Power Supply Renovation Project for the Mining Area of a Certain Mining Co., Ltd. in Qinghai Province
The power supply renovation project for the mining area of a certain mining limited liability company in Qinghai is located at the Sikuaoyangshengkutou mining site in Wutumeiren Township, Golmud City, Qinghai Province. The core substation equipment is supplied by Shaanxi Hante Zhidian Equipment Co., Ltd. The project’s key equipment includes: • One SZ18‑16000 kVA/110 kV oil‑immersed on‑load tap‑changing main transformer • Two SCB13‑200 kVA/10.5 kV dry‑type transformers, designed to operate in the extreme high‑altitude environment of 4,000 meters and to ensure reliable power supply for mining operations, including production, lighting, ventilation, and drainage—critical equipment for maintaining continuous production at this plateau‑level mine.
Project Overview
The power supply renovation project for the mining area of a certain mining limited liability company in Qinghai Province is located at the Sikao Yangsheng Kutou Mining Area in Wutumeiren Township, Golmud City, Qinghai Province. The core substation equipment is supplied by Shaanxi Hante Smart Electric Equipment Co., Ltd. The project’s key equipment includes:
• 1 SZ18-16000 kVA/110 kV oil-immersed on-load tap-changing main transformer
• Two SCB13‑200 kVA/10.5 kV dry‑type transformers are specially designed to operate in the extreme high‑altitude conditions of the mining area, at 4,000 meters above sea level, ensuring reliable power supply for production, lighting, ventilation, drainage, and other critical operations—making them essential equipment for maintaining continuous operations in high‑altitude mining environments.
Advantages and Features
1. Specially customized for high altitudes, designed to perform in extreme environments.
• Both main transformers and dry-type transformers are specially designed for altitudes up to 4,000 meters, with comprehensively enhanced insulation, heat dissipation, and dielectric strength, ensuring reliable operation under the harsh conditions of high-altitude low-pressure environments, intense solar radiation, and significant temperature fluctuations.
• The main transformer meets Level 3 energy efficiency standards, and the dry-type transformer features all-copper windings, ensuring energy savings and stable performance.
2. Advanced model with strong voltage regulation and protection capabilities.
• The main transformer is an SZ18‑16000/110kV on‑load tap changer, with a voltage regulation range of **±8×1.25%/10.5kV**, enabling online tap adjustment and accommodating load fluctuations in the mining area.
• Connection group Yd11, with impedance matching for the mine’s power supply system and strong short-circuit withstand capability.
3. Dry-type transformers are stable and reliable, requiring no maintenance.
• SCB13—10.5±2×2.5%/0.4 kV dry-type transformer, Dyn11 connection, 4% impedance, fire‑proof, explosion‑proof, and moisture‑resistant; suitable for underground mine environments and densely populated indoor spaces.
• Equipped with a fan and intelligent temperature control, featuring a stainless steel housing that is corrosion-resistant and vibration-proof, making it ideal for the harsh conditions of mining areas.
4. Intelligent operation and remote data transmission, meeting the needs of mine management.
• The main transformer is equipped as standard with remote data transmission capabilities, supporting remote monitoring of parameters such as voltage, current, temperature, and oil pressure, thereby enabling unattended operation and centralized control.
• Comprehensive protection systems and timely fault alerts help reduce the risk of power outages in mines.
5. Fast delivery and comprehensive service
• The goods shall be dispatched within 30 days of the contract’s effective date, transported by road directly to the mine site, with the supplier bearing the freight costs and ensuring timely delivery.
• Manufactured in accordance with national standards, with a one-year warranty and rapid after-sales support, ensuring continuous production at the mine.
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The power supply renovation project for the mining area of a certain mining limited liability company in Qinghai is located at the Sikuaoyangshengkutou mining site in Wutumeiren Township, Golmud City, Qinghai Province. The core substation equipment is supplied by Shaanxi Hante Zhidian Equipment Co., Ltd. The project’s key equipment includes: • One SZ18‑16000 kVA/110 kV oil‑immersed on‑load tap‑changing main transformer • Two SCB13‑200 kVA/10.5 kV dry‑type transformers, designed to operate in the extreme high‑altitude environment of 4,000 meters and to ensure reliable power supply for mining operations, including production, lighting, ventilation, and drainage—critical equipment for maintaining continuous production at this plateau‑level mine.
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