DNV GL China

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Customer Cases from DNV GL

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HL71 KMI Wire and Cable

150 kV 2000 mm² power cable

Full power cable type test

 
Energy
Cabelte, Portugal

220 kV cable system

Type tests

 
Laboratories
HL67 Phelps Dodge International

230 kV cable system of 1 x 2500 mm²

Prequalification test

 
Laboratories
Chalfont Laboratory

245 kV SPV disconnector

Momentary and short-time short-circuit current tests

 
Laboratories
ABB 765 kV transformer

315 MVA, 765 kV single phase generator step up transformer

First-ever independent ultra-high-voltage component tests

 
Laboratories
HL71 General Cable France

320 kV HVDC cable system

An extended type test program

 
Energy
Hayat Power Cable Systems, Uzbekistan

33 kV power cable of 1 x 300 mm²

Type tests

 
Laboratories
HL71 Shandong Taikai China 38 kV circuit breaker

38 kV three-phase air-insulated outdoor vacuum circuit-breaker

Short-circuit performance tests

 
Energy
HL69 Royal Smit The Netherlands

3-phase 3-winding autotransformer

Short-circuit acceptance tests

 
Laboratories
HL69 Electrobudowa Poland

3-phase metal-enclosed bus

Tested in accordance with IEEE Std. C37.23

 
Laboratories
HL67 Trench Austria

420 kV, 50 kA, 3150 A, 50 Hz line trap

Short-circuit tests.

 
Laboratories
HPL Arnhem transformer testing

500kV 334MVA单相自耦变压器

耐受短路能力试验认证

 
Laboratories
HL71 Shandong Taikai China 550 kV circuit breaker

550 kV Live tank circuit-breaker

Short-circuit and switching performance tests

 
Energy
BHEL, India

Delta and tap-off bus duct

Peak withstand current test of 850 kA and 842 kA

 
Laboratories
HL66 Finelcomp

Distribution board enclosure systems

Design verification of 2501 A and 1251 A panels.

 
Laboratories
Extreme short circuit testing

Extreme short circuit testing of power transformers

2016 was the first year a 700+ kV transformer underwent a full short-circuit test in our KEMA Laboratory

 
Laboratories
HL67 Alstom Grid Solutions

Gas-insulated metal-enclosed switchgear (GIS)

Temperature-rise test at 6300 A current.

 
Laboratories
HL69 General Electric

Generator circuit breaker

Type tests

 
Laboratories
HL67 Mersen France

High voltage current-limiting back-up fuse-links

Breaking tests with a rated voltage of 24 kV.

 
Laboratories
China disconnector December 2015

High-voltage disconnector

A series of disconnectors has been tested according to IEC 62271-102

 
Laboratories
HL71 Mitsubishi Electric Europe

HVDC mechanical circuit breaker

Demonstration of full-power DC fault clearing test

 
Energy