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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 […]
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
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
CESI AT ACME 2018
Dubai, May 8th 2018 –  Cesi is attending the 4th Advanced Cable Middle East Conference (ACME) in Dubai, the one-stop networking and information gathering platform for all market players in the Middle East. Itcovers fields like Power Transmission, Building Infrastructure, Cable Industry, fiber Optics and Power Cable . In particular, Cesi’s speakers Paolo Miolo, testing […]
News
CESI ON ENERGY ACCESS IN THE PHILIPPINES
​Milan, June 7, 2019 – CESI recently won a contract to support National Grid Corporation of the Philippines (NGCP)in implementing the Mindanao-Visayas Interconnection Project (MVIP). CESI will help NGCP conduct system studies, engineering, design verifications , testing , installation and commissioning of all the equipment, material and services required to render the HVDC converter stations […]
Technical papers
PD optical fibre
Progress in optical PD detection for translucent and transparent HV cable accessories with improved fluorescent optical fibres In a previous paper we introduced sensitive and interference-immune optical PD measurements on HV cable accessories and presented first results. Since then, our investigations tried to cover all important aspects that lead to further improved sensitivity for optical […]
Products Expertise
Cables and Accessories
The increasing global demand for electricity in both industrialized and emerging markets is driving demand for cables systems. We carry out type tests to verify the design of LV, MV and HV cables and their accessories. Type testing allows you to prove that your cables and cable accessories meet the highest quality standards to deliver […]
News
CESI at Second Advanced Cable Middle East 2016
​The 2nd Advanced cable Middle East 2016 conference held in Dubai from February 2nd to February 3rd brought together about 100 senior representatives from leading companies and organizations internationally and regionally. Delegates took part in detailed debates investigating the challenges and opportunities that lie ahead for the Middle East market. The conference proved to be […]
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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 […]
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 […]
Technical papers
Specific submarine cable system challenges for the development of a Mediterranean interconnection grid
Medgrid is a European industrial initiative to study the feasibility of a 1,000 MW HVDC transmission project connecting North Africa to Europe. Medgrid assigned to a Consortium led by CESI (together with Intertek and Parson Brinckerhoff) a feasibility study aimed at providing answers to technology and cable limits, laying methods, maintenance, costs and planning, for […]
News
CESI at first Cable Middle East 2015 – Abu Dhabi (UAE)
​1st Advanced cable Middle East 2015 conference brought together over 110 senior representatives from leading companies and organizations Internationally and regionally. Delegates took part in detailed debates investigating the challenges and opportunities that lie ahead for the Middle East market. The conference proved to be an excellent forum for discussion and knowledge sharing as well […]
Technical papers
Safety aspects of MV and HV underground cables and accessories in urban areas
The booming of renewable power stations (solar and wind mill mainly), the increase use of Interconnectors and submarine cables , the construction of urban substations in big cities with intense population and the need to avoid the use the overhead lines (right of way and so on), are the main factors leading to the increasing […]
Technical papers
Field measurements and frequency domain modeling of a 400 kV underground cable line
The length of XLPE-insulated underground cable lines in the European HV / EHV network is experiencing a fast growth due to the increasing number of submarine interconnections and suitability to be installed also in urban area with nil visual impact after installation. Use of cable stretches in combination with overhead lines has proven to be […]
Technical papers
New trends of the electrical market: challenges and opportunities for HV Cables
​In a changing electrical market, driven by renewable energies, the target is to get wind or solar energy to the consumption 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 […]
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 […]
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
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 more […]