Overview of Oil Immersed Transformers

油入変圧器は広く使用されています。 送配電システム 信頼性が高いため, 強力な断熱性能, 効率的な放熱. これらの変圧器は、 絶縁鉱物油 内部コンポーネントを冷却および断熱するため, 大きな電気負荷下でも安定した動作を保証.

油入変圧器は一般的に次の用途に使用されます。 発電所, 変電所, 産業施設, および再生可能エネルギープロジェクト, 最新の電気インフラに効率的な電圧変換と信頼性の高い電源を提供します。.

油入変圧器の仕組み

An oil immersed transformer operates by transferring electrical energy between circuits through 電磁誘導, while using insulating oil for both electrical insulation and heat dissipation.

動作中, 変圧器油はタンク内を循環します, コアと巻線から熱を吸収し、冷却ラジエーターに伝達します。, 安定した安全なパフォーマンスを確保する.

油入変圧器の種類

• 配電変圧器 – 住宅および商業ユーザーに電力を供給するために地域の配電ネットワークで使用されます.
• 電源変圧器 – 高電圧送電および大規模変電所向けに設計.
• 三相変圧器 – 産業用および商用電源システムで一般的に使用されます.
• 再生可能エネルギー変圧器 – 太陽光発電所や風力発電所と統合.

油入変圧器のメリット

• 優れた断熱性能 – 変圧器油は強力な絶縁耐力を提供します
• 効率的な冷却 – オイル循環により効果的に熱を放散します。
• 高い信頼性 – 電力網での連続運用に適しています
• 長寿命 – 通常、適切なメンテナンスを行えば 25 ～ 30 年間稼働します。
• 高耐荷重 – 産業用途における重電気負荷に対応

会社概要

洛陽大唐能源科技有限公司, 株式会社. Rを統合したハイテク企業です&D, 製造業, 電力機器や再生可能エネルギーソリューションの提供. 変圧器の専門店, 新しいエネルギー成分, 配電盤, とインバータ, 私たちはポートフォリオを拡大し、太陽光発電システム, エネルギー貯蔵 ソリューション, そして空気源ヒートポンプ. 技術革新を核に, 当社は、世界中の顧客にサービスを提供するために、高信頼性と高性能の電力およびエネルギー効率のソリューションを作成することに重点を置いています。. 厳格な品質管理システムと国際規格認証を経て, 私たちは、お客様が安全に建築できるよう支援する優れた製品を継続的に提供します。, 安定した, 持続可能な電力システム.

高品質をお求めの方は油入変圧器 サプライヤー, お問い合わせいただくか、関連製品をクリックしてお問い合わせください。.

油入変圧器のお支払い方法

信用状, T/T, ウエスタンユニオン, ペイパル, クレジットカードなど.

油入変圧器の出荷

支払いが受領されたら, 海によって, 飛行機で, または速達でできるだけ早く.

油入変圧器のよくある質問

1. 油入変圧器とは?

An oil immersed transformer is a transformer that uses insulating oil as both a cooling medium and electrical insulation during operation. The transformer oil surrounds the core and windings, helping transfer heat away from the active components while providing insulation between energized parts.

油入変圧器は広く使用されています。 動力伝達, 分布, 工業用, コマーシャル, and renewable energy applications.

2. 変圧器油はなぜ使われるのか?

Transformer oil performs two important functions: electrical insulation and heat dissipation.

It helps prevent electrical breakdown between internal components while also carrying heat generated by the core and windings to the cooling surfaces, such as radiators.

High-quality transformer oil can therefore contribute to 安定した動作, effective cooling, and longer equipment service life.

3. 油入変圧器の寿命はどのくらいですか?

With proper design, インストール, 手術, そしてメンテナンス, an oil immersed transformer can typically operate reliably for 25–30 years or longer.

The actual service life depends on factors such as:

• Operating load
• 温度
• Insulation condition
• Transformer oil quality
• Moisture levels
• Short-circuit events
• Cooling system performance
• Maintenance practices

Regular inspection and condition monitoring can help identify potential problems and extend the transformer's useful operating life.

4. 油入変圧器はどこで使用されていますか?

油入変圧器は広く使用されています。:

• 発電所
• Electrical substations
• Distribution networks
• Industrial facilities
• Commercial power systems
• 再生可能エネルギープロジェクト
• 太陽光発電所
• Wind power projects
• Large infrastructure projects

They are particularly suitable for applications requiring high power capacity and efficient heat dissipation.

5. 油入変圧器と乾式変圧器の違いは何ですか?

Oil immersed transformers use insulating oil for cooling and electrical insulation, while dry-type transformers use air and/or solid insulation materials such as resin.

Oil immersed transformers are commonly selected for higher-capacity applications and outdoor installations, while dry-type transformers are often preferred where fire safety, indoor installation, or reduced maintenance of liquid insulation is a priority.

The appropriate type depends on the 容量, installation environment, safety requirements, and project specifications.

6. How does an oil immersed transformer work?

An oil immersed transformer operates according to the principle of 電磁誘導.

When alternating current flows through the primary winding, it creates a changing magnetic field in the transformer core. This changing magnetic flux induces voltage in the secondary winding.

The transformer oil surrounds the core and windings, providing electrical insulation and transferring heat generated during operation to the cooling system.

7. What are the main components of an oil immersed transformer?

The main components typically include:

• 磁気コア – Provides a low-reluctance path for magnetic flux.
• 高電圧巻線 – Handles the high-voltage side of the transformer.
• 低電圧巻線 – Handles the low-voltage side.
• 変圧器油 – Provides insulation and cooling.
• オイルタンク – Contains the oil and protects internal components.
• Radiators – Dissipate heat from the transformer oil.
• ブシュ – Provide insulated electrical connections to external circuits.
• タップチェンジャー – Adjusts the voltage ratio when required.
• Conservator Tank – Accommodates changes in oil volume caused by temperature variations.
• ブリーザー – Helps prevent moisture from entering the transformer.

8. How is an oil immersed transformer cooled?

Heat generated by the transformer core and windings is transferred to the surrounding transformer oil. The heated oil then circulates toward the radiators or other cooling equipment, where heat is released into the surrounding environment.

Depending on the transformer design and capacity, cooling can use natural circulation, forced oil circulation, natural air cooling, or forced air cooling.

Larger transformers may use fans and oil pumps to improve heat dissipation.

9. How often should transformer oil be inspected or tested?

Transformer oil should be monitored periodically according to the manufacturer's recommendations, 動作条件, and applicable standards.

Common tests may evaluate:

• Moisture content
• Dielectric strength
• Acidity
• Dissolved gases
• Oil condition
• 汚染
• Oxidation condition

Regular oil testing can help identify insulation deterioration, 過熱, arcing, and other potential internal problems at an early stage.

10. Does an oil immersed transformer require regular maintenance?

はい. Regular maintenance helps maintain safe and reliable transformer operation.

Typical maintenance activities include:

• Checking transformer oil level and condition
• Inspecting for oil leakage
• Checking bushings and terminals
• Inspecting radiators and cooling equipment
• Monitoring oil and winding temperatures
• Checking the conservator and breather
• Testing insulation performance
• Inspecting the tap changer
• Checking protection and monitoring devices

The maintenance interval should be determined according to the transformer design, operating environment, load conditions, and manufacturer recommendations.