China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

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Magnetic HID ballasts
2012-11-23 16:14:21
High Intensity Discharge(HID) Kits includes the mercury vapor, high-pressure sodium and metal halide lamps. mercury vapor, high-pressure sodium and metal halide ballasts.The basic construction of the lamp is two envelopes - an inner envelope (arc tube) which contains the arc, and the outer envelope (called bulb) which filters out the UV and shields the inner arc tube. The inner arc tube contains the electrodes and various metal halides, along with the mercury and inert gas. The typical halides used are some combination of sodium, thallium, indium, scandium, and dysprosium iodides. These iodides control the spectral power distribution of the lamp and provide the color balance by combining the spectra of the various iodides used.
  1. Provides the proper voltage to establish an arc between the two electrodes of the lamp
    (Starts the Lamp)

     
  2. Regulates the electric current flowing through the lamp to stabilize light output
    (Runs the Lamp)
     

Magnetically regulated ballasts use three coils and saturable magnetic elements to provide a high degree of power regulation to the lamp. From the perspective of the lamp, operation is the same as on a lag ballast with a well-regulated input voltage. These typically have twice the material content of comparable CWA ballasts and higher losses. They are primarily used in heavy industrial settings where switching of large electrical loads impacts lighting circuits (for example, a downlight hanging from a crane in a steel mill). James Lighting manufacture the hps ballasts and metal halide ballasts over 20 years.with strength of fluorescent ballasts.

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