China 13.8kv V3 Pole Mounted Distribution Transformer for Recloser

SINGLE PHASE DISTRIBUTION TRANSFORMERS - AUTO PROTECTED - VARIOUS CAPACITIES FOR 13.2 / 13.8 7.62kV and / 7,96kV PARAMETERSPECIFICATION REQUIRED
SPECIFICATIONS OFFERED
Page. Ref.1.GENERAL CHARACTERISTICS1.1Transformer ClassDistribution yes 1.2Transformer Type
Single phase - Self-protected yes 1.3Manufacturing StandardsINEN NTE - National norm ANSI C.57.12 and INEN 2114 yes 1.4Country of Manufacturespecify china 2.TERMS OF SERVICE2.1ServiceExterior - Continuous yes 2.2MountingIn post yes 2.3Type of coolingONAN yes 2.4Height above sea level (masl)0 - 3000 yes 2.5Minimum ambient temperature4°C yes 2.6Maximum ambient temperature40°C yes 2.7Average ambient temperature30°C yes 2.8Relative Media Moisture80% yes 3.CHARACTERISTICS OF THE PARTS3.1CORE CHARACTERISTICS3.1.1MaterialSilicon steel grain oriented and cold rolled or other magnetic material Silicon steel grain oriented and cold rolled 3.1.2Construction (rolled or stacked)
()Specify rolled 3.1.3weightSpecify 15kva:57kg
25kva:85kg
37.5kva:115kg
50kva:149kg 3.1.4Method of fixing the core to the tankSpecify Fixed by screw blet 3.2CHARACTERISTICS OF WINDINGS3.2.1Material used in primary and secondary coilsCopper yes 3.2.2insulating paperNorm ANSI / ASTM A 1305 yes 3.2.3TypeSpecify Winding3.2.4Class of InsulationA a 3.3CHARACTERISTICS OF OIL3.3.1Liquid mineral insulating and cooling, newnorm NTE INEN 2133-98 yes 3.3.2Typeinhibited yes 3.3.3Dielectric Strength (kV)norm ASTM D 877 61kv 3.3.4Free PCBEnvironmental norm Standard D 4059 yes 3.4TANK CHARACTERISTICS3.4.1MaterialCarbon steel sheet yes 3.4.2Typecylindrical yes 3.4.3Pressure limits without deformation (kgf / cm2)From - 65 to + 65yes 3.4.4Cover attachment to tankBand bolted closure and packaging / No welded Band bolted closure and packaging 3.4.5Regional sequential number 6.5 x 4.2 x 1.0 cm. Five Digits red reflective adhesive Arial type letter yes 3.4.6Initials CNEL _____Recorded in the tank, in high or low relief and / or adhesive yes 3.4.7Identification of the nominal power of the transformerElectric Blue, Arial, Size 7 x 3.5 x 1 cm visible from the ground yes 3.4.8PaintingASTM norm B117-3396 NTC ASTM G 154 yes 3.4.8.1anticorrosive Materialspecify Anticorrosive paint 3.4.8.2Paint MaterialspecifyExpoxy resin paint 3.4.8.3Paint thicknessnorm NTC 3396 60um 3.4.8.4Color paint finishLight gray similar to RAL series 70 yes 3.4.8.5Method paint finishspecify Pickling phosphating before paint 3.4.8.6Degree of adhesionAccording 4A (ASTM D3359) yes 3.4.8.7For non-PCB dielectric oilGreen Circle Sticker 10cm ф yes 3.4.8.8Tank top (lid)Provided with an adequate slope to prevent water stagnationyes 3.5CHARACTERISTICS OF PASS CAPS (BUSHINGS)3.5.1applicable standardANSI C57.12.20, IEC 137, ANSI C76.1 yes 3.5.2Settings bushings MTIndoors with one lock nut yes 3.5.3Material - Bushings Medium and Low VoltagePorcelain yes 3.5.4Number of bushings BT3 yes 3.5.5Number of bushings MT1 yes 3.5.6Insulation class - Medium Voltage Bushings15 kV (27 kV for Santa Elena pollution type Class # 4) yes 3.5.7Insulation class - Low Voltage Bushings1,2 kV yes 3.5.8Number of Connectors for earth leakage tank type eye1 yes 3.5.9Terminal Typeeye yes 3.5.10Material terminalUniversal for copper - aluminum yes 3.6ACCESSORIES3.6.1Transformer mounting bracketsNorm NTE INEN 2139 yes 