Technology in tune with the times

Milestones of condenser bushings at HSP

1913

First production of condenser bushings made of Pertinax® (impregnated paper) from the production of impregnated paper tubes

1950

220-kV oil-impregnated transformer bushing with direct connection to the transformer oil and indoor housing made of impregnated paper tube

1958

380-kV oil-impregnated transformer bushing with two-part outdoor porcelain housing

1960

Initial production of PX100® (RIP) bushing using resin-impregnated paper

1970

1200 kV oil-impregnated outdoor test bushing for continuous operation, installed rail transport capable

1972

Oil-impregnated HVDC bushing with outdoor oil for Cahora Bassa plant

1977

First 420kV RIP transformer GIS bushing for Reuter power plant in Berlin

1980

Launch of RIP bushings with silicone sheds directly vulcanized on, delivery of 145 kV outdoor GIS bushings

1987

First 420 kV GIS outdoor bushings, condenser bushing with silicone sheds

1989

500 kV HVDC OIP transformer and wall bushings for Gezhouba project in China

1997

First dry versions of 500 kV HVDC RIP transformer and wall bushings for Tian-Guang project in China with silicone composite housing

2007

Move to new factory

2008

1200 kV RIP test bushing, indoor/SF6

2009

First dry version of 800 kV HVDC RIP transformer and wall bushings for Project Yunnan-Guangdong in China

2012

First dry version of 1100 kV HVDC RIP transformer bushing

2013

First 800 kV RIP transformer bushing with heatpipe technology

2014

Initial production of bushings made of resin-impregnated synthetic

2017

Development and production of 1200 kV
DC (RIP) transformer bushings

References

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