Sediver High-Voltage Laboratory -Test Center of Bazet

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Zone Industrielle
Bazet, 65460

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Key Contact Personnel:
Guillaume Lansalot, Head of the Laboratory

Year Founded
HV Lab: 1954
Total Number of Employees: 9
Major Markets Served: Belgium, Brazil, Canada, Chile, Scotland, Spain, France, Malaysia, New Zealand, Russia, Sri Lanka, Tanzania, Thailand, USA, …

Accreditation of COFRAC for the tested equipment according to NF EN ISO / IEC 17025.


High Voltage Laboratory:

Number of Employees in High Voltage Laboratory: 9
Dimensions of Main Test Hall: 51 m length x 24.5 m width x 26 m height

Dielectric Testing Facilities:

Impulse Testing Max. Voltage or Current Standard or Remarks
Lightning Impulse 3500 kV In accordance with IEC, ANSI, BS, … standards and/or special customer’s requirements
Switching Impulse (Dry) 2400 kV
Switching Impulse (Wet) 2400 kV
A.C. Testing
Dry / Wet 1100 kV
Partial Discharge & RIV Testing: 750 kV
D.C. Testing:
Dry 350 kV
Standards Max. A.C. Voltage Max D.C. Voltage Temp. °C (from – To)
Salt Fog IEC 60507 250 kV 350 kV Ambient temp.
Steam Fog IEC 60507 250 kV 350 kV

Ageing Tests:
5000 h ageing test as per IEC 62730

Other Tests:

DC: ionic migration, thermal runaway, body resistance, whistand in SF6 test
Long duration vibration tests on complete strings: 2 Hz to 30 Hz, 60 kN per conductor, 6 conductors – 40 m span

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