On-load voltage regulation control circuit for roadway illumination control and control method thereof
A lighting control and voltage regulation control technology, which is applied in the field of circuit voltage transformation, can solve the problems of discontinuous power supply, volume and cost reduction, and large volume and cost, so as to improve the reliability of power supply, reduce volume and cost, and improve reliability. sexual effect
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[0041] The present invention will be further described in detail below with reference to the drawings and embodiments.
[0042] Such as figure 1 As shown, an on-load voltage regulation control circuit for road lighting control includes a winding, an AC connection terminal and a load RL. The AC connection terminal has an L end (live wire end) and an N end (zero wire end). The secondary of the winding has only one secondary coil, namely the secondary coil N1. The secondary coil N1 has a tap A1 and a tap A2. The tap A1 is connected to the L end. The two ends of the load RL are respectively connected to the tap A2 and the N end; the primary of the winding has three There are two primary coils, namely primary coil N2, primary coil N3, and primary coil N4. The primary coil N2 has taps B1 and B2, the primary coil N3 has taps C1 and C2, and the primary coil N4 has taps D1 and D2. The taps are connected to the N terminal respectively through the switch control circuit. According to the ...
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