According to the power grid electricity rules and led strip lighting the characteristics of the power supply requirements driven, in choice and design LED drive power supply should consider when the following:
1. The high reliability of the street lamp as special LED drive power supply, into the air, maintenance is convenient, the cost of maintenance.
2. LED is high efficiency energy saving products, drive power efficiency to high. For the power supply in the structure of the lamps installed in, particularly important. Because of the LED the luminous efficiency of LED temperature rise, so LED cooling is very important. The power of the high efficiency, and it\'s less power loss, in small heat in lamps, also reduced the rise of temperature of the lamps. LED light failure to delay the advantage.
3. High power factor power factor is the requirement of electric load. General 70 watts of the appliances, no mandatory index. Although not a single use electric power of the power factor of the influence of a low power grid is not big, but at night you light a lamp, the same load too focused, and will to power generates a serious pollution. To 30 watts ~ 40 tile LED drive power supply, it is said that in the near future, may be the power factor to a certain extent an index requirements.
4. Driving away now popular has two kinds: one is a constant pressure source for a more constant current source, each constant current source to every single road LED power supply. This way, flexible combination, LED all the way to the fault, does not affect other LED work, but the cost will be slightly a little higher. The other one is direct constant current power supply, the LED series or parallel operation. It has the advantage of low cost a bit, but poor flexibility to solve a LED failure, does not affect other LED operation of the problem. The two forms, in a period of time coexist. Many paths constant current output power supply mode in cost and performance will be better. Perhaps is the mainstream after direction.
5. Surge protection of the ability of the surge LED is relatively poor, especially resistance to reverse voltage ability. Strengthen this protection is also very important. Some LED lights are installed in outdoor, such as LED street lamp. Due to the power grid of the load off and the induction lightning and, from the power grid system may invade the various surges. Some surge will lead to LED damage. So drove to inhibit power LED the invasion of the surge, protect the damaged LED not ability.
6. Protection function power in addition to regular protection function outside, had better be in constant current output increase in LED temperature negative feedback, prevent LED temperature was too high.
7. Protection lamps installed the type, the power structure of waterproof, proof. Shell to bask in resistance.
8. The life of the power to drive a 12v led light bars the life span of the phase adaptation.
9. Must comply with the safety and the requirements of the electromagnetic compatibility.
Along with the wide application of LED, LED drive capability of power will be more and more suitable for LED requirements.
According to the power grid electricity rules and LED the characteristics of the power supply requirements driven, in choice and design LED drive power supply should consider when the following:
1. The high reliability of the street lamp as special LED drive power supply, into the air, maintenance is convenient, the cost of maintenance.
2. high density led strip efficiency energy saving products, drive power efficiency to high. For the power supply in the structure of the lamps installed in, particularly important. Because of the LED the luminous efficiency of LED temperature rise, so LED cooling is very important. The power of the high efficiency, and it\'s less power loss, in small heat in lamps, also reduced the rise of temperature of the lamps. LED light failure to delay the advantage.
3. High power factor power factor is the requirement of electric load. General 70 watts of the appliances, no mandatory index. Although not a single use electric power of the power factor of the influence of a low power grid is not big, but at night you light a lamp, the same load too focused, and will to power generates a serious pollution. To 30 watts ~ 40 tile LED drive power supply, it is said that in the near future, may be the power factor to a certain extent an index requirements.
4. Driving away now popular has two kinds: one is a constant pressure source for a more constant current source, each constant current source to every single road LED power supply. This way, flexible combination, LED all the way to the fault, does not affect other LED work, but the cost will be slightly a little higher. The other one is direct constant current power supply, the LED series or parallel operation. It has the advantage of low cost a bit, but poor flexibility to solve a LED failure, does not affect other LED operation of the problem. The two forms, in a period of time coexist. Many paths constant current output power supply mode in cost and performance will be better. Perhaps is the mainstream after direction.
5. Surge protection of the ability of the surge LED is relatively poor, especially resistance to reverse voltage ability. Strengthen this protection is also very important. Some LED lights are installed in outdoor, such as LED street lamp. Due to the power grid of the load off and the induction lightning and, from the power grid system may invade the various surges. Some surge will lead to LED damage. So drove to inhibit power LED the invasion of the surge, protect the damaged LED not ability.
6. Protection function power in addition to regular protection function outside, had better be in constant current output increase in LED temperature negative feedback, prevent LED temperature was too high.
7. Protection lamps installed the type, the power structure of waterproof, proof. Shell to bask in resistance.
8. The life of the power to drive a LED the life span of the phase adaptation.
9. Must comply with the safety and the requirements of the electromagnetic compatibility.
Along with the wide application of LED, LED drive capability of power will be more and more suitable for LED requirements.
