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insulator testing

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, […]
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Electromagnetic Compatibility Laboratories
Testing Labs
Electromagnetic Compatibility Laboratories
Electromagnetic waves are not seen but they are everywhere. From the 1960s onwards, the world’s militaries have had to test how different electronic devices interact with each other, and devices in everyday life now need to be tested as well. Kema Labs is leader in electromagnetic compatibility (EMC) testing for 40 years and plays host […]
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<mark class='ep-highlight'>Insulator</mark> and bushings
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 […]
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Low Voltage Laboratories
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 […]
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High Voltage <mark class='ep-highlight'>Testing</mark>
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 […]
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High Current <mark class='ep-highlight'>Test</mark> Laboratories
Testing Labs
High Current Test Laboratories
Kema Labs variable frequency ultra-high current test laboratories can test any equipment that requires either a high current test or a special test frequency (or a combination of both). Tests can be done in triple phase or single phase. Our variable frequency and ultra-high AC current test laboratories can test at any desired test frequency […]
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HV <mark class='ep-highlight'>tests</mark> for on-site cable diagnostic
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HV tests for on-site cable diagnostic
Energy utilities need on-site AC high-voltage acceptance tests on their cable systems and switchgear, in order to ensure the quality of their transmission systems; such tests need to be performed on site with special equipment as well as remarkable measurement technology and diagnosis at voltages of up to 500 kV. Complete acceptance tests such as […]
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Climatic Chambers
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 […]
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High and Medium Voltage Switchgear Assemblies and Switching Devices
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 […]
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CESI at INMR 2013
News
CESI at INMR 2013
CESI confirming the keen and strong presence in World market of testing Insulators , arresters, Bushings and Cable Accessories has joined also the 2013 edition of the INMR WORLD CONGRESS to be held in Vancouver, Canada: September 8-11, 2013. INMR WORLD CONGRESS is combining a Conference attended by the World top Experts in the sector […]
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High-Power <mark class='ep-highlight'>Testing</mark> Services
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 […]
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CESI AT INMR
News
CESI AT INMR
​Milan, October 15, 2019 – CESI will attend the INMR World Congress in Tucson, the event focused on design, operation and inspection of overhead and underground power lines as well as substations. CESI will be present at the related Exhibition area with its Testing and Certification Delegates to show its innovative services related to TIC […]
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High Voltage <mark class='ep-highlight'>Testing</mark> Laboratories
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 […]
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2015 INMR World Congress
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 theElectricUtilityIndustry,Research and testing Organizations,Universities,Manufacturers and […]
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Arnhem
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 […]
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High Power <mark class='ep-highlight'>Testing</mark> Laboratories
Testing Labs
High Power Testing Laboratories
Kema Labs High Power Laboratories provide 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, the widest […]
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Synthetic <mark class='ep-highlight'>testing</mark> laboratories
Testing Labs
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 […]
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Technical papers
On the way to compare the polarity reversal withstand capability of HVDC mass-impregnated and extruded cable systems
​The reversal of voltage polarity is essential in HVDC cablesystems with Current Source Converters (CSC), since it enables to revert the direction of the power flow. Mass Impregnated Non-Draining (MIND) cables are known tobe able to withstand the voltage polarity reversal without particular problems. TERNA, the Italian Transmission System Operator (TSO), has introduced since many […]
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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 […]
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Technical papers
Safety issues in case of internal arc on HV cable terminations, bushings
Worldwide demand for new T&D networks will increase in the near future pushing the utilities to install a larger number of high voltage equipment like cable terminations, bushings and surge arresters. Meanwhile the attention to environmental and safety issues is generally increasing . The aim of this paper is to analyze the potential risks associated […]
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