Electric lighting

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If there are no special compensating capacitors in the circuit, then the power factor of the set fluorescent lamp - ballast when connected...

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Why is illuminance measured? It has been proven that bad (or vice versa, too good) light through the retina affects the working processes of...

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Lighting installations in cities, urban-type settlements and rural settlements must ensure not only the safety requirements for...

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Radiant energy is defined by the number of quanta emitted by the emitter into space. Radiant energy (radiant energy) is measured in...

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The presence of control equipment significantly increases the cost of lighting installations with gas discharge lamps, complicates their operation, requires significant additional consumption...
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