As an important material, enameled copper wire is a main variety of winding wire, which consists of conductor and insulating layer. After the bare copper wire is softened by annealing, it is painted and baked many times. It has been widely used in the motors, transformers, compressors and other industries as well as new energy vehicles, rail transit, wind power, smart home and other fields. 

LP Industry is a custom producer of film insulated rectangular magnet wire. LP Industry has the capability to produce larger transformer wires in sizes up to .400″ in width down to the smaller insulated ribbon with a thickness starting around .001″ and typically found in pancake coils. With a variety of enamels to choose from and low quantity minimums, LP Industry can meet your custom insulated ribbon wire needs.

Application of Enamelled Copper Wire
Enamelled Aluminium Wire or Enameled Copper Wire is a wire coated with a thin layer of enamel (varnish) insulation to prevent the wire surfaces from being in a short circuit when wound into coils. Magnetic flux is created when current flows through the coil. Aluminum Enameled Wire and Copper Enamelled Winding Wire are used mainly in the construction of motors, electromagnets, transformers and inductors. For ease of manufacturing inductive components like transformers and inductors, most of these wires can be soldered.

To satisfy different requirements of those fields, it divides into various kinds of specification, such as Self-Solderable Polyurethane Series, Nylon Overcoating Series, Polyester Series, Polyester-imide Over coated with Polyamide-imide, Polyester-imide Series, Corona-resistant Enameled Wires Used for Inverter-fed Motors, etc,. '

Transformer Winding Arrangements
Transformer windings form another important part of a transformer construction, because they are the main current-carrying conductors wound around the laminated sections of the core. In a single-phase two winding transformer, two windings would be present as shown. The one which is connected to the voltage source and creates the magnetic flux called the primary winding, and the second winding called the secondary in which a voltage is induced as a result of mutual induction.

The type of wire used as the main current carrying conductor in a transformer winding is either copper or aluminium. While aluminium wire is lighter and generally less expensive than copper wire, a larger cross sectional area of conductor must be used to carry the same amount of current as with copper so it is used mainly in larger power transformer applications.

Sandwiched or “pancake” coils consist of flat conductors wound in a spiral form and are so named due to the arrangement of conductors into discs. Alternate discs are made to spiral from outside towards the centre in an interleaved arrangement with individual coils being stacked together and separated by insulating materials such as paper of plastic sheet. Sandwich coils and windings are more common with shell type core construction.