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Two Stage Trailer Mounted transformer oil purification

The two stage trailer mounted transformer oil purification machine is required to provide the following functions: 
* A nominal rate of at least 6000Liter or adjustable.
* Purification oil transformers out of service.
* Filtration: removal of solid particles suspended in the oil.
* Dehydration: extraction of water dissolved in the oil.
* Venting: extraction of gas are dissolved in oil.
Availability:
  • ZLS-T

  • CTBU

Working areas:

In High voltage substations.

Subject to the field of 30KV voltage, 90kV,132KV, 400 kV and 220kV, 500KV, etc.

Protection against the weather by a metallic Housing doors.

The control panel, cabling and protective devices are withstand transport constraints and word owner operating vibration equipping the machine.


What can the CTBU machine do for you?

The two stage trailer mounted transformer oil purification machine is required to provide the following functions:

A nominal rate of at least 6000Liter or adjustable.

Purification of oil transformers out of service.

Oil Filtration: removal of solid particles suspended in the oil.

Vacuum Dehydration: extraction of water dissolved in the oil.

Gas Venting: extraction of gas are dissolved in oil.


Reference standard:

The purpose of the transformer oil purifying operation is to bring the mineral insulating oils into conformity with the standards listed below (including the test procedures):

IEC 60296: Fluids for electrotechnical applications

IEC 60422: Mineral insulating oils in electrical equipment - Lines. Guidelines for maintenance and monitoring

IEC 60156: Determination of breakdown voltage at industrial frequency,

NFC 15100: Low-voltage electrical installations,

ISO 4406: Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles


Features:

The transformer oil filtration machine can be able for use with none energized power transformer and will have:

1. Oil flow rate 5000 liter/hour or more.

2. The heating speed can be more than one step.

3. Vacuum level can be between one to four absolute m bars.

4. The minimum filtration range can be not less than 2 absolute μ.

5. Dissolved moisture on the final content can be <7ppm.

6. The dissolved gas on the final content can be <0.2% by volume.

7. Can reach with the treat oil a dielectric strength not less than 70kv.


Technical Specifications:


Item



Parameter

Unit


Model ZLS


Technical Data

Flow Rate

L/H

3000

4000

6000

9000

12000

18000

Working Vacuity

Pa

≤133

Pressure

Mpa

≤0.35

Temperature Range

45-65

Power Supply


as customer required

Total Power

KW

48

78

90

120

150

230

Inlet/Outlet Diameter

mm

25

32

38

40

50

65



Size

Length

mm

1600

1800

2200

2500

2800

3450

Width

mm

1250

1450

1600

1950

2150

2600

Height

mm

2000

2200

2450

2700

3000

3000

Weight

Kg

500

700

1460

1800

2400

4000




Performance

Dielectric Strength

KV

≥75KV(spherical electrodes)

Water Removal

ppm

≤5

Gas Removal

%

≤0.1

Particles Removal

µm

3micron

If you have special requirement, please contact CTBU. CTBU have different designs as per different requirements:

•  Vertical shape.

•  "T" shape.

•  Horizontal shape.


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