Customization: | Available |
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Phase: | Single Phase |
Type: | On-line |
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SINGLE PHASE DISTRIBUTION TRANSFORMERS - AUTO PROTECTED - VARIOUS CAPACITIES FOR 35,5kV | ||||||
PARAMETER | SPECIFICATION REQUIRED | SPECIFICATIONS OFFERED | Page. Ref. | |||
1. | GENERAL CHARACTERISTICS | |||||
1.1 | Transformer Class | Distribution | Distribution | |||
1.2 | Transformer Type | Single phase - Self-protected | Single phase - Self-protected |
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1.3 | Manufacturing Standards | INEN NTE - National norm ANSI C.57.12 and INEN 2114 | INEN NTE - National norm ANSI C.57.12 and INEN 2114 | |||
1.4 | Country of Manufacture | specify | specify | |||
2. | TERMS OF SERVICE | |||||
2.1 | Service | Exterior - Continuous | Exterior - Continuous |
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2.2 | Mounting | In post | In pole | |||
2.3 | Type of cooling | ONAN | ONAN | |||
2.4 | Height above sea level (masl) | 0 - 3000 | 1000 | |||
2.5 | Minimum ambient temperature | 4°C | 4°C | |||
2.6 | Maximum ambient temperature | 40°C | 40°C | |||
2.7 | Average ambient temperature | 30°C | 30°C | |||
2.8 | Relative Media Moisture | 80% | 80% | |||
3. | CHARACTERISTICS OF THE PARTS | |||||
3.1 | CORE CHARACTERISTICS | |||||
3.1.1 | Material | Silicon steel grain oriented and cold rolled or other magnetic material | Silicon steel grain oriented and cold rolled or other magnetic material |
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3.1.2 | Construction (rolled or stacked) () |
Specify | Rolled | |||
3.1.3 | weight | Specify | 15kva:66kG 25kva:95kG 37.5kva:120kG 50kva:150kG |
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3.1.4 | Method of fixing the core to the tank | Specify | Bolt fixed | |||
3.2 | CHARACTERISTICS OF WINDINGS | |||||
3.2.1 | Material used in primary and secondary coils | Copper | Copper | |||
3.2.2 | insulating paper | Norm ANSI / ASTM A 1305 | Norm ANSI / ASTM A 1305 | |||
3.2.3 | Type | Specify | Winding | |||
3.2.4 | Class of Insulation | A | A | |||
3.3 | CHARACTERISTICS OF OIL | |||||
3.3.1 | Liquid mineral insulating and cooling, new | norm NTE INEN 2133-98 | Norm ANSI / ASTM A 1305 | |||
3.3.2 | Type | inhibited | inhibited | |||
3.3.3 | Dielectric Strength (kV) | norm ASTM D 877 | inhibited | |||
3.3.4 | Free PCB | Environmental norm Standard D 4059 | Environmental norm Standard D 4059 | |||
3.4 | TANK CHARACTERISTICS | |||||
3.4.1 | Material | Carbon steel sheet | Environmental norm Standard D 4059 | |||
3.4.2 | Type | cylindrical | cylindrical |
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3.4.3 | Pressure limits without deformation (kgf / cm2) | From - 65 to + 65 | cylindrical |
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3.4.4 | Cover attachment to tank | Band bolted closure and packaging / No welded / |
Ring fasten type |
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3.4.5 | Regional sequential number 6.5 x 4.2 x 1.0 cm. | Five Digits red reflective adhesive Arial type letter | Five Digits red reflective adhesive Arial type letter | |||
3.4.6 | Initials CNEL _____ | Recorded in the tank, in high or low relief and / or adhesive | Recorded in the tank, in high or low relief and / or adhesive | |||
3.4.7 | Identification of the nominal power of the transformer | leEctric Blue, Arial, Size 7 x 3.5 x 1 cm visible from the ground | YES | |||
3.4.8 | Painting | ASTM norm B117-3396 NTC ASTM G 154 | YES | |||
