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Posts tagged HID Ballast

Magnetic Regulator (Regulated Lag) HID Ballast Circuit Diagram

Magnetically Regulated (Mag Reg) and Regulated Lag (Reg Lag) are another type of EM (Electromagnetic Ballasts) HID ballasts. This ballast design is the most sophisticated and provides the highest power regulation to the lamp. They utilize a magnetic with three separate coils. The following schematic shows the Magnetic Regulator (Regulated Lag) HID Ballast Circuit Diagram. This circuit can operate at a variety of line voltages by usingthe different Line V transformer tap locations.

Constant-Wattage Autotransformer (CWA) HID Ballast Circuit Diagram

Also known as lead style ballasts, Constant-Wattage Autotransformer (CWA) ballasts are the most common ballasts used on 175 W or higher MH lamps. It offers the best compromise between cost and performance, means of providing stabilized light output (lamp regulation) as opposed to the Magnetically Regulated circuit. The circuit consists of a high reactance autotransformer with a capacitor in series with the lamp resulting in a high power factor ballast. Shows a typical Constant-Wattage Autotransformer (CWA) HID Ballast Circuit Diagram. This circuit requires an ignitor for QMH (Quartz Metal Halide) pulse start, CHM (Ceramic Metal Halide) and HPS (High Pressure Sodium).

High-Reactance Autotransformer HID Ballast Circuit Diagram

The High-Reactance Autotransformer Ballast is used when the line voltage in insufficient to ignite the lamp using a reactor type ballast. As a result, these ballasts are bigger, heavier, and less efficient than reactor ballasts, but they can be used in a wide variety of applications, because they come with multitap capability.

Reactor Electromagnetic HID Ballast Circuit Diagram

The Reactor Electromagnetic HID Ballast is the simplest, smallest, most efficient and most economical type of electromagnetic ballast. The reactor ballast is electrically in series with the lamp. There is no capacitor involved with the operation of the lamp.