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electrical insulation testing

Low Voltage Laboratories
Low Voltage Standards: IEC 61992
In electrical engineering, international standards ensure electrical systems’ safety, reliability, and efficiency. The standards IEC 61992-2, IEC 61992-3, IEC 61992-4, and IEC 61992-6 are crucial for low-voltage applications in railway systems. Each standard addresses specific requirements for electrical equipment and installations, ensuring their safe and effective operation. IEC 61992-2 IEC 61992-2 specifies requirements for insulation […]
HIGH-VOLTAGE TESTING LABORATORY IN THE US
HIGH-VOLTAGE TESTING LABORATORY IN THE US The imperative for efficient energy transmission across vast distances has escalated, propelling manufacturers into intensified research, development, and production endeavors to create components capable of withstanding and transmitting higher voltages with optimal efficiency. Amidst this landscape, KEMA Labs High-Voltage laboratories stands tall as a globally recognized and independent facility […]
High-Power Testing Laboratories in the US
HIGH-POWER TEST LABORATORY IN THE US – THE LARGEST FACILITY IN AMERICA Located in Chalfont, Pennsylvania (USA), KEMA LABs stands as a beacon of excellence for electrical testing services. KEMA LABs specializes in a broad array of tests , notably including both AC and DC high-power short-circuit examinations, as well as extensive high-voltage assessments.  Our […]
Products Expertise
Insulator and bushings
Insulators support and separate electrical conductors in electrical equipment without conducting a current themselves. Rain, snow, sand and pollution are among the factors that can stop them working properly and shorten their lifespan. KEMA LABS is the global leader in testing insulators and bushing to most existing standards. We have a long track record and […]
Technical papers
Technical design requirements and test experiences on Composite Hollow Core Insulators regarding pollution performance under AC and DC stress
This paper is a common approach of manufacturers of insulators , electrical equipment, transmission system and test labs to verify the expected behaviour in laboratory and outdoor tests . For the electrical design of composite insulators , different material properties and shed profiles for AC and DC conditions have to be taken into account respectively, […]
Testing Labs
High Voltage Testing
Component manufacturers are continually striving to produce equipments that are capable of operating at higher voltage stresses with more challenging insulation coordination requirements.  Research and development into these cutting-edge components is increasingly important due to the growing need to move energy over longer distances.  The High-Voltage Laboratory at KEMA Labs is an independent facility that […]
Testing Labs
Climatic Chambers
Particular environmental conditions can significantly affect the behaviour of electrical equipment, generally reducing its capability. Kema Labs has more than 20 climatic chambers of different sizes, from 0.3 m 3  up to 31 m 3 , as well as two thermal chambers of 400 m 3  and 750 m 3  where ice tests on transformers […]
High Power Testing Laboratories
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 […]
Testing Labs
High Voltage Testing Laboratories
It has become increasingly important to be able to transport energy over longer distances, pushing manufacturers to research, develop and produce components that can operate at higher voltages. KEMA Labs High-Voltage laboratories is a renowned independent facility for testing and certifying medium and high voltage components used in electrical infrastructure . Our Laboratories can test […]
Technical papers
Optical PD detection in high voltage cable accessories
Optical partial discharge detection is a new method to perform diagnosis of the insulation system detecting optical signals which are coming up at the same time.This method does not work with the electrical signals which are caused in case of partial discharges though. On the basis of this different physical process, external electrical noise can […]
News
2015 INMR World Congress
CESI is pleased toconfirm its presence at the 2015 INMR World Congress that will take place from October 18th till October 21st, 2015 in Munich, Germany. The 2015 INMR World Congress is theglobalmajor event for Insulators , Arresters, Bushings ; cable Accessories industry and willgather over 120 international experts from the Electric UtilityIndustry,Research and testing […]
Labs
Arnhem
KEMA Labs Arnhem stands at the forefront of power industry testing , delivering specialized services unparalleled in scope and precision. Our state-of-the-art High Power Lab is equipped with six 2100 MVA short-circuit generators, enabling extensive AC and DC testing capabilities. Complementing this, our High Voltage Lab excels in Dielectric testing , ensuring a comprehensive examination […]
News
CESI AT THE 2017 INMR WORLD CONGRESS
Barcelona, November 6  2017 – CESI is at the 2017 INMR World  Congress, presenting two papers. On top of that, our company is pleased to welcome participants to its stand, n.° 59&60, in the exhibition area. The first CESI paper “Trends in Energy & Electrical Power Worldwide & Impact on Development of T&D Systems” will […]
News
Jicable’15
​ CESI Group will be present with four papers at Jicable Conference in Versailles, France from 21st to 25th June. Jicable is the main forum where you can meet with the major experts in AC and DC insulated power cables and their accessories, from low voltage and special cables up to ultra-high voltage cables as […]
Technical papers
PD in cable accessories
Optical PD detection in high voltage cable accessories A novel method in order to perform diagnosis of the insulation system is optical partial discharge detection. This method does not work with the electrical signals which are caused in case of partial discharges but rather detects the optical signals which are coming up at the same […]
Technical papers
HVDC link Sardinia Island
The essential characteristics and the steps followed in the realization process of the new ±500 kV 1000MW HVDC link Sardinia Island – Italian Peninsula (SAPEI), whose completion was achieved at theend of 2010, are presented in this paper. Notwithstanding the growing application of HVDC links around the world and the acquiredexperience in the area of […]