What are the different types of catenary system?
TYPES OF OVERHEAD CATENARY SYSTEM 1. Simple Catenary 2. Compound Catenary 3. Stitched Catenary 4.
What is stitched catenary construction?
Stitched /modified Y simple Catenary In this catenary the contact wire is suspended by one or more dropper from the short and continuous auxiliary wire. Stitched catenary construction is used for the speed range of about 140-160 kmph.
What is the difference between the catenary and contact wire?
Catenary wires are used to hold the contact wire in a straight line. Contact wires are used to transmit power to a pantograph of a locomotive. Part of OHE line which is used for interconnections.
What are the single and compound catenary construction?
Single catenary construction is considered suitable for most light weight ac systems and for branch and loop lines and secondary routes where traffic density is low and operating speeds are low. The compound catenary construction is employed for heavy current i.e., where traffic density is high.
What are the types of overhead cables?
Overhead Line & Transmission Cables
- AAC All Aluminum Conductor. Learn More.
- ACSR Aluminum Conductor Steel Reinforced. Learn More.
- AAAC Bare Aluminum. Learn More.
- Duplex Service Drop Cable. Learn More.
- Triplex Service Drop Cable. Learn More.
- Quadruplex Service Drop Cable. Learn More.
What are the different types of supplies used in electrical traction?
The three main types of electric traction systems that exist are as follows:
- Direct Current (DC) electrification system.
- Alternating Current (AC) electrification system.
- Composite system.
Where is stitched catenary used in construction?
Electric sub-stations and cabins: for power conversion and/or transformation; Lighting and drive power systems: in railway stations and stops, tunnels, pavements, metros.
What is the material used for catenary and what is the purpose of catenary?
In our world, a catenary is a system of overhead wires used to supply electricity to a locomotive, streetcar, or light rail vehicle which is equipped with a pantograph. The pantagraph presses against the underside of the lowest overhead wire, the contact wire.
What is catenary wire used for?
A catenary wire, or a catenary system, is used in today’s modern running of electrically wired public transportation such as in trains. The purpose of implementing this system when constructing new train stations and lines or adding new trains or trams to an existing line is to provide power.
What are 4 types of conductors?
There are four types of conductors, namely, good conductors, semiconductors, resistors and non-conductors. Non-conductors are also termed as insulators.
What is a catenary system in engineering?
System engineering – catenary. Catenaries are the counter-contact to the current collec- tor. They must satisfy electrical as well as mechanical re – quirements. Fundamental mechanical and electrical pa- rameters are considered in the development of catenary systems and their components.
What type of catenary is used in tramways?
MASS TRANSIT CATENARIES – TracFeed®ALU1000 AND TracFeed®GFK1000 These catenaries have been designed for DC-operated tramways, urban and suburban rail systems with nominal voltages between 600 V and 1500 V. They satisfy the requirements specified in the European standards for catenary systems.
What is the best catenary system for long distance?
CATENARY SYSTEMS – TracFeed® ALU2000 The TracFeed® ALU2000 catenary system has proven itself over many years of implementation on long-distance rail routes. Due to its standardised parts and components, which for the most part are made of aluminium, it is considered to be reliable, low-maintenance and maintenance-friendly.
What type of catenary is the alu1000 used for?
8 MASS TRANSIT CATENARIES – TracFeed®ALU1000 AND TracFeed®GFK1000 These catenaries have been designed for DC-operated tramways, urban and suburban rail systems with nominal voltages between 600 V and 1500 V. They satisfy the requirements specified in the European standards for catenary systems.