Electronic ballast, also known as the control gear is found in most of the electric circuits to keep a check on the allowable limit for supply of electric current to the circuits. They act more like resistors and are used in neon bulbs and LEDs.
The uses of electronic ballasts for high power installations are not recommended as the resistance varies greatly in complexity and depends much upon the capacitive action of inductors and capacitors. Most of the ballasts are remote controlled and come with digital technology to be used in fluorescent lamps. In general the ballasts help in stabilizing the overall current load. With negative supply of current flow, the ballasts draw power from a high voltage supply and distribute it at an appropriate level for the circuit to be stabilized. By deriving positive resistance, the ballasts limit the supply of current and a good example would be the gas discharge lamp.
The concept is more based on the reduction of current to increase the voltage drop. There are automobile ignitions with ballasts to regulate the level of voltage drop to bring it in positive circuit from the negative resistance of current supply. Take the case of LEDs, they are devices which react in a positive way and have no controls over the current consumption from varied sources of high voltages. Most of the LEDs or light emitting diodes emphasize on the use of electronic ballasts to regulate the flow of current and stabilize the mode of connection for LEDs. A lot of light emitting diodes use simple resistive ballasts and are found to be good for power distribution.
Most of the ballasts take advantage of the solid state ignitions for proper functioning of the electrical devices such as the lamps and fluorescents tubes and are quite an instant hit with the HID lamps. With more and more lamps operating at a higher efficiency that rate about 9% than the estimated standard mains of 10 KHz, the ballasts improve the overall ideal reactance required for regulating the current limit for any electrical device. With higher resistance, the use of capacitors combined with electrical ballasts as a resistor provides optimum utilization of current.
It is widely known that electronic ballast works on SMPS modules and regulate high frequency supply of current with possibilities for dim controls with remote operations. They offer superior lighting quality that helps in conserving energy to the maximum. This provides a long life to lamps and tubes for efficient performance in operation. They are very cost effective and have a range of lighting models for the various needs of home and commercial purposes. With versatile and improved performance of electronic ballasts, they help in regulating safety in the indoors as well as the outdoor environment and light up the ambience of a place.