beautypg.com

2overview of dimmable electronic control gears – OSRAM QUICKTRONIC INTELLIGENT DIM CFL User Manual

Page 8

background image

7

2.1 Block diagrams of a digital/analog dimmable ECGs

2

a) Digital dimmable ECG with DALI interface

b) Analog dimmable ECG with 1…10 V interface

Figure

3: EMC filters and safety shutdown are important elements of

high-quality dimmable electronic control gears.

2

• EMC filter for HF interference signals from 9 kHz to 300 MHz

• Power Factor Correction: Correction of the line current harmonics

• HF half-bridge generator (40 kHz – 120 kHz) with resonance circuit

• Safety shutdown incl. “End of Life“ detection

• Cs: Storage capacitor

2

Overview of dimmable
electronic control gears