Specific requirements for success of mobile substations
By C Vrey, Zest Energy
Electricity+Control, December 2015 (pages 14 – 15)
Enquiries: Kirsten Larkan. Tel. 011 723 6000 or email email@example.com
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Engineering a mobile substation is not a simple exercise. It requires a clear understanding from the electrical perspective and from the road ordinance viewpoint of the country in which the solution will be deployed. Since each country’s road ordinance specifications are different, mobile substations need to be designed in accordance with the relevant requirements of the country in which they are intended for use. The company which the author represents utilises trailer designs with proven industry technology to assist with manoeuvrability. It makes use of combination trailer configurations to better distribute the overall weight and to ensure that we do not exceed the axle weight limitations of the specific country.
The heart of the mobile substation is the trailer itself. This comprises a gooseneck, articulated steerable axle system, air suspension, ABS braking system, trailer stabilisation legs and fold away type access platforms, which allows safe access to the secondary plant. Essentially, a mobile substation should meet all or most of the attributes of a fixed substation, with the added benefit of mobility, which affords the customer the flexibility to move the unit to wherever it is needed.
- Mobile substations can be designed, built and deployed rapidly.
- A mobile substation can be built in a purpose-designed factory and then taken to site.
- Mobile substations must be purpose-designed for the specific application.