| Customization: | Available |
|---|---|
| Phase: | Single Phase |
| Type: | On-line |
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| SINGLE PHASE DISTRIBUTION TRANSFORMERS - AUTO PROTECTED - VARIOUS CAPACITIES FOR 13.2 / 13.8 7.62kV and / 7,96kV | |||||
| PARAMETER | SPECIFICATION REQUIRED |
SPECIFICATIONS OFFERED |
Page. Ref. | ||
| 1. | GENERAL CHARACTERISTICS | ||||
| 1.1 | Transformer Class | Distribution | yes | ||
| 1.2 | Transformer Type |
Single phase - Self-protected | yes | ||
| 1.3 | Manufacturing Standards | INEN NTE - National norm ANSI C.57.12 and INEN 2114 | yes | ||
| 1.4 | Country of Manufacture | specify | china | ||
| 2. | TERMS OF SERVICE | ||||
| 2.1 | Service | Exterior - Continuous | yes | ||
| 2.2 | Mounting | In post | yes | ||
| 2.3 | Type of cooling | ONAN | yes | ||
| 2.4 | Height above sea level (masl) | 0 - 3000 | yes | ||
| 2.5 | Minimum ambient temperature | 4°C | yes | ||
| 2.6 | Maximum ambient temperature | 40°C | yes | ||
| 2.7 | Average ambient temperature | 30°C | yes | ||
| 2.8 | Relative Media Moisture | 80% | yes | ||
| 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 | ||
| 3.1.2 | Construction (rolled or stacked) () |
Specify | rolled | ||
| 3.1.3 | weight | Specify | 15kva:57kg 25kva:85kg 37.5kva:115kg 50kva:149kg |
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| 3.1.4 | Method of fixing the core to the tank | Specify | Fixed by screw blet | ||
| 3.2 | CHARACTERISTICS OF WINDINGS | ||||
| 3.2.1 | Material used in primary and secondary coils | Copper | yes | ||
| 3.2.2 | insulating paper | Norm ANSI / ASTM A 1305 | yes | ||
| 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 | yes | ||
| 3.3.2 | Type | inhibited | yes | ||
| 3.3.3 | Dielectric Strength (kV) | norm ASTM D 877 | 61kv | ||
| 3.3.4 | Free PCB | Environmental norm Standard D 4059 | yes | ||
| 3.4 | TANK CHARACTERISTICS | ||||
| 3.4.1 | Material | Carbon steel sheet | yes | ||
| 3.4.2 | Type | cylindrical | yes | ||
| 3.4.3 | Pressure limits without deformation (kgf / cm2) | From - 65 to + 65 | yes | ||
| 3.4.4 | Cover attachment to tank | Band bolted closure and packaging / No welded | Band bolted closure and packaging | ||
| 3.4.5 | Regional sequential number 6.5 x 4.2 x 1.0 cm. | Five Digits red reflective adhesive Arial type letter | yes | ||
| 3.4.6 | Initials CNEL _____ | Recorded in the tank, in high or low relief and / or adhesive | yes | ||
| 3.4.7 | Identification of the nominal power of the transformer | Electric 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 | Anticorrosive paint | ||
| 3.4.8.2 | Paint Material | specify | Expoxy resin paint | ||
| 3.4.8.3 | Paint thickness | norm NTC 3396 | 60um | ||
| 3.4.8.4 | Color paint finish | Light gray similar to RAL series 70 | yes | ||
| 3.4.8.5 | Method paint finish | specify | Pickling phosphating before paint | ||
| 3.4.8.6 | Degree of adhesion | According 4A (ASTM D3359) | yes | ||
| 3.4.8.7 | For non-PCB dielectric oil | Green Circle Sticker 10cm ф | yes | ||
| 3.4.8.8 | Tank top (lid) | Provided with an adequate slope to prevent water stagnation | yes | ||
| 3.5 | CHARACTERISTICS OF PASS CAPS (BUSHINGS) | ||||
| 3.5.1 | applicable standard | ANSI C57.12.20, IEC 137, ANSI C76.1 | yes | ||
| 3.5.2 | Settings bushings MT | Indoors with one lock nut | yes | ||
| 3.5.3 | Material - Bushings Medium and Low Voltage | Porcelain | yes | ||
| 3.5.4 | Number of bushings BT | 3 | yes | ||
| 3.5.5 | Number of bushings MT | 1 | yes | ||
| 3.5.6 | Insulation class - Medium Voltage Bushings | 15 kV (27 kV for Santa Elena pollution type Class # 4) | yes | ||
| 3.5.7 | Insulation class - Low Voltage Bushings | 1,2 kV | yes | ||
| 3.5.8 | Number of Connectors for earth leakage tank type eye | 1 | yes | ||
| 3.5.9 | Terminal Type | eye | yes | ||
| 3.5.10 | Material terminal | Universal for copper - aluminum | yes | ||
| 3.6 | ACCESSORIES | ||||
