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Project: HV Testing and Site ServicesRead More
Houghton International provides a range of non-intrusive on-site tests, which can be used to help identify and diagnose early warning signs before they escalate, potentially resulting in total machine failure, unplanned downtime and excess costs.
We offer periodic offline testing and trending of the machine’s insulation systems to give an overall picture of winding insulation health. Static or offline testing is performed while the machine is not running and can be executed on site or in our electro mechanical repair facility.
We work with customers to agree the most effective schedule based on their needs and the associated risks. A complete diagnosis of the insulation system offered includes winding resistance, meg-ohm, polarization, step-voltage or high potential (Hi-Pot), and surge testing.
These tests can be carried out efficiently on site with minimal disruption and the results can then be analysed to make recommendations for future maintenance activity.
For higher voltage motors, 6kV and above, Partial Discharge testing can also be used to provide a wider picture of the machine health. High voltage equipment often suffers from Partial Discharge activity, where localised corona or breakdown discharge can damage insulation, leading to progressive degradation and eventual insulation breakdown. This type of issue would not be detected using standard diagnostic tests and it is possible for a motor to appear healthy whilst having high levels of Partial Discharge. Compared with other dielectric tests, the differentiating character of Partial Discharge measurements allows localised weak and aged points of the insulation to be identified.
Combining data with experience enables us to work in partnership with our customers to effectively manage and extend the life of their electro mechanical rotating machinery.
Get in touch with our team today to discuss how Houghton International can support your ongoing electric motor maintenance activities and reduce the risk of unplanned machine failures.
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