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Supplier: DuPont Protection Technologies
Description: DuPont™ Nomex® Type 926 is a strong, high-dielectric, thermally-stable paper that is specifically designed for use as conductor insulation in liquid-immersed transformers. Type 926 is not appropriate for use as conductor insulation for dry type transformers.
- Basis Weight: 40.4 gsm
- Dielectric Strength: 6.18E7 to 1.73E8 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
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Supplier: DuPont™ Nomex® Energy Solutions
Description: DuPont™ Nomex® Type 926 is a strong, high-dielectric, thermally-stable paper that is specifically designed for use as conductor insulation in liquid-immersed transformers. Type 926 is not appropriate for use as conductor insulation for dry type transformers.
- Basis Weight: 40.4 gsm
- Dielectric Strength: 6.18E7 to 1.73E8 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
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Supplier: DuPont Protection Technologies
Description: Type 411, a lower density version of Nomex® paper, it is available in thicknesses from 0.13 to 0.58 mm (5 to 23 mil), with a specific gravity of 0.3 and correspondingly lower electrical and mechanical properties. It is used in application such as motor phase insulation and
- Basis Weight: 42 to 205 gsm
- Dielectric Strength: 8.66E6 to 1.77E7 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
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Supplier: DuPont™ Nomex® Energy Solutions
Description: Type 411, a lower density version of Nomex® paper, it is available in thicknesses from 0.13 to 0.58 mm (5 to 23 mil), with a specific gravity of 0.3 and correspondingly lower electrical and mechanical properties. It is used in application such as motor phase insulation and
- Basis Weight: 42 to 205 gsm
- Dielectric Strength: 8.66E6 to 1.77E7 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
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Supplier: DuPont Protection Technologies
Description: as slot insulation in hand-wound motors, for linear wrapping of wire and as main insulation for fluid-filled and dry-type transformers, where conformability and impregnability are required.
- Basis Weight: 83 to 398 gsm
- Dielectric Strength: 2.40E7 to 4.72E7 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
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Supplier: DuPont™ Nomex® Energy Solutions
Description: as slot insulation in hand-wound motors, for linear wrapping of wire and as main insulation for fluid-filled and dry-type transformers, where conformability and impregnability are required.
- Basis Weight: 83 to 398 gsm
- Dielectric Strength: 2.40E7 to 4.72E7 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
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Supplier: DuPont Protection Technologies
Description: Type 418 is produced by intimately blending mica platelets with Nomex®. It is available in thicknesses from 0.08 to 0.36 mm (3 to 14 mil), and is designed for high-voltage applications, including motor conductor and coil wrap, and transformer ground and layer insulation. Nomex® Type
- Basis Weight: 89.2 to 397 gsm
- Dielectric Strength: 3.03E7 to 6.30E7 V/m
- Electrical Resistivity: 1.00E14 to 1.00E17 ohm-cm
- Industrial: Electrical / Electronics
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Supplier: DuPont™ Nomex® Energy Solutions
Description: Nomex® 818 (50% mica) is designed for high-voltage applications, including: motor conductor and coil wrap, and transformer ground and layer insulation. It has high inherent dielectric strength (30 kV/mm [760 V/mil] to 40 kV/mm [1,015 V/mil]), but can also be readily impregnated with
- Dielectric Strength: 3.15E6 V/m
- Industrial: Electrical / Electronics
- Industrial Paper: Electrical Insulation / Separators
- Maximum Use Temperature: 482 F
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Supplier: SMC International
Description: program. The recovery voltage test, designed for oil insulated transformers, is a new outstanding technology which allows advanced diagnostic of the paper insulation status and ageing, without considering the status of the insulation oil. It is a great advance, due to the
- Features: Graphic Results
- Form Factor: Rack Mount
- Input Voltage: 115 to 230 volts
- Operating Humidity: 10 to 80 % (non-condensing)
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Supplier: Saint-Gobain Tape Solutions
