Internal Transients Are Silently Disrupting
Electrical Systems And Damaging Electronics
Internal transients are created from within a given facility, business or home. They can be either Impulse or RingWave type surges.
Impulse surges are caused by changes in voltage and can reach 6000 Volts and 3000 Amps.
RingWave surges are caused by changes in frequency. Surges oscillate and levels can reach 6000 Volts and 500 Amps but are generally 2000 Volts and lower.
Internally generated surges account for 80% or more of surge related electronics & electrical damage within a facility. RingWaves are typically the most frequent surge type, especially in busy commercial and industrial scenarios.
Surge related activities are the most overlooked and misdiagnosed power quality problem today.
What Causes Internal Transients?
Internal transients are created by everyday operations of electrical and electronic equipment.
Abruptly
changing the current flowing through an electrical circuit produces surges. Simply switching on a light, motor, copy
machine or other electrical device creates the abrupt change in current
flow.
Internally generated transients can be either random or repetitive. Turning on a light, motor or using a copier tends to be random. The operation of variable frequency drives, rectifiers and other switch-mode power supplies are repetitive and can produce surges with incredible abundance.
Switching larger loads produce larger transients with larger surge energies. Examples of larger transient producing
equipment include; electric welders, HVAC compressors and motors.
Surges Occur More Often Than Most Realize
Internal surge events can occur thousands of times per day in a residential setting. They can occur millions of times per day in busy industrial and commercial environments.
Internal Surges Are Damaging Electronics
Quietly Damaging. Even at low intensity, surges occurring thousands to millions of times per day are harmful. These surges chip away at sensitive circuits within equipment.
Over time, repetitive surge events causes deterioration. Deterioration leads to system disrupts, timing issues, process glitches and light flicker. Eventually, these surge symptoms lead to Hard Failure. Typically, its Premature Failure.
In addition…
Internal transients can produce immediate damage. Power Quality Monitoring has recorded 6000+ volt surge activity at the receptacle level. That's 6000+ volts at an outlet.
Damage, resulting from transient activity, including premature equipment failure, can be prevented.
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Internal Transients: Preventive Measures
The simple, normal, everyday operation of electrical and electronic equipment create transients. These voltage and frequency surges vary in magnitude and occurrence, so in correlation, they produce varying degrees of damage with each event.
Regardless, electrical systems and electronic equipment are increasingly susceptible to transient voltage activity.
Prevent Damage. Mitigate internal transients with High Quality, High Performance surge protective devices (SPDs).
Note: Not all SPDs protect effectively against both RingWave and Impulse type transients. Our SPDs Do.
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