Scenario
Low-frequency transformers in isolated LED drivers convert AC mains to safe low-voltage DC, providing electrical isolation and voltage adaptation.
Specifications
Input: AC 220V, 50Hz
Output: DC 36V, 1.4A (50W)
Transformer: EI-35 core, 10:1 turns ratio, efficiency ≥85%
Key Features
Safety Isolation: Complies with UL/CB standards, preventing electric shock.
EMI Resistance: Low-frequency design minimizes electromagnetic interference.
Durability: No high-frequency switching components, lifespan over 50,000 hours.
Implementation
Deployed in a city streetlight upgrade project, replacing high-pressure sodium lamps with 30% energy savings and reduced maintenance costs.
