Continuously Transposed Conductor without Paper Insulation- LP Industry

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Zhengzhou Lanpu Industrial Co., Ltd. is a company dedicated to the manufacturing of enamel wire, adhering to the principles of high quality, efficiency, and innovation to provide outstanding enamel wire products and services to customers.

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Continuously Transposed Conductor Without Paper Insulation

Continuously Transposed Conductors (CTCs) with paper insulation offer a combination of features that make them well-suited for high-voltage electrical applications.

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Transposition number

5 – 80 (odd or even optional)

Width thickness of a single conductor is

2.0 < B / a < 9.0

Coating thickness of enameled wire

0.08-0.12mm

Conductor Materials

Copper & Aluminum

OVERVIEW

CTC Conductor Application

A Continuously Transposed Conductor (CTC) with paper insulation refers to a specific type of electrical conductor used in high-voltage applications.

Power Transformers CTCs are often used in transformer windings where they offer improved current distribution, reduced losses, and enhanced thermal performance.
Power Cables CTCs can be used in power cables for transmitting electricity over long distances with minimal losses.
High-Frequency Applications CTCs are suitable for high-frequency applications such as inductors and transformers used in radio frequency (RF) systems, telecommunications, and power electronics.
Induction Heating Coils CTCs are utilized in induction heating coils where uniform current distribution is crucial for efficient and consistent heating of metals.
Railway Electrification: CTCs are employed in overhead catenary systems for railway electrification
Aerospace and Defense CTCs are used in various aerospace and defense applications, including radar systems, avionics, and satellite communication systems

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CORE FEATURES

A Continuously Transposed Conductor (CTC) is a type of electrical conductor that is commonly used in applications where high flexibility and resistance to mechanical stress are required.

Enhanced Thermal Performance: This feature is important in applications where transformers or reactors are subjected to continuous high loads.

Improved Electrical Properties: Polymer-based insulating materials can offer higher dielectric strength.

Reduced Size and Weight: The improved thermal and electrical properties of modern insulation materials may allow for a reduction in the size.

Increased Mechanical Strength: Polymer-based insulating materials are often mechanically robust and can withstand mechanical stresses and vibrations.

Better Resistance to Environmental Factors: Modern insulating materials are often more resistant to environmental factors.

Higher Operating Temperatures: leading to increased efficiency and performance of the transformer or reactor.

Customization and Flexibility: Conductor design with different insulating materials can be tailored to specific application requirements.

The departure from paper insulation leads to reduced size and weight, streamlining design and installation processes.

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Product Parameters

Continuously Transposed Conductor

Standards LP produces enamelled wires according to many different specifications.
GB 6109
IEC 60317
NEMA 1000

Specifications

LP produces enamelled wires according to many different specifications. The most important worldwide used specification is IEC, besides NEMA in North America and JIS in Asia.

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Transposition number	5 – 80 (odd or even optional)
Maximum dimension	height 120 mm, width 26 mm (tolerance ± 0.05 mm);
Single conductor size	thickness a: 0.90 – 3.15 mm, width B: 2.50 – 13.00 mm (tolerance ± 0.01 mm);
width thickness of a single conductor is	2.0 < B / a < 9.0
coating thickness of enameled wire	0.08-0.12mm
Thermal Class	class H 180℃ or Class E 105
Conductor Materials	Copper & Aluminum

Product Packaging

Reel Packaging: For larger quantities of enameled wires, manufacturers might package them on reels. Reels provide a neat and organized way to store and transport longer lengths of cable;

Cardboard or Plastic Reels: Reels used for packaging cables are commonly made from materials like cardboard or plastic.

Palletization: When shipping larger quantities, enameled wires packages may be palletized for efficient transport.

About The Packing, We Can According To Customers’ Requirement!

CTC Manufacturing Process

Two type manufacturing process: 1. 4-49 flat enameled copper or aluminum wire with paper covered; 2. 4-49 flat enameled copper or aluminum wire with cotton wire.

Why choose the CTC Wire?

CTC conductors help mitigate eddy current losses, which are losses that occur due to the circulating currents induced by the varying magnetic fields within the transformer.

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