Effect of a pulsed power supply on the spectral and electrical characteristics of HID lamps

Abstract

Results of spectral and photometric measurements are presented for pulsed power operated high intensity discharges (HIDs). This investigation is related to the application of a pulsed power supply for pile driving of HID lamps. Specifically, we are interested in controlling the spectral response radiation of visible and ultraviolet (UV) lines for tertiary treatment of water using UV radiation. Simulations based on a physical model of the lamps were conducted. These results relate to the radial temperature, line intensity and electrical properties (voltage, power and conductivity). Good agreement has been found between the results of the simulations and the experimental findings.

Behaviour of a high-intensity discharge lamp fed by a high-frequency dimmable electronic ballast

“…The main characteristics of such a discharge lamp are the following: Interelectrode length 72.0 mm, internal diameter 18.5 mm, external diameter 22 mm, mercury filling up 70.0 mg and buffer gas (argon) filling up 20 Torr. 11 The AC input voltage is 220 V and 50 Hz.…”

Assessment of the effect of a pulsed power supply on the HgTlI lamp

“…The electronic power supply (see Figure 1) is composed of the following components: [17][18][19][20] Two current sources: it is composed of a voltage source connected in series with an inductance and a resistance. The first source (I 0 ) gives the DC current to the 'H' Bridge.…”

Effects of frequency dimming electronic ballast on a high‐pressure mercury thallium iodide discharge

“…3, used for photometric measurements. 15,16 It consists of an integrating photometric cylinder, a monochromator with input optics and detector system, a Hagner digital luxmeter (E2X), a CCD camera, and an automated system controlled by a personal computer.…”