1) Zfine High Frequency Pulse Switching Power Supply 2) ... adopted as magnet core of main transformer.2. High efficiency: It may save 15%-30% energy ... compared with ordinary silicon controlled rectifier;3. High accuracy, high stability, and low ripple ratio. Main controlling ... Ripple Ratio : ≤1. Application: Can be used for gold plating, silver plating, nickel plating, zinc plating, copper ...