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LED Drive Power
LED Drive Power

Control Panel ProductionAccording to the power grid rules andLEDThe characteristics of the drive power requirements, in the selection and designLEDThe following points are considered when driving the power supply:

1. High reliability Particularly likeLEDThe driving power of street lamp, installed in high altitude, have waterproof aluminum shell drive power supply, good quality words not easy bad, reduce maintenance times.

2. EfficientLEDis energy-saving products, the efficiency of driving power is high. It is especially important for the structure of the power supply installed in the luminaire. BecauseLEDThe luminous efficiency ofLEDThe temperature rises and falls, soLEDHeat dissipation is very important.Control Panel ProductionThe efficiency of the power supply is high, its power consumption is small, the heat in the lamp is small, and the temperature rise of the lamp is lowered. To postponeLEDof light decay.

3. High power factor Power factor is the requirement of power grid to load. So so70There is no mandatory indicator for the electric device below Watts. Although the power of a small single use of electrical power factor is not a little impact on the grid, but at night everyone lights, similar load too concentrated,Control Panel ProductionWill cause more serious pollution to the power grid. For30Tile~40Tile'sLEDDrive power, it is said that in the near future, may have a certain index requirements for power factor.

4. Drive mode There are two kinds of current: one is a constant pressure source for multiple constant current source, each constant current source alone to each roadLEDPower。 This way, the combination of flexibleLEDFailure, does not affect otherLEDWork, but the cost will be slightly higher. The other is direct constant current power supply,LEDIn series or parallel operation. The advantage is that the cost is low, but the flexibility is poor, but also to solve aLEDFailure, does not affect otherLEDRunning problems. These two forms coexist over a period of time. Multi-channel constant current output power supply mode,Control Panel ProductionIt will be better in terms of cost and performance. Maybe it's the next major direction.

5. Surge protectionLEDSurge resistance is relatively poor, especially the ability to resist reverse voltage.Control Panel ProductionIt is also important to strengthen protection in this area. SomeLEDLight is mounted outdoors, asLEDLamp。 Due to the power grid load and lightning induction, from the grid system will invade various surges, some surges will causeLEDDamage. thereforeLEDDrive the power supply to contain the surge intrusion, protectLEDAbility to not be damaged.

6. protection function Power supply In addition to the normal protection function, preferably in the constant current output increaseLEDTemperature negative feedback to preventLEDThe temperature is too high.

7. Protection Lamp external Installation type, the power supply structure to waterproof, moisture-proof, Shell to be sun-resistant.

8. The life of the driving power supplyLEDThe life of the match.

9Control Panel ProductionTo meet the requirements of safety and electromagnetic compatibility.

WithLEDIs increasingly widely used,LEDThe performance of the drive power will be more and more suitableLEDRequirements.

 


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