KATEGORIAK
PRODUKTU NAGUSIAK
220kV Oil-Immersed Power Transformer | Customizable for Power Distribution Networks
deskribapen laburra:
Our company supplies 220kV power transformers, which support voltage regulation with load and feature high voltage stabilization accuracy. These transformers comply with GB1094 standards, and we can also customize special models tailored for specific altitude and temperature environments. They have obtained CE certification, and we are able to provide full technical support for overseas projects.
1. Product Overview 产品概述
英文：Our 220kV power transformer is a core electrical equipment independently developed and manufactured for 220kV power grid systems, widely used in outdoor and indoor high-voltage power transmission and distribution scenarios such as power plants, 220kV substations, long-distance high-voltage transmission lines, urban-rural 220kV power networks and large industrial and mining enterprises. As a key equipment for voltage transformation and energy transmission in high-voltage power grids, it is mainly used to convert 220kV high voltage into medium voltage (such as 110kV, 35kV) or low voltage, realize reasonable power distribution, and ensure the stable supply of electric energy for various electrical equipment and power users. Adopting advanced design concepts, high-quality materials and precision manufacturing technology, the product has the characteristics of high efficiency, energy saving, stable operation, strong overload capacity, good insulation performance and low maintenance cost, and can reliably operate under normal, overload and harsh working conditions, effectively ensuring the safe, stable and efficient operation of the 220kV high-voltage power grid.
中文：本公司220kV电力变压器是专为220kV电网系统自主研发生产的核心电气设备，广泛应用于发电厂、220kV变电站、长途高压输电线路、城乡220kV电网、大型工矿企业等户外及户内高压输配电场景。作为高压电网中变压与能量传输的关键设备，其主要作用是将220kV高压转换为中压（如110kV、35kV）或低压，实现电力的合理分配，保障各类电气设备及电力用户的电能稳定供应。产品采用先进设计理念、优质材料及精密制造工艺，具备高效节能、运行稳定、过载能力强、绝缘性能良好、维护成本低等特点，可在正常、过载及恶劣工况下可靠运行，有效保障220kV高压电网安全、稳定、高效运行。
2. Core Features 核心特点
1. High Efficiency & Energy Saving (Excellent Energy-Saving Performance)（高效节能，节能性能优异）
英文：Adopting high-quality cold-rolled oriented silicon steel sheet as the core material, with optimized core structure design, which effectively reduces no-load loss and no-load current; the winding adopts high-purity copper wire or aluminum alloy wire, with good electrical conductivity and low resistance loss, which greatly reduces load loss. The product meets national energy-saving standards, has high operating efficiency, and can save a lot of electric energy during long-term operation, reducing the operation cost of the power grid.
中文：采用优质冷轧取向硅钢片作为铁芯材料，搭配优化的铁芯结构设计，有效降低空载损耗和空载电流；绕组选用高纯度铜线或铝合金线，导电性能优良、电阻损耗小，大幅降低负载损耗。产品符合国家节能标准，运行效率高，长期运行可节约大量电能，降低电网运行成本。
2. Stable Operation & High Voltage Regulation Accuracy（运行稳定，调压精度高）
英文：Equipped with a high-precision on-load voltage regulation mechanism or off-load voltage regulation mechanism, which can accurately adjust the output voltage according to the change of power grid load and voltage, ensuring that the output voltage is stable within the rated range, and meeting the power supply requirements of various electrical equipment. The product has reasonable structural design, good mechanical strength and stability, and no obvious vibration and noise during operation, ensuring long-term stable operation.
