Model 81-553/554/555

Description

Metro cars are designed for passengers’ transportation on underground lines with capability of short-term surface emergence. The cars are made in 3 types:

• head (H) with control cabin, asynchronous traction drive, screw compressor, and rechargeable battery;

• intermediate (I), with  asynchronous traction drive and rechargeable battery;

• trailer (T), equipped with electro-pneumatic brake only.  

4-car train is made up in the following order: H-I-T-H. The car number in a train may be increased up to 6 and 8, if using the inclusion of intermediate and trailer cars in a train.

Head car technical characteristics
Parameters, State Standard (GOST) 23961	«М»
Car container, mass, t, not more than	34,0
Length over coupler pulling faces, mm	19850
Height, floor level, above rail head under container, mm	1208
Height, from rail head level, mm, not more than	3700
Width, door aperture, sliding doors opened, mm	1208
Sitting places number, pcs	40
Passenger rated capacity, not less than	161
Pantograph voltage, v	750
Traction motors total power, kW, not less than	680
Constructive speed km/hr, not less than	90
Train acceleration time up to 80 km/hr, sec, not more than	40
Average acceleration at average load  88200 Н (9 ton-force) on horizontal rout section, from traction motors  switch-on up to reaching an automatic characteristic of total field, m/sec2 , not less than	1,2
Average deacceleration on horizontal rout section at average load 88200 Н (9 ton-force) under electrical braking at 90km/hr speed, m/sec 2 , not less than	1,0

 

Key advantages of this train, as compared to serial trains with AC traction drive, are as follows:

• Less coupling weight, i.e. the train is arranged from three powered and one unpowered car; 

• Asynchronous traction motors are now in use with lesser mass-parameter characteristics, more reliable and simple in operation, than direct current motors;

• Traction electric drive is made on a modern elemental base and enables better energetic and dynamic characteristics: higher efficiency, operation speed, more smooth acceleration and deacceleration;

• In breaking service there is provided a possibility of energy recuperation into power supply;

• The car has a microprocessor control unit and minimal quantity of contact elements - these efficiently improve the reliability of equipment operation;

• The car has an integrated system for equipment diagnosis which enables locoman and maintenance staff to carry out prompt monitoring of all elements;

• The cars have a modern fire alarm system and automatic firefighting system for separate inflammable parts;

• On train there are installed two compressors with improved compressed air purification and drying system;

• Complex system set in use for registration of driving modes, applied by locoman, and operation of train equipment, as well as for keeping appropriate data and subsequent analyses at electro depot on automation-equipped working place;

• The locoman’s cabin is provided with air conditioner;  

• In car saloons there are installed anti-vandal seats;

• The locoman’s cabin is made in compliance with modern ergonomic requirements; 

• The cars have modern original interior;

• More reliable radio communications system «Tetra»; 

• New (for subway trains) video surveillance system is installed, designed for passenger platform traffic monitoring;

• Complex digital information and talk-back system is installed.