Improvements to APFC panel arrangements to the Government Branch Press in Ramasamy Muthammal Mandapam at Tiruppur in Tiruppur District.

Design, Supply, Erection and testing of 100kVAR, 415Volts, 50Hz, 3phase, 10 stage switching sequence power factor correction Floor mounting dust and vermin proof cubicle panel board made of 16SWG CRCA sheet steel with 1 1/2 " x 1 1/2" 1/2" AI Frame work with RCC concreting foundation and bolted to masonry pedastal with supply and fixing of the following interior mounting capacitor chamber, Solid state relays with TM2 technology, with metering chamber and compartmentalised outgoing feeders with suitable capacity MCCB of 250A rating with rotary handle for incoming, with provision for louvers and cooling fan for proper ventilation to manage heat load. Outgoing capacitor bank consits of 10 stages with MPP Capacitors ranging from 2.5kVAR to 20kVAR as detailed below: 1.stage - 2.5KVAR 2.stage- 2.5KVAR 3.stage- 5KVAR 4.stage- 10 KVAR 5.stage- 10KVAR 6.stage- 10KVAR 7.stage- 15KVAR 8.stage- 15KVAR 9.stage- 20KVAR 10.stage- 20KVAR Bus bar: 1run of 50mm x 6mm tinned copper Metering: 1) 0-500A Ammeter with CT coil 2) 0-500V Voltmeter 3) R, Y, B indicators 4) Advanced micro controller based intelligent power factor controller with self diagnostics sensing and digital network analysis with software for momentary and saving parameter using a suitable multi-function meter and display to show the following parametes. a)Vr-R Phase Voltage b).Vy-Y Phase Voltage c).Vb-B Phase Voltage d) Ir-R Phase Current e). Iy-Y Phase Current f). Ib-B Phase Current g.) kW - Present Kilo watts h.) RkVA - Present Reactive kVA Demand i.) kVA - Present kVA j.) pf - Present Power Factor k). Number of capacitor bank ON/OFF l). Provision of indicate the imbalanced load m.) Provision to indicate the change in phase sequence n.) The APFC Panel should also have built in protection for current imbalance. o). High voltage / low voltage cut off, single phase preventer, provision for inductor coil to cater in-rush currents, line surges, current limiters, current sensor, etc, with connection complete and as per the relavant IE rules.

Supply and clamping of 3 ½ x 150 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps

Supply and fixing of brass cable gland for 3 ½ x 150 sq.mm. PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3 ½ x 150 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Supply and Run of 1 of No.8 SWG copper wire in suitable PVC rigid pipe on wall / floor / ground for earth connection

Earthing as per the ISI specification with an earth electrode of 2.10metre Class'B' GI pipe of dia not less than 40mm with copper earth plate of size 125mmx50mmx6mm with necessary funneling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry