Power Converters Interview Questions and Answers: 1. What is freewheeling diode? Ans. Freewheeling diode is a bypass or commutating diode. It is connected across motor terminals to allow for dissipation of…
Biogas Power Plant Working, Site Selection and Application: Introduction - Biogas is a combustible gas mixture of methane, carbon dioxide, water and hydrogen sulphide produced during the anaerobic decomposition of…
Pumped Storage Power Plant - Operating Modes and Types: Introduction - Pumped Storage Power Plant are generally used for peak loads. An interconnected system of pumped storage plants are more suitable,…
Oil Pressure Governor and its Working Principle: The primary purpose of a governor for a hydro electric unit is to control the speed and loading of the unit. It is…
Fuel Handling System and Ash Handling System: Handling of coal: The coal handling is divided into two types: Out-plant handling. In-plant handling. 1. Out-plant handling: This handling includes the handling…
Three Phase Cycloconverter - Types, Working and Applications: A cycloconverter converts ac at one frequency to an ac of another frequency. Cycloconverters can be classified as single-phase to single-phase, three-phase…
What is a Power Converter? Solid-state power converter are employed for obtaining the appropriate form of electrical energy such as direct current or adjustable-frequency alternating current (required to operate most…
Light Activated SCR (LASCR) - Symbol, Construction and Operation: Light activated SCR is just an ordinary SCR except that it can also be light triggered. Most LASCRs also have a…