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Transposed Stator Bar

The product features a controlled molding angle with no damage to the insulation layer, ensuring optimal electrical performance of the coil in the final application stage. The molding angle ranges from 30° to 50°, and the transposition angle can be 360° or 540°. The overall length can reach up to 10 meters.

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Technical Parameters

Technical Parameters
Item	Specification
Product Name	Continuously Transposed Stator Bar
Conductor Material	ETP Copper / Oxygen-Free Copper (Purity ≥ 99.95%)
Conductor Structure	Roebel Continuously Transposed Conductor (CTC)
Application	Hydro Generators, Turbo Generators, High-Voltage Motors
Insulation System	High-Performance Composite Insulation System
Thermal Class	Class F / Class H
Operating Temperature	-40°C to +180°C
Transposition Angle	360° / 540°
Molding Angle	30° – 50°
Maximum Bar Length	Up to 10 m
Dielectric Strength	≥ 3.0 kV
Insulation Resistance	≥ 100 MΩ·km
Mechanical Strength	Excellent Mechanical Stability
Bending Performance	No Insulation Cracking During Bending
Insulation Integrity	No Delamination or Insulation Damage After Forming
Surface Finish	Smooth and Uniform Insulation Surface
Manufacturing Process	Precision Forming & Continuous Transposition
Standards	IEC / IEEE / Customer Specifications

Application

This product is widely used in high-voltage and high-power electrical machines requiring excellent electrical performance and mechanical stability, including:

Large and medium-sized high-voltage motors
Hydro-generators and turbo generators
Industrial drive motors in metallurgy, mining, and petrochemical industries
Traction motors for rail transit systems
High-efficiency energy conversion equipment
Heavy-duty electrical machines operating under long-term load conditions

FAQs

Q1: What are these products mainly used for?

These products are mainly used in high-voltage and high-power rotating electrical machines, including large and medium-sized generators, turbo generators, and industrial high-voltage motors requiring reliable stator winding systems.

Q2: What is the difference between transposed bars, gel-cured bars, and stator coils?

Transposed bars are used to reduce eddy current losses in high-voltage windings, gel-cured straight bars provide high structural stability through insulation curing, and stator coils are pre-formed winding components used in generator assembly systems.

Q3: What insulation systems are used in these products?

Common insulation systems include mica-based composite insulation, epoxy resin systems, and gel-impregnated or steam-cured insulation structures, depending on the product type and application requirements.

Q4: What are the key advantages of these products?

They offer high electrical reliability, excellent insulation performance, strong mechanical strength, good thermal stability, and low partial discharge characteristics, making them suitable for long-term operation in demanding power generation environments.

Q5: Can these products be customized according to design requirements?

Yes. All products can be customized in terms of dimensions, conductor structure, insulation system, transposition angle, curing process, and electrical performance according to customer technical drawings and application requirements.