Continuously Transposed Conductors (CTC)

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Description

Continuously Transposed Conductors (CTC)

Continuously Transposed Conductor (CTC) consists of a group of enameled rectangular strips, PVA or PVA epoxy with bonding layer type which are connected up parallel to the ends. In this group each strand successively and repeatedly takes on every possible position inside the conductor cross section. Continuously Transposed Conductors are used in Large Power Transformers, Furnace Transformers, and Traction Locomotive Transformers.

CTCs are made up of multiple insulated strands that are transposed along the length of the conductor. This transposition balances the magnetic flux exposure among strands, significantly reducing eddy current losses that can occur when conductors are exposed to changing magnetic fields. Overall, the design and performance benefits make CTCs highly suitable for applications demanding high efficiency, durability, and compactness, particularly in Oil filled Power transformers ,HVDC transformers ,Large distributions transformers & Reactors .

Parameter	Range
Number of Strands	5 to 48
Width (Single Strip)	3.15 mm to 11.50 mm
Thickness (Single Strip)	0.90 mm to 3.00 mm
Number of Layers	Maximum 24
Transposing Factor	6 to 12