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Whether you operate a casino, aviation center, power plant or oil facility, electrical power equipment can fail—no matter what your facility may be! Often, these failures occur because the insulation system is damaged, and regularly scheduling a power factor test can prevent them from happening. Not only can this test detect if there’s deterioration within  … Read more

The sole purpose of protective relays is to rid power systems of the elements that lead to short circuits. However, before protective relays are used, it is crucial that they are acceptance tested. Additionally, in order to ensure that protective relays continue to safely and efficiently fulfill their purpose, NFPA 70B 2016 states that they  … Read more

Just like a car’s oil is crucial for keeping it functioning properly, a transformer’s oil is crucial for keeping it functioning properly. Unlike with a car, which uses oil to keep its inner workings well lubricated, a transformer uses oil to keep it insulated and to prevent it from overheating. Similar to how you get  … Read more

Whether you oversee a nuclear plant facility, manage a hospital or operate an aviation center, your electrical system relies on the quality of power supplied to, and consumed by, the system. When poor power quality is present, it can cause an electrical system to overheat, improperly function, accelerate its wear and tear, falsely trip circuit  … Read more

What is a Short Circuit Study, or Electrical Failure Analysis? A short circuit (also known as a fault) is a problem that occurs when two or more wires come into contact that should not have. A short circuit can cause a very high amount of energy to flow through the electrical system all at once,  … Read more

If you have worked on—or walked under—high-voltage power lines, odds are you have heard a buzzing noise coming from the lines. Most people, however, do not know why power lines actually buzz. Is it static discharge, what is that noise? Vibration from a 60-cycle field? The high-voltage experts at North Central Electric are here to  … Read more

As with all electrical equipment, you want to make sure your cable insulation is performing its job. Not knowing if your cable insulation is up to par can lead to inefficiency with your equipment and a potentially dangerous situation for your employees—that’s why the engineering experts at North Central Electric are here to help! Here’s  … Read more

Arc Flash Analysis studies the power system in a facility Why is this important? Because it is the only way to determine how much incident energy your employees are exposed to when they interact with different pieces of electrical equipment in your facility. The experts at North Central Electric have broken down what Arc Flash  … Read more

Just like you do preventive maintenance for your car (oil changes, tire rotations, annual service appointments), it’s important to do the same for your electrical systems and equipment to avoid system and equipment failures. The experts at North Central Electric have come up with the best preventative program maintenance tips, so you can keep your  … Read more

When it comes to handling gas, safety should always be your top priority. Sulfur hexafluoride, or SF6, is a colorless, odorless, non-flammable, extremely potent greenhouse gas and is an excellent electrical insulator. Although it is not a toxic gas, exposure to pure SF6 gas can cause suffocation, eye irritation, skin rashes and chemical burns. North  … Read more