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Stream-Line:
Insulating Fluid Treatment Systems
Insulating Fluid
is vitally important for the safe and efficient operation of many types
of electrical equipment. In addition to its insulating properties, the
fluid is used as a coolant in transformers and as a means of arc suppression
in circuit breakers. In each case the operation of the electrical equipment
depends on the purity of the insulating fluid, which in services can
be contaminated by particles, water, gases and chemical products.
Should electrical
equipment be continuously operated with contaminated fluid, it's efficiency
will be impaired, resulting eventually in the risk of total failure.
Typically insulating fluid is contaminated in the following ways:
- Particles including
fibres, rust and colloidal carbon.
- Free and dissolved
water.
- Gases produced
by fluid ageing, equipment failure and arc suppression in switchgear.
- Chemical products
caused by oxidation, as well as cross contamination by other products.
Although individually each contaminant reduces the insulating characteristics
of the fluid by around 20%, the combination of fibres from insulating
material and water can reduce its performance by up to 90%.
Insulating fluid
treatment maintains the integrity of the fluid and hence the efficient
utilisation of the electrical equipment.
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Vokes
Stream-Line SL Range
The Vokes Stream-Line SL range relies on a high efficiency (99.9%
at 1µm absolute) 'edge type' filter pack, which can be easily
backflushed clean using compressed air.
Utilising
a high performance vacuum pump, typically the SL range will, in
a single pass, reduce water contamination from 50ppm to 5ppm and
dissolved gases from 10% to 0.25% by volume.
The Vokes
Stream-Line SL range offers a high efficiency, low maintenance,
comprehensive solution for treating insulating fluid.
| Available
Documents |
Acrobat
Version
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| Stream-Line
General Brochure |
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| SL05
Operating Instructions |
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| SL10
Operating Instructions |
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| SL20
Operating Instructions |
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| SL40
Operating Instructions |
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| SL60
Operating Instructions |
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Vokes
Stream-Line C Range
The Vokes Stream-Line C Range utilises a high efficiency (98.7%@1µm)
disposable Vokes Microfine
filter cartridge, which has been specially developed for use with
insulating fluids.
The C Range
of plants are up to 30% more energy efficient than there SL equivalents,
and still returns performance synonymous with the Stream-Line
name - water contamination reduction from 50ppm to 5ppm, dissolved
gases from 10% to 0.25% by volume all in a single pass.
The Vokes
Stream-Line C Range offers a compact, high efficiency, low maintenance,
comprehensive solution for treating insulating fluid.
| Available
Documents |
Acrobat
Version
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| Stream-Line
General Brochure |
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| C1000
Operating Instructions |
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| C2000
Operating Instructions |
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| C4000
Operating Instructions |
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| C6000
Operating Instructions |
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| C12000
Operating Instructions |
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| Model |
Rated
Capacity (l/hr)
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Mobility
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Available
Acrobat Documents |
| Datasheet |
GA
Drawing |
| C1000 |
1000 |
Fixed |
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| C1000 |
1000 |
Mobile |
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| C2000 |
2000 |
Fixed |
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| C2000 |
2000 |
Mobile |
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| C4000 |
4000 |
Fixed |
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| C4000 |
4000 |
Mobile |
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| C6000 |
6000 |
Fixed |
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| C6000 |
6000 |
Mobile |
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5044-GA |
| C12000 |
12000 |
Fixed |
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5050-GA |
| C12000 |
12000 |
Mobile |
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Vokes
Stream-Line De-Acid Modules
In use, insulating oil will with time turn acidic and if not corrected
result in the precipitation of sludge leading to, insulation breakdown
brought about by restriction of the cooling effect and corrosion
of the metal surfaces above the oil level caused by condensed acidic
vapours.
Users of electrical
equipment utilising insulating oil, should monitor this and other
contaminants. Once acidity is detected as having reached a maximum
acceptable level, normally between 0.1and 0.5mgKOH/gr, the insulating
oil must be either discarded or regenerated.
Vokes Stream-Line
Fullers Earth Modules have been developed to be utilised in conjunction
with Vokes
Stream-Line SL and C Range plants enabling operators to regenerate
their own oil.
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Vokes Stream-Line
STC - Tap Changer Filter Modules
Maintaining the quality of the insulating fluid within a tap changer
prolongs the life of the electrical contacts and extends the service
interval between insulating fluid changes. Stream-Line STC modules
have been specifically developed to satisfy these requirements.
- Full flexability
- programmable controller for operating time and functional
period
- High efficiency
filtration (0.5µm nominal)
- Water
absorbent cartridge option available
- Four standard
electrical configurations (415v3ph50Hz, 380v3ph50Hz, 380v3ph60Hz
and 440v3ph60Hz)
- Two flow
rates (3l/min and 5l/min)
- Single
enclosure - totally weather protected to IP65
- Plinth
mounted for simple on site locating
- Easy filter
maintenance - element can be changed without shutting down system
| Available
Documents |
Acrobat
Version
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| Stream-Line
STC Brochure |
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