Augmentation of Power Supply. SH HVAC panel, LT panel, Hybrid

Amount

Controller- The system shall have integrated DSP controller based for Active and Passive section and shall be able to sense the reactive current requirement of the network and shall switch ON/OFF the required stages of a capacitor bank.

The Hybrid Power Factor Correction panel shall comprising of following:

Main Incomer MCCB 1 No. of 630 A Microprocessor based release FP MCCB with inbuilt O/C, S/C & carth fault protection (lcs = lcu = 25 KA) with 1 Set of Digital flush type caliberated Intelligent multifunction meters (with communication port) suitable rating class - 1.0 accuracy, showing V. A. PF, KW, KWH, Total harmonic distortion with 3 Nos. current transformers of dual core CT's of suitable Amp. ratio, 15 VA Class 1.0 metering, Tinned copper Spreader links, Phase barrier both side and extended rotary handle of circuit breaker complete with Interconnection. onnections etc.

Bus Bar: Electrolytic high conductivity Aluminium extensible three phase and neutral busbars rated at 800 amps auxiliary Bus Bars of suitable capacity insulated with heat shrinkable coloured PVC sleeves & clip on shrouds for joints having a maximum current density as per indian standards suitable to with stand symmetrical fault level of 36 kA at 500 volts i/e polyamide bus bars supports at required intervals complete for cross section, size supports & their spacing etc. The neutral busbar is to be 100% of phase bus-bars.

Hybrid Solution of Active filter of 400A and Passive component of 200kVAr: 1 nos of 400A, Active harmonic filter with 400Amp, FP 35kA (Ics-Icu upto 433 V), MCCB with inbuilt O/C, S/C & E/F protection and 400A, TP, AC3 contactor. 6 nos x 33.1 kVAr @ 525V with output of 25kVAR @ 415V, de-tuned MPP Heavy duty capacitor bank with 100A, 3P, MCCB 35kA (les-leu upto 433 V) with inbuilt O/C, S/C & E/F protection. Each capacitor bank shall have 50 kVAR thyristor switching module and 110A Semi-conductor HRC Fuses. 4 Nos. 50 kVAR, 14% copper Detuned reactor. Integrated Digital signal Processor (DSP) controller which shall control both the capacitors as well as Active Filter. The Solution should have surge arrestors 100kA and over temperature protection > 45 deg C. The system should be with compatible with Grid Power or D.G. Power Supply.

The capacitor banks should be of type tested design and temperature rise test report of the capacitor bank performed at an independent laboratory should be submitted. HPFC PANEL-400 Amp. APF3N + 200 KVAR Panel as described above.

HPFC Panel - 400 Amp. APF3N + 200 KVAR Panel as described above.

Electrical PANEL Design, Manufacture, Supplying, Transport to the site, Receiving, Unloading, Shifting to various locations, handling, assembling, installation in correct aligned position, grouting with dash fasteners, GI nuts-bolts, testing and commissioning of the following bolted fabricated in compartmentalized conform to IS: 8623/1993, Suitable for 415V, 3Phase, 4 Wire 50 Hz Ac supply, are housed in design from CRCA sheet steel of 2mm thick for frame work and covers, 3mm thick for gland plate, bottom base channel of MS section not less than 100mmx 50mmx50mmx 5mm thick for Main L.T. Panel etc., incl. cleaning & finishing complete, SMC bus bar supports, with short circuit withstand capacity as mentioned in respective panel item, fabrication shall be done in transportable sections and all front and back doors shall be hinged type and earth with frame. Entire panel shall have a common copper continuous earth bar of size 40mm x 6mm or as specified below at the rear wip controller by 2 Amp SP MCB including all features of electrical & mechanical interlocking with incomers & bus coupler. 2 Nos. earth stud each side, solid inter connections from main bus bar to switch gears upto cable alley with required size. bus bars and insulated control wiring with suitable size of FRLSH PVC insulated copper conductor cable, cable alleys, cable gland plates in two half, incl. providing following switch gears. Note: Necessary modification shall be carried out in existing HVAC panel to connect with new HVAC panel. Nothing extra shall be paid.

The Bus bars will be electrolytic grade E91 Aluminium. Panels will be powder coating (60-80micron as per IS:13871 for indoor and 90-100 micron for outdoor), include one size higher terminal block in cable alley and interconnecting wires between bus bars and terminals.

