Overview

Key Contact Personnel:
Shankar Subramany, Director, HP Lab., NL, shankar.subramany@kema.com
Bas Verhoeven, Director, Global Business Devt. and Innovationbas.verhoeven@kema.com

Year Founded: 1928
Total Number of Employees: 250
Major Export Markets Served: Worldwide

Services

High Power Laboratory (HPL) – Netherlands

Power Source for the HP Lab:
Six short-circuit generators, 2100
MVA each at 50 Hz

Possible Power Frequency:
From 16.6 Hz up to 60 Hz
Max. MVA / kV / kA: 13000 / 525 / 390 kA for 0.42 s

Test Bays:
Laboratory has three large test bays for testing HV apparatus up to rated voltage 1200 kV and two test bays for MV apparatus up to rated
38 kV. Own jetty for testing of large power transformers while on barge.
Several large assembly bays for use by the customers.

Synthetic Installation:
Full pole testing of circuit breakers with rated voltages up to 1200 kV.
Maximum transient recovery voltage in test bay from the synthetic installations: 2100 kV.

Majority of Tests:
• Short circuit withstand tests
• Short circuit making and breaking tests
• Capacitive and inductive current switching tests
• Load- break tests on MV switchgear
• Internal arc tests on MV and HV switchgear
• Pressure-relief tests on surge arresters
• Short-circuit tests on HVDC switchgear
• Short-circuit withstand tests on transformers up to 800 kV
Short-circuit tests can be carried out on all MV, (U)HV components such as switchgear, line traps, disconnectors, earthing switches, arresters, fuses, cables & cable accessories.

High Voltage Laboratory (HVL) – Netherlands

Testing Capabilities:
AC voltage sources up to 900 kV, DC voltage sources up to 800 kV, four LI and
SI impulse generators up to 2600 kV, heating current transformers up to 50 kA.
All state-of-the-art measuring systems for AC, LI, SI, PD, RIV, T-rise, RCL and tan delta. Specialized in testing of AC and DC cables and accessories, insulators, power and distribution transformers, instrument transformers (CT, VT & CVT) and all types of switchgear.

Dimension of Main Test Hall:
HV laboratory with dimension 85 x 50 x 19 meters with 16 MV, 8 HV and 4 UHV bays. Large Faraday Cage with the very low PD noise level. Special test rooms for ageing tests on cable terminations and insulators. Mechanical test facilities for insulators up to 500 kN and climatic test chambers. Test bays for Type and PQ tests on HVDC and HVAC cable systems.

Outdoor Test Bays:
Four outdoor test bays for Prequalification tests on cable systems up to 400 kVac and 320 kVdc.
MobileTest Equipment:
Test trailers for on-site tests for cables systems, transformers and substations.

Protection Relays and Substation Automation – Netherlands

Functional, EMC, climatic, mechanical, dielectric and product safety type testing for measuring relays, protection equipment, teleprotection equipment, power-line terminals and communication equipment; in accordance with relevant IEC, ANSI and IEEE standards.

Energy Meters Laboratory – Netherlands

Testing and Certification of conventional and smart electric energy meters according EN, IEC and ANSI standards. Metrological accuracy, EMC, climatic, mechanical, dielectric, product safety and switch type testing according to EN 50470 series, IEC 62052-, 62053-, 62055-, 62059-series and ANSI C.12 series and additional tests. Notified body for the European measurement instrument directive (MID MI-003).