3.6.2Ears to lift thetransformerNorm yes 3.6.3Tap changer with external drive5 posiciones5 yes 3.6.4Domestic oil level indicatorNorm NTE INEN 2139 yes 3.6.5Pressure Relief ValveNorm Norma NTE INEN 2139 - NTC 3609 yes 3.6.6Alarm pilot light externally changeable without suspension (for self protected)Above the oil level. anti-rotation lock yes 3.6.7NameplateNorm NTE INEN 2130 / 2139 yes 3.6.8Location of the terminalNorm NTE INEN 2139 yes 4.ELECTRICAL CHARACTERISTICS4.1FREQUENCY CHARACTERISTICS, REGULATION4.1.1Rated frequency (Hz)60 yes 4.1.2Position of the primary winding taps+1 a - 3 x 2,5% yes 4.1.3rated Power15-25-37,5-50 KVA yes 4.1.4IEC Connection GroupIi6 yes 4.1.5polarityAdditive yes 4.1.6Transformation ratio at nominal tap- 7620 V/ 120-240V
- 7960 V/ 120-240V yes 4.1.7Nominal line voltages: primary winding- 13200 V GRDY / 7620 V
- 13800 V GRDY / 7960 V yes secondary winding120 / 240 V yes 4.1.8Maximum level of audible sound in nominal conditions:48 dB (according to norm NEMA TR1) yes 4.2INSULATION CHARACTERISTICS4.2.1Basic Insulation level - NBA (BIL)NTE INEN 2125 / 2127 yes 4.2.2primary95 kV peak yes 4.2.3secondary30 kV peak yes 4.2.4Test voltage appliedNTE INEN 2125 / 2127 yes 4.2.5Induced voltage testNTE INEN 2125 / 2127 yes 4.3FUNCTIonIN IN ALTITUDE AND TEMPERATURE ConDITIONS TO DIFFERENT STANDARDIZED4.3.1Overload CapacityANSI, IEEE Std. C57.91 yes 4.3.2Increase allowable temperature
NTE INEN 2119 yes 4.3.3Heating limitsNTE INEN 2126 / 2128 yes 4.4MAXIMUM PERMISSIBLE LEVELS OF LOSS 4.4.1Load losses at 100% of rated voltage
100%NTE INEN 2113 / 2114: 15 KVA: ≤ 68 W
25 KVA: ≤ 98 W
37,5 KVA: ≤ 130 W
50 KVA: ≤ 160 W yes 4.4.2 Winding losses at rated load (85 ° C)NTE INEN 2114 / 2116:
15 KVA: ≤ 192 W
25 KVA: ≤ 289 W
37,5 KVA: ≤ 403 W
50 KVA: ≤ 512W yes 4.4.3Total losses at full load (85 ° C)NTE INEN 2114:
15 KVA: ≤ 260 W
25 KVA: ≤ 387 W
37,5 KVA: ≤ 533 W
50 KVA: ≤ 672 W yes 4.4.4Impedance (85 ° C) NTE INEN 2116: 3.0 % yes 4.4.5Excitation current (max.)% INTE INEN 2113 / 2114:
15 KVA: 2.4 % In
25 KVA: 2.0 % In
37,5 KVA: 2.0 % In
50 KVA: 1.9 % In yes 4.5PROTECTIONS CSP 4.5.1OVER CURRENT PROTECTIONS: In medium voltageImmersed fuse oil expulsion yes In low voltageOil immersed, pole breaker action. Monoblock yes Maximum rated voltage (kV)0.60 yes Rated breaking capacity (kA)11 yes Maximum MCOV (kV)0.60 yes Rated current (A)15 KVA: 62.50 A
25 KVA: 104.17 A
37,5 KVA: 156.25 A
50 KVA: 208.33 A 4.5.2PROTECTIONS OVERVOLTAGE:4.5.2.1LIGHTNING ROD MEDIUM VOLTAGE TypeSilicone rubber yes Classdistribution yes Manufacturerspecify yingde Breaking Capacity10 kA yes Max. Nominal voltage10 kV yes Breaking Capacity10 kA yes rules applicableANSI C62.22 or equivalent yes Cable Connector4-2 AWG yes Connector for land> 2 AWG yes Disconnect visible action failsobligatory yes Cover avifauna1 pole yes 4.5.2.2BT LIGHTNING ROD TypeSpecify silicon Max. Nominal voltage0.48 kV yes Breaking Capacity10 kA yes rules applicableSpecify ANSI C62.22 or equivalent Maximum continuous operating voltage (MCOV)0.48 kV yes Maximum discharge voltage at 10 kA1.9 Kv YES 4.6Certificate / test protocolsNTE INEN 2138yes 5.WEIGHTS AND DIMENSIONS5.1Total weight including oil and AccessoriesSpecify 15KVA:210KG
25KVA:258KG
37.5KVA:340KG
50KVA:395KG 5.2Dimensions includingSpecify 15KVA:580x550x970MM
25KVA:630x550x1025
37.5KVA:680x630x1225
50KVA680x630x1235: