SuperGrid Institute HV Lab

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SuperGrid Institute, 23 Rue de Cyprian
Villeurbanne, 69100

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Key Contact Personnel:
Head of Dielectric

Year Founded:
HV Lab: 2017
Total Number of Employees: approx 140
Major Markets Served: Europe


High Voltage Laboratory:

Number of Employees in High Voltage Laboratory: 5
Dimensions of Main Test Hall: 37 m length x 17 m width x 15 m height
Dielectric Testing Facilities

Impulse Testing: Max. Volt./Current
Lightning Impulse 1970kV
A.C. Testing:
Dry/Wet 580 kV (450mA permanent; 1A for 4hours)
Partial Discharge & RIV Testing: 0,3pC background noise
D.C. Testing:
Dry Up to 1200kVDC

Ageing Tests:

Outdoor/indoor test field; 700kVAC (80 mA permanent); 800kVDC (5 mA permanent) Type tests for HVDC cable systems, Investigation tests with leakage current and space charge measurement capabilities.

HV Cable Testing

Max. Volt./Current
Load Cycling Up to 5kA, 40 kVA
AC Voltage Up to 580kVAC
DC Voltage 1200kVDC, 20 mA; TB496 for cable
Lightning Impulse

1970 kV LI, 200 kJ; IEC 60060-1, specific transient applications upon request

Switching Impulse

1400kV SI, 200 kJ; IEC 60060-1

Let Loop Length (m)

60m or more, depending on cable voltage class