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MAINTENANCE


Role:

Electrical Maintenance organization is one of the branch in Guntakal Division entrusted with Maintenance of all Electrical Equipments working on voltage up to 11,000 Volts.


This Department is responsible for Maintenance of the following power supply installations at
141 Electrified Stations and Train lighting & Air conditioning depots over the division.

  • 6615 Electrified Staff Quarters.
  • 37 Nos. of 11KV/440 V Sub-stations.
  • 267 Pumping Installations.
  • 68 AC Coaches and 499 Non AC Coaches.
  • Un-interrupted power supply at 112 PRS / UTS locations.
  • Fans & Lighting arrangements at all stations, Staff quarters, service buildings and pump houses.

Organization:

Electrical General services is headed by Senior Divisional Electrical Engineer (Maintenance) and assisted by Assistant Divisional Electrical Engineer (Maintenance) looking after Train Lighting, Air Conditioning and Power Maintenance.




For maintenance of Coaches, Main depots are located at Tirupati and Guntakal.


There are 09 Main depots located at
Guntakal, Raichur, Gooty, Kadapa, Nandalur, Renigunta, Tirupati, Pakala, Dharmavaram & Dhone to look after maintenance of power equipments / installations at 141 stations over the division.


Achievements:

National Energy Conservation Award 2012 was received by Chief Electrical Engineer, Secunderabad from Hon’ble President of India in Hospital Sector for the conservation measures adopted in Divisional Railway Hospital, Guntakal


Passenger Lifts:

03 Nos. of passenger lifts were provided at Tirupati for the convenience of passengers.

03 Nos. of passenger lifts were provided at Guntakal for the convenience of passengers







  • Centralized Air cooling system:

    02 Nos. of 35000 CFM capacity Centralized air cooling plant at Tirupati in concourse area have been commissioned to provide passengers comfort. And 3 Nos. of 12,500 cfm capacity Air cooling arrangements have been provided in Running room at Tirupati







  • Chilled water coolers:

    Chilled water coolers of 1200 LPH capacity have been provided at 12 major stations viz., Tirupati, Renigunta, Anantapur, Dharmavaram, Guntakal, Chittoor, Yadgir, Adoni, Mantralayam Road, Raichur, Cuddapah & Dhone stations





    High Mast Lighting:

    ·16 Mtr. long High Mast tower lights were provided in the circulating areas at Tirupati, Renigunta, Sri Kalahasti, Kodur, Venkatagiri, Anantapur, Dharmavaram, Kadiri, Gooty, Guntakal, Chittoor, Pakala, Yadgir, Adoni, Mantralayam Road, Raichur, Cuddapah, Dhone stations.

    ·16 Mtr. long High Mast tower lights were provided in the loading / unloading area at Tadipatri, Hagari, Bethamcherla stations.





  • Mobile charging points:

    At all A1, A, B & D category stations Laptop / Mobile charging points provided at important locations viz., Waiting halls, Platforms, Retiring rooms, Concourse areas etc.



  • Mobile charging points:

    At all A1, A, B & D category stations Laptop / Mobile charging points provided at important locations viz., Waiting halls, Platforms, Retiring rooms, Concourse areas etc.




    Energy Conservation:

     

    Solar Geyers:

    Solar geysers have been provided at 09 stations for hot water provision & to conserve energy at the following locations:

     

    Retiring rooms:Guntakal, Anantapur, Cuddapah, Renigunta, Tirupati

    Running rooms:Guntakal, Raichur, Dhone, Dharmavaram, Nandalur, Renigunta, Tirupati

    TTE’s rest house:Guntakal, Dharmavaram, Renigunta

    Officers rest house:Tirupati

    Holiday Home:Tirupati

    RPF barracks:Guntakal

    Training school:Guntakal




    LED based lighting in General Service applications have been provided intensively too.
















     

    CDM project:

    Under Clean Development Machinery (CDM project) 16431 Nos. of CFLs have been distributed among staff residing in Rly. Qtrs. at all stations to bring awareness for usage of energy efficient fittings and as a measure to conserve electrical energy.

     
    Energy efficient pumps:

    25 Nos. Energy efficient pumps have been commissioned in place of old and inefficient pumps over the division during the year to conserve energy.

     

    Star rated electrical equipments:

    1131 Nos. of Star rated electrical equipments of 3 Star rated and above were provided such as AC plants, Geysers, Pumps, Ceiling fans etc., in waiting halls, retiring rooms, service buildings etc., where consumption is normally on higher side.








     

    Replacement of conventional type items with energy efficient items during the year.

    Fan regulator with electronic fan regulators

    1224 Nos.

    KWH meters with electronic ones

    206 Nos.

    T12 FTL fittings with T5 fittings 25734

    801 Nos.

    Fans with energy efficient fans

    190 Nos.



    Innovations:

     

    Automation of pumps:

    Automation of pumps with GPRS Technology at 3/3 pump house at Pakala have been provided to save man power and saving of energy.







