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high-voltage testing lab

Products Expertise
Power Electronics
The growth of distributed power generation is driving the increasing use of power electronics equipment to connect renewable energy sources to existing grids. For component manufacturers and utilities, testing is the key to ensuring these grid inverters and converters perform as specified. In our lab we set electrical boundary conditions for realistic grid conditions and […]
Products Expertise
Transformers
Power transformers are key components in power production, transmission and distribution, interconnecting systems that have different rated voltages , from power plants to final users . KEMA LABS tests power and distribution transformers up to the highest power and highest voltage ratings in use today. We test transformers to standards such as IEC 60076 (oil-filled), […]
CHALFONT LABORATORIES JOINS CESI
Milan, March 2, 2020 – The change in ownership of the Chalfont (USA) Laboratories’ from DNV GL to CESI has completed today. The independent testing facility in Chalfont is the largest of its kind in the United States. It features 1000 MVA and 2500 MVA short-circuit generators; a 1500 kV impulse generator; a 600-kV power […]
Testing Inspection and Certification
On Site Testing
Whenever you install a new or refurbished component, it is essential to verify that it works properly before you put the component or substation into service. Even the smallest failure could cause a full-scale short circuit – with potentially disastrous consequences. Kema Labs offers onsite commissioning testing of components such as transformers, generators and high […]
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 […]
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 […]
Testing Labs
Pollution Laboratories
Salt fog stress in beachfront areas, industrial pollution, mist or rain can all cause flashovers on outdoor high – and medium- voltage equipment. Kema Labs pollution test laboratories can perfectly reproduce heavy conditions in accordance with most global standards . Test & Ratings Tests Ratings Pollution test (IEC 60507) Up to 600 kV AC Pollution […]
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 editions […]
Testing Labs
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 standards […]
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 […]
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 […]
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 […]
News
CESI’s new HVDC Laboratory Opening Ceremony
​ CESI’s newest HVDC Laboratory at FGH’s Facility will be celebrated in Mannheim on September 2nd, 2014 with a unique Opening Ceremony at the presence of local stakeholders and key international clients. CEOs from global Utilities and Cables manufacturers, alongside with top business professionals, will gather and discuss during a special Symposium about the state […]
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 […]
Views
Conformity Assessment for LV products
​The recent changes to IEC standard for Low voltage switchgear assembly created a higher demand of tests which earlier were not mandatory. The former IEC 60439 defined indeed two different approaches to compliance: TTA – Type Tested Assembly, an assembly that has been completely type tested and PTTA – Partially Type Tested Assembly, an assembly […]
Technical papers
Advanced Operation of the High Voltage System Highlights from the Italian Plan for System Security,Advanced Operation of the High Voltage System Highlights from the Italian Plan for System Security
The Italian Plan for System Security (IPSS) is a coordinated actions program devoted to revise and possibly improve practices and systems used for the Italian Transmission System Operation. The IPSS is lastly introducing modern operating solutions which are parts of both the Smart Grid for Transmission paradigms and the ENTSO-E research emerging initiatives. As known, […]
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 […]
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
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 […]
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 […]