One hundred and twenty Watts LED Street Lamp

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Basic specification:

Q:Buy Engineering led wall washing lamps, which should pay more attention to?: Buy LED wash wall lamp, one is to see if there is no brand, or formal company name, address, don't buy products.

Q:LED Street pressure is not enough, what will happen?: Potential safety problems, resulting in shortened service life, serious damage to the product directly.

Q:Why does my 220V high voltage MR16 connector LED spotlight go up and burn out after one or two days?: Because I do not know the specific parameters of your lines and components, so you can only be the speculation, there are two reasons: one is the estimated LED spotlight you is the capacitance of capacitor step-down, while the voltage is selected 250V.

Q:What is the active power of LED street lamp? What is the relationship between input voltage and current and power?: When the alternating current through the load resistor, and the resistance of the AC voltage and AC current through the resistor is the same phase, and between them the phase angle phi = 0 degrees, while the active power consumption in the resistive load, power grid to supply energy. When the alternating current through the pure inductance load, phase AC voltage on the advanced phase of current 90 degrees and the angle between them phi = 90 DEG, produce reactive power in inductive load, power supply of electric energy in the inductor for temporary storage and magnetic energy back to the grid into electricity such a periodic cycle, results for grid is not energy, so that the "reactive power", but "reactive power" and "reactive current" still exist. When alternating current through pure capacitance load, also similar to this, but the phase AC voltage on the lag phase of current 90 degrees and the angle between them phi = - 90 degrees.

Q:What is the LED lamp light?: LED (Light, Emitting, Diode) light emitting diode is a solid-state semiconductor device that converts electrical energy into visible light. It can directly convert electricity into light. The heart of LED is a semiconductor wafer, one end of which is attached to a bracket, one end is negative, and the other is connected to the positive electrode of the power to encapsulate the entire wafer with epoxy resin.

Q:What are the benefits of a modular LED street lamp?: LED modular lamp benefits: first heat better, beads scattered, heat accumulation is relatively small, the heat dissipation requirements will be lower;

Q:What are the main differences between a LED street lamp and a solar street lamp? What are the advantages and disadvantages of each?: It is two kinds of concept that do not conflict, it is the explanation of street lamp from two angles, can make LED solar energy street lamp completely.

Q:I want to buy a LED buried lamp, buried lamp, is there a good introduction?: Super appearance, I personally feel that this machine is designed for girls, it is not suitable for boys. The three colors are very tender tender colors, very beautiful, I hesitated for a long time, still feel the white classic, the fact that my eyes, white to PL real than the picture, LED lights no picture so dark in the daytime, is also very bright. The body is slim and fit for MM.

Q:What are the necessary tests for the factory inspection of the LED street lamp?: High power LED light source (1W-200W), and heat radiation aluminum housing, as well as LED constant current source (power supply). At present, the market LED street lamps are divided into two major categories

Q:LED street lights generally use how many W, how much density is more appropriate?: 100W or so, the distance is about the same as ordinary street lights!

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