high-voltage labs

Products Expertise
High and Medium Voltage Switchgear Assemblies and Switching Devices
Switchgears and control gears are important nodal points in modern power systems and it is vital that they work reliably. Our independent testing, to the highest internationally recognized standards, allows you to prove to grid operators that your circuit breakers deliver robust short-circuit performance for today’s networks. Kema Labs offers short-circuit testing and certification of […]
High Power Testing
High-Power Testing Services
high-power Testing Services Kema Labs Laboratories provide high-power testing services which include short circuit, switching testing, and short-time current testing based on international and regional standards, to utilities and equipment manufacturers all over the world. Several high-power labs are available in different locations, with short circuit power starting from 2,000MVA up to 15,000 MVA three-phase, […]
Services IEC/IEEE Testing Services and recent updates
IEEE C57.164:2021 – Guide for establishing Short-Circuit Withstand Capabilities of Power Transformers, Regulators, and Reactors
This IEEE Guide describes the ways to establish the capabilities for withstanding short-circuit currents resulting from external short-circuit faults. The procedures described in this document are always based on the results of actual short-circuit tested transformers, being used directly as reference or the evaluated short-circuit stresses during such tests . Other standards and updates New […]
Testing
Services IEC/IEEE Testing Services and recent updates
International Standards provide instructions, guidelines, rules, or definitions that are then used to design, manufacture, install, test & certify, maintain, and repair devices and systems. They are essential for quality and risk management; they help researchers to understand the value of innovation and allow manufacturers to produce products of consistent quality and performance . International […]
Transmission & Distribution
HVDC Infrastructures
The number of interconnections between power networks in different countries, or inside a single country with wide geographical spread, is growing, highlighting the need for high voltage direct current (hvdc) technologies, which can carry power over long distances, undersea if necessary and enable the linking of asynchronous networks . CESI is one of the few […]
About us
CESI Middle East FZE
CESI Middle East FZE, headquartered in Dubai UAE and with Branch and project offices all over the Gulf region, is a leading local technical consulting and engineering company with more than nine  years of localized experience providing testing and certification services to the electromechanical industry as well as consulting and engineering services to the energy […]
About us
KEMA Labs
KEMA Labs is world renowned Testing, Inspections & Certification organization. Located at several sites across the globe, we combine traditional with state-of-the-art gear to ensure every kind of grid equipment, from medium- to ultra high-voltage , can be tested, satisfying today’s increasingly demanding criteria for performance and safety . Brief history 1927      KEMA is founded […]
About us
FGH Engineering & Test GmbH
In Mannheim, directly connected to one of the most powerful nodes of the German grid, is the “smallest” (total occupied area of 70.000 m2) platform of the CESI Group. Brief History 1921      SfH formed in Berlin as a research organ for both electric power companies and manufacturers 1956      New facilities built in Mannheim/ […]
Labs
Mannheim
The Mannheim laboratories are located in the south east of the city between the Neckar and Rhein rivers in one of the largest green areas in Baden-Württemberg. The labs’ history dates back to 1956, when the high voltage testing laboratory and the modern high power test laboratories were built. The site also boasts cutting-edge facilities […]
News
CESI | GEPL starts in the Middle East
Today marks the beginning of Gulf Electrical Power Laboratories (CESI | GEPL) Today marks the commencement of Gulf Electrical Power Laboratories (CESI|GEPL) operations in the Middle East. Our joint venture with GCC Electrical Testing Laboratory was conceived as a call to stricter specifications of power components compliant to the highest international standards. This state-of-the-art electromechanical testing […]
Labs
Shanghai
The CESI Group subsidiary in China “KEMA (Shanghai) Technology Consulting Company Limited” is focusing on sales & marketing for Great China region in order to promote our testing business for Chinese manufactures and also to support them for  testing  their component  at worldwide  KEMA labs ( High Power Lab , High voltage Lab and  SS&T). At the […]
Testing
High-Current Testing
High-current, variable frequency testing for all your equipment needs KEMA Labs’ variable frequency ultra-high current test laboratories are designed to test any equipment that requires high current, special frequency conditions, or a combination of both. We offer both single-phase and three-phase testing configurations. Our facilities can deliver any test frequency between 15 Hz and 65 […]
Testing
Synthetic testing laboratories
KEMA Labs has been a pioneer in developing synthetic test methods. Our Laboratories has achieved the most powerful short circuit and synthetic test capabilities ever in our independent testing and certification laboratory , which can short-circuit test 1,200 kV power equipment, with the highest short circuit power of up to 15,000 MVA. Reaching the high […]
News
CESI AT EP SHANGHAI
​Milan, October 6, 2019 – CESI is attending EP Shanghai, the 12th International Exhibition on Electric Power Equipment and Technology. On this occasion, the company is showing at booth 2E46  its innovative services related to testing: from HP/HV tests on very high voltage equipment to HVDC and HVAC cables power and distribution transformers and surge […]
News
ON ENERGY RESILIENCY
​We are experiencing a phase in which the energy sector, in the world, is changing abruptly and substantially, as it has not happened for more than a century. In this scenario, the need to effectively prevent the potential damage on the electricity grid caused by extreme weather phenomena is becoming more and more crucial.   Therefore, […]
News
CESI ACQUIRES KEMA LABS
Arnhem, The Netherlands October 8, 2019 – CESI and DNV GL have signed today an agreementto transfer the ownership of KEMA Laboratories to CESI. The completion of the transaction will take place at the end of 2019 and is subject to other customary closing conditions. Once finalized the transfer, CESI will become world leader for […]
News
CESI FOR EUROAFRICA
​Milan, May 24, 2018 – Yesterday Egypt and Cyprus signed an agreement for the realization of EuroAfrica, the submarine interconnection that will allow electricity  exchanges between Europe and Africa. The project will speak Italian too. In fact, CESI has been selected as technology Consultant for the completion of a cost-benefits analysis regarding the highway. 707 […]
News
CESI ON SAPIENS, RAI 3
Milan, April 29, 2019 – On April 27, CESI was one of the key players of “Sapiens”, the Italian TV program focused on science evolution. In this respect, in CESI’s High Voltage (HV) laboratory a lightning was artificially recreated, in order to understand its functioning and the impact on the Earth. You can watch the […]
Technical papers
Transparent Fluorescent Silicones
Characterization of Transparent Fluorescent Silicones for Optical Monitoring of High-Voltage Cable AccessoriesThe mechanical and electrical properties of new transparent silicone materials modified with two fluorescent dyes were investigated by measuring stress-strain behaviour, electrical breakdown strength, capacity and dissipation factor, before and after thermal ageing, as well as electrical and optical partial discharges. Mechanical properties of […]
Technical papers
Proving reliability of High Voltage cable systems: AC and DC critical aspects
In a changing electrical market, driven by renewable energies, the target is to get wind or solar energy to the cons​umption centers. Nowadays Transmission System Operators (TSO) are worldwide searching for innovative solutions in developing the transmission grid and, as a result, it is likely that the application of extra high voltage AC and DC […]