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How HID BULBS/LAMPS AND BALLASTS Work- Metal Halide, High Pressure Sodium, \u0026 Mercury Vapor
How HID BULBS/LAMPS AND BALLASTS Work- Metal Halide, High Pressure Sodium, \u0026 Mercury Vapor
How HID BULBS/LAMPS AND BALLASTS Work- Metal Halide, High Pressure Sodium, \u0026 Mercury Vapor
The Complete Guide To Lighting Ballasts [1]
Whether they’re being used in industrial applications, as grow lights, around the home or anywhere else, LED lamps are generally chosen for their superior quality and consistency of light output – as well as their excellent economy when it comes to long-term running costs. Today, they’re especially popular options for use in downlights and display lighting setups.
Due to the low power draw, LED lights don’t require a ballast per se – but if you’re looking to swap out your existing fluorescent or HID lamps to take advantage of LED technology, it’s likely you’ll want to insert LED lamps directly into the existing fittings. In that case, you have a few options, the simplest of which is usually a ‘plug-and-play’ format.
All ballasts will eventually fail, and in time you’ll find yourself needing to replace an LED lighting ballast for lamps that don’t technically require one. However, a non-ballast-compatible LED lamp wouldn’t work at all until you’d removed the ballast entirely and wired in the correct driver system, which would usually mean significantly rearranging or replacing the existing fixture.
Fluorescent Lamp Ballasts [2]
Fluorescent lamp ballasts are used to start and operate fluorescent lamps by providing the high voltage required to start the lamps and then limiting the current to a safe value. There are two basic types of fluorescent ballasts: magnetic (low frequency) and electronic (high frequency)
Fluorescent ballasts are also distinguished by their starting method: instant start (IS), rapid start (RS), and programmed start (PS). IS ballasts are inherently more efficient than RS and PS ballasts because they rely on a very high initial voltage to initiate the arc rather than electrode heating
PS ballasts, which are advanced versions of RS ballasts, can significantly increase lamp lifetime in occupancy sensor applications.. Efficiency standards for T12 fluorescent ballasts were established by Congress in 1990 and amended by DOE in 2000 (T12 fluorescent lamps have a diameter of 1 1/2”; T8 lamps have a 1” diameter; and T5 lamps have a 5/8” diameter)
Electrical ballast [3]
An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.. A familiar and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube, which would otherwise rise to a destructive level due to the negative differential resistance of the tube’s voltage-current characteristic.
An electrical ballast is a device that limits the current through an electrical load. These are most often used when a load (such as an arc discharge) has its terminal voltage decline when current through the load increases
To prevent this, a ballast provides a positive resistance or reactance that limits the current. The ballast provides for the proper operation of the negative-resistance device by limiting current.
What are the different types of ballasts? [4]
The buzzing you hear is coming from the ballast, not the bulb itself.. Ballasts, light bulbs – it’s all the same, isn’t it?
If you’ve already got your ballast basics down, and you’re ready to shop, click here to register your business for discounted pricing.. There are two lamp families that work with a ballast: fluorescent and HID
For the fluorescent family, both T12 linear fluorescents and two-pin CFLs use magnetic ballasts. For HIDs, some metal halides and HPS lamps use magnetic ballasts.
Electrical ballast [5]
An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.. A familiar and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube, which would otherwise rise to a destructive level due to the negative differential resistance of the tube’s voltage-current characteristic.
An electrical ballast is a device that limits the current through an electrical load. These are most often used when a load (such as an arc discharge) has its terminal voltage decline when current through the load increases
To prevent this, a ballast provides a positive resistance or reactance that limits the current. The ballast provides for the proper operation of the negative-resistance device by limiting current.
Light Guide: Fluorescent Ballasts [6]
All gas discharge lamps, including fluorescent lamps, require a ballast to operate. The ballast provides a high initial voltage to initiate the discharge, then rapidly limits the lamp current to safely sustain the discharge
Similarly, the American National Standards Institute (ANSI) publishes recommended lamp input specifications for all ANSI type lamps. Ballasts are designed to optimally operate a unique lamp type; however, some ballasts will adequately operate more than one type of lamp
Less than optimum conditions may affect the lamp’s starting characteristics, light output, and operating life.. Fluorescent ballasts are manufactured for three primary types of fluorescent lamps: preheat, rapid start, and instant start.
