Power quality describes how well a piece of equipment uses the energy that is supplied to it. Excessive energy use and bills, high maintenance costs, direct economic ramifications, lost productivity, downtime, and resources that cannot be replaced, and unstable or malfunctioning equipment are all the outcome of power quality concerns. Energy management should be considered by every organization, and any energy management program should incorporate power quality. CareLabs offers a number of services that solve various sorts of energy difficulties. Based on our industry experience, we offer services to study and analyze power quality.
Quality of power supply is a more subtle and nuanced indicator than reliability. It is not a matter of whether or not there is enough supply. It is instead a matter of whether the supply can be used.
Power quality changes can be divided into two categories:
Changes:
When the voltage or current is not correct, a disturbance may develop. When the peak value of a transient voltage crosses a certain threshold, it may be calculated. RMS voltage fluctuations such as sags, swells, and interruptions may be noticed when the RMS variation surpasses a certain threshold.
Disturbances from the steady-state:
Changes in the RMS voltage and harmonic wave distortion are examples of steady-state variations. To keep track of these changes, voltage and current must be monitored throughout time. This sample data best demonstrates the extent of voltage distortion over time. The average distortion level, which is 95% is unlikely to be exceeded, and other ways to analyze it may then be employed.
Some of the characteristics that influence supplier quality are as follows:
Most of these objects are difficult to identify and recognize. Specific testing equipment is usually necessary to measure them, and only certified personnel or engineers should do so.
The steady-state voltage levels of an electrical system are continually changing due to load and other system events. Voltage levels frequently fall as the load rises. When a load is removed, the voltage level rises as well.
It is caused by a difference in the three-phase supply value or a shift in the phase angle. It can also be caused by unbalanced circuit impedances and unbalanced loads. It causes things to heat up, wear out equipment, and reduces effectiveness.
Voltage sags are short-term drops in RMS supply voltage lasting between 0.5 and one minute. Voltage swells are transient increases in RMS supply voltage that last between 0.5 cycle and one minute.
The supply frequency is the pace at which the supply voltage waves fluctuate. NEMMCO leads the National Electricity Market (National Electricity Market Management Company). The frequency norms are defined by the local generating authority outside of the National Electricity Market.
It is a recurring shift in the pattern of the supplied voltage or current. Extra harmonics can cause extra losses, flickering lights, malfunctions, radio interference, motor vibrations, and less effective sensitive equipment.
CareLabs’ approach for analysing power quality is as follows:
Our highly skilled employees can advise you on how to overcome power quality concerns. If you properly examine and analyze your system, your power quality will be at its best. Please contact us if you want to learn more about our power quality analysis service.
