Understanding Isolation Transformers: Function, Theory, and Applications

What is an Isolation Transformer? An isolation transformer is a type of transformer used to transfer electrical power from an alternating current (AC) power source to a device or circuit while isolating the powered device from the power source. This is achieved without direct electrical connection, providing safety and noise reduction benefits. How Does an […]


Importance of Busbar Supports in LV Switchgears Busbar supports play vital role in Low Voltage switchgears. Main idea is to hold and provide insulation to conductive busbars, which carry electrical currents inside the switchgear. These busbar supports secure the spacing between them and the proper alignment, avoiding any accidental contacts or minimizing the risk of […]

Harmonic Generation in Motor Drives

Harmonics play a significant role in the world of electrical power systems. They are integer multiples of the fundamental frequency and are responsible for shaping the quality of electrical waveforms. The fundamental frequency from the power grid is mostly 50Hz and 60Hz, also known as the ‘1st Harmonic.’ As we move up the harmonic series, […]

Effects of Harmonics for power factor correction Capacitor Banks

Do the harmonics in your distribution system is a potential threat for your capacitor bank?   Yes. When a capacitor bank is installed in a harmonic rich environment, they create a low impedance path and magnify the magnitude of current and voltage harmonics in a system resulting in parallel resonant effect. With this resonant phenomena, […]

Safeguarding Electrical Systems: Best Practices for Switchboard Earthing

Introduction Electrical switchboards serve as the nerve centers of power distribution in buildings, industries, and various facilities. The smooth operation of these vital systems hinges on their proper earthing. Earthing, or grounding, of electrical switchboards is a critical safety measure that must be meticulously implemented to prevent accidents, ensure equipment longevity, and maintain uninterrupted power […]

Current Transformer Fundamentals

Current Transformers (CTs) are commonly utilized for current monitoring purposes or for the conversion of primary current to reduced secondary current, which can be utilized by meters, relays, control equipment, and other instruments. CTs, which function as current transformers, reducing the magnitude of the measured current to a standardized value that is safely compatible with […]

Understanding and Mitigating Harmonics in Welding Processes

Introduction   Harmonics in welding processes refer to the presence of unwanted electrical frequencies that can negatively impact the welding operation. These harmonics are generated due to various factors within the welding equipment and power distribution systems. Understanding and managing harmonics in welding are crucial for ensuring weld quality, prolonging equipment life, and promoting a […]

What is transformer impedance?

A transformer’s primary and secondary windings have resistance and reactance, collectively referred to as impedance. The impedance opposes the flow of current when the transformer is connected to an AC power supply, causing a voltage drop across the windings.   When an AC voltage is applied to the primary winding, it generates a magnetic flux. […]

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