Power distribution systems depend on pad-mounted transformers which are a key component that is installed in residential or business areas that step down voltage to use within homes or businesses. Most often found in protecting a large pipe or conduit carrying electrical power, they tend to be housed in a protective metal enclosure and are placed on a concrete pad, which makes them an indispensable part of urban and suburban power infrastructure. When, however, you need to move a pad-mounted transformer, what do you do? Can this be done? So what process is that though?
What is a Pad-mounted Transformer?
The pad-mounted transformer is usually used to step down high voltage to the homes, businesses, industries, etc. in a power distribution network. It is generally placed on a concrete base or plinth and generally placed in residential areas, commercial complexes, or industrial sites. Such transformers are often cased in a metal housing to protect the internal components from the environment and placed in an area accessible for operation and maintenance. One of the chief benefits of pad-mounted transformers is their flexibility to be located in a space-saving manner, thus usually found in areas that are densely populated. While these transformers are usually housed in places near important infrastructure or people, one may wonder if they could be moved when needed.
Can you move a pad-mounted transformer?
The short answer is yes, but there are some things to think about. Turning off, moving, and replacing a power transformer at a pad location needs planning, it requires sticking to safety protocols and requires the right expertise. Relocating the transformer is not as easy as picking up the transformer and moving it.
Key Considerations for Moving a Pedestal-Mounted Transformer
But, when talking about the benchtop transformer, safety is the most important consideration. They are the transformers that stand between us and high-voltage electricity, mistakes or mishandling during this relocation could cause serious injuries, electrical failure, or damage to surrounding infrastructure. It is critical to follow strict safety protocols, such as:
De-energizing: The transformer’s power must be turned off before the transformer is moved. Thus, the process is done in such a way that there is no running current in the system.
Inspection: Before and after the oven, the transformer needs an inspection to find out that no components are in any damage and that the move will not affect its functionality or safety.
Benchtop transformer relocation takes skills and expertise. It is not a job for general contractors or DIY people. The relocation process is only possible by a professional – that is, an electrical engineer, licensed electrician, or a transformer technician certified to do so. These experts will:
Make sure that the transformer is disconnected from the grid.
Using appropriate tools and equipment safely lift and transport the equipment.
Reconnect the transformer to the grid and reinstall it new location.
It usually takes heavy equipment to move a benchtop transformer. This includes:
Transporter of the transformer; either a crane or forklift.
A transport vehicle that can safely transport the transformer to a new location.
Insulating gloves, protective clothing, and safety barriers are both safety equipment and contribute to site safety.
It is also important to ensure that the transformer is safely stocked as it relocates and can’t be damaged accidentally amidst transport.
The site on which the transformer will be moved must be adequately prepared before moving it. The transformer should be located in a new place with a good, solid-level foundation (such as a concrete pad) capable of supporting the weight of the transformer. To complete the pad, the pad must meet the required electrical standards allowing in time future maintenance and clearance.
Moving Pad-Mounted Transformer Steps
The transformer must be disconnected from the grid in the first place. Usually, the power company does this by seeing to it that any transformer work is done safely out of service first.
Once de-energized the transformer should very thoroughly be inspected for integrity as there may have been issues with the transformer that were already present. Before moving the equipment any leaks, electrical faults or mechanical issues must be addressed.
The transformer, which uses heavy lifting equipment, is lifted carefully from the concrete pad. This phase of the move is typically done by a crane or forklift.
As soon as the transformer is raised, it is moved to another location by a transport vehicle. Transportation of the transformer should be planned to take special care to ensure that it is secured so it will not collide or be damaged.
The transformer is eased into the pad at the new location (the pad is prepared). The setup process on installation is the same as the original, to avoid missing any connections.
After the transformer is in position, the system is tested again to make sure it is working, the transformer is secured back in place and the grid is reconnected.
Can you move a pad-mounted transformer?
You can remove a pedestal transformer from under the pedestal, but it is a complicated and well-designed procedure for which you need experience and special gear. First and foremost, safety is the most crucial aspect, so it should make sure that the relocation follows industry standards and regulations. If you are moving a transformer for construction, maintenance, or other reasons, with a certified professional you can be sure that the job will be done safely and expediently.
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