1. The high reliability of the street lamp as special LED drive power supply, into the air, maintenance is convenient, the cost of maintenance.
2. LED is high efficiency energy saving products, drive power efficiency to high. For the power supply in the structure of the lamps installed in, particularly important. Because of the LED the luminous efficiency of LED temperature rise, so LED cooling is very important. The power of the high efficiency, and it\'s less power loss, in small heat in lamps, also reduced the rise of temperature of the lamps. LED light failure to delay the advantage.
3. High power factor power factor is the requirement of electric load. General 70 watts of the appliances, no mandatory index. Although not a single use electric power of the power factor of the influence of a low power grid is not big, but at night you light a lamp, the same load too focused, and will to power generates a serious pollution. To 30 watts ~ 40 tile LED drive power supply, it is said that in the near future, may be the power factor to a certain extent an index requirements.
4. Driving away now popular has two kinds: one is a constant pressure source for a more constant current source, each constant current source to every single road LED power supply. This way, flexible combination, LED all the way to the fault, does not affect other LED work, but the cost will be slightly a little higher. The other one is direct constant current power supply, the LED series or parallel operation. It has the advantage of low cost a bit, but poor flexibility to solve a LED failure, does not affect other LED operation of the problem. The two forms, in a period of time coexist. Many paths constant current output power supply mode in cost and performance will be better. Perhaps is the mainstream after direction.
5. Surge protection of the ability of the surge LED is relatively poor, especially resistance to reverse voltage ability. Strengthen this protection is also very important. Some LED lights are installed in outdoor, such as LED street lamp. Due to the power grid of the load off and the induction lightning and, from the power grid system may invade the various surges. Some surge will lead to LED damage. So drove to inhibit power LED the invasion of the surge, protect the damaged LED not ability.
6. Protection function power in addition to regular protection function outside, had better be in constant current output increase in LED temperature negative feedback, prevent LED temperature was too high.
7. Protection lamps installed the type, the power structure of waterproof, proof. Shell to bask in resistance.
8. The life of the power to drive a 12v led light bars the life span of the phase adaptation.
9. Must comply with the safety and the requirements of the electromagnetic compatibility.
Along with the wide application of LED, LED drive capability of power will be more and more suitable for LED requirements.
According to the power grid electricity rules and LED the characteristics of the power supply requirements driven, in choice and design LED drive power supply should consider when the following:
1. The high reliability of the street lamp as special LED drive power supply, into the air, maintenance is convenient, the cost of maintenance.
2. high density led strip efficiency energy saving products, drive power efficiency to high. For the power supply in the structure of the lamps installed in, particularly important. Because of the LED the luminous efficiency of LED temperature rise, so LED cooling is very important. The power of the high efficiency, and it\'s less power loss, in small heat in lamps, also reduced the rise of temperature of the lamps. LED light failure to delay the advantage.
3. High power factor power factor is the requirement of electric load. General 70 watts of the appliances, no mandatory index. Although not a single use electric power of the power factor of the influence of a low power grid is not big, but at night you light a lamp, the same load too focused, and will to power generates a serious pollution. To 30 watts ~ 40 tile LED drive power supply, it is said that in the near future, may be the power factor to a certain extent an index requirements.
4. Driving away now popular has two kinds: one is a constant pressure source for a more constant current source, each constant current source to every single road LED power supply. This way, flexible combination, LED all the way to the fault, does not affect other LED work, but the cost will be slightly a little higher. The other one is direct constant current power supply, the LED series or parallel operation. It has the advantage of low cost a bit, but poor flexibility to solve a LED failure, does not affect other LED operation of the problem. The two forms, in a period of time coexist. Many paths constant current output power supply mode in cost and performance will be better. Perhaps is the mainstream after direction.
5. Surge protection of the ability of the surge LED is relatively poor, especially resistance to reverse voltage ability. Strengthen this protection is also very important. Some LED lights are installed in outdoor, such as LED street lamp. Due to the power grid of the load off and the induction lightning and, from the power grid system may invade the various surges. Some surge will lead to LED damage. So drove to inhibit power LED the invasion of the surge, protect the damaged LED not ability.
6. Protection function power in addition to regular protection function outside, had better be in constant current output increase in LED temperature negative feedback, prevent LED temperature was too high.
7. Protection lamps installed the type, the power structure of waterproof, proof. Shell to bask in resistance.
8. The life of the power to drive a LED the life span of the phase adaptation.
9. Must comply with the safety and the requirements of the electromagnetic compatibility.
Along with the wide application of LED, LED drive capability of power will be more and more suitable for LED requirements.
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