2016年12月4日 · The meaning of BALLAST is a heavy substance (such as rocks or water) placed in such a way as to improve stability and control (as of the draft of a ship or the buoyancy of a balloon or submarine). How to use ballast in a sentence.

An electronic ballast uses solid state electronic circuitry to provide the proper starting and operating electrical conditions to power discharge lamps. An electronic ballast can be smaller and lighter than a comparably rated magnetic one.

Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within a boat, ship, submarine, or other floating structure that holds water is called a ballast tank.

BALLAST definition: 1. heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air…. Learn more.

2012年2月24日 · An electronic ballast, also known as an electrical ballast, regulates the initial voltage and current flowing through lighting devices to ensure stable operation. It does this through the principle of electrical gas discharge .

gravel, broken stone, slag, etc., placed between and under the ties of a railroad to give stability, provide drainage, and distribute loads. Electricity.

2024年8月26日 · The purpose of a ballast is to control the current flow to your lamp. When you flip the switch, electricity flows through the ballast to the lamp. The ballast restricts the voltage to a safe level, so the gas inside the discharge lamps (like fluorescent or …

2017年8月7日 · Learn what a ballast is in a light fixture, how it works, the different types available, and their importance in lighting systems. Discover insights for both residential and commercial applications.

2024年12月1日 · The electrical ballast is an electrical device connected in series with load to limit current in the circuit. The commonly used type is inductive ballast in fluorescent lamps that limits current through the tube; if not, current can be high, which can …

2025年1月17日 · A ballast is an electrical component that controls the current flowing through gas-discharge lamps. It provides the necessary voltage to start the lamp and then regulates the current to ensure proper operation once the lamp is running.