TRACK TECHNOLOGY
Generatingp wer
across the industry W
ith an unparalleled understanding of the rail-dynamic environment, HGI has provided bespoke sets for both stationary and vehicle-mounted applications and HGI sets now power half of the Network Rail Infrastructure Monitoring and Maintenance fleet.
In a busy 2011, two significant challenges welcomed and met by HGI were the provision of power on Chiltern Railways’ DVT modernisation and the creation of a highly- adaptable 40-60kVA module for use by Network Rail, primarily on the new snow and ice treatment trains.
The Chiltern project presented a unique series of challenges to incorporate a wide range of features intended to reduce reliance on the Class 67 locomotive that hauls the train and,
in the process, reduce both fuel usage and noise emissions. Now – when stationary – the loco can be shut down and the HGI generator provides the necessary electrical power and compressed air
supply to enable cleaning
and maintenance operations to be performed quietly and with minimum disturbance to the surrounding environment.
Designed and developed in close collaboration with the customer, the HGI generator delivers up to 250kWe of power at 850V DC via the vehicle ETS system whilst simultaneously maintaining the vehicle air system, allowing operation of the doors and other pneumatic systems independently of the locomotive and all at an overall noise level <69dB(A) at 1m (outside the vehicle).
When faced with the challenge of keeping the railway running through another severe winter, Network Rail once again chose HGI power for its series of winter treatment trains.
A derivative of an already-successful and in-service design, the chosen unit was refined to accommodate the immediate needs of four separate projects within a common platform and as such is now understood to have been adopted by the infrastructure monitoring fleet as the ‘standard’ set.
With power nodes from 40 to 60kVA from a common platform, the unit takes on a variety of roles mounted both inside vehicles and on open wagons where the corrosion-resistant 3CR12 enclosure comes into its own.
The machines are fully certified for structural compliance, EMC performance, lifting and safety and also fully integrate with existing vehicle safety systems.
All HGI rail-vehicle sets are also supplied complete with fully integrated and automatic fire detection and suppression systems which operate independently of any power source and require no human intervention.
More recent ventures include the provision of power for modular signalling systems provided in conjunction with SSL and Invensys Rail.
Using a derivative of the bigger HGI signalling support generators, small, transportable mobile sets are currently undergoing Network Rail’s product approval process for use with the new technology.
HGI machines provide power to the critical systems on over 97% of the Network Rail infrastructure monitoring and maintenance fleet, powering everything from track measurement and recording through to rail and ballast delivery.
Even after delivery, HGI power supports track maintenance – right down to the man on the track – with portable generators, audible warning devices and a range of equipment designed to keep trains moving.
With such a wide portfolio, there’s really no part of the industry that hasn’t been helped by HGI power: whether you’ve seen it or not, the chances are your rail journey will have been made possible in some way by an HGI generator!
Whatever your generator needs, from track maintenance through signalling support to integrated vehicle systems, HGI can meet your needs and will be pleased to discuss them.
www.HGIgenerators.com FOR MORE INFORMATION
rail technology magazine Apr/May 13 | 175
Jon Childs of HGI (Harrington Generators International) Ltd explains that the company has over 15 years’ experience in designing, manufacturing and installing power generators and associated equipment within the rail industry.
Configurations have been created with both local and remote control and also a synchronising version was deployed in 2012 providing 120kVA from a pair of 60kVA units.
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