    Platform lighting automation with signal interlocking:

    30% & 70% Platform lighting automation with Signal interlocking has been commissioned at Raichur, Guntakal, Gooty, Cuddapah, Rajampeta, Anantapur, Dharmavaram, Renigunta, Tirupati & Dhone stations (10 stations). This will save man power as well energy.











    Electronic over current relays:

    Provision of 50 Nos. electronic over current relays in pumping installations to reduce pump failure.




    Improvements:
     

    Eddy Dyno Drive: 75 HP VVVF drive has been commissioned at IOH shed TPTY for ensuring generation of 25 KW alternator and load sharing of alternators in AC coaches.





    Existing Eddy current Dyno drive Modified Eddy Dyno drive


    VVVF Drive: 10 HP VVVF Drive for testing of 4.5 KW Alternator has been commissioned at Tirupati.





    Electronic Time Delay Relay:

    36 Nos. of Electro pneumatic Time Delay Relays in 18 AC coaches were replaced with SELEC Make Electronic TDR in RMPU’s.



    Pre-cooling points:

    40 Nos. of pre-cooling points provided at TPTY PF No.1, 2 & 3, 4 & 5 and sick line to facilitate
    pre-cooling of AC coaches to provide comfort at originating stations.




    Battery chargers:

    06 Nos. of 200 Amps capacity Battery Chargers have been installed & Commissioned in all
    Non-AC Coaches at Tirupati to ensure proper working of Lights & Fans in coaches.




    Energy Auditing:

    At 5 major locations Energy auditing has been done for load centers, Sub-stations, pumping installations, station lighting over the division.


    Man Power:

     

    Category

    Sanction

    On Roll

    Vacancy

    Power lighting wing

    327

    318

    09

    Train lighting wing

    158

    151

    07

    Air Conditioning wing

    123

    115

    08

    Supervisors

    22

    18

    04

    Ministerial & General staff

    37

    32

    05

    Total

    667

    634

    33


    Energy Consumption Pattern of Division:




    Major assets maintaining by the GTL Divn.

     

    Power Maintenance:

     

    No. of HT Services                     :26

    No. of HT Sub-stations               :37

    No. of Power Transformers         :74 (ranging from 70 – 500 KVA)

    No. of LT Services                     :440

    No. of DG sets                          :60 (16 at stations)

    No. of Pumps                            :310

    No. of Water Coolers:130

    No. of stations with water coolers:26

    No. of AC plants                        :387

    No. of Lifts                                :04 (TPTY – 03;GTL Hospital – 01)

    GTL – 03 in progress

    UG Power line crossings:221

    OH Power line crossings:194

    No. of Manned LC Gates            :246

    No. of Manned LC gates Electrified:246

    No. of LC gates with Solar          :44

    Carriage Watering stations: Renigunta, Mantralayam & Kondapuram

    Avg. monthly consumption         :2.175 million units

    Supply availed from:AP DISCOMS, TNSEB, GESCOM

    Train Lighting & Air Conditioning:

    Primary maintenance of 495 TL coaches and 64 AC coaches are under taken at Tiruapti and Guntakal depots.

    Performance of AC coaches

     

    S. No.

    Equipment failed

    Total population

    Total Failure

    2010-11

    2010-11

    Upto Dec’10

    2011-12

    Upto Dec’11

    FRPCPY

    1

    V Belts

    128 sets

    56

    44

    21

    16.4%

    2

    Alternator 25 KW/ 18KW

    128 No.

    11

    05

    08

    6.2%

    3

    Cells 1100/ 800 AH

    3584 No.

    07

    05

    04

    0.11%

    4

    RMPU’s

    128 No.

    18

    16

    23

    17.9%

    5

    Inverters 25KVA

    128 No.

    04

    02

    05

    3.9%

    6

    RRU/ ERRU

    128 No.

    01

    01

    01

    0.78%

     

    Total

     

    97

    73

    62

     

     

     

    Performance of TL coaches

     

    Sl. No.

    Equipment failed

    Total population

    Total Failure

    2010-11

    2010-11

    Upto Dec ’10

    2011-12

    Upto Dec’11

    FRPCPY

    1

    V Belts

    495 Sets

    63

    59

    47

    9.4%

    2

    Alternator 4.5 KW

    495 No.

    12

    09

    07

    1.4%

    3

    Cells 120 AH

    8910 No.

    36

    31

    47

    0.52%

    4

    RRU/ ERRU

    495 No.

    14

    12

    19

    3.8%

     

    Total

     

    125

    111

    120

     

     


     ELECTRICAL QUESTION BANK

     




Source : South Central Railway CMS Team Last Reviewed on: 17-07-2017  


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