City to launch SA’s first high voltage power transformer tester

VOLTAGE: City Power unveils new tester for power grids.

LONG periods in the darkness as a result of load-shedding could soon be a thing of the past. On Tuesday Johannesburg city’s mayor announced a new solution to repairing power transformers.

Mayor Herman Mashaba announced on social media that the city was launching South Africa’s first mobile on-site testing of high voltage power transformers.

This mobile testing unit set to run diagnostic tests on transformers efficiently, will provide quick on-site repairs, installations and quality conformation according to Mashaba.

He said the mobile on-site high voltage tests on transformers were increasingly considered a necessity due to the need for quick on-site repairs.

“The United States of America, Australia, China and European countries already use this technology. This type of testing will ensure that down-time is reduced as repairs will be done speedily, ensuring that residents do not spend long periods of time without electricity, especially during the upcoming cold winter months,” Mashaba explained.

At Tuesday’s launch Mashaba also said that the MMC for environmental and infrastructure services department, councilor Nico de Jager, and the director for engineering services at City Power, Mr Mdu Nzimande, would spearhead the testing unit, a first of its kind in South Africa.

He explained that the city purchased its electricity from Eskom at the Delta substation which distributed power to large power transformers which in turn sent supply to various substations.

“These power transformers are therefore critical assets in City Power’s electrical network as they ensure that residents receive a consistent supply of electricity,” he added.

Mashaba concluded that over the course of the past year, and to the inconvenience of many our residents, City Power had experienced numerous power-trips at one of these power transformers, and to ensure that extended outages in the grid did not occur, City Power needed to retest this power transformer with new technology.

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Gopolang Chawane

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