Description: h-old 6601 is a Glass filaments reinforced paper coated on one side with a high quality acrylic adhesive system. Designed for oil filled transformer applications requiring a high tensile strength tape with excellent adhesion used for holding and securing paper layer
- Adhesive: Acrylic
- Backing: Paper
- Temperature Resistance: -30 C
- Thickness: 0.0093 inches
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Supplier: Saint-Gobain Tape Solutions
Description: h-old X.250 is a 250 micron Nomex® paper coated on one side with high-temperature acrylic adhesive and protected by white siliconized release paper liner. Designed for high temperature electrical applications where a strong and puncture resistant backing is required. Applications:
- Adhesive: Acrylic
- Backing: Paper
- Temperature Resistance: -15 C
- Thickness: 0.0118 inches
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Supplier: Saint-Gobain Tape Solutions
Description: h-old R.180 is a 160 micron Polyester film/Paper laminate coated on one side with a thermosetting rubber adhesive system. Designed for use in holding and insulation applications during transformer and motor manufacturing. Applications: Ground and barrier insulation for
- Adhesive: Rubber
- Backing: Paper
- Temperature Resistance: -15 C
- Thickness: 0.0087 inches
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Supplier: Saint-Gobain Tape Solutions
Description: ) Applications: Phase insulation of electrical motors , generators , etc. Outer wrapping and anchoring of electrical transformers , coils , etc.
- Adhesive: Acrylic
- Backing: Paper
- Temperature Resistance: -40 C
- Thickness: 0.0047 inches
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Supplier: Eaton Cooper Power Systems
Description: -temperature insulation system approach — comprised of thermally upgraded kraft paper, Envirotemp™ FR3™ dielectric fluid, and an optimized core and coil design — a 75 °C Average Winding Rise (AWR) PEAK transformer results in a smaller footprint and a lighter unit capable of
- Maximum Primary Voltage Rating: 2400 to 46000 volts
- Maximum Secondary Voltage Rating: 120 to 24940 volts
- Mounting / Form Factor: Pad-Mounted
- Power Rating (VA): 500000 to 6.67E6 VA
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Supplier: Eaton Cooper Power Systems
Description: -temperature insulation system approach — comprised of thermally upgraded kraft paper, Envirotemp™ FR3™ dielectric fluid, and an optimized core and coil design — a 75 °C Average Winding Rise (AWR) PEAK transformer results in a smaller footprint and a lighter unit capable of
- Mounting / Form Factor: Pole-Mounted
- Power Rating (VA): 5000 to 167000 VA
- Transformer Category: Power / Power System / Distribution Transformer
- Type: High-Voltage Transformer, Power Transformer, Single Phase Transformer
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Supplier: Eaton Cooper Power Systems
Description: -temperature insulation system approach — comprised of thermally upgraded kraft paper, Envirotemp™ FR3™ dielectric fluid, and an optimized core and coil design — a 75 °C Average Winding Rise (AWR) PEAK transformer results in a smaller footprint and a lighter unit capable of
- Cooling: Oil Filled
- Mounting / Form Factor: Pad-Mounted
- Power Rating (VA): 10000 to 167000 VA
- Transformer Category: Power / Power System / Distribution Transformer
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Supplier: Eaton Cooper Power Systems
Description: -temperature insulation system approach — comprised of thermally upgraded kraft paper, Envirotemp™ FR3™ dielectric fluid, and an optimized core and coil design — a 75 °C Average Winding Rise (AWR) PEAK transformer results in a smaller footprint and a lighter unit capable of
- Cooling: Oil Filled
- Maximum Primary Voltage Rating: 2400 to 46000 volts
- Maximum Secondary Voltage Rating: 120 to 14400 volts
- Mounting / Form Factor: Pad-Mounted
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Supplier: Norplex-Micarta
Description: will not melt like most thermoplastics. Thermoset epoxy composites are ideal for applications ranging from small switch parts to insulating high voltage tap chargers in power transformers, and other applications requiring electrical insulation properties. *The use temperature or
- Form / Shape: Film / Sheet
- Industry: Electronics
- Material Type / Grade: Flame Retardant (e.g. UL 94 Rated), UL Approved
- Polymer Matrix Type: Epoxy
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Description: compared to a candidate system of any combination of solid and insulating liquid. The test procedures in this part are specifically applicable to liquid immersed transformer insulation systems.