中文：配备高精度有载调压机构或无载调压机构，可根据电网负载及电压变化，精准调节输出电压，确保输出电压稳定在额定范围内，满足各类电气设备的供电需求。产品结构设计合理，机械强度高、稳定性好，运行时无明显振动和噪音，保障长期稳定运行。
3. Strong Overload Capacity & Reliable Insulation Performance（过载能力强，绝缘性能可靠）
英文：Aiming at the high voltage level of 220kV, the product adopts high-performance insulation materials (such as insulating oil, epoxy resin) and advanced insulation structure design, with high insulation strength, strong anti-breakdown capacity, and can effectively resist the impact of overvoltage and lightning overvoltage. The winding is processed by precision vacuum drying and impregnation, which improves the insulation reliability and moisture resistance. At the same time, the efficient cooling system is configured to quickly dissipate heat during overload operation, ensuring that the product can operate safely for a long time under 110%-120% rated load.
中文：针对220kV高电压等级，产品采用高性能绝缘材料（如绝缘油、环氧树脂）及先进绝缘结构设计，绝缘强度高、抗击穿能力强，可有效抵御过电压、雷电过电压的冲击。绕组经精密真空干燥、浸漆处理，提升绝缘可靠性和防潮性能；同时配置高效冷却系统，过载运行时可快速散热，确保产品在110%-120%额定负载下长期安全运行。
4. Wide Environmental Adaptability（宽温域环境适应性）
英文：Adapt to the ambient temperature range of -40℃ ~ +60℃, and can be normally used in high and cold areas, high temperature and humid areas, coastal salt spray areas and heavily polluted areas. The tank body is treated with special anti-corrosion, anti-rust and anti-pollution treatment, which can effectively resist the erosion of harsh environments. For alpine areas, low-temperature resistant insulating oil and heating device can be configured; for coastal areas, anti-salt spray treatment can be strengthened, ensuring stable operation under various complex working conditions.
中文：适应-40℃~+60℃的环境温度范围，可在高寒地区、高温潮湿地区、沿海盐雾地区及重污秽地区正常使用。油箱经特殊防腐、防锈、防污处理，可有效抵御恶劣环境侵蚀；针对高寒地区，可配置耐低温绝缘油及加热装置；针对沿海地区，可强化防盐雾处理，确保在各类复杂工况下稳定运行。
5. Low Maintenance & Long Service Life（低维护长使用寿命）
英文：The whole machine adopts a sealed protective design, and key components such as core, winding and voltage regulation mechanism are protected against dust, water, corrosion and moisture, reducing the wear and aging of components caused by external factors. The insulating oil has good stability and long service life, and only needs regular oil sampling detection and replacement; daily maintenance only needs simple inspection, cleaning and cooling system maintenance, without complex disassembly and overhaul. The designed service life is more than 30 years, and the average time between failures is long.
中文：整机采用密封防护设计，铁芯、绕组、调压机构等关键部件进行防尘、防水、防腐、防潮保护，减少外界因素造成的部件损耗与老化。绝缘油稳定性好、使用寿命长，仅需定期进行油样检测及更换；日常维护仅需简单巡检、清洁及冷却系统维护，无需复杂拆解大修。产品设计使用寿命超30年，平均无故障运行时间长。
6. Intelligent & Safe Operation（智能安全操作）
英文：It can be equipped with an intelligent monitoring and protection system according to customer needs, including temperature monitoring, oil level monitoring, pressure monitoring, partial discharge monitoring and other functions, realizing real-time monitoring of the product’s operating status, fault alarm and data statistics. It supports remote operation and remote monitoring, which is convenient for the centralized management of the power grid. At the same time, it is equipped with complete protection devices (such as overcurrent protection, overvoltage protection, temperature protection), which can quickly cut off the fault circuit in case of failure, ensuring the safety of the product and the power grid.