| 3.6.1 | Transformer mounting brackets | Norm NTE INEN 2139 | yes | ||
| 3.6.2 | Ears to lift thetransformer | Norm | yes | ||
| 3.6.3 | Tap changer with external drive | 5 posiciones5 | yes | ||
| 3.6.4 | Domestic oil level indicator | Norm NTE INEN 2139 | yes | ||
| 3.6.5 | Pressure Relief Valve | Norm Norma NTE INEN 2139 - NTC 3609 | yes | ||
| 3.6.6 | Alarm pilot light externally changeable without suspension (for self protected) | Above the oil level. anti-rotation lock | yes | ||
| 3.6.7 | Nameplate | Norm NTE INEN 2130 / 2139 | yes | ||
| 3.6.8 | Location of the terminal | Norm NTE INEN 2139 | yes | ||
| 4. | ELECTRICAL CHARACTERISTICS | ||||
| 4.1 | FREQUENCY CHARACTERISTICS, REGULATION | ||||
| 4.1.1 | Rated frequency (Hz) | 60 | yes | ||
| 4.1.2 | Position of the primary winding taps | +1 a - 3 x 2,5% | yes | ||
| 4.1.3 | rated Power | 15-25-37,5-50 KVA | yes | ||
| 4.1.4 | IEC Connection Group | Ii6 | yes | ||
| 4.1.5 | polarity | Additive | yes | ||
| 4.1.6 | Transformation ratio at nominal tap | - 7620 V/ 120-240V - 7960 V/ 120-240V |
yes | ||
| 4.1.7 | Nominal line voltages: | ||||
| primary winding | - 13200 V GRDY / 7620 V - 13800 V GRDY / 7960 V |
yes | |||
| secondary winding | 120 / 240 V | yes | |||
| 4.1.8 | Maximum level of audible sound in nominal conditions: | 48 dB (according to norm NEMA TR1) | yes | ||
| 4.2 | INSULATION CHARACTERISTICS | ||||
| 4.2.1 | Basic Insulation level - NBA (BIL) | NTE INEN 2125 / 2127 | yes | ||
| 4.2.2 | primary | 95 kV peak | yes | ||
| 4.2.3 | secondary | 30 kV peak | yes | ||
| 4.2.4 | Test voltage applied | NTE INEN 2125 / 2127 | yes | ||
| 4.2.5 | Induced voltage test | NTE INEN 2125 / 2127 | yes | ||
| 4.3 | FUNCTIONIN IN ALTITUDE AND TEMPERATURE CONDITIONS TO DIFFERENT STANDARDIZED | ||||
| 4.3.1 | Overload Capacity | ANSI, IEEE Std. C57.91 | yes | ||
| 4.3.2 | Increase allowable temperature |
NTE INEN 2119 | yes | ||
| 4.3.3 | Heating limits | NTE INEN 2126 / 2128 | yes | ||
| 4.4 | MAXIMUM PERMISSIBLE LEVELS OF LOSS | ||||
| 4.4.1 | Load 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 | ||
| 4.4.3 | Total 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 | ||
| 4.4.4 | Impedance (85 ° C) | NTE INEN 2116: 3.0 % | yes | ||
| 4.4.5 | Excitation current (max.)% I | NTE 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 | ||
| 4.5 | PROTECTIONS CSP | ||||
| 4.5.1 | OVER CURRENT PROTECTIONS: | ||||
| In medium voltage | Immersed fuse oil expulsion | yes | |||
| In low voltage | Oil 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 |
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| 4.5.2 | PROTECTIONS OVERVOLTAGE: | ||||
| 4.5.2.1 | LIGHTNING ROD MEDIUM VOLTAGE | ||||
| Type | Silicone rubber | yes | |||
| Class | distribution | yes | |||
| Manufacturer | specify | yingde | |||
| Breaking Capacity | 10 kA | yes | |||
| Max. Nominal voltage | 10 kV | yes | |||
| Breaking Capacity | 10 kA | yes | |||
| rules applicable | ANSI C62.22 or equivalent | yes | |||
| Cable Connector | 4-2 AWG | yes | |||
| Connector for land | > 2 AWG | yes | |||
| Disconnect visible action fails | obligatory | yes | |||
| Cover avifauna | 1 pole | yes | |||
| 4.5.2.2 | BT LIGHTNING ROD | ||||
| Type | Specify | silicon | |||
| Max. Nominal voltage | 0.48 kV | yes | |||
| Breaking Capacity | 10 kA | yes | |||
| rules applicable | Specify | ANSI C62.22 or equivalent | |||
| Maximum continuous operating voltage (MCOV) | 0.48 kV | yes | |||
| Maximum discharge voltage at 10 kA | 1.9 Kv | YES | |||
| 4.6 | Certificate / test protocols | NTE INEN 2138 | yes | ||
| 5. | WEIGHTS AND DIMENSIONS | ||||
| 5.1 | Total weight including oil and Accessories | Specify | 15KVA:210KG 25KVA:258KG 37.5KVA:340KG 50KVA:395KG |
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| 5.2 | Dimensions including | Specify | 15KVA:580X550X970MM 25KVA:630X550X1025 37.5KVA:680X630X1225 50KVA680X630X1235: |
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