3.4.8.1 | anticorrosive Material | specify | Painting | |||
3.4.8.2 | Paint Material | specify | RESIN | |||
3.4.8.3 | Paint thickness | norm NTC 3396 | 80μm | |||
3.4.8.4 | Color paint finish | Light gray similar to RAL series 70 | Light gray similar to RAL series 70 | |||
3.4.8.5 | Method paint finish | specify | Painted | |||
3.4.8.6 | Degree of adhesion | According 4A (ASTM D3359) | Light gray similar to RAL series 70 | |||
3.4.8.7 | For non-PCB dielectric oil | Green Circle Sticker 10cm ф | Green Circle Sticker 10cm ф | |||
3.4.8.8 | Tank top (lid) | Provided with an adequate slope to prevent water stagnation | Provided with an adequate slope to prevent water stagnation | |||
3.5 | CHARACTERISTICS OF PASS CAPS (BUSHINGS) | |||||
3.5.1 | applicable standard | ANSI C57.12.20, IEC 137, ANSI C76.1 | ANSI C57.12.20, IEC 137, ANSI C76.1 | |||
3.5.2 | Settings bushings MT | Indoors with one lock nut | Indoors with one lock nut | |||
3.5.3 | Material - Bushings Medium and Low Voltage : | Porcelain | Porcelain | |||
3.5.4 | Number of bushings BT | 3 | 3 | |||
3.5.5 | Number of bushings MT | 1 | 1 | |||
3.5.6 | Insulation class - Medium Voltage Bushings | 34,5 kV | 34,5 kV | |||
3.5.7 | Insulation class - Low Voltage Bushings | 1,2 kV | 1,2 kV | |||
3.5.8 | Number of Connectors for earth leakage tank type eye | 1 | 1 | |||
3.5.9 | Terminal Type | eye | eye | |||
3.5.10 | Material terminal | Universal para cobre - aluminio | Universal para cobre - aluminio | |||
3.6 | ACCESORIOS | |||||
3.6.1 | Transformer mounting brackets | Norm NTE INEN 2139 | Norm NTE INEN 2139 | |||
3.6.2 | Ears to lift the transformer | Norm | Norm | |||
3.6.3 | Tap changer with external drive | 5 posiciones | 5 posiciones | |||
3.6.4 | Domestic oil level indicator | Norm NTE INEN 2139 | Norm NTE INEN 2139 | |||
3.6.5 | Pressure Relief Valve | Norm Norma NTE INEN 2139 - NTC 3609 | Norm Norma NTE INEN 2139 - NTC 3609 | |||
3.6.6 | Alarm pilot light externally changeable without suspension (for self protected) | Above the oil level. anti-rotation lock, | Above the oil level. anti-rotation lock | |||
3.6.7 | Nameplate | Norm NTE INEN 2130 / 2139 | Norm NTE INEN 2130 / 2139 | |||
3.6.8 | Location of the terminal | Norm NTE INEN 2139 | Norm NTE INEN 2139 | |||
4. | ELECTRICAL CHARACTERISTICS | |||||
4.1 | FREQUENCY CHARACTERISTICS, REGULATION | |||||
4.1.1 | Rated frequency (Hz) | 60 | 60 | |||
4.1.2 | Position of the primary winding taps | . +1 a - 3 x 2,5% | . +1 a - 3 x 2,5% | |||
4.1.3 | rated Power | 25-37,5-50 KVA | 25-37,5-50 KVA | |||
4.1.4 | IEC Connection Group | Ii0 | Ii0 | |||
4.1.5 | polarity | Subtractive | Subtractive | |||
4.1.6 | Transformation ratio at nominal tap | 19920 V/ 120-240V | 19920 V/ 120-240V | |||
4.1.7 | Nominal line voltages: | |||||
primary winding | 34500 V GRDY / 19920 V | 34500 V GRDY / 19920 V | ||||
secondary winding | 120 / 240 V | 120 / 240 V | ||||
4.1.8 | Maximum level of audible sound in nominal conditions: | 48 dB (according to norm NEMA TR1) | 48 dB (according to norm NEMA TR1) | |||
4.2 | NSULATION CHARACTERISTICS | |||||
4.2.1 | Basic Insulation level - NBA (BIL) | NTE INEN 2125 / 2127 | NTE INEN 2125 / 2127 | |||
4.2.2 | primary | 150 kV pico | 150 kV pico | |||
4.2.3 | secondary | 30 kV pico | 30 kV pico | |||
4.2.4 | Test voltage applied | NTE INEN 2125 / 2127 | NTE INEN 2125 / 2127 | |||
4.2.5 | Induced voltage test | NTE INEN 2125 / 2127 | NTE INEN 2125 / 2127 | |||
4.3 | FUNCTIONIN IN ALTITUDE AND TEMPERATURE CONDITIONS TO DIFFERENT STANDARDIZED | |||||
