Product Overview
The oil-immersed reactor is a core device for high voltage power systems. It is suitable for three-phase 50Hz indoor/outdoor distribution systems ranging from 6kV to 66kV. Composed of a core, windings, tank, and insulating oil, its main functions are to connect in series with high voltage capacitor banks to suppress harmonics, limit inrush current, and stabilize voltage. It is widely used in substations, renewable energy power plants, and other high voltage reactive power compensation systems to ensure safe and efficient system operation.
The product is primarily of the series type, made of high-quality cold-rolled silicon steel sheets, oxygen-free copper windings, and environmentally friendly insulating oil. It complies with standards such as GB/T 24844-2018 and holds CCC and ISO certifications. Features include low loss and stable operation. Rated parameters and protection levels can be customized to suit various high voltage applications.
Operating Conditions
1. Ambient Temperature: Indoor -20°C to +45°C, outdoor -40°C to +45°C (24h average ≤ +35°C); winding temperature rise ≤ 65K; insulating oil temperature rise ≤ 55K
2.Altitude: ≤ 1000m (customizable up to 3000m for special conditions with optimized insulation performance)
3.Relative Humidity: ≤ 95% at +25°C; anti-condensation device for indoor use; anti-pollution sealed design for outdoor use
4.Installation Site: Indoor – suitable for distribution rooms and substations; Outdoor – suitable for open areas, free from vibration, corrosion, and strong electromagnetic interference; level and dry ground
5. Protection Rating: Indoor IP33~IP44, outdoor IP54~IP65 (anti-pollution type customizable); Pollution degree ≤ Class IV
6. Installation Requirements: Vertically secure installation; spacing ≥ 20cm; reserve space for heat dissipation and maintenance; secure wiring; equipped with a proper grounding system
Technical Parameters
Parameter | Unit | Value |
|---|---|---|
Rated Voltage | kV | 6, 10, 35, 66 (standard), customizable; single-phase and three-phase available |
Rated Capacity | kvar | 30, 60, 90, 120, 150, 300, 600 (full series, customizable) |
Number of Phases | — | Single-phase or three-phase optional; three-phase is standard |
Reactance Ratio | % | 3%, 5%, 6%, 12% (standard), customizable; suppresses harmonics and limits inrush current |
Rated Current | A | 22.7, 43.6, etc. (depending on model), customizable for capacitor banks |
Insulation Level | kV | Phase-to-phase: 3Un/5s no breakdown; Phase-to-case: AC 20kV/1min no breakdown; Insulation resistance ≥ 2000MΩ |
Protection Rating | — | Indoor IP33~IP44, outdoor IP54~IP65 (anti-pollution type customizable) |
Protection Devices | — | Built-in oil level gauge, thermometer, gas relay, etc.; online monitoring available |
Overcurrent Capability | — | Allows long-term operation at 1.3 times rated current; withstands peak current under short circuit |
Product Features
1. High Voltage Adaptation & Precise Function: Suitable for 6kV–66kV systems; connects in series with capacitor banks to effectively suppress harmonics, limit inrush current, and stabilize voltage.
2. Oil-immersed Heat Dissipation & Stable Operation: Environmentally friendly insulating oil provides immersive cooling; low temperature rise; suitable for continuous stable operation under high load conditions.
3. Ultra-Low Loss & High Efficiency: High-quality core and windings result in losses far below industry standards, providing significant energy savings.
4. Excellent Insulation & Safe Reliable: High-quality insulating materials combined with insulating oil resist corona and high voltage; multiple built-in protection devices ensure safe operation.
5. Reasonable Structure & Strong Environmental Resistance: Fully sealed tank resists corrosion and moisture; outdoor models with high protection ratings suit harsh conditions.
6. Flexible Customization & Wide Adaptability: Customizable parameters and protection levels for substations, renewable energy plants, and other high voltage applications.
7. Long Service Life & Low Maintenance: Service life ≥ 15 years; only routine inspection required; low maintenance cost.
Our Advantages
1. Strong customization capabilities – parameters and protection levels tailored to various high voltage applications.
2. Standardized production with full quality control – each unit comes with a factory test report for consistent and reliable performance.
3. Full certifications – compliant with national standards and material requirements, meeting project acceptance criteria.
4. Reliable delivery – supports urgent orders, accompanied by installation and commissioning services for quick deployment.
5. Comprehensive after-sales service – full life-cycle support, local responsive team to minimize downtime risks.
Ordering Guide
Please provide the following information to ensure the product perfectly matches your needs:
1. Rated voltage, capacity, reactance ratio, and application (series/parallel)
2. Installation environment and protection rating – whether special customization (high altitude / anti-pollution, etc.) is required
3. Product model, number of phases, structural type – whether special current ratings or dimensions are needed
4. Installation method and available space – whether mounting accessories or online monitoring devices are required
5. Application scenario and harmonic suppression requirements – whether enhanced special performance is needed
