AR Engineering - Transformer Oil Filtration Plants & Oil Purification Units

http://oildehydrationplant.com

 AR Engineering is a company founded by Mr. Arvind
Mutalik in 1988, for manufacturing of transformer oil
filtration machines. Since then AR Engineering has
developed different types of Insulating Oil upgrading
systems suitable for in-house and onsite operation.
The plants are suitable for Transformer & Capacitor
Manufacturers, Transformer Repairers, Transformer
Owners, Oil filtration service providers etc. These
plants work on low temperature, high vacuum
principle.

 The plants are suitable for Transformer & Capacitor Manufacturers,
Transformer Repairers, Transformer Owners, Oil filtration service
providersetc. These plants work on low temperature, high vacuum
principle.
 We also developed Trickle Impregnating Machines for varnishing of
electrical machines windings such as armatures, rotors, field coils,
stators. These machines are suitable for varnishing of electrical
windings in mass production. Auto electrical parts, mixers, fans,
electrical motors, Instrument transformers etc. are few to name.
 We also manufacture Vacuum Impregnation Plants for big electrical
windings and Vacuum Drying Ovens for drying of transformers,
capacitors etc. On line transformer oil regeneration plants are under
development.

 Our Customer list includes clients ranging from small oil
filtration service providers to big customers like NTPC,
BHEL, NHPC, various electricity boards etc. Our plants are
working all over India and countries such as Saudi Arabia,
Jordan, Qatar, Iraq, Nepal, Bangladesh, Zambia, Equator,
Egypt, Turkey etc.
 Our products are designed to suit specific requirements of
customers
 Our plants / machines are with minimum and easy
maintenance.
 Low operating costs due to adaptation of latest technology.
 Our main aim is total customer satisfaction.

 High Vacuum Transformer Oil Filtration And
Dehydration Plants
 Varnishing Machines
 Trickle Impregnation Technique
 Batch Type Trickle Impregnating Machine
 High Vacuum Transformer Oil Filtration And
Dehydration Plants
 Vacuum Impregnation Plants / PressureImpregnation
Plants
 Industrial Oil Purification Systems

High-Vacuum Transformer Oil Filtration And
Dehydration Plants are suitable for all types of
electrical insulating oils. We have standard
high-vacuum filtration and dehydration plants
to remove moisture (free as well as dissolved),
gases, dirt and oxidation products from
mineral-based and synthetic, silicon oils and
others.

Normally Impregnation is done in following manner
1. Insulating & mechanical properties of varnish.
2. Proper filling of gaps & voids.
To achieve & ensure the above two points during
varnishing one should use the appropriate varnish &
method depending on the geometry of the job. In the
modern world the mainly resin impregnation method is
used because of better mechanical & insulation strength
of resin. Normally the resin & hardener mixture is used.

In today’s competitive world the electrical insulation
materials and the processes are viewed with tremendous
cost and quality consciousness. Varnishing of electrical
machine winding forms a major part of the total cost of the
electrical insulating materials. With the increasing costs of
energy and solvents for use in varnishing, it has become a
need of the hour to look into the change in the conventional
impregnation methods such as Dip and bake varnishing or
the Vacuum impregnation.
On this background Trickle impregnation technique was
evolved to improve the varnishing quality coupled with
reduced cost. This technique is now well accepted and used
for impregnating stators / fields and armatures / rotors in all
the advanced countries.

Trickle Varnish Impregnating Machine is suitable for pre-
heating, trickling and post heating of stators. The machine is
simple and compact in design. It is easy for operation and
maintenance. It is ideally suitable for batch type production
of stators. The machine is suitable for carrying out following
automatic cycle.
1. Load stators on spindles, connect winding wires, close the
front door and start cycle with push button.
2. Spindles start rotating and get pre-heated to
predetermined temperature.
3. Temperature of stator is sensed by non Contact-Us TIC.
4. Spindle holding plate is tilted up and varnish pipes are
tilted down to adjust the place of trickling.

High-Vacuum Transformer Oil Filtration And Dehydration
Plants are suitable for all types of electrical insulating
oils. We have standard high-vacuum filtration and
dehydration plants to remove moisture (free as well as
dissolved), gases, dirt and oxidation products from
mineral-based and synthetic, silicon oils and others.

Vacuum Impregnation Plants and Pressure Impregnation Plants is
designed for varnish impregnation to be carried out in following steps
and will be generally as per the schematic diagram attached.
Pre-heating the jobs in either Impregnation Chamber or in Oven if you
have a less time available.Evacuation of vacuum Impregnation Chamber
(after putting the jobs) to make the voids in the jobs clear and drying of
jobs for specific time & required temperature / vacuum.
Induction of impregnant (Varnish) in the Impregnation Chamber from
impregnant Tank to submerge the jobs in it.
Pressurize the Impregnation Chamber with dry air or nitrogen to fill the
voids with Impregnant.
Return the varnish to Impregnant Tank.
aCure the jobs either in vacuum Impregnation Chamber or in Oven for
specific time if time available is less.

Industrial Oil purification systems are designed &
manufactured to suit the specific requirement of the
customer. Normally the oil is deteriorated by contamination
of foreign particles, moisture (free & dissolved), oxidation
sludge etc. The deteriorated oil affects the performance of
the equipment in which it is used because of change in
properties. Different modules are designed to remove
particular types of contaminations. The purification system
normally consists of filtration / purification stages for
economical operation. In pre filtration stage coarse particles
are removed using cleanable / washable elements.

AR Engineering, L - 77, Additional M.I.D.C.,Satara -
415004, (India)
+91 - 98223 93556
+91 - 9422605890
+91 - 9423992734
E-mail : info@arengg.net

AR Engineering - Transformer Oil Filtration Plants & Oil Purification Units

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