Dimming of LED light sources

Each load (bulb, LED, energy-saving lamp) has a certain power consumption. This is usually stated on the packaging by the manufacturer. However, the peak current value of this load is usually not stated. This is because each LED or energy-saving lamp has electronics inside, peak current values may vary considerably for different products. Generally, it is not possible to determine the number of individual LED bulbs, if we do not know this value; we can only test a specific number of pieces. The solution to the determination is by the power factor cos φ. The power factor of dimmable LED lamps ranges from cos φ = 0.95 to 0.4. You can get the approximate max. Load value by multiplying the dimmer load and the power factor of the connected light source.

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