EF2006-11

Equipment Number:- 370-TR-001 Refer to Specification: E-S-2-006 Manufacturer:- OCREV REQUIREMENTS AND CONDITIONS Number Required:- 1 Service: STEP-UP POWER TRANSFORMERS Type of Protection (see abbrevs.):- Type:- Oil immersed Area Classification:- NON - HAZARDOUS Rating:- (All Taps) 630 KVA(CMR) Gas: Ignition Temperature:- Voltage Ratio (Off-Loa 0,380 / 6 kV Group:- Vector Group Reference Dyn11 Cooling Method: X ONAN ¨ ONAF Mounting: ¨ Wall X Floor Electrical System: ¨ Skids X Rollers MV:- 6 kV. 3 Ph Hermetic Sealing: ¨ Yes X No 50 Hz kA Exposed to overvoltage Conservator: X Yes ¨ No Neutral: ¨ Unearthed ¨ Resistance Earthed Gas Relay(Buchholz X Yes (with contacts (1) ¨ No X Solidly Earthed Dehydrating Breather: X Yes ¨ No System Highest Voltage:- 6kV Filter Valves: X Yes ¨ No LV:- ### V 3 Ph Pressure Relief Device: ¨ Yes X No 50 Hz kA Pressure / Vacuum Gauge and CO Contacts ¨ Yes X No Neutral: X Unearthed ¨ Resistance Earthed Disconnecting Chambe HV ¨ Yes X No ¨ Solidly Earthed ¨ Switch ¨ Links Capitalisation cost:- LV ¨ Yes X No Insulation Class A Level: kV BILX Uniform ¨ Switch ¨ Links ¨ Graded Jacking Lugs: X Yes ¨ No Tappings on Windings: ± 5 % on LV wdg Thermometer Pocket: ¨ Yes X No Tapping Method: ¨ On Load ¨ Off Circuit by Links Oil Temperature Indicator X Yes (with contacts (1) ¨ No X Off Circuit by Switch Type:- X Indication X Alarm X Trip Parallel operation: Yes X No Contacts:- NC NO Impedance Voltage:- 4% Winding Temperature Indicato Yes X No Type:- Indication Alarm Trip Terminals: HV:- AIR Contacts:- LV:- AIR Tank Conservator: Neutral:- AIR Drain Valve: X Yes ¨ No Location :- Outdoor Oil Level Gauge: X Yes (with contacts (1) ¨ No Degree of Protection:- CT' No. of:- Design Ambient Temperature:- 55 Deg C Max Top Oil Temperature Rise:- Deg C Ave Winding Temperature Rise:- Deg C Cables: Primary:- Connection to cable line Secondary:- multicore DATA TO BE PROVIDED BY SELLER Vendor Type/Cat. No.:- TOE Resistance Per Phase (Cold) 0.002992 ohms at 20 °C Outline Drawing No.:- TL3284 Resistance Per Phase (Cold) 0.2913 ohms at 20 °C Serial No.:- 60808 Weight: Flux Density:- 1,7 Tesla Core & Windings:- 1000 kg Iron Losses:- 1272 W Tank & Fittings:- 500 kg Copper Losses :- 7248 W Coolant:- 400 kg Exact Turns Ratio (Rated Volts):- 9.1 Total 1900 kg Regulation @ .8 pf:- 4.28 % Oil Quantities: No-Load Current(Magnetising)%:- 1.85 % Tank:- (excl. radiators) 440 litre /rad= litres Impedance Voltage:- 5.61 % Conservator:- 25 litres Impedance Voltage Tolerance:- ± 10 % Disconnecting Chamber:- - litres X/R Ratio:- 4.77 Dimensions: Inrush Current:- 570 A (REF. M.V. SIDE) Length:- 1820+/-50 mm Efficiency 50/75/100% (@ 0.8 P 98,79/9 98.3 % Width:- 1200+/-50 mm Height:- 1600+/-50 mm Thickness: Walls:- 5 mm Base:- 6 mm Cover:- 8 mm TAG No. DESCRIPTION SERIAL No. REMARKS (1) Alarm and trip contact (2) Transformer connection ABBREVIATIONS CMR= Maximum continuous rating CONTRACTOR DOCUMENT No.: ENGINEERING DOCUMENT No.: CLIENT DOCUMENT No. Sheet 2 of 2 Title: POWER TRANFORMER DATA SHEET Rev: 1 Date: 25 mm 2 630 6 kV 0.380 kV