INCOMING 1 Nos. 800 Amps four pole electrically operated fully drawout type air circuit breaker (50kA) with built in microprocessor based release unit protection for short circuit, over current and earth fault protection with adjustable setting as per specification and each incomer with following accessories:

1 Set of RYB phase indicating LED lamps controlled by 2 amp MCB.

1 Set of 'ON', 'OFF','TRIP & TCH (Trip circuit healthy) LED lamps controlled by 2 amp MCB.

1 No. Digital MFM meter and 3 nos. Cast resin CTs of ratio 2500/5A , Class 0.5 accuracy and 15 VA burden. digital multifunction meter suitable to measure voltage, Ampere, Frequency, Power Factor, Measurement of both KVA/KW/kVAH/MDI, Individual Odd Harmonics for voltage and current including THD with RS-485 port.

1 Set of Single phase preventer indicating LED lamps controlled by 2 amp MCB for trip and hooter for alarm.

1 Set of Phase Reversal relay indicating LED lamps controlled by 2 amp MCB for trip and hooter for alarm.

BUSCOUPLER 1 Nos. 800 Amps four pole electrically operated fully drawout type air circuit breaker (50kA) with built in microprocessor based release unit protection for short circuit, over current and earth fault protection with adjustable setting as per specification and each with following accessories:

1 Set of 'ON', 'OFF','TRIP LED lamps controlled by 2 amp MCB.

Provide electrical and mechanical interlocking between Main incomers and buscoupler.

BUSBARS 4P aluminium bus bars of 1000A capacity with heat shrinkable coloured sleeves i/c SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50 KA for 1 sec.

OUTGOING 1 Set of 'ON', 'OFF','TRIP LED lamps controlled by 2 amp MCB with each MCCB outgoing.

1 No. 250A 3P MCCB with built in Microprocessor based release with adjustable thermal setting (Ics = Icu =50 KA) with Star Delta Starter with protection suitable for 60 HP Motors.

1 No. 100A 3P MCCB with built in Microprocessor based release with adjustable thermal setting (Ics = Icu =50 KA) with Star Delta Starter with protection suitable for 20 HP Motors.

1 No. 250A 3P MCCB with built in Microprocessor based release with adjustable thermal setting (Ics = Icu =50 KA) with VFD (Heavy Duty) suitable for 30 HP Motors.

1 No. 100A 3P MCCB with built in Microprocessor based release with adjustable thermal setting (Ics = Icu =50 KA) with DOL Starter with protection suitable for 7.5 HP Motors.

Each outgoing with digital MFM meter and 3 nos. Cast resin CTs of ratio as required, Class 0.5 accuracy and 10 VA burden. digital multifunction meter suitable to measure voltage, Ampere, Frequency, Power Factor, Measurement of both KVA/KW/kVAH/MDI, Max. Demand with RS-485 port.

L.T. PANEL (HVAC) as described above

Supplying, installing by suspension on ceiling/along the wall, testing and commissioning of 800 A, Isc = 50 kA for 1 second capacity Sandwich Type Rising Mains for use on 3 phase 4 wire 415 V, 50Hz A.C. supply with metal clad enclosure having IP-54 rating after fixing the tap off boxes and all accessories, made of 1.6mm thick steel sheet duly powder coated in convenient sections complete with 4 Nos. ETP grade aluminium bus bars with 99.5% purity at nominal current rating, crossovers joints, necessary joints, elbow joints & expansion joints and bends, fire barrier at each floor, provision of tapping at every meter, adopter box and copper flexible for joints, continuous earthing with 2 Nos. aluminium strip of suitable size (one on each side) including, G.I. clamping brackets, suspenders, angle iron bracket, steel fasteners, connecting to earthing system etc. as required. Note: Necessary modification shall be carried out in existing Electrical Panel to connect Bus Duct. Nothing extra shall be paid.

Providing and fixing 50 mm X 6 mm G.I. strip on surface or in recess for connections etc. as required.

Providing, fixing & pasting in position 1000 mm wide, Electrical Insulating Mats as per IS 15652:2006, 3mm thick, suitable for 33 KV, fire retardant, no effect of acids, alkalies and transformer oils, moisture proof, high tensile strength and (Anti slip, marking on top).

Kalpaka Power Control

DOSHI ELECTRIC ENGG. CO.