Choosing the Right Fluorescent Ballast — 1000Bulbs.com Blog [7]
Unless you’re an electrician, it’s probably news to you that many fluorescent lights, such as those used in your kitchen or garage, require electrical devices called ballasts to operate. Ballasts supply the proper voltage to start and run the majority of fluorescent lights
This is often the case with compact fluorescents, but this rarely happens with fluorescent tubes.. If your fluorescent bulb doesn’t specify that it has a built-in ballast, chances are, you’ll need to purchase one separately
That’s why we’ve updated our previous article on choosing fluorescent ballasts: to make this process even easier. The comprehensive information below will help you select the fluorescent ballast you need.
Your Complete Introduction to Lighting Ballasts [8]
Need an introduction to lighting ballasts? Here’s our complete overview on this topic, in hopes of helping you find the ballasts that best meet your lighting needs. Have we missed something in this guide? Make sure to leave a comment and let us know
In this article, any mention of a ballast is about a lighting ballast. Similar to a ship ballast, a lighting ballast provides stability to a light bulb, or lamp.
A lighting ballast provides this stability by generating the voltage needed to start a lamp and then continues to regulate the flow or current of electricity during operation. This is because the lamp itself cannot regulate this electrical current and, without a ballast, would quickly be destroyed.
Which light bulbs need a ballast? [9]
If you’re new to commercial lighting, the concept of a ballast can be an odd one. You’re probably used to just screwing light bulbs into sockets and flipping switches
You might be wondering, what exactly is a ballast? We explain that in detail in our post, “What is a ballast?” But here’s the gist:. A ballast is the functional heart of a fluorescent or HID light source
Hearts work to distribute blood via channels, or arteries, in the body to keep a body active and alive. Ballasts do the same for the fluorescents and HIDs in your buildings, but with energy.
What are the different types of ballasts? [10]
The buzzing you hear is coming from the ballast, not the bulb itself.. Ballasts, light bulbs – it’s all the same, isn’t it?
If you’ve already got your ballast basics down, and you’re ready to shop, click here to register your business for discounted pricing.. There are two lamp families that work with a ballast: fluorescent and HID
For the fluorescent family, both T12 linear fluorescents and two-pin CFLs use magnetic ballasts. For HIDs, some metal halides and HPS lamps use magnetic ballasts.
How To Replace The Ballast In A Fluorescent Lighting Fixture 09 [11]
James Hornof is a Master Electrician and the Owner and President of B & W Electric based in Denver, Colorado. With over two decades of experience in the electrical construction industry, James specializes in field installation, management, estimating, and design
James holds a Master Electrician license in Colorado, Wyoming, and Texas.. All fluorescent light fixtures consist of at least lamp(s), lamp holders, ballast and internal wiring
Read on to learn how to swap out the old with an approved replacement ballast of the same technology. Please read the entire article and warnings before attempting.
What is an Electrical Ballast? [12]
An electrical ballast s a device that provides the correct amount of voltage and current to the correct components in an electric circuit.. In simple terms, it is a resistor or diode with a specific number of ohms or volts
They are most commonly used to operate gas discharge lamps, like an HID lamp or a fluorescent lamp. You can determine how much light a lamp operated on a given ballast will emit based on the ballast factor (also known as the power factor)
The ballast factor is calculated based on the lumen output of a lamp ballast, as well as the output of a reference ballast using the same lamp. A low ballast factor (under 1) means the lamp produces less light than the reference and there are greater ballast losses, and a high ballast factor (over 1) means the lamp produces more light than the lamps operated by the reference and there are fewer ballast losses
The complete guide to ballasts for fluorescent lights [13]
The complete guide to ballasts for fluorescent lights. View our full range of ballasts here or take a look at our curated products shown here.