中文：可根据客户需求选配智能监测与保护系统，包含温度监测、油位监测、压力监测、局部放电监测等功能，实现产品运行状态的实时监控、故障报警及数据统计；支持远程操作与远程监控，便于电网集中化管理。同时配备齐全的保护装置（如过流保护、过压保护、温度保护），故障时可快速切断故障回路，保障产品及电网安全。
3. Technical Parameters 技术参数
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Item 项目
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Specification 技术指标
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|---|---|
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Rated Voltage (Primary/Secondary) 额定电压（一次/二次）
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220kV / 110kV/35kV/10kV
|
|
Rated Frequency 额定频率
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50Hz/60Hz
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|
Rated Capacity 额定容量
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63MVA/100MVA/125MVA/160MVA/200MVA
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|
Voltage Regulation Mode 调压方式
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On-load voltage regulation / Off-load voltage regulation 有载调压/无载调压
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|
Voltage Regulation Range 调压范围
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±8×1.25% / ±10×1%（可定制）
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|
Cooling Mode 冷却方式
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ONAN/ONAF/OFAF/ODAF（油浸自冷/油浸风冷/强迫风冷/强迫导向风冷）
|
|
Insulation Medium 绝缘介质
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Insulating oil / Epoxy resin 绝缘油/环氧树脂
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Core Material 铁芯材料
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Cold-rolled oriented silicon steel sheet 冷轧取向硅钢片
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Winding Material 绕组材料
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High-purity copper wire / Aluminum alloy wire 高纯度铜线/铝合金线
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|
Ambient Temperature 环境温度
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-40℃ ~ +60℃
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|
Protection Grade 防护等级
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IP54/IP65（可定制）
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Design Service Life 设计使用寿命
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≥30 years
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4. Application Scenarios 应用场景
1. 220kV high-voltage power transmission and distribution systems of urban and rural power grids, used for voltage transformation and power distribution（城乡电网220kV高压输配电系统，用于电压变换及电力分配）
2. Power generation systems and outgoing line transformation of thermal power, hydropower, wind power and photovoltaic power plants（火电、水电、风电、光伏电站发电系统及出线变压）
3. 220kV substations, switching stations and booster stations in industrial parks, key industrial bases and large-scale urban agglomerations（工业园区、重点产业基地、大型城市群的220kV变电站、开闭所及升压站）
4. High-voltage power supply and voltage transformation of large industrial and mining enterprises, petrochemical, metallurgy, energy and other industries (needing 220kV power supply)（大型工矿企业、石油化工、冶金、能源等需220kV供电行业的高压供电及变压）
5. Special high-voltage power supply systems such as railways, airports, ports and large-scale energy storage stations, used for 220kV voltage transformation and energy transmission（铁路、机场、港口、大型储能电站等特殊高压供电系统，用于220kV变压及能量传输）
5. After-Sales Service 售后服务
1. Factory Direct Supply & Quality Assurance：All products are produced in strict accordance with national and international standards (such as IEC, GB), with complete qualification certificates (such as type test report), and provide one-year free warranty and lifelong maintenance service.（工厂直供&品质保障：所有产品严格按国家及国际标准（如IEC、GB）生产，资质证书齐全（如型式试验报告），提供一年免费质保、终身维修服务。）
2. Customized Solution：According to the customer’s actual 220kV power grid configuration, rated capacity, voltage regulation requirements, usage environment (such as alpine area, coastal area) and installation conditions, provide personalized product customization and technical solution design.（定制化解决方案：根据客户实际220kV电网配置、额定容量、调压需求、使用环境（如高寒地区、沿海地区）及安装条件，提供个性化产品定制及技术方案设计。）
3. Professional Technical Support：Have a professional after-sales technical team with rich experience in 220kV power transformers, provide on-site installation guidance, commissioning, operation and maintenance training services, and respond to technical problems and fault maintenance within 24 hours.（专业技术支持：拥有具备220kV电力变压器丰富经验的专业售后技术团队，提供现场安装指导、调试、运维培训服务，24小时内响应技术问题及故障维修。）
4. Timely Spare Parts Supply：Set up a nationwide spare parts warehouse, ensure the timely supply of spare parts and wearing parts (such as insulating oil, voltage regulation mechanism components, cooling fans), and provide regular maintenance and inspection services to reduce the equipment downtime caused by spare parts shortage.（备品备件及时供应：设立全国性备品备件仓库，保障备品、易损件（如绝缘油、调压机构部件、冷却风机）及时供应，并提供定期维护巡检服务，减少因备件缺失造成的设备停机时间。）
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