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Supplier: ASTM International
Description: 1.1 This specification covers electrical grade unsized, unbleached sulfate paper and paperboard for use as layer insulation in coils, transformers, and similar apparatus. Tissue for the manufacture of capacitors is not included in this specification. Other commonly used
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Supplier: ASTM International
Description: This specification covers electrically insulating, unbleached sulfate paper and paperboard used as layer insulation in coils, transformers, and other similar apparatus. The materials may also be used as turn insulation, slot liners, wedges, phase insulation, and
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Description: This guide includes guidelines for following: insulating oil maintenance and diagnostics, oil reclamation, testing methods for the determination of remaining insulation (paper) life, and upgrades of auxiliary equipment such as bushings, gauges, deenergized tap changers (DETCs), on load
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Supplier: CSA Group
Description: compared to a candidate system of any combination of solid and insulating liquid. The test procedures in this part are specifically applicable to liquid immersed transformer insulation systems.
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Description: Guidelines for the following are included in the standard: insulating liquid maintenance and diagnostics, liquid reclamation, testing methods for the determination of remaining insulation (paper) life, and upgrades of auxiliary equipment such as bushings, gauges, de-energized tap
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Description: Guidelines for the following are included in the standard: insulating liquid maintenance and diagnostics, liquid reclamation, testing methods for the determination of remaining insulation (paper) life, and upgrades of auxiliary equipment such as bushings, gauges, de-energized tap
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Supplier: OMICRON electronics Corp. USA
Description: The most important aging indicator of transformers is the water content in the solid part of the insulation (paper, pressboard). An accurate knowledge about the actual moisture concentration is thus required in order to decide if further corrective action, such as on-site
- Features: Computer Interface
- Form Factor: Stand Alone / Bench
- Operating Humidity: 20 to 95 % (non-condensing)
- Operating Temperature: -10 to 55 C
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Supplier: ELANTAS North America LLC
Description: VPI / dip-and-bake resin - semi-flexible for transformers
- Chemical / Polymer System Type: Epoxy (EP)
- Coeff. of Thermal Expansion (CTE): 80 to 130 µin/in-F
- Composition: Single Component System, Unfilled
- Cure Type / Technology: Thermosetting / Crosslinking
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Supplier: ELANTAS North America LLC
Description: Low temperature cure trickle / dip-and-bake resin for transformers and motor stators
- Chemical / Polymer System Type: Polyester / Vinyl Ester
- Composition: Two Component System, Unfilled
- Cure Type / Technology: Thermosetting / Crosslinking
- Dielectric Strength: 2500 kV/in
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Supplier: ELANTAS North America LLC
Description: General-purpose dip-and bake / VPI resin for motor and transformer windings
- Chemical / Polymer System Type: Polyester / Vinyl Ester
- Composition: Two Component System, Unfilled
- Cure Type / Technology: Thermosetting / Crosslinking
- Dielectric Strength: 4100 kV/in
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Supplier: ELANTAS North America LLC
Description: VPI / dip-and-bake resin for motor and transformer windings. Chemical-resistant
- Chemical / Polymer System Type: Epoxy (EP)
- Composition: Single Component System, Unfilled
- Cure Type / Technology: Thermosetting / Crosslinking
- Dielectric Strength: 2900 kV/in
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Supplier: DuPont Electronics & Imaging
Description: form laminates with other materials, such as DuPont™ Nomex® paper or mica insulations, to provide a tailored electrical insulation property. Applications • AC Inverter Duty Motors • Rail, Automotive Traction Motors • Hydro, Wind Power Generators • Transformers
- Applications: Other
- Applications & Features: Dielectric
- Materials Processed: Specialty / Other
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Description: insulated with cellulosic paper or pressboard-based solid insulation. Information about specific types of equipment such as transformers (power, instrument, industrial, railways, distribution), reactors, bushings, switchgear and oil-filled cables is given only as an indication
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Description: pressboard-based solid insulation. Information about specific types of equipment such as transformers (power, instrument, industrial, railways, distribution), reactors, bushings, switchgear and oil-filled cables is given only as an indication in the application notes. May be applied