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Transcript of EF2006-11

Equipment Number:- 370-TR-001Refer to Specification:- E-S-2-006Manufacturer:- OCREV

REQUIREMENTS AND CONDITIONS Number Required:- 1Service: STEP-UP POWER TRANSFORMERS Type of Protection (see abbrevs.):-Type:- Oil immersed Area Classification:- NON - HAZARDOUSRating:- (All Taps) 630 KVA(CMR) Gas: Ignition Temperature:-Voltage Ratio (Off-Load):- 0,380 / 6 kV Group:-Vector Group Reference:- Dyn11 Cooling Method: X ONAN ¨ ONAF

Mounting: ¨ Wall X FloorElectrical System: ¨ Skids X RollersMV:- 6 kV. 3 Ph Hermetic Sealing: ¨ Yes X No

50 Hz kA Exposed to overvoltage Conservator: X Yes ¨ No Neutral: ¨ Unearthed ¨ Resistance Earthed Gas Relay(Buchholz): X Yes (with contacts) (1) ¨ No

X Solidly Earthed Dehydrating Breather: X Yes ¨ NoSystem Highest Voltage:- 6kV Filter Valves: X Yes ¨ No

LV:- 380 V 3 Ph Pressure Relief Device: ¨ Yes X No50 Hz kA Pressure / Vacuum Gauge and CO Contacts ¨ Yes X No

Neutral: X Unearthed ¨ Resistance Earthed Disconnecting Chambers: HV ¨ Yes X No¨ Solidly Earthed ¨ Switch ¨ Links

Capitalisation cost:- LV ¨ Yes X NoInsulation: Class: A Level: kV BIL X Uniform ¨ Switch ¨ Links

¨ Graded Jacking Lugs: X Yes ¨ NoTappings on Windings: ± 5 % on LV wdg Thermometer Pocket: ¨ Yes X NoTapping Method: ¨ On Load ¨ Off Circuit by Links Oil Temperature Indicator: X Yes (with contacts) (1) ¨ No

X Off Circuit by Switch Type:- X Indication X Alarm X TripParallel operation: Yes X No Contacts:- NC NOImpedance Voltage:- ### Winding Temperature Indicator: Yes X No

Type:- Indication Alarm TripTerminals: HV:- AIR Contacts:-

LV:- AIR Tank Conservator:Neutral:- AIR Drain Valve: X Yes ¨ No

Location :- Outdoor Oil Level Gauge: X Yes (with contacts) (1) ¨ NoDegree of Protection:- CT's No. of:-Design Ambient Temperature:- 55 Deg CMax Top Oil Temperature Rise:- Deg CAve Winding Temperature Rise:- Deg C Cables:- Primary:- Connection to cable line

Secondary:- multicoreDATA TO BE PROVIDED BY SELLER

Vendor Type/Cat. No.:- TOE Resistance Per Phase (Cold) LV:- 0.002992 ohms at 20 °COutline Drawing No.:- TL3284 Resistance Per Phase (Cold) HV:- 0.2913 ohms at 20 °CSerial No.:- 60808 Weight:Flux Density:- 1,7 Tesla Core & Windings:- 1000 kgIron Losses:- 1272 W Tank & Fittings:- 500 kgCopper Losses :- 7248 W Coolant:- 400 kgExact Turns Ratio (Rated Volts):- 9.1 Total 1900 kgRegulation @ .8 pf:- 4.28 % Oil Quantities:No-Load Current(Magnetising)%:- 1.85 % Tank:- (excl. radiators) 440 litres /rad= litresImpedance Voltage:- 5.61 % Conservator:- 25 litresImpedance Voltage Tolerance:- ± 10 % Disconnecting Chamber:- - litresX/R Ratio:- 4.77 Dimensions:Inrush Current:- 570 A (REF. M.V. SIDE) Length:- 1820+/-50 mmEfficiency 50/75/100% (@ 0.8 PF): 98,79/9 98.3 % Width:- 1200+/-50 mm

Height:- 1600+/-50 mmThickness:

Walls:- 5 mmBase:- 6 mmCover:- 8 mm

TAG No. DESCRIPTION SERIAL No. REMARKS(1) Alarm and trip contact(2) Transformer connection

ABBREVIATIONSCMR= Maximum continuous rating

CONTRACTOR DOCUMENT No.: ENGINEERING DOCUMENT No.: CLIENT DOCUMENT No.

Sheet 2 of 2

Title: POWER TRANFORMER DATA SHEET Rev: 1 Date:

25 mm2

630

6 kV

0.380 kV