When that UV light (which is invisible to the naked eye) interacts with the coating of phosphor powder inside the tube, it glows and produces the light we see and use in our homes.. But whenever we use electricity we must control it, otherwise, we risk destroying the device and even putting ourselves in danger
The ballast (sometimes called control gear) is a small device wired to the light’s circuitry which restricts the amount of electrical current travelling through it.. Because your home’s mains power has a higher voltage than the light needs to operate, the control gear gives the light a small boost of voltage to start and then just enough of a supply to stay running safely.
Venture Lighting, Ballast Technical Section [14]
Single Voltage Hybrid and HX family of ballasts includes single voltage lag and multi-tap HX. to Uni-Form pulse start lamps to provide peak lamp performance.
Multi-Tap; and CWA designs offer flexibility and lower inventories. line of multi-tap CWA ballasts for Uni-Form pulse start lamps where
lamp power variation with respect to lamp voltage variation. ballasts provide more consistent color from lamp-to-lamp than constant
What Is a Ballast and Why Don’t LED Lights not Need Them? [15]
Although this has largely been imperceptible, lighting technology has come a long way in the past few decades, and many things considered essential in legacy fluorescent lighting systems are no longer needed in modern LED setups.. One of the most common terms you’ll hear when you research designing your lighting will be a ‘ballast’, so what is it exactly? What is its function? Is it necessary for LED lighting setups? Can it be detrimental to them? In this piece, we’ll offer comprehensive answers to all these questions and more
Many fluorescent and HID lights have lighting ballasts as a critical component that enables the current to be regulated according to bulb type. Fluorescent and HID lights won’t stay lit up for very long without ballasts to control current flow at different voltages
The ballast is probably what you were hearing if you’ve ever passed a standing light fixture or ceiling batten and heard a low humming or buzzing sound. A ballast is essentially a form of electrical resistor or reactance that is installed in line with the circuits that provide a light bulb with electricity
Light Bulb & Lighting Terminology Definitions [16]
adaptation – The process by which the retina of the eye becomes accustomed to more or less light than it was exposed to during an immediately proceeding period. It results in a change in the sensitivity of the eye to light.
average life – Value for life expectancy of a lamp.. ballast – A device used with an electric-discharge lamp to obtain the necessary circuit conditions (voltage, current and wave form) for starting and operating; all fluorescent and HID light sources require a ballast for proper operation
ballast factor, BF – The measured ability of a particular ballast to produce light from the lamp(s) it powers. Ballast factor is derived by dividing the lumen output of a particular lamp/ballast combination by the lumen output of the same lamp(s) on a reference ballast.
Sources
- https://uk.rs-online.com/web/content/discovery/ideas-and-advice/lighting-ballasts-guide
- https://appliance-standards.org/product/fluorescent-lamp-ballasts#:~:text=Fluorescent%20lamp%20ballasts%20are%20used,and%20electronic%20(high%20frequency).
- https://en.wikipedia.org/wiki/Electrical_ballast#:~:text=A%20familiar%20and%20widely%20used,Ballasts%20vary%20greatly%20in%20complexity.
- https://insights.regencysupply.com/what-are-the-different-types-of-ballasts#:~:text=Today%2C%20most%20fluorescent%20and%20HID,eliminates%20any%20flickering%20and%20buzzing.
- https://en.wikipedia.org/wiki/Electrical_ballast
- https://www.lightsearch.com/resources/lightguides/ballasts.html
- https://blog.1000bulbs.com/home/choosing-the-right-fluorescent-ballast
- https://blog.lightingsupply.com/blog/your-complete-introduction-to-lighting-ballasts
- https://insights.regencysupply.com/which-lamp-types-are-ballast-dependent
- https://insights.regencysupply.com/what-are-the-different-types-of-ballasts
- https://littleeagles.edu.vn/how-to-replace-the-ballast-in-a-fluorescent-lighting-fixture-zhomuf4n/
- https://www.localsearch.com.au/guides/electricians/what-is-an-electrical-ballast
- https://www.lampshoponline.com/advice/ballasts-explained-the-complete-guide
- http://hid.venturelighting.com/TechCenter/BallastTypes.html
- https://marcled.com/blog/2023/01/23/what-is-a-ballast-and-why-dont-led-lights-not-need-them/
- https://www.tcpi.com/lighting-glossary/
