Protection Relay

What is Protection Relay? A relay is nothing but a sensor, which senses an abnormal condition of an electrical circuit and closes its contacts. These contacts in turns close and complete the circuit breaker trip coil circuit which trips the circuit breaker by isolating the faulty portion of the electrical system from the healthy portion. […]

Boiler Drum & Auxilariers

Boiler Drum is a very crucial part in case of Sub-critical boilers. It is cylindrical in shape and situated at the top of the boiler. In Super-critical units, water is directly converted into steam so drum is not required, but in case of subcritical boilers, the whole water quantity is not directly converted into steam. […]

Oxygen Analyzer in Boiler

Large thermal power plants generate electricity by using the thermal energy of fuel. Most of the power plants are pulverized coal fired boiler that means thermal energy is generated by the combustion of pulverized (crushed) coal.In order to control the combustion process,every power plant has their Burner Management System/FSSS(Furnace Safeguard Supervisory System) system,but Optimum efficiency is […]