4.3.1 | Overload Capacity | ANSI, IEEE Std. C57.91 | ANSI, IEEE Std. C57.91 | |||
4.3.2 | Increase allowable temperature | NTE INEN 2119 | NTE INEN 2119 | |||
4.3.3 | Heating limits | NTE INEN 2126 / 2128 | NTE INEN 2126 / 2128 | |||
4.4 | MAXIMUM PERMISSIBLE LEVELS OF LOSS | |||||
4.4.1 | Load losses at 100% of rated voltage | NTE INEN 2113 / 2114: 25 KVA: ≤ 185 W 37,5 KVA: ≤ 229 W 50 KVA: ≤ 267 W |
NTE INEN 2113 / 2114: 15 KVA: ≤ 165 W 25 KVA: ≤ 185 W 37,5 KVA: ≤ 229 W 50 KVA: ≤ 267 W |
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4.4.2 | Winding losses at rated load (85 ° C) 85 |
NTE INEN 2114 / 2116: 25 KVA: ≤ 360 W 37,5 KVA: ≤ 488 W 50 KVA: ≤ 606 W |
NTE INEN 2114 / 2116: 15 KVA: ≤ 320 W 25 KVA: ≤ 360 W 37,5 KVA: ≤ 488 W 50 KVA: ≤ 606 W |
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4.4.3 | Total losses at full load (85 ° C) 85 |
NTE INEN 2114: 25 KVA: ≤ 545 W 37,5 KVA: ≤ 717 W 50 KVA: ≤ 873 W |
NTE INEN 2114: 15 KVA: ≤ 502 W 25 KVA: ≤ 545 W 37,5 KVA: ≤ 717 W 50 KVA: ≤ 873 W |
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4.4.4 | Impedance (85 ° C) | NTE INEN 2116: 4.0 % | NTE INEN 2116: 4.0 % | |||
4.4.5 | Excitation current (max.)% In | NTE INEN 2113 / 2114: 25 KVA: 2.4 % In 37,5 KVA: 2.0 % In 50 KVA: 2.0 % In |
NTE INEN 2113 / 2114: 15 KVA: 2.4 % In 25 KVA: 2.4 % In 37,5 KVA: 2.0 % In 50 KVA: 2.0 % In |
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4.5 | PROTECTIONS | |||||
4.5.1 | OVER CURRENT PROTECTIONS: | |||||
In medium voltage | Immersed fuse oil expulsion | Immersed fuse oil expulsion | ||||
In low voltage | Disyuntor inmerso en aceite, acción con pértiga. Tipo monoblock | Disyuntor inmerso en aceite, acción con pértiga. Tipo monoblock | ||||
Maximum rated voltage (kV) | 0.60 | 0.60 | ||||
Rated breaking capacity (kA) | 11 | 11 | ||||
Maximum MCOV (kV) | 0.60 | 0.60 | ||||
Rated current (A) | 25 KVA: 104.17 A 37,5 KVA: 156.25 A 50 KVA: 208.33 A |
15 KVA: 75.17 A 25 KVA: 104.17 A 37,5 KVA: 156.25 A 50 KVA: 208.33 A |
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4.5.2 | PROTECTIONS OVERVOLTAGE: | |||||
4.5.2.1 | LIGHTNING ROD MEDIUM VOLTAGE | |||||
Type | Silicone rubber | Silicone rubber | ||||
Class | distribution | distribution | ||||
Manufacturer | specify | specify | ||||
Breaking Capacity | 10 KA | 10 KA | ||||
Max. Nominal voltage | 27 kV | 27 kV | ||||
Breaking Capacity | 10 kA | 10 kA | ||||
Max. Continuous operating voltage MCOV | 22 kV | 22 kV | ||||
Max. Discharge voltage at 10 kA | 86.60 kV | 86.60 kV | ||||
rules applicable | ANSI C62.22 or equivalent | ANSI C62.22 or equivalent | ||||
Cable Connector | 4-2 AWG | 4-2 AWG | ||||
Connector for land | > 2 AWG | > 2 AWG | ||||
Disconnect visible action fails | obligatory | obligatory | ||||
Cover avifauna | 1 por polo | 1 por polo | ||||
4.5.2.2 | BT LIGHTNING ROD | |||||
Type | Specify | Silicon rubber | ||||
Max. Nominal voltage | 0.48 kV | 0.48 kV | ||||
Breaking Capacity | 10 kA | 10 kA | ||||
rules applicable | Specify | Specify | ||||
Maximum continuous operating voltage (MCOV) | 0.48 kV | 0.48 kV | ||||
Maximum discharge voltage at 10 kA | 1.9 Kv | 1.9 Kv | ||||
4.6 | Certificate / test protocols | NTE INEN 2138 | NTE INEN 2138 | |||
5. | WEIGHTS AND DIMENSIONS | |||||
5.1 | Total weight including oil and Accessories | Specify | 15kva:190kG 25kva:250kG 37.5kva:320kG 50kva:370kG |
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5.2 | Dimensions including | Specify | 15kva:664X624X1225 25kva:714X674X1245 37.5kva:734X694X1285 50kva:814X750X1355 |