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Published by admin on 22 julio 2021
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LCOE PERFORMS TEMPERATURE-RISE TEST ON DRY TYPE TRANSFORMERS FOR SGRE SG 2.1 WIND TURBINE

Temperature-rise test performed on 2350 kVA dry-type power transformer manufactured by SIEMENS Guangzhou China was performed in March 2021 at LCOE HV Lab.

The test object was tested by using the thermal test bench designed by SGRE to simulate the real operation condition of the power transformer placed inside the nacelle of SG 2.1 wind turbine.

No-load test applying the rated voltage of 690 V and load-test with maximum operating current of the power transformer equal to 90.7 A (HV) / 1966 A (LV) according to IEC 60076-11 Std and technical specification of the applicant were performed on the unit to determine maximum temperature-rise of the transformer windings, internal parts of the transformer and ambient temperatures inside the nacelle.

Since June 2019 to July 2021, several dry-type power transformers from 2350 kVA to 5500 kVA rated power, manufactured by Chinese, Russian, Turkish, Spanish and German companies, have been tested at LCOE HV Lab to check the real behaviour of the transformers inside 2X, 3X and 4X SGRE nacelles.

Dry type 2350 kVA power transformer inside the 2.1 enclosure

More information: Tomás García tgarcia@ffii.es

“Disclaimer

The present document, its content, its annexes and/or amendments (the “Document”) has been drawn up by SIEMENS GAMESA RENEWABLE ENERGY (“SGRE”) for information purposes only and contains private and confidential information regarding SGRE and its subsidiaries (the “Company”), directed exclusively to its addressee. Therefore, it must not be disclosed, published, or distributed, partially or totally, without the prior written consent of SGRE, and in any case expressly indicating the fact that SGRE is the owner of all the intellectual property.

All the content of the Document, whether it is texts, images, brands, trademarks, combination of colors or any other element, its structure and design, the selection and way of presenting the information, are protected by intellectual and industrial property rights owned by SGRE, that the addressee of the Document must respect.

In particular (notwithstanding the general confidentiality obligation), the addressee shall not reproduce (except for private use), copy, transform, distribute, or publish to any other third party, any of the information, totally or partially.”

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