Osram QUICKTRONIC INTELLIGENT DIM CFL Uživatelský manuál stáhnout pdf (Strana 8)

2.1 Block diagrams of a digital/analog dimmable ECGs

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.

• 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

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Osram QUICKTRONIC INTELLIGENT DIM CFL Uživatelský manuál Strana 8