Overfeed Stoker and Underfeed Stoker - Definition and Types: There are two common methods used for burning coal. 1. Stoker firing 2. Pulverised fuel firing. The stoker firing method is…
Velox Boiler - Construction, Working Principle and Advantages: Velox Boiler - When the gas velocity exceeds the sound velocity, the heat is transferred from the gas at much higher rates…
Op Amp IC 741 Pin Diagram and its Working: The schematic diagram and Op Amp IC 741 Pin Diagram is shown in Fig. 33.4 (a) and in Fig. 33.4 (b).…
Transistor as a Switch Circuit Diagram and Working: The Transistor as a Switch Circuit Diagram and Working can be explained with the help of its output characteristics. Figure 31.2 shows…
Single Phase Full Bridge Inverter: The main drawback of half-bridge inverter is that it requires 3-wire dc supply. This difficulty can, however, be overcome by using a single phase full…
AC Regulator - Definition and Classification: An ac regulator converts a constant ac voltage into a variable ac voltage of the same frequency. No doubt, ac voltage level can be…
Step Down Chopper with RLE Load Working Principle: The choppers are widely employed for speed control of dc motors in industrial and traction drives. Figure 27.30 (a) shows the basic…
Step up Step down Chopper or Buck Boost Converter - Working Principle: A chopper can also be used for stepping up or down the supply voltage by varying its duty…