Due to their specific insulation and innovative production processes,
HPW flat wires meet the customer requirements in a special way.
Renowned manufacturers of generators (offshore wind energy and hydropower) rely on HPW's decades of experience.
HPW wires can be wound particularly compactly. The high level of production know-how, state-of-the-art manufacturing technologies and continuous quality assurance guarantee exceptionally robust and high-quality wires. Due to the material-specific defined annealing process, the wires can be wound efficiently and are used internationally
WIND ENERGY
High-performance polymers, multilayer coatings or glass fibers, among other materials, are used to insulate flat copper wires in the wind energy sector.
Due to the specially developed annealing process, HPW’s wires show outstanding mechanical properties. This leads to superior performance during processing, especially when it comes to compact windings.
The high level of production know-how, state-of-the-art manufacturing technologies and continuous quality assurance guarantee exceptionally robust and high-quality wires that extend expensive maintenance cycles of the turbines under extreme weather conditions and on the high seas.
WATER POWER
HPW's wires are used in generators and transformers for the production of windings used in hydroelectric power generation.
HPW offers a wide range of different insulation structures to support customer requirements. Due to their specific insulation as well as the innovative manufacturing processes, the flat wires meet the customers' requirements for robust and high-quality wires in a special way.
RAIL AND MARINE
Especially for rail and marine applications, the winding wires used must be space-saving and durable. More power and a longer service life are achieved by products with HPW high-performance wires due to the possibility of tighter windings and optimized insulation processes.
Internationally renowned customers appreciate the special insulations, such as polyimide films. Thanks to extremely temperature and stress-resistant polyimide films, the wires can be used efficiently and precisely for high-performance requirements in the application.
Product Overview
BARE COPPER CONDUCTOR
Bare conductor
Material type
Electrolytic copper Cu-ETP according to EN 13605
Purity Cu + Ag > 99,90
Oxygen content 0.010 to 0.040 % by weight
Other copper qualities on request.
Electrical characteristics of Cu-ETP
Conductivity
at 20° C: ≥ 100 % IACS (≥ 58 m / Ωmm²)
Specific Resistance
at 20° C: ≤ 0.01724 Ωmm² / m
General characteristics
Round wires according to EN 60317 (IEC 317)
Flat wires according to EN 60317 (IEC 317)
INSULATED COPPER FLAT WIRE (MICA)
Mica (MICA)
Application
Medium and high voltage machines
Bare conductor material
Copper, soft or with increased yield strength (CPR)
Aluminium, soft
Insulation
Mica tape consisting of polyester carrier film
mica paper and epoxy resin as binders,
Temperature index 155
Mica tape consisting of polyimide carrier film
mica paper and epoxy resin as binder,
Temperature index 180
Test standards
EN 60851 (IEC 851)
or according to customer specification
INSULATED COPPER FLAT WIRE (PI)
Polyimide (PI)
Application
Traction motors and motors for special
Applications, drive motors for oil well pumps
Bare conductor material
Copper, soft or with increased yield strength (CPR)
Aluminium, soft
Insulation
Polyimide foil, FEP-coated and heat sealed,
Temperature index 240
Corona-resistant polyimide film, FEP-coated and
heat sealed, temperature index 240
Test standards
EN 60851 (IEC 851)
or according to customer specification
ENAMEL-INSULATED FLAT WIRE (ENAMEL)
Enamel
Application
Motors, generators, transformers, chokes
Bare conductor material
Copper, soft
Insulation
Polyamidimide, temperature index 220
Test standards
EN 60851 (IEC 851)
or according to customer specification
Chemical compatibility
ROUND AND FLAT WIRES INSULATED WITH GLASS YARN
Glassyarn
Application
Motors, generators and dry transformers
Bare conductor material
Copper soft, aluminium soft
Insulation
E-glass, alkali-free, impregnated with:
Polyurethane, temperature index 155
Polyesterimide, temperature index 180
Epoxy resin, temperature index 155
Epoxy resin in B stage, temperature index 180
Test standards
EN 60851 (IEC 851)
or according to customer specification
Chemical compatibility
ROUND AND FLAT WIRES INSULATED WITH GLASS/POLYESTER MIXED YARNS
Mixed Yarn
Application
Motors and generators
Bare conductor material
Copper soft, aluminium soft
Insulation
Combined polyester-glass fibre mixes yarn
Glass fibre content approx. 53 % by weight
Polyester content approx. 47 % by weight
Temperature index 155
Usually not impregnated,
impregnation with the varnishes for glassfibre covered
winding wires possible.
Test standards
EN 60851 (IEC 851)
or according to customer specification
COMBINED INSULATIONS
Enamel + Yarn
Application
Traction and other engines, generators
Bare conductor material
Copper, soft
Insulation
Enamelled wire, temperature index 200 wound with:
Impregnated glass yarn
Mixed yarn
Mixed yarn as inner layer and
glass yarn impregnated as outer layer
Test standards
EN 60851 (IEC 851)
or according to customer specification
Chemical compatibility
HOLLOW CONDUCTOR
Hollow Conductor
Application
Directly cooled windings
Bare conductor material
Copper, soft
Insulation
Polyiamide foil
Glass yarn
Glass/polyester mixed yarn
For details on the respective insulation, please refer to the
relevant pages of the catalogue.
POLYESTER
Polyester Film
Application
Traction transformers and motors
Bare conductor material
Copper, soft
Insulation
Enamelled wire, temperature index 200 wound with:
Nomex® 410 or
heat-sealed polyester film, temperature index 155
Test standards
According to customer specifications
