2009
|
Installation of new transient recorder measuring system |
2008
|
Acquisition of 3rd IPH on-site AC HV test system |
2007
|
New pressure-withstand proved testing cubicle for internal arcing tests
Extended testing capacities at LV test laboratory after commissioning of 2 new test bays providing short-circuit currents and network follow currents up to 100 kA |
2005
|
IPH high-current shunt becomes high-current normal in all STL test laboratories
Test of the longest 400-kV cable system worldwide in London using IPH on-site AC HV test systems |
2004
|
Acquisition of 2nd IPH on-site AC HV test system |
2003
|
Development of new generation of Rogowski measuring systems entwickelt
Extended DC testing capacity due to new diode rectifier |
2002
|
Commissioning of 400-kV network power supply as the most powerful network test laboratory in Europe
Commissioning of 8/20µs surge generator for tests on overvoltage arresters with currents up to 100 kA |
2001
|
Commissioning of new „VDE test bays“ for switchgear and installation and protection equipment at LV test laboratory and for PVC wires in the HV test laboratory |
2000
|
Commissioning of 400-kV overheal line |
1999
|
Commissioning of new HV test laboratory and of outdoor HV test installation equipped with 480-kV test transformer |
1998
|
1st test using IPH on-site AC HV test system on 400-kV cable system of BEWAG (Berlin utility) , new capacitor test installation at HP test laboratory, new long-term test bay at HV test laboratory |
1985/86
|
Network investigations within major electrical projects, use of modern transient recorder equipment |
1982
|
Start of consulting activities on international scale |
1980
|
Synthetic test installation extended, thermograph laboratory built |
1979
|
Start of network testing and special testing activities |
1975
|
Contact laboratory built |
1965
|
Synthetic test installation built, 2200-MVA power supply by generator |
1960
|
Commissioning of IPH test current supply by 220-kV overhead line, Commissioning of 20 test laboratories, 600-kV network power supply, 1200-MVA power supply by generator |
1957
|
Commissioning of IPH test current supply by 110-kV overhead line |
1956
|
1st IPH test vehicle, test laboratory snd 220-kV substation built, pilot network test bay |
.jpg "Rectifier Module for DC tests at present")
