Osram HQI-E 150 W/NDL CL
Manuals and User Guides for Osram HQI-E 150 W/NDL CL. We found 1 manuals for free downloads Datasheet
Pages: 56 Osram HQI-E 150 W/NDL CL Datasheet
Brand: Osram Category: Electrical equipment & supplies Size: 3 MB
Languages: en
Table of contents
- 4 Introduction
- 5 How a metal halide lamp works
- 6 2.1 Quartz discharge tube
- 6 2.2 Ceramic discharge tube (PCA = polycrystalline alumina)
- 6 2.2.1 1st generation: cylindrical form
- 8 Ballasts for discharge lamps
- 8 3.1 Inductive ballasts (chokes)
- 9 3.1.1 American circuits for ballasts
- 10 3.1.2 Variation in supply voltage for adapted inductance
- 11 3.1.3 Influence of deviations in supply voltage
- 11 3.1.4 Capacitor for power factor correction
- 12 3.2 Electronic control gear (ECG)
- 12 3.2.1 Structure and functioning of an electronic ballast
- 13 3.2.2 Service life and temperature
- 13 3.2.3 Advantages of operation with electronic ballast POWERTRONIC PTi
- 15 3.3 Influence of harmonic waves and corresponding filters
- 16 3.4 Brief voltage interruptions
- 17 3.5 Stroboscopic effect and flicker
- 19 Igniting and starting discharge lamps
- 19 4.1 External ignition units
- 19 4.1.1 Parallel ignition unit
- 19 4.1.2 Semi-parallel ignition unit
- 20 4.1.3 Superimposed ignitor
- 20 4.2 Warm re-ignition
- 20 4.3 Hot re-ignition
- 20 4.4 Ignition at low ignition voltage (Penning effect)
- 20 4.5 Ignition at low ambient temperatures
- 21 4.6 Cable capacitance
- 21 4.7 Start-up behavior of metal halide lamps
- 23 Reducing the wattage of high intensity discharge lamps
- 23 5.1 Introduction
- 23 5.2 Wattage reduction techniques
- 23 5.2.1 Reducing the supply voltage
- 24 5.2.2 Phase control: leading edge, trailing edge
- 24 5.2.3 Increasing choke impedance or decreasing lamp current
- 24 5.2.4 Change in frequency for high-frequency mode
- 25 5.3 Recommendations for reducing the wattage in discharge lamps
- 25 5.3.1 Metal halide lamps
- 25 5.3.2 Dimming for other discharge lamps
- 26 6 Lamp service life, aging and failure behavior
- 26 6.1 Lamp service life and aging behavior
- 26 6.2 Storage of metal halide lamps
- 26 6.3 Failure mechanisms of metal halide lamps
- 27 6.3.1 Leaking arc tube
- 27 6.3.2 Increase in re-ignition peak
- 28 6.3.3 Broken lead or broken weld
- 28 6.3.4 Leaking outer bulb
- 28 6.3.5 Lamps that do not ignite
- 29 6.3.6 Breakage or differing wear of the electrodes
- 29 6.3.7 Scaling of the base / socket
- 29 6.3.8 Bursting of the lamp
- 29 6.3.9 Rectifying effect
- 31 6.3.10 Conclusions
- 32 Luminaire design and planning of lighting systems
- 32 7.1 Measuring temperatures, ambient temperature
- 32 and pinches in metal halide lamps
- 32 7.1.2 2 Measurement with thermocouple
- 33 7.1.3 Measuring points for thermocouples in different lamp types
- 36 7.2 Influence of ambient temperature on ballasts and luminaires
- 36 7.3 Lamp holder
- 37 7.4 Leads to luminaires
- 37 7.5 Maintenance of lighting systems with metal halide lamps
- 39 7.6 Standards and directives for discharge lamps
- 39 7.6.1 Standards
- 41 7.6.2 Directives
- 41 7.6.3 Certificates
- 42 7.7 Radio interference
- 42 7.8 RoHS conformity
- 42 7.9 Optical design of reflectors
- 42 7.9.1 Condensation on the lamp
- 42 7.9.2 Projection of the condensate
- 43 7.9.3 Back reflection on the lamp
- 43 Light and colour
- 44 8.1 Night vision
- 46 8.2 Colour rendering
- 47 8.2.1 Test colours from standard DIN
- 48 8.3 Light and quality of life
- 49 8.4 UV radiation
- 50 8.4.1 Fading effect
- 50 8.4.2 Protective measures to reduce fading
- 51 Disposal of discharge lamps
- 51 9.1 Statutory requirements
- 51 9.2 Collection, transport and disposal of discharge lamps at end-of-life
- 51 9.3 Ordinance on Hazardous Substances
- 52 10 List of abbreviations
- 53 11 Literature
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