What is neutral section in OHE?
Table of Contents
What is neutral section in OHE?
Neutral Sections are provided to isolate different phases of power supply in adjoining OHE fed by adjacent substations, which are normally connected to different phases of supply.
Why neutral section is necessary in AC traction?
Before entering neutral sections, electric locos often switch off power temporarily to the traction motors so as to prevent any transient disturbances and sparking. Because the neutral section is switched between AC and DC supply, it is also known as the dynamic neutral section or the switched neutral section.
How many sections are there in Indian Railways?
There are a total of 18 zones (including Metro Railway, Kolkata) and 70 Divisions on Indian Railway System. Each of the divisions is headed by a Divisional Railway Manager (DRM), who reports to the General Manager (GM) of the zone.
What is the purpose of neutral section in railway?
A neutral section is a discrete piece of equipment included within the overhead contact line (OCL) of an alternating current (AC) electrified railway. It provides the function of electrical separation between two power supply systems.
What type of motors are used in Indian Railways?
DC motors are used on trains is because of their high torque and good speed control. Compared to AC motors, DC motors can provide industry applications with a fine balance of strong starting torque and controllable speed for seamless yet precise performance.
What is the voltage of railway line?
Standardised voltages
| Electrification system | Voltage | |
|---|---|---|
| Min. non-permanent | Max. non-permanent | |
| 750 V DC | 500 V | 1,000 V |
| 1,500 V DC | 1,000 V | 1,950 V |
| 3 kV DC | 2 kV | 3.9 kV |
What is the sleeper ticket?
3 a railroad car with beds or special compartments for passengers to sleep in. The ticket includes the use of a bed in one of those cars (at a higher price).