Harmonic Study and Analysis

CareLabs offers a variety of electrical installation services, such as safety inspection, testing, calibration, and certification, as well as thorough harmonic research and analysis. Trained professionals will analyze your electrical safety program’s harmonic threats, training programs, paperwork, and personal protective equipment (PPE) to verify that it is current, legal, and complete.

CareLabs can discover harmonic distortions early on and take the required steps to reduce their effects to assure the equipment’s safety. Harmonics are electric voltages and currents that can affect an electrical system’s performance. They are inefficient at heating and may affect power quality. A mathematical approach for estimating potential resonances and degrees of harmonic distortion is harmonic voltage analysis. Harmonic voltage analysis is a mathematical approach for forecasting possible resonances and harmonic distortion levels by analysing data. Nonlinear switching equipment, such as AC variable frequency drives, DC drives, fluorescent lights, computers, and so on, inject harmonic frequencies into the electrical system. When harmonic voltage and current levels are high, there is a substantial risk of equipment failure. As a result, it is critical to study and analyze harmonics at the proper time. Harmonic restrictions in 415-volt systems are now 5%, with 4% of harmonics odd and 2% even.

Effects of Harmonic Distortion:

It has high voltage and current circulation.
Failure and destruction of equipment because of significant voltage distortion
Higher internal energy in components, resulting in increased fragility and a shorter lifetime.
Faults that cause branch circuit breakers to trip
Measurement error
Fires and explosions in wiring and distribution systems
Generator failure
The system power factor is decreasing.
Installation and utility costs are high.
Productivity decline
There is no need for unnecessary downtime or driving around.
Utilization of bigger engines

Harmonic difficulties are infrequent, but when they do arise, they tend to degrade the reliability, quality, and efficiency of the power system. As a result, it is critical to investigate and assess harmony.

Safeguards against voltage and current harmonics
Variations in frequency are limited.
Out of synchrony current and voltage
Improve power factor analysis and keep it close to one.
Voltage fluctuations are regulated.

Harmonic research and analysis will help determine what is happening and what is causing power quality problems. This will help to minimize harmonics-related design challenges and limit the possibility of unfavorable results.

Workflow for Harmonic Study and Analysis in CareLabs:

Highlight the nonlinear loads, capacitor banks, and long medium-voltage cables on an electrical circuit’s single-line design.
Locate the place of connection (PCC)
Determine which system buses are prone to harmonic distortions inside the facility.
Gather harmonics information from all nonlinear loads.
Obtain critical information about the voltage and current harmonics at the chosen PCC, such as the maximum and lowest short circuit fault levels and the harmonic levels authorized in Denmark.
ETAP (Electrical Transient Analysis Program) is used to analyze the electrical network’s harmonics.
Determine the total and individual values of voltage and current wave distortion at the buses and PCC.
Create a frequency spectrum for the harmonics.
If the levels of harmonic distortion surpass what is acceptable, a solution is proposed and implemented.
Rerun the analysis after implementing the countermeasure.

Advantages of CareLabs Service:

If background harmonics have been measured before, the second stage consists of higher ratings.

If the backdrop is less than 25%, step 2 permits the converter size to change based on the fault level and the kind of converter.
If the background is between 25% and 75%, the converter ratings may be decreased by 50%.
A complete harmonic analysis is performed for the top background.

CareLabs has crew members in many places to guarantee that our specialists are available for everyday work as well as emergencies. CareLabs quickly achieved ISO 9001:2008 accreditation and built a clientele with a favorable reputation and ratings. We provide research and analytical services in Copenhagen, Aarhus, Odense, and Aalborg, among other places in Denmark. Contact us right now to organize your harmonic analysis and study in Denmark, or to receive a quote.