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Description: pressboard-based solid insulation. Information about specific types of equipment such as transformers (power, instrument, industrial, railways, distribution), reactors, bushings, switchgear and oil-filled cables is given only as an indication in the application notes. May be applied
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Supplier: SAE International
Description: insulation issues on xEV motors which utilize high voltage and high currents. Therefore, it is suggested to develop a system which supplies electric energy to the rotor field winding coil from the stator without brushes by applying a transformer between stator coil and rotor field
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Supplier: CSA Group
Description: action. This standard is applicable to electrical equipment filled with mineral insulating oil and insulated with cellulosic paper or pressboard-based solid insulation. Information about specific types of equipment such as transformers (power, instrument, industrial, railways,
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Out now: White paper on moisture in oil sensor To operate a gearbox, a transformer or an industrial plant safely and stable over a long period of time, monitoring the condition of lubricants (read more)
Browse Hygrometers and Humidity Measurement Instruments Datasheets for Innovative Sensor Technology IST USA Division
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Transformer Basics (.pdf)
ingredients for Fish Provencale. But to those in the know, these terms simply define the type of sheet insulation used in the transformer manufacturing process. Kraft paper, fish paper (vulcanized fiber), Nomex (R), and Mylar (R). are some of the sheet film insulation materials commonly used
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Condition Monitoring of Power Transformers - Bibliography Survey
[2] P. J. Baird, H. Herman, et al., “Non-destructive measurement of the degradation of transformer insulating paper ,” IEEE Trans. Elect.
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Advances in Power and Electrical Engineering
The molecules of solid cellulosic materials such as transformer insulation paper , laminated cardboard and insulation pieces of wood contain a large number of anhydrous dextrose ring and a weak CO bond, and glucosinolates, and they have weaker thermal stability than the carbon …
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Subject index 2008
On-Site Analysis of Transformer Paper Insulation Using Portable Spectroscopy for Chemometric Prediction of Aged Condition .
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Today's Transformer Insulation Systems
In the larger liquid filled power transformers paper insulated magnet wire, usually of rectangular shape, is predominant, because of its lower cost, high ratio of im- pulse to 60 cycle dielectric strength, and good mechanical characteristics.
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Review of chemical indicators of degradation of cellulosic electrical paper insulation in oil-filled transformers
(i)The life expectancy of transformer paper insulation , at normal operating temperatures, can be calculated from laboratory ageing experiments with statistical errors, which are, at best, +20% of the estimated life.
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Understanding the impacts of moisture and thermal ageing on transformer's insulation by dielectric response and molecular weight measurements
[21] P. J. Baird, H. Herman, G. C. Stevens and P. N. Jarman, “Non- destructive measurement of the degradation of transformer insulating paper ”, IEEE Trans. Dielectr.
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Energy and Power Technology
The Breakdown Voltage of Power Transformer Insulation Paper After Thermal Aging,” Transactions of China Eletrotechnical Slciety, Vol. 25, No. 11, pp. 1-8, 2010.
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Thermal aging characteristics of insulation paper in mineral oil in overloaded operation of transformers
Heat degradation characteristics of transformer insulating paper .
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Influence of natural ester on thermal aging characteristics of oil–paper in power transformers
We propose that the improvement in the thermal aging characteristics of cellulose aged in natural ester is the result of several aspects in which the natural ester can restrain the transformer insulation paper aging.
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Direct optical techniques for the measurement of water content in oil–paper insulation in power transformers
15 11–20 [5] Baird P J 2006 Spectroscopic measurement and analysis of water and oil in transformer insulating paper IEEE Trans. Dielectr.