Anti Corona Generator Stator Bars Copper Steam Turbine Spares OEM
Product Details
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copper steam turbine spares,generator stator bars copper,anti corona generator stator bars |
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Product Description
Generator Stator Bars
General Function
Key Features
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Advanced Transposed Design: The stator bars are meticulously woven and transposed from multiple strands of insulated flat copper wires. This complex internal geometry is specifically engineered to minimize additional electrical losses.
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Superior Insulation Integrity: The exterior of the bars is wrapped with multiple layers of epoxy mica tape, which boasts exceptionally high dielectric strength. This insulation is securely formed and cured through a rigorous thermal pressing process.
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Comprehensive Anti-Corona Protection: To manage high-voltage stress, the outermost layer of the bar's straight section is wrapped with a low-resistance semiconductor anti-corona tape.
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Graduated Electrical Resistance: The ends of the stator bars feature a specialized transition from medium to high electrical resistance. This critical design reduces the potential gradient, completely preventing harmful corona discharge.
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Dedicated Manufacturing Line: Our advanced facility is equipped with dedicated bar transposition, hot press, and Vacuum Pressure Impregnation (TVPI) equipment, boasting an annual production capacity of 2,500 stator bars.
Technical Parameter Table
| Parameter | Specification |
| Product Name | Generator Stator Bar |
| Conductor Material |
Woven and transposed insulated flat copper wires
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| Primary Insulation |
Thermally pressed epoxy mica tape
|
| Straight Section Shielding |
Low-resistance semiconductor anti-corona tape
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| End Section Shielding |
Medium-to-high resistance transition grading
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| Production Technology |
Transposition, Hot Press, TVPI
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Frequently Asked Questions (FAQ)
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How do these stator bars prevent corona discharge? We utilize a highly specialized grading system for anti-corona protection. The straight section is coated with a low-resistance semiconductor tape, while the ends transition from medium to high resistance, effectively reducing the electrical potential gradient and preventing corona discharge entirely.
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Why are the internal copper wires woven and transposed? Transposing the multiple strands of flat copper wires ensures that electrical current is distributed evenly across the conductor cross-section. This minimizes additional losses (such as eddy currents) and significantly increases the overall efficiency of the generator.
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What ensures the reliability of the insulation? The bars rely on multiple layers of high dielectric strength epoxy mica tape. Utilizing our advanced production line—which includes hot pressing and Vacuum Pressure Impregnation (TVPI)—the insulation is thoroughly cured and consolidated to eliminate voids.
Product Highlights
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