產(chǎn)品介紹 | SFZ20-260000/220kV 超高壓變壓器

產(chǎn)品概述

SFZ20-260000/220kV 變壓器是我公司為 中國電建貴州水城大撈地項(xiàng)目 量身打造的核心輸電設(shè)備。該產(chǎn)品采用先進(jìn)的設(shè)計(jì)理念與制造工藝，具備 高可靠性、低損耗、強(qiáng)抗短路能力 等特點(diǎn)，適用于長距離超高壓輸電工程，確保電力網(wǎng)絡(luò)的穩(wěn)定運(yùn)行。

技術(shù)難點(diǎn)與突破

• 超高電壓承載：作為 230kV 級(jí)超高壓變壓器，該設(shè)備需承受高電壓沖擊，我們采用優(yōu)化的電場分布設(shè)計(jì)及絕緣系統(tǒng)，確保長期安全運(yùn)行。

• 高效散熱系統(tǒng)：針對(duì)大功率變壓器發(fā)熱量大的特點(diǎn)，采用自然油循環(huán)風(fēng)冷技術(shù)（ONAF），確保設(shè)備在長期高負(fù)荷運(yùn)行下溫升可控，提高使用壽命。

• 抗短路能力增強(qiáng)：高、低、調(diào)壓繞組全部采用 高強(qiáng)度自粘換位導(dǎo)線，通過合理的安匝平衡設(shè)計(jì)，大幅增強(qiáng)抗短路沖擊能力，減少電網(wǎng)事故風(fēng)險(xiǎn)。

• 低損耗高效率：采用優(yōu)質(zhì)硅鋼片和優(yōu)化的磁路設(shè)計(jì)，使變壓器鐵損和負(fù)載損耗降低，提高能源利用效率，減少運(yùn)行成本。

• 精密制造與運(yùn)輸：由于設(shè)備總重量超過 220 噸，運(yùn)輸過程面臨巨大挑戰(zhàn)。我公司制定了專業(yè)運(yùn)輸方案，采用高精度碰撞監(jiān)測系統(tǒng)確保設(shè)備在長途運(yùn)輸中的穩(wěn)定性和安全性。

技術(shù)規(guī)格

核心優(yōu)勢

• 采用國際領(lǐng)先的變壓器設(shè)計(jì)標(biāo)準(zhǔn)，確保高安全性與長壽命。

• 具備卓越的抗短路性能，提高電網(wǎng)穩(wěn)定性。

• 高效冷卻系統(tǒng)，適應(yīng)惡劣環(huán)境運(yùn)行需求。

• 智能監(jiān)測系統(tǒng)，提升運(yùn)行維護(hù)便捷性。

Product Introduction | SFZ20-260000/220kV Ultra-High Voltage Transformer

Overview

The SFZ20-260000/220kV transformer is a core transmission equipment custom-built by our company for the China Power Construction Guizhou Shuicheng Dalaodi Project. With high reliability, low loss, and strong short-circuit resistance, this product is designed for long-distance ultra-high voltage transmission, ensuring grid stability and efficiency.

Technical Challenges & Breakthroughs

• Ultra-High Voltage Endurance: As a 230kV transformer, it must withstand extreme voltage stresses. We utilize an optimized electric field distribution and advanced insulation system to ensure long-term safety.

• High-Efficiency Cooling: To address significant heat dissipation challenges, the transformer features a natural oil circulation air-cooling system (ONAF), maintaining temperature control under heavy loads for extended service life.

• Enhanced Short-Circuit Resistance: The high-voltage, low-voltage, and regulating windings adopt high-strength self-bonding transposed conductors with optimized ampere-turn balance, significantly improving short-circuit resistance and reducing grid failure risks.

• Low Loss, High Efficiency: With premium silicon steel cores and an optimized magnetic circuit design, the transformer achieves reduced iron and load losses, improving energy efficiency and lowering operational costs.

• Precision Manufacturing & Transport: Weighing over 220 tons, this unit requires specialized transportation planning. A high-precision impact monitoring system ensures stability and safety during long-haul transport.

Technical Specifications

Key Advantages

• Designed to international transformer standards for maximum safety and longevity.

• Exceptional short-circuit resistance enhances grid reliability.

• High-efficiency cooling system ensures stable operation in harsh environments.

• Intelligent monitoring technology simplifies maintenance and operation.

This product reflects our company’s engineering excellence and commitment to power infrastructure development, contributing to the global energy sector.