研究目的
Investigating the electrical parameters of luminaires with various lamps at different types of dimming.
研究成果
Dimming allows control of the lighting system according to specific requirements and various ambient conditions, but it can affect electrical parameters such as the power factor. The use of dimmable drivers with power factor correction can maintain power factor values better than 0.95 in the range of 50 - 100% of dimming.
研究不足
The study is limited to three luminaires with specific drivers and does not cover all possible types of dimming systems or luminaires.
1：Experimental Design and Method Selection:
The study involves measuring electrical parameters of luminaires with different drivers and powers during dimming.
2：Sample Selection and Data Sources:
Three luminaires with different drivers and powers were selected.
3：List of Experimental Equipment and Materials:
A stabilized AC power supply with nominal voltage 230 V and a precision meter for electrical power and energy measurement Applied Precision reference standard rs 2330A were used.
4：Experimental Procedures and Operational Workflow:
At each level of dimming, the samples were stabilized for 15 minutes before measurement.
5：Data Analysis Methods:
The measured values of active, apparent, reactive power, total harmonic distortion of current, power factor during the dimming were analyzed.
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