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Low Voltage Laboratories
Low Voltage Standards: IEC 61439-2, IEC 61439-6, IEC 61643-11, IEC 61921, IEC/TR 61641
Adhering to international standards ensures the safety, reliability, and efficiency of electrical systems in electrical engineering. The standards IEC 61439-2, IEC 61439-6, IEC 61643-11, IEC 61921, and IEC/TR 61641 are crucial for various low-voltage applications. Each standard addresses specific electrical equipment and installation requirements, ensuring safe and effective operation. IEC 61439-2 IEC 61439-2 specifies requirements […]
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 […]
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 […]
Advisory services
Operational studies
The ongoing decarbonization of power systems is introducing new challenges in terms of managing transmission and distribution networks while guaranteeing the security and resilience of the system: the generation mix is undergoing an evolution (in some cases a revolution), with more distributed generation coming onto the system, more alternative energy storage capacity being added, and […]
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 […]
Products Expertise
Surge Arresters
Lightning strikes are among the most powerful events that power systems and components have to face. Surge arresters protect power system components such as transformers, generators and electronic devices, earthing the current and bringing the overvoltage down to within acceptable limits for the components . KEMA LABS can test all distribution and station class arresters […]
Views
HP Labs drive national grids into the future
​ Since the second industrial revolution, the industry development has been strictly dependent from the availability of electric power and the reliability of the electric generation and distribution infrastructure. The reliability of an electric network could be seen as the combined reliability of its power components; since many decades, third party laboratories are trusted institutions […]
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
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 […]
Testing Labs
Low Voltage Type Testing
KEMA LABS provide independent hands-on verification of LV panels based entirely on rigorous testing . We test for mechanical, dielectric, short circuit and temperature rise effects covering all the potential conditions your panels will go through in day-to-day operation. Our labs test panels against the IEC 61439-1 international standard at both 50 Hz and 60 […]
Testing Labs
Low Voltage Testing Services
Our independent physical verification of LV panels is 100% based on testing , covering mechanical, dielectric, short circuit and temperature rise effects. It verifies all the normal and fault conditions your panel will experience in real-world operation. We carry out low voltage tests on panels in our own labs against the IEC 61439-1 international standard […]
Products Expertise
Low Voltage Switchgear Assemblies and Switching Devices
For low voltage switchgear and controlgear assemblies (lv panels), quality means safety. Poor quality can lead to power outages, fires or injury, so contractors need to have complete trust in the components they buy. Our testing approach and type test certificates provide the trusted evidence you need to convince your customers of the quality of […]
News
The first European independent HVDC lab
​The new lab represents a global center of excellence and is based on “state-of-the-art” technologies for testing cables, components and innovative systems for High Voltage Direct Current, a strategic asset for long distance energy transmission. It is the first and biggest European independent laboratory for Direct Current and it leverages the most modern technologies able […]
Technical papers
Growing Demand for Testing DC Cables & Accessories: Experience & Special New Requirements
​ High-voltage direct-current (HVDC) technology is a growing field in the T&D sector, allowing transmission of bulk quantities of energy with a reduced impact on Infrastructures and reduced losses . The performance level of today’s HVDC solutions allows to gain advantage from technical, economic and environmental points of view. HVDC power transmission becomes more and […]
Product Inspections, Certification & Training
Product Certification & Inspection Services
The growing demand for electricity requires utilities to have solid transmission and distribution networks, both to ensure reliability and to reduce operation costs. Utilities need to be sure that their electrical equipment is robust and  reliable . Kema Labs 1  benefits from synergies between its laboratory testing and onsite inspections, as well as a wider […]
Technical papers
Ferroresonance in Inductive Voltage Transformers Or Power Voltage Transformers: analysis, laboratory tests and solutions
A ferroresonance analysis related to HV Inductive Voltage Transformers (IVT) and power Voltage Transformers or Station Service Transformers (PVT/SST) was addressed to develop models based on EMT formulation, enabling detailed ferroresonance risk analyses in specific HV station conditions and helping in the equipment technical specifications (including anti-ferroresonance remedial provisions). The research relied on a comparison […]
Technical papers
Effect of chlorination on the corrosion behavior of CuNi 70/30 condenser tubing
In recent years, the detection of many MIC failure events affecting copper alloys in heat exchange plant drove the setting-up of experimental monitoring systems regarding these phenomena. The formation of protective oxide layers growing on CuNi 70/30, commonly employed in seawater, and the positive role of chlorination treatments were particularly addressed. For this purpose measurements […]
Testing Labs
Protection & Substation Automation Laboratories
The ongoing energy transition requires digitalization with intelligent electronic devices for measurement, protection, and control in power systems. Consequently, larger and smarter grids demand more communication between grid components, as ensuring that energy flows are correctly monitored, protected and controlled is vital to delivering a stable and reliable electricity supply. We offer independent type testing and certification of […]
Views
HVDC: Back to the future
​The future began in Gotland in 1950. It is here, between this island 90 kilometers off the coast of Sweden and the mainland, that the first direct current connection for the transmission of electricity was made. Though limited in size and power, the project has had enormous resonance. In fact, the prototype developed by ABB […]