Energy and Chemical Production Supporting Power Supply Project of a Certain Silicon Alloy Limited Liability Company in Sichuan Province
The power supply project supporting energy‑chemical production at a silicon alloy limited liability company in Sichuan is being supplied with customized power transformers by Shaanxi Hante Smart Power Equipment Co., Ltd. The core equipment consists of one S22‑63000/115‑10.5 kV oil‑immersed, double‑winding, no‑load tap‑changing three‑phase power transformer, designed to meet the high‑energy‑consumption load requirements of silicon alloy and other chemical manufacturing processes. Delivery is scheduled within 40 days of the contract’s effective date, ensuring continuous and stable power supply to the energy‑chemical production lines.
Project Overview
The power supply project supporting energy‑chemical production at a silicon alloy limited liability company in Sichuan is being supplied with customized power transformers by Shaanxi Hante Smart Power Equipment Co., Ltd. The core equipment consists of one S22‑63000/115‑10.5kV oil‑immersed, double‑winding, no‑load tap‑changing three‑phase power transformer, designed to meet the high‑energy‑consumption load requirements of silicon alloy and other chemical manufacturing processes. Delivery is scheduled within 40 days of the contract’s effective date, ensuring continuous and stable power supply to the energy‑chemical production lines.
Advantages and Features
1. High energy efficiency and low losses, meeting the demanding high-load requirements of the chemical industry.
• Equipped with an S22‑class energy‑efficiency model, its no‑load and load losses significantly exceed national standards, resulting in substantial long‑term reductions in electricity costs.
• Rated capacity: 63 MVA; voltage ratio: 115 ±2×2.5%/10.5 kV, perfectly matched to the power grid of the chemical industrial park.
2. High insulation and superior protection, suitable for harsh chemical‑industrial environments.
• Anti‑contamination casing, with a creepage distance of ≥31 mm/kV, offering excellent resistance to pollution and moisture, ideal for chemical plant environments characterized by high dust levels and corrosive conditions.
• Insulation class A, with high insulation withstand voltage standards and ample safety redundancy.
3. Stable and reliable operation, meeting the requirements of continuous production.
• Cooling method: ONAN; temperature rise is tightly controlled: top-oil temperature ≤ 55 K, average winding temperature rise ≤ 65 K, ensuring no overheating under long-term full-load operation.
• The fuel tank has passed a vacuum test at 133 Pa and a positive-pressure test at 98 kPa; it exhibits no leakage under a 50 kPa hydrostatic pressure for 24 hours, with a service life of ≥20 years.
4. Strong short-circuit and overload resistance
• The windings meet the dynamic and thermal stability requirements, with a short-circuit duration of ≥3 seconds, ensuring resilience against the inrush currents during the startup of chemical equipment.
• The overexcitation and overload capabilities comply with national standards, making it well-suited to the large load fluctuations and strong impact characteristics typical of chemical processes.
5. High-quality configuration, stable and reliable
• Both the primary and secondary windings are made of all-copper, offering excellent electrical conductivity, low heat generation, and long service life.
• Uses Karamay 45# naphthenic transformer oil and a vacuum oil-filling process, ensuring stable insulation and heat dissipation.
6. Delivery and Warranty Enhancement
• Prompt delivery within 40 days of the contract’s effective date, with the supplier responsible for transportation and associated costs, and timely performance.
• One-year warranty: free repairs, replacement of parts, and coverage of round-trip shipping costs—ensuring reliable after-sales service.
7. Low-noise and environmentally friendly, meeting park requirements.
• Noise level ≤ 70 dB (at a distance of 2 meters); partial discharge and radio‑frequency interference both meet the required standards, complying with environmental protection regulations for chemical industrial parks.
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The power supply project supporting energy‑chemical production at a silicon alloy limited liability company in Sichuan is being supplied with customized power transformers by Shaanxi Hante Smart Power Equipment Co., Ltd. The core equipment consists of one S22‑63000/115‑10.5 kV oil‑immersed, double‑winding, no‑load tap‑changing three‑phase power transformer, designed to meet the high‑energy‑consumption load requirements of silicon alloy and other chemical manufacturing processes. Delivery is scheduled within 40 days of the contract’s effective date, ensuring continuous and stable power supply to the energy‑chemical production lines.
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