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Electronic Ballasts

February Tech Tip: Understanding Electronic Ballasts and LED Drivers and Their Impact on Photo Controls

2/9/2017

What are Electronic Ballasts?

Ballasts limit the amount of current from supply line voltage, while maintaining the necessary electrical conditions for proper lamp start and operation. Ballasts vary in design complexity. Older, simplistic magnetic models minimally include inductors, capacitors and a series resistor. Modern electronic ballasts employ solid-state circuitry, which successfully eliminates the stroboscopic effect of flicker in fluorescent lighting, while increasing ballast efficiency.

Electronic ballasts, or drivers, are used to drive various lighting loads, including light emitting diodes (LED), fluorescent (Linear and CFL), induction fluorescent (IF), and high-intensity discharge (HID) lamps. These designs have different electrical start-up characteristics that ...

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Featured Stories

Indentured servant

Your Moment of Apprenticeship ZEN

2/7/2017

A little history is fun.

To this end- history and fun- I am going to parse out a few historical facts and reminders about apprenticeship ...

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Sprint's February Offer

Click to download full PDF

Sprint's February Offer

2/5/2017

Switch to Sprint and get unlimited data, talk and text and get two lines for $85/month.

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Federated

Good Reasons to Have a Drug-and-Alcohol-Free Workplace Program

2/5/2017

In its simplest form, managed care describes a variety of techniques that, when properly deployed, can help support an effective risk management program. These strategies ...

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Archive

Lexey Swall for The Chronicle

Should the U.S. Become a Nation of Apprentices?

12/23/2015

With an eye to Europe, the Obama administration is touting apprenticeships as a way to ...

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Combo Logos

Growing Demand Results in New HVAC Technician Pre-Apprenticeship Program

12/15/2015

In response to a growing demand in the mid-Maryland region, Howard Community College is partnering ...

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Voice of Reason Live with Guest Donte Lee from IEC Chesapeake

12/4/2015

Donte gets to the heart of the IEC Chesapeake Apprenticeship Program around the 6:18 ...

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