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- Main
- Technological equipment
- ETMA URTM-2x2-BV 1.2-I A U1
аrt.63
The ETMA URTM-2x2-BV 1.2-I A U1 (hereinafter referred to as the equipment) is designed for the regeneration, degassing, thermal vacuum drying, and filtration of used transformer oils. The unit also prepares a 20% ionol solution for subsequent infusion into the transformer oil.
- Description
- Technical specifications
- Documents (certificates)
The equipment is used for repairing power transformers and reactors with voltage up to 1150 kV inclusive, in which, as a result of long-term operation, the characteristics of the transformer oil have deteriorated, such as: acid number KOH/g, tg δ, color, content of mechanical impurities, etc.
1. 1) Performance, m3/hour:
a) in pumping mode, not less than - 3.0
b) in degassing and drying mode, not less than - 1.2
c) in regeneration mode 0.6÷2.02)
2. Achievable oil parameters after treatment:
a) acid number according to GOST 5985, KOH/g, not more than - 0.01
b) dielectric loss tangent according to GOST 6581 (tg β), % at 90oC, not more than - 0.5
c) moisture content according to GOST 7822, % (g/t), not more than - 0.001 (10)
d) mechanical impurity content according to GOST 6370, g/t, not more than - 10
e) ionol content, %, not less than - 0.3
f) purity class according to GOST 17216, not worse than - 9
g) breakdown voltage according to GOST 6581, kV, not less than - 70
3. Amount of processed oil before sorbent reactivation, kg - 7500÷90002)
4. Oil losses during oil regeneration and sorbent reactivation, %, not more than - 0.5
5. Number of adsorbers, pcs. - 2х2=43)
6. Amount of sorbent in the adsorber, kg - 330÷350
7. Number of sorbent reactivation cycles, cycle, more than - 400
8. Time of sorbent reactivation with cooling, hours, no more than - 18
9. Volume of the storage tank of the ionol preparation unit (IPU), l, no less than - 70
10. Oil temperature, °C:
a) in pumping mode 204)
b) in degassing and drying mode 40÷50
c) in regeneration mode - 65÷75
11. Nominal filtration fineness, µm, (three stages) - 50/20/5
12. Filtration coefficient (ß-coefficient), no less than - 400
13. Outlet pressure, MPa, no less than - 0.2
14. Nominal power of the oil heater, kW - 40
15. Three-phase power supply voltage, 50 Hz, V - 380±10%
16. Maximum power consumption, kW - 85
17. Installed power, kW - 105
18. Overall dimensions, mm, no more than:
a) Length - 5450
b) Width - 2250
c) Height - 2250
19. Weight, kg, no more than - 6700
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