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Fire resistant Cast resin transformers are well suited for installation in high-rise buildings, hospitals, underground tunnels, school, steel factories, chemical plants and places where fire safety is a great concern. Hazard free to the environment, cast resin transformers have over the years proven to be highly reliable.
Our Transformer Range :
- Distribution range from 50kVA to 3000kVA
- Power range from 3000kVA to 16MVA
- Primary voltages up to 36KV
Basic Features :
- Free standing cast resin transformer complete with bi-directional rollers
- Set of PT100 Ohm
- Naturally ventilated steel enclosure (IP21)
- Bottom entry gland plates for HV & LV terminations
- Naturally cooled (AN)
- Tap changer (Manual links)
- Rating plate
- Lifting points
- Earthing point
- Compliant to IEC 726
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Cast Resin Transformer
Catalog
For the demand of safety for the power distribution equipment, dry type transformers with fire resistant, non-polluting and humidity resistant features are often the right choice. AEC cast resin transformer will provide the best and safest service to all kinds of power distribution system application.
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160kVA to 15 MVA dry type cast resin transformers, up to 36kV
Description
IEC 60076-1 to 5 and 60076-11 Standards
Main characteristics:
. Phase to phase secondary voltage (V):400 to 433
. Phase to neutral secondary voltage (V):231 to 250
. Short circuit and lightning impulse withstand up to 250kV
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Cast resin distribution transformers: Power ratings from 100 kVAto 10,000 kVA/36 kV
An alternative option to liquid-filled distribution transformers with the emphasis on reduced environmental impact and increased fire safety.
Cast resin distribution transformers are manufactured in Mechelen (Pauwels Trafo Belgium N.V)
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The LS Industrial Systems' CAST RESIN Transformer has succeeded in combining the advantage of oil-filled and conventional dry type transformers, which are fabricated with an epoxy resin. The windings are completely embeded under vacuum conditions.
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| ... products without technical information |
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Fire resistant Cast resin transformers are well suited for installation in high-rise buildings, hospitals, underground tunnels, school, steel factories, chemical plants and places where fire safety is a great concern. Hazard free to the environment, cast resin transformers have over the years proven to be highly reliable.
Our Transformer Range :
- Distribution range from 50kVA to 3000kVA
- Power range from 3000kVA to 16MVA
- Primary voltages up to 36KV
Basic Features :
- Free standing cast resin transformer complete with bi-directional rollers
- Set of PT100 Ohm
- Naturally ventilated steel enclosure (IP21)
- Bottom entry gland plates for HV & LV terminations
- Naturally cooled (AN)
- Tap changer (Manual links)
- Rating plate
- Lifting points
- Earthing point
- Compliant to IEC 726
|
|
Cast Resin Transformer
Catalog
For the demand of safety for the power distribution equipment, dry type transformers with fire resistant, non-polluting and humidity resistant features are often the right choice. AEC cast resin transformer will provide the best and safest service to all kinds of power distribution system application.
|
|
160kVA to 15 MVA dry type cast resin transformers, up to 36kV
Description
IEC 60076-1 to 5 and 60076-11 Standards
Main characteristics:
. Phase to phase secondary voltage (V):400 to 433
. Phase to neutral secondary voltage (V):231 to 250
. Short circuit and lightning impulse withstand up to 250kV
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|
Cast resin distribution transformers: Power ratings from 100 kVAto 10,000 kVA/36 kV
An alternative option to liquid-filled distribution transformers with the emphasis on reduced environmental impact and increased fire safety.
Cast resin distribution transformers are manufactured in Mechelen (Pauwels Trafo Belgium N.V)
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The LS Industrial Systems' CAST RESIN Transformer has succeeded in combining the advantage of oil-filled and conventional dry type transformers, which are fabricated with an epoxy resin. The windings are completely embeded under vacuum conditions.
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| ... products without technical information |
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When processing multi-component materials, homogenous mixing of the components becomes extremely important.
Wide differences in media viscosity, short pot life, components which are difficult to mix etc., require different mixing systems.
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Materials remain separate until injected into static mixer.
The patented Graco PD44 Valve features balanced inlet/outlet spool assemblies that do not displace
material while shifting from the reload to the dispense position. This allows pressure feeding of the
"A" and "B" components up to 1200 psi during reloading while isolating the materials from the mixer
inlet. Upon shifting to the dispense position, an accurate volume of "A" and "B" components
is injected into the disposable mixer inlet by rod displacement metering technology
Reload
Spools shift to the right
- Material feed inlets are opened
- Materials are transferred into the metering chambers
by a pressurized feed system
- Outlet ports are blocked
- Metering rods are retracted to a precise position determining
the volume of each material
Shift
The balanced spool assemblies shift to the dispense position
- Material path to the mixer inlet is opened
- Material feed inlet ports are blocked
- Metering rods remain in the retracted position
Dispense
Metering rods drive down
- A and B materials are simultaneously dispensed from the metering
chamber into the disposable mixer
- A and B materials are dispensed at the predetermined volume ratio.
Upon completion of the dispense stroke, the metering rod
and spool assemblies shift back to the reload position
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| ... products without technical information |
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Cold Dipping method (Piece in Vertical Axis, in Static Position and Not Preheated) gives the piece a medium-low absorption level in terms of quantity of Resin, mainly on the Copper winding, while on the Core Lamination (Intra-Lamination effect) it seems not to have big advantages. Cold Dipping Technology is Worldwide largely used and is suggested to Impregnate all those electrical products where working stresses are very low or those components for which other methods can not be used (for instance: Transformers, Coils, Bobbins). The resin's solid content after dripping is very low.
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Hot Dipping method (Piece in Vertical Axis, in Static Position and Preheated), likewise for the Hot Roll Dip Method, gives the piece a medium absorption level in terms of quantity of Resin, not only on the Copper winding but also on the Core Lamination.
Hot Dipping Technology combines two main aspects to reach the Best Results:
Dipping Phase in Tank at controlled immersion Speed and Hot pieces, so the penetration of Resin will be complete on all Piece's Sections.
Heating Technology in High-Performance Air Ovens, this causes a faster Gelling phase of the resin than traditional Ovens with the consequent achieving of a more restrained Dropping.
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This method (Piece in Horizontal Axis and in rotation state) gives to the electrical components an high absorption of the resin : on the Winding in Copper and the Core Lamination that is the heart of the piece . The Technical advantages coming from this method consist mainly in:
- Regular and Uniform Resin distribution on the whole winding and this guarantees a better piece balancing , first of all for rotating components (Armatures , Rotors , Polar Wheels , so on).
- Resin is excellently retained on the windings , therefore a greater quantity of Resin will remain on surfaces, by giving higher mechanical and thermal properties .
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Impregnation Plants
Trickling method
This method (Piece in Horizontal Axis and in rotation state) gives to the components (Stator or Rotor) an Excellent and Regular Resin Saturation in the Winding Slots, besides the resin applied on the two winding's heads. Technical Advantages using this Impregnation method consist mainly in:
By using Correct and Constant Process Parameters, 100% of right quantity of Resin will be applied on the Piece, so that Unnecessary waste of this expensive element will be avoided.
Application of the Resin in the right specific Zones, so that resin deposits in Technological Areas only and any cleaning after-work for removal operations will be necessary.
A Best and Uniform distribution of the Resin in the different Sections of the winding is guaranteed by the Rotation of the Piece, so ensuring constant and homogeneous results in the different Pieces' Sections.
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