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high voltage transformer testing

HIGHVOLTAGE 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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
Testing Labs
High Voltage Direct Current Laboratories
HVDC power transmission is becoming increasingly important as great amounts of energy generated by remote renewable energy sources have to be transported over large distances, and, its share grows rapidly. If transmission lines fail, it leads to huge outage costs that can seriously affect project cash flows. As a result, system operators and manufacturers are […]
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 […]
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), […]
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 […]
Labs
KEMA Labs Berlin
Nestled in the northeastern expanse of Berlin, along the vibrant Landsberger Allee and close to the industrial heartland of Lichtenberg, KEMA Labs Berlin emerges as a testament of innovation and excellence in the electrical testing . Founded in 1956 as a national German high power test laboratory, today it stands as a leading facility for […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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, […]