NEWS | Yanshuoda

29

2021.07

Triac dimming power supply application

Triac dimming power supply is the mainstream equipment in stage lighting and environment lighting field. All kinds of dimmers used in the tr...

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13

2021.07

The influence of LED driving power temperature rise on LED lighting life

As a result, the life span of LED lamps is greatly shortened. The life span of poor LED lamps is less than 2000 hours, and some are even low...

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08

2021.07

These two points are of great significance when choosing LED driving power supply

there are many engineering and acquisition personnel of lighting manufacturers, and even the company's chief executives, who have a relative...

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01

2021.07

LED driver price war, consumers how to find the right product

Many people believe that, although the current development of the LED industry is not stable, but LED is certainly the direction of the futu...

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28

2021.06

Reasons why switching power supply secondary does not need bridge rectifier

Reasons for switching power supply secondary not to use bridge rectifier Switching power supply secondary does not use bridge rectifier beca...

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25

2021.06

A method to judge the positive and negative pole of a power circuit board

A power source is a device that converts other forms of energy into electrical energy. Power supply is divided into DC power supply and AC p...

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16

2021.06

Switch power supply selection and wiring matters needing attention

1. Select the appropriate input voltage specification; 2. Choose the right power. In order to prolong the life of the power supply, it is r...

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11

2021.06

The generation and harm of switching power supply ripple voltage

As the switching power supply is switched on and off, the current in the inductor also fluctuates around the effective value of the output c...

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09

2021.06

What is switching power supply harmonic current and harmonic harm

The problem of power conversion (rectification and inverter) resulting in power distribution system pollution, lighting control system, swit...

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07

2021.06

How to test the LED driver power supply

The quality of LED driving power supply directly affects the quality of LED lighting system, but in the LED lighting system is relatively ea...

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