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TRACTION DISTRIBUTION OVERVIEW OF CHAKRADHARPUR DIVISION Introduction of 25 kV AC traction over Indian railways: Chakradharpur division of South Eastern Railways has got the distinction for first introduction of 25 KV electric traction in Indian Railways. It was decided to inaugurate 25 kV AC traction over Indian Railways on 15th December1959 on the occasion of the meeting in Delhi of International Association of Railway Congress Permanent Commission (AICCF). A transformer and a circuit breaker taken on loan from SNCF were commissioned within 10 days at the site near Kendposi ,OHE was energised on 25kV AC from Kendposi to Rajkharswanand the pantograph of Loco no. 20250 was raised at Kendposi on 12th December 1959. (Fig.1). On 15th December 1959, the official inauguration ceremony took place in presence of AICCF officials when steam special train and electric loco ran parallel on the 3 km double track between the feedingpost site to Kendposi station. The entire Rajkharsawan - Dangoaposi section was officially inagurated for electric traction on 11th August 1960. The maintenance was started with one OHE maintenance depot at Chaibasa and the maintenance was carried out by motor trolley and with ladder with a limited OHE staff. Later on TATA-Jharsuguda main line and NXN-BNDM-BXF-KRBU branch line sections were electrified.
1st Loco 20250 ready to raise its pantograph Commissioning of Transformer and (Fig. 1)Circuit breaker at Kendposi (Fig. 2) The chronology of electrification over Chakradharpur Division is as given below:
With the above electrification of doubling, 3rd line, 4th line and various sidings the electrified Kilometer of Chakradharpur division is become 2350 TKM as on 31stmarch 2021. Initial power supply installations and the current scenario:
Remote control system: The initial strowger type remote control system has been replaced with PC based SCADA system. The number of RTUs hooked to the system are about 80. Maintenance organisation: The division has Twelve OHE depots, Three PSI depots, One RCC, One TPC and One Repair depot. 19 tower wagons are utilized for the OHE maintenance work as well as construction and replacement works. Organization structure and Manpower position: TRD department is being headed by Sr.DEE/TRD and being assisted by one DEE/TRD and four ADEE/TRDs. The total manpower on roll is 606 and sanction strength is 631. No other activity other than AMC of SCADA is outsourced. All India TRD Centralised training center: TRD training school at Chakradharpur. Model room at TRD training school.
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