Indian Railway

Three phase power supply is used in electric locomotive because of various advantages over other locomotive systems. Some of the advantages of three phase locomotive over DC locomotive are as follows : Three phase locomotive uses three phase traction motors which are robust and requires little maintenance. These motors are less sensitive to dust, vibration … Read more

Circuit Breaker and Earthing Switch Question Q. Explain the purpose of equipment’s in AC locomotive breaker and earthing switch. Answer Circuit breakers are the main electrical components use for the protection of the track power circuit from any type of faults. The circuit breakers used in the traction Power circuit are of various types. It … Read more

Classification of EMU An Electric Multiple Unit (EMU) is nothing but a multiple unit train which consists of self – propelled carriages and uses electricity as the motive power. It requires no separate locomotive , as electric traction motors are included within one or more numbers of the carriages. Most of these EMUs are used … Read more

Classification of Locomotives In India, there are different ways of classifying the locomotives. Based on various factors locomotives are classified. Locomotives are classified according to their track gauge, motive power, the work they are suited for and their power of model number. This is indicated by the class name which provides the information about the … Read more

Train Colour Light Signals A new state of art signaling systems which will allow more frequent passage of trains on the existing tracks o being progressively installed as the part of the electrification project. Electric light lamps made it possible to produce colour light signals which are bright enough to be seen not only in … Read more

Types of Signals There are various types of signals used for traction systems. They are described as follows: Fixed Signals: These signals are installed permanently. They are normally fixed at the track side. Hand Signals: These signals are used when fixed signals are not working due to certain reasons. Detonating Signals: These signals are used in … Read more

What is Railway Train Signaling Signaling is very important parameter in traction system. To achieve the proper coordination amongst the electric locomotive signals are must. To run the locomotive faster and to handle the large volume of traffic in given time with proper arrangement signaling plays very important role. Basically, signals are the devices which are … Read more