Usually ballasts used in street lighting is a type of regulator or constant wattage. Summary of the

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Okay buddy, after we discussed about the optical system of street lighting armature, this time we laanjutkan to discuss about the electrical system style pantry and mechanical system of street lighting armature, To be able to understand, follow style pantry and refer to the following description.
Components of the electrical system on the armature lights (luminaire) street lighting are discussed in this section is the ballast. A ballast is required for all types of HID lamps and fluorescent lamps (neon). A ballast generally has three functions:
- Keeping the lights remain in operation at the beginning of the design parameters. HID bulbs have a resistance or a very low impedance operation. In addition, style pantry if there is no HID lamp ballast control operations, then the flow will continue to increase which causes the impedance also declined steadily, and resulted in increased flow continues until belebihan. The cycle will continue until the lights burning and the phenomenon is called negative resistance. Ballasts provide control functions and limit the available power to the lights.
Usually ballasts used in street lighting is a type of regulator or constant wattage. Summary of the characteristics of the type of ballast used in street lighting is presented in the following table.
Line (volts)
Ballast for high pressure sodium lamps are located in the armature lamp, the only exception if it will be used for the pedestrian style pantry area lighting ballasts can be mounted on a pole.
System mechanical armature lights (luminaire) serves to mengenas all optical and electrical components to be safe, neat and attractive. The system consists of the luminaire, lamp socket support, slipfitter, hinges and mechanical fasteners to allow ready access to the interior of the luminaire, and an assortment of miscellaneous hardware.
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