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power transformer testing methods

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 […]
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 […]
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 […]
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
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 […]
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, […]
Low Voltage Laboratories
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 […]
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, considering the […]
Smart Metering Laboratories
ELECTRICITY METER CERTIFICATION
As of June 2020, updated editions of the EN-IEC electricity meter standards were released, namely EN-IEC 62052-11, EN-IEC 62053-21, -22, -23, and -24. These editions, supplanting those from 2003 and their amendments from 2016, represent significant technical updates. The IEC’s technical committee TC13 has advised that nations should implement the 2020 standard revisions within two […]
Air
Continuous emission monitoring
Power plants need regular emission monitoring, in order to verify that they comply with emission limits set by the relevant environmental agencies. With our deep experience in the emission monitoring sector, CESI can monitor gas flue emissions of power plants. Our service portfolio includes:
Type Test of Energy Meter
TYPE TEST OF ENERGY METER
In June 2020, new versions of the EN-IEC product standards for electricity meters, the EN-IEC 62052-11, EN-IEC 62053-21, -22, -23, and -24, were published. These second editions cancel and replace the first editions published in 2003, including their 2016 amendments. This edition constitutes a technical revision. In the 2020 versions, it is mentioned that the […]
Conventional PP, Industrial & Oil&gas
Oil&Gas Infrastructures
CESI has developed a unique specialized service portfolio to support oil and gas companies in different areas, including:
Waste & Wastewater
Waste from Power generation
Waste management is an ongoing concern in all production sectors because of companies’ increased environmental awareness and the transition to a circular economy. The power sector is carrying out various initiatives to improve its waste recovery and needs specialist support. CESI can provide this support across the whole waste management cycle, from production to final […]
News
Technology to build and operate Supergrid is available today
​As announced at the inaugural conference Supergrid 2012 on 21 March, FOSG has released a roadmap on the technological challenges for Supergrid. There are no technology show-stoppers to the development of a European Supergrid. For visionary long term planning the availability of key VSC-Grid technologies, such as control and protection methods , main circuit design, […]
Views
High RES penetration impact on Operations
​The development of Renewable Energy Sources (RES) is rapidly growing worldwide and they will play an increasingly important role in electricity power systems in the coming years. The majority of this is expected to be from Variable Non-Synchronous Renewable (VNSR) generation sources. According to the 2020 targets, significant volumes of VNSR generation are estimated across […]
Technical papers
Maximum feasible penetration of non-programmable RES generation in power systems
​The large-scale development of renewable sources, with particular reference to wind, in the generation mix might introduce several problems for a secure management of the power system, due to a higher generation uncertainty, thus requiring careful investigations by the responsible for planning and the involved system operators. In this context, CESI has developed a thorough […]
Testing Labs
Explosion Proof Test Laboratories
International standards require electrical and non-electrical equipment installed in hazardous areas to prove it can withstand particular external events such as explosions, spark ignition, extreme heat and high impacts. To test these capabilities, you need special laboratories that can simulate such extreme conditions. KEMA Labs offers a wide range of testing services for electrical and […]