{"id":13842,"date":"2023-08-21T01:37:43","date_gmt":"2023-08-21T01:37:43","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=13842"},"modified":"2023-12-26T08:40:41","modified_gmt":"2023-12-26T08:40:41","slug":"what-is-phase-controlled-dimming","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/ru\/glossary\/what-is-phase-controlled-dimming\/","title":{"rendered":"What is Phase-Controlled Dimming"},"content":{"rendered":"

What is Phase-Controlled Dimming<\/h2>\n\n\n

Phase-controlled dimming is a method used to regulate the brightness of a lamp or lighting system by adjusting the conduction time of electricity within an AC power wave cycle. This technique is commonly employed in residential settings due to its cost-effectiveness and ease of installation. By reducing or increasing the power entering the lamp, phase-controlled dimming allows for lower or higher brightness levels, respectively.<\/p>\n

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This dimming method falls under the category of primary side regulation (PSR), where brightness control is achieved from the primary side of the circuit. It typically utilizes phase-cutting dimmers, which control the conduction time of electricity within the AC power wave cycle to modulate the lamp’s brightness. There are two types of phase-cut dimming modes: leading edge (forward phase) mode and trailing edge (reverse phase) mode. Leading edge mode initiates the input power from a non-zero point within the wave cycle, while trailing edge mode starts from the zero point.<\/p>\n\n\n\n

To ensure optimal dimming performance, it is crucial to use a phase-cutting controller in conjunction with a compatible phase-cutting driver. This compatibility ensures smooth and reliable dimming without issues such as light flashing or poor performance. Phase-controlled dimming offers a cost-effective and convenient solution for adjusting the brightness of lamps and lighting systems in residential applications.<\/p>\n

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