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[2013-02-08]
Fluorescent lamp starter and ballasts, the current principle, the role of power connected, 220V AC ballast, ballast mutual inductance of about 600V high voltage is applied to the lamp.Lamp reflect, but parallel to the starter on the other side of the bulb, 600V high voltage through the filament...
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[2013-02-08]
Series connection !
1 starter circuit Instant-On (neon put a little glow to the U-move the contacts to generate heat expansion elongation) circuit switched the starter stop playing tap-chip cooling contraction circuit disconnect....
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[2013-02-08]
Fluorescent lighting fixtures: fluorescent ballasts and starter. Each of the two ends of the lamp a filament, a tube filled with a dilute book argon and trace amounts of mercury vapor, and coated with phosphor on the tube wall....
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[2013-02-08]
High pressure sodium ballasts for lamps provide stable current use of the inductive reactance of the ballast, and other pipe lit work. Ballast for the lamp to provide a high starting voltage, lamp conduction. The use of a counter electromotive force of the ballast, with Lenz's law explanation is that acts in the moments before the other pipe lighting....
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[2013-02-08]
Sodium lamps start to get through to several thousand volts, electronic ignitor the high-voltage pulse to get through the bulb, and then supply current through the ballast flows through the trigger and then flows through the bulb, lamp voltage and current characteristics similar to the diode, and even "negative impedance characteristics....
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[2013-02-08]
when the sodium lamp operating current increases, cause lamp resistance becomes small, light resistance becomes greater and greater and the lamp current. Continue to do so, simply can not be stabilized sodium lamp. Therefore, you must use the current limiting devices. The high pressure sodium ballasts are a large inductance, it is inductive impedance in AC, thus limiting sodium lamp operating current....
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[2013-02-08]
Energy-saving lamps the growing popularity of electronic ballasts to reduce energy consumption, save energy, the development direction of the light source. The failure of the majority of the energy-saving lamps electronic ballast out. The check should first be visually inspected, and then can be energized to detect....
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[2013-02-08]
Energy saving electronic ballasts selection Ten empirical law:
Insulation layer selection: actual power in less than 20 watts of energy-saving lamps do not need insulation lights do not require insulation layer, needs more than 20 watts of energy-saving lamps in the shade on the installation of the insulation layer and outside air convection....
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[2013-02-08]
Energy-saving lamps electronic ballasts works as follows:
1. 220V AC power through the five filtering after the bridge rectifier and a capacitor in the electronic energy-saving ballast work becomes a direct voltage of about 310V working voltage to two transistor inverter circuit....
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[2013-02-08]
Energy-saving lamps are not just white, it was the invention of a variety of colors. Color energy saving lamps also produce a different application: red, green, orange, blue, pink, and novelty purposes. 2 phototherapy Blue. 3 yellow, outdoor lighting, because it does not attract insects. 4 special effects of ultraviolet light....
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