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BEST HARMONIC ANALYSIS SERVICES IN INDIA

Many power distribution agencies in India have shifted to kVAh billing in order to maintain stringent standards for reactive drawals from the grid and to ensure adequate Power Factor (PF) correction at the load level. This necessitates the consumer to install capacitors at the load end in order to maintain a Power Factor of One. Consumers still experience Low Power factors owing to capacitor failure even after installing a capacitor bank at their end. Harmonics is one of the most frequent causes of capacitor failure(HARMONIC ANALYSIS SERVICES).

 Harmonics impacts not only the electrical equipment installed in consumers’ homes but also the utility. This study is an attempt by a power distribution utility to mitigate harmonics using an Exception strategy, resulting in a win-win outcome for all parties involved.

Annotation and Meaning of harmonic analysis :

A harmonic in an electric power system is a voltage or current that is a multiple of the system’s fundamental frequency. The shape or properties of a voltage or current waveform in relation to its fundamental frequency are known as harmonics. Harmonics are seen in waveforms that depart from a sine wave shape.

Harmonic frequencies in the electrical grid are a common source of power quality issues, causing increased heating in equipment and conductors, variable speed drive misfiring, and motor torque pulsations.

Causes of Harmonics Distortions :

Depending on how they take electricity from the mains power supply waveform, AC electrical loads are classified as linear or nonlinear. The relationship between the voltage and current waveforms is sinusoidal with a linear load, and the current is proportional to the voltage at all times; this is known as Ohm’s law. Transformers, motors, and capacitors are examples of linear loads.

Currents are drawn in abrupt brief pulses by non-linear loads. These pulses cause current waveforms to be distorted, resulting in harmonics that can cause power difficulties for both the distribution system equipment and the loads connected to it. Rectifiers, variable-speed drives, and electronic equipment such as computers, printers, TVs, servers, and telecom systems that utilize switched-mode power supply (SMPS) power conversion technologies are examples of non-linear loads.

Consequences of Harmonics Analysis :

When harmonic distortion enters a power system, its capacity to function at peak levels is harmed. Due to the growing demand for power, harmonics cause inefficiencies in equipment operations. Higher installation and utility costs, overheating, and decreased profitability result from the rise in overall current required.

Methods to reduce Harmonic distortion :

  1. Attempting to minimize the load’s harmonic currents. The use of a line reactor or transformer in series reduces harmonics while also providing transient protection.
  2. Adding filters to either suck harmonic currents out of the system, preventing them from entering in the first place, or to locally supply harmonic currents.
  3. Using filters, inductors, or capacitors to alter the system’s frequency response. Electronically delivering the harmonic component of the current into a non-linear load is how active filters work.
  4. Providing transformer connections in three-phase systems to decrease harmonic currents.
  5. Increasing the size of the capacitor. For both utilities and industrial users, this is frequently one of the most cost-effective solutions.

Types of Harmonics in Electrical systems :

Current harmonics :

Current waveform distortion can be complicated depending on the load and how it interacts with other system components. Regardless of how complicated the current waveform becomes, the Fourier series transform allows it to be deconstructed into a succession of basic sinusoids that begin at the power system’s fundamental frequency and occur at integer multiples of the fundamental frequency.  In power systems, harmonics are positive integer multiples of the fundamental frequency

The current in a traditional alternating current power system varies sinusoidally at a set frequency, which is typically 50 or 60 hertz. When a linear time-invariant electrical load is connected to the system, a sinusoidal current with the same frequency as the voltage is drawn (though usually not in phase with the voltage).

Voltage Harmonics :

Harmonics in current are the most common cause of voltage harmonics. Current harmonics alter the voltage provided by the voltage source due to the source impedance. If the source impedance of the voltage source is low, current harmonics will result in relatively few voltage harmonics. In comparison to current harmonics, voltage harmonics are minor. As a result, it’s typical to estimate it using the voltage waveform’s basic frequency.

Purpose of doing Harmonic analysis services :

When harmonic distortion enters a power system, its capacity to function at peak levels is jeopardized. Inefficient equipment operation results from increased power demand. Increased overall current requirements result in higher installation and utility costs, as well as increased heating and lower profitability. Harmonic distortion in a power system’s current and voltage can put undue strain on your installation and lead to performance issues in critical system components.

Harmonic analysis services provide in-depth analytical investigations required for compliance and increased power system reliability. Multiple Power Analyzers are used in these studies to check distortion at various levels at the same timestamp.

Best Harmonic Analysis services providers in India :

  • SAS powertech power optimization solutions
  • Limbaja energy pvt ltd
  • Elion technologies and consulting pvt ltd
  • Sabs india sales corporation
  • AB power system solutions

SAS powertech is considered as one of the most prestigious , trustworthy

And up to the mark of the company in the sector of electrical services supply.

In the process of harmonic analysis SAS powertech plays a vital role in resolving

Major issues related to the harmonic current and voltage harmonic .

Benefits of using SAS powertech’s harmonic analysis service :

  1. The efficiency of the system has improved.
  2. The amplitude and frequency of power changes should be decreased.
  3. Provide a solution to the power quality issues.
  4. Harmonics prevention measures
  5. Minimize the danger of electrical equipment failure and the liability that comes with it.
  6. Prevents overloading and damage of the line

For over a decade, SASPPL has provided Harmonic Analysis services to clients in India and Southeast Asia. We’re known for being forthright with our findings and offering fair and balanced reporting. Because Harmonic Analysis services and solutions are the most cost-effective and have helped clients achieve their objectives, we suggest them.

Conclusion :

As we discussed in the above information , we obviously got the idea of how many issues one can face regarding harmonic currents and voltages . We also discussed the various components of harmonic analysis including the causes , consequences , methods to resolve , types of harmonics, and the purpose  of harmonic analysis .

All these various issues and problems can be efficiently resolved by experience and guidance of the SAS powertech pvt ltd , which is also considered as one among the best electrical services providers  in India .

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