HF processing (High-Frequency processing)
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- Main
- Technological equipment
- ETMA URTM-3x2-I A U1
аrt.62
The ETMA URTM-3x2-I A U1 unit is designed for the regeneration (removal of aging products) and filtration of used transformer oils. The unit also prepares a 20% ionol solution for subsequent infusion into the transformer oil. A thermal vacuum oil drying unit can be added to the unit upon request.
- Description
- Technical specifications
- Documents (certificates)
The equipment is used for repairing power transformers and reactors rated up to 1150 kV, inclusive, where the following transformer oil characteristics have deteriorated as a result of long-term operation: acid number (KOH/g), tg δ, color, mechanical impurity content, etc. The unit can also be used in oil storage facilities where used transformer oils are stored.
1. Productivity
1), m3/hour, not less than
a) in pumping mode - 3.0
b) in regeneration mode - 1.0÷2.02)
2. Achievable oil parameters after treatment:
a) acid number according to GOST 5985, KOH/g, not more than - 0.01
b) breakdown voltage according to GOST 17216, kV, not less than - 65
c) dielectric loss tangent according to GOST 6581 (tgб), % at 90 °C, not more than - 0.5
d) mechanical impurity content according to GOST 6370, g/t, not more than - 20
e) purity class according to GOST 17216, not worse than 11
f) ionol content, %, not more than 0.3
3. Adsorbers:
a) number of adsorbers, pcs. 6
b) number of adsorbers in one branch, pcs. 33)
c) number of branches, pcs. 2
d) Amount of sorbent in the adsorber, kg, not less than 300
4. *) Amount of oil processed through three adsorbers before sorbent reactivation, kg - 7500…9000
5. Oil losses during regeneration, %, not more than 0.5
6. Number of sorbent reactivation cycles, cycle, more than - 400
7. Sorbent reactivation time with cooling, hours, not more than - 18
8. Volume of the ionol preparation unit (IPU) tank, l, not less than 70
9. Oil temperature, 0С
a) in pumping mode - 20÷85
b) in regeneration mode - 65÷75
10. Nominal filtration fineness, µm, (three stages) - 200/20/5
11. Filtration coefficient (ß-coefficient), not less than - 400
12. Outlet pressure, MPa, not less than - 0.2
13. Nominal power of the oil heater, kW - 40.0
14. Supply voltage of a three-phase network with a frequency of 50 Hz, V - 380±10%
15. Maximum power consumption, kW - 85
16. Installed power, kW - 105
17. Overall dimensions, mm, not more than
a) Length - 5800
b) Width - 2300
c) Height - 2220
18. Weight, kg, not more than - 6900
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