Why is double earthing necessary for 3-phase machines and equipment?
Why Earthing Important? The main purpose of the earthing of electrical equipment is to avoid the danger of getting electric shock. The proper earthing also … Read more
Power System
What is the Required Capacitor KVAR for 50 HP Motor?
The motor draws inductive current when a 50 HP induction motor is run by feeding a three-phase AC supply. At the no-load running of the … Read more
Difference between Harmonics and Sub-Harmonics
Harmonics is generated when the equipment draws current which is non linear to the applied voltage. The elctronic devices are the non linear devices … Read more
Interharmonics in Power System
Power electronics are widely used nowadays to improve system efficiency, flexibility, and reliability. The semiconductor devices used in power electronics are nonlinear devices, and the … Read more
Effects of Harmonics on Transformers
The transformer does not generate harmonics. The transformer has primary and secondary windings, which are inductive. The inductive load draws current linearly with the applied … Read more
What are Triplen Harmonics and where do they happen?
Triplen harmonics are the odd multiples of third harmonics. The triplen harmonics orders are 3,9,15,21,. The triplen harmonic frequency is 150Hz,450 Hz,,750Hz etc. What are … Read more
Harmonics and Harmonic Frequency in AC Circuits
Harmonics refers to the additional frequencies that are generated alongside the fundamental frequency of a waveform. These frequencies are typically unwanted and can cause distortion … Read more
Effects of Harmonics on Capacitors | Interaction of Harmonics with Capacitors
The adverse Effects of Harmonics on Capacitors comprise series and parallel resonance, heating, overloading, and increased dielectric loss. The harmonics also cause a severe problem of … Read more
Effects of Harmonics on Power Cables
Power cables carry power from the supply source to the load point. They have DC resistance, which depends on their size. When current flows through … Read more
Semiconductor Fuses and their Application
Semiconductor fuses are used for short circuit protection of semiconductor devices like Silicon Control rectifiers (SCRs), Insulated Gate Bipolar Devices(IGBTs), diodes, triacs, thyristors, and similar … Read more
