber with single wound single phase, dual core cast resin CT,15VA burden with core-1 for metering (CL 1) andcore-2 for protection (CL-5P10) and of 110/5 plus 5A ratio. Wireless communication energy sensor that monitors and measures energy and power in real-time is required so that can count on operational efficiency and uptime. Microprocessor based relay, IDMT, Time delay with 3 elements for over current (50-200%) and1 element for earth fault protection (10-40%) -1 Set Anti pumping relay and master trip relay- 1 Set Digital Ammeter with selector switch.-1 Set Aset of breaker ON/OFF/Trip/DC control supply/ Spring Charged indication lamp. 1 Set Emergency trip push button on front door 1 Set Limitswitcheswith6NO/6NCbreakerauxiliarycontacts 1 Set Control:- T-N-C (Trip, Neutral, Close) breaker control switch. 1 Set Space heater with thermostat for moisture absorption. 1 Set Hooter low intensity 24 Volt with acknowledge and reset push button 1 Set 6-window microprocessor-based annunciation panel with audio and visual indicator. Over current and earth fault - 2 windows Master trip operated - 1 window Surge Arrestor, 10KA, Class II 1 Set Thermal monitoring shall be fitted on HV field cable/busbar connections, The monitoring shall be done by a battery less sensor that communicates wirelessly using Zigbee Green Power protocol. TRANSFORMER 160kVA continuous duty cycle,11kV/433V, 3phase, 50Hz, Dyn-11vector group, step down, copper wound, dry type Resin Casted transformer complete with ON load tap changer and with all accessories, including winding temperature scanner with alarm and Trip contact, fittings and conforming to specifications. Tap changing range shall be plus 5%to-15%in steps of 2.5%Transformer shall meet ECBC norms on NO LOAD and ON LOAD power losses. Winding Temperature indicator with Alarm and Trip Contact…..1Set, Temp Rise-Oil/Winding 40/50 deg cel, NL/FL Losses = 1.4/14 KW (Subject to IS Tol.), Impedance 5% (Subject to IS Tol.) Level 2 .....1 Set c) LV SIDE 1 Nos. 250A, Automatic Transfer Switch with integral protection d) OUTDOOR ENCLOSURE Outdoor type enclosure with slanted roof and having construction of Galvanized Sheet Steel of thickness 1.5/2mm. The enclosure shall be type tested for IAC20 kA/ 1 sec AB class as well as impact test as per IEC 62271 202 or international standards with reports not later than 5 years. The Enclosure shall have IP54 degree of protection for HT and LT switch gear compartment and IP 23 degree of protection for Transformer compartment with transformer compartment thermal class of K-20 as per latest IEC. The enclosure shall be Powder Coated (Color Light Grayand D.A.Gray ). Each compartment will be provided with the door and pad locking arrangement. The Compartment illumination lamp with door operated switch shall be provided for each compartment.....1 Set e) INTERCONNECTION AND EARTHING Inter connection Between HT switchgear andTransformer using 3C x 240 Sq.mm XLPE Three core cable and Inter connection between Transformer and LT switchgear using Aluminium Bus bars. Internal earthing connections by using 50 x 6 mm GI strips…...1 Set