Page 52 - GM booklet 2019 test

 Bi-Monthly Billing for Railway Quarters:
Electricity bill for the Quarters of Hyderabad Division is carried out Bi-Monthly with Spot
Billing machine (SBM)

Salient features of Spot Billing Machine (SBM):

 Aimed to improve the realization of bills.
 Reduction of meter defective cases.
 Frequent monitoring of energy theft aspects.
 Indirectly motivated the occupants to focus on energy
conversation.
 Necessary software modification in the Spot Billing Machines
(SBM) and billing Software used in Metering Section has been SBM
updated accordingly.

Use of Digital Thermal Imaging Camera for identification of Hotspots –
An innovation in maintenance practices from Preventive Maintenance to
Predictive Maintenance in the field of General Services (Electrical),
Hyderabad Division

 Thermography is a method of inspecting electrical and mechanical equipment by
obtaining heat distribution pictures. Thermal Imaging Camera is used for knowing
abnormal or high temperatures / hotspots which are not identified by naked eye.

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 A month long (10 June to 9 July-2019) special drive has been carried out on all
electrical installations over the division (at 325 locations) for identifying hotspots covering
all power supply main distribution boards & panels/Over Head line HT
structures/Transformers etc., to take predictive maintenance action against any untoward
fire incidents/accidents.

 Thermal Image observed at one of the locations is depicted below:

Thermal Image Thermal Image
Location Digital Image
(Before) (After)
Hotspots temperature
Rail
Nilayam

MCCB at
Power
Control
Panel of
Sub-
station Hot spot @ reduced to 38.6 °C by
temperature 122.8 °C proper tightening of
(SP1) terminal connections.

 In this case, R-phase lug fastening nut was found to be slightly loose.

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