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The transformer oil processing plants ELMO-UVM
1. GENERAL INFORMATION
Name ELMO-UVM interpretation:
ELMO – means wiring equipment;
UVM – means oil processing plant;
6 / 3 / 0.5 – productivity, m3/h, in heating, degasation, drying and filtration mode;
12 / 6 / 1 – productivity, m3/h, in heating and filtration mode.
Design of plant provides operating regimes:
- heating, degasation, drying and filtration of the operating environment;
- heating and filtration of the operating environment;
- filtration of the operating environment without heating;
- vacuum degassing of transformer’s tank- NEW !
2. PURPOSE
The Plants are designed for heating, degasation, drying and filtration of the transformers oils which is used in the oil-filled electrical equipment (for example, power transformers) up to 1150 kV. The Plants can also be used for heating the electrical apparatus by the hot oil.
3. SPECIFICATION
| Parameter | unit | ELMO-UVM – 6 / 12 | ELMO-UVM – 3 / 6 | ELMO-UVM – 0.5 / 1 |
| Productivity - in heating, degasation, drying and filtration mode - in heating and filtration mode | m3/h |
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| Productivity of vacuum pump, not less than - forepump - Roots type vacuum pump |
|
500 (1800) |
150 (600) |
50 (180) |
| Transformer’s tank maximum volume, not more than | m3 | 60 | 40 | 24 |
| Vacuum pumps cooling type | air-cooled | air-cooled | air-cooled | |
| Parameters of outlet oil * after 1 run, not more than: – volume gas concentration – mass moisture content |
| 0,1 |
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|
| Parameters of outlet oil * after 3 run, not more than: – volume gas concentration – mass moisture content |
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| Breakdown voltage, not less than | kV | 75 | 75 | 75 |
| Filtering degree | micron | 1…5 | 1…5 | 1…5 |
| Mass contents of mechanical impurities in transformer oil at output, not more than | g/ton | 5 | 5 | 5 |
| Cleanness class of transformer oil at Plant outlet, not less than: - as per ISO 4406 - as per GOST 17216 |
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| Filtration factor, not less than | 300 | 300 | 300 | |
| The oil temperature in processing mode | оС | 50…60 | 50…60 | 50…60 |
| Maximum oil temperature at the Plant outlet | оС | 90 | 90 | 90 |
| Outlet oil pressure, not less than | kg/sm2 | 4,0 | 4,0 | 4,0 |
| Oil heater power, not more than | kW | 160 (2 × 80) | 80 (1 × 80) | 36 (3 × 12) |
| Oil heater specific surface power, not more than | W/sm2 | 1,2 | 1,2 | 1,2 |
| Oil heater type | band type with double interturn insulation | band type with double interturn insulation | Tubular electric heating element | |
| Installed capacity, not more than | kW | 182 | 88 | 40 |
| Supply voltage | 380 V / 50 Hz | 380 V / 50 Hz | 380 V / 50 Hz | |
| Operating mode |
| Automatic, Manual | Automatic, Manual | Automatic, Manual |
| Overall dimensions, not more than: length / width / height | mm | 3000 / 2150 / 2200 | 2600 / 2060 / 2190 | 2500 / 2000 / 2190 |
| Weight | kg | 3000 | 1850 | 1350 |
Comment.
Initial oil parameters: volume gas concentration – not more than 10.5 %; mass moisture content – not more than 0.005 % (50 gramm/ton).
4. GALLERY
Vacuum pumps side view
The operator’s workplace
5. STANDART DELIVERY SET
| № | Nomenclature | ELMO-UVM – 6/12 | ELMO-UVM – 3/6 | ELMO-UVM – 0.5/1 |
| 1 | The transformer oil processing plants ELMO-UVM- Х/Х | 1 | 1 | 1 |
| 2 | Unified filterpack FP-ZPS (5.0 mkm) | 2 | 2 | 1 |
| 3 | Unified filterpack FP-ZPP (1.0 mkm) | 2 | 1 | 1 |
| 4 | Impermeable to oil flexible hose | DN50 – 10 m | DN32 – 10 m | DN25 – 10 m |
| 5 | Flexible stainless steel hose (for vacuum degassing of transformer’s tank) | DN80 – 6 m | DN70 – 6 m | DN50 – 6 m |
| 6 | Power cable KG | 3х70+1х25 – | 3х35+1х16 – | 3х16+1х6 – |
| 7 | Registration certificate | 2 | 2 | 2 |