Product Overview
•Product Model: SCLB-1000/22 Dry-Type Transformer
•Electrical Ratings: Features a rated capacity of 1000 kVA, primary/secondary voltage of 22/0.4 kV, and 50 Hz frequency.
•Winding & Insulation: Built with aluminum high-voltage windings, aluminum foil low-voltage windings, and Class F (155°C) epoxy encapsulation.
•Testing Compliance: Successfully passed all DEKRA type tests according to the IEC 60076-11: 2018 standard.
Product Features
•Cooling System: Operates via natural air cooling (AN) with a reference temperature of 120°C.
•Tap Changer: Equipped with a ±2 × 2.5% tap range and Dyn11 vector group connection.
•High Insulation Level: High-voltage insulation level reaches 24/50/125 kV (Um/AC/LI) with low partial discharge (≤ 10 pC).
•Robust Protection: Successfully passed climate (C3), environmental (E4), and fire behavior (F1) safety tests.
Product Advantages
•Superior Energy Efficiency: Measured no-load loss is 1.903 kW (20.7% lower than guaranteed) and load loss is 7.409 kW (9.8% lower).
•Excellent Reliability: Passed rigorous lightning impulse (125 kV) and dielectric withstand tests without breakdown.
•Extreme Environment Adaptability: Operates safely in storage temperatures down to -40°C and withstands severe condensation and humidity.
•High Safety Standards: Passed fire behavior tests using ethanol and radiation panels, ensuring no abnormal combustion.
Usage Scenarios
•Industrial Power Distribution: Suitable for stepping down 22 kV to 0.4 kV in industrial facilities and manufacturing plants.
•Harsh Environment Operations: Ideal for outdoor or extreme climate conditions due to Class C3 and E4 certifications.
•High-Safety Requirement Areas: Perfect for fire-sensitive environments thanks to Class F1 fire behavior certification.
•Altitude-Limited Installations: Designed for reliable operation in locations with altitudes up to 1000 meters.
