Steuersystem und Verfahren zur Steuerung einer Stromquelle einer Betriebsvorrichtung für Beleuchtungsmittel, Betriebsvorrichtung und Leuchte

Details

Veröffentlichungs-Nr.

EP4185073

Aktenzeichen

EP21209220

Anmeldetag

19. November 2021

Veröffentlichung

3. Januar 2024

Erteilung

3. Januar 2024

Rechtsraum

EP

IPC

H05B45/34H05B47/18H02M1/00H02M1/42H02M3/00

Abstract

The invention relates to a control system (1) for controlling a current source (4) of an operating device (10) for lighting means (5). The current source (4) is configured to provide a current (I_LM) to the lighting means (5). The operating device (10) comprises a bus interface (8) electrically connectable to a digital bus (7) and a voltage supply circuit (3) for providing a supply voltage (V₁) to electrically supply the bus interface (8) and the current source (4). The control system (1) is configured to perform a feedback control of the current (I_LM) with regard to a reference current (I_ref1, I_ref2), and determine whether a communication via the bus interface (8) is present or not. Further the control system (1) is configured to perform a feedforward control of the current (I_LM) based on an error (Ev) between the supply voltage (V₁) and a reference voltage (V_ref) for the supply voltage (V₁), by processing the error (E_v) using a first gain (Gi) in case the control system (1) determines that the communication is present and a second gain (G2) in case the control system (1) determines that the communication is not present. The first gain (Gi) is different to the second gain (G2).

Anmelder

Firma

Tridonic GmbH & Co. KG

Land

🇦🇹 Österreich

Fachgebiete