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OEM Oil Immersed Transformer 500kv 5000 kVA Three Phase Isolation Transformer - 500kv Transformer...
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https://patents.google.com/patent/CN101211690B/en
CN101211690B - +/-500kV direct current mutual inductor - Google Patents
The invention relates to a plus or minus 500kV DC current transformer for DC transmission, which is characterized in that: the coaxial cylindrical structures...
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https://patents.google.com/patent/CN105742044A/en
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The invention relates to a 500kV wide-transformation-ratio standard voltage transformer and belongs to the field of error measurement equipment of voltage...
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https://documents.worldbank.org/en/publication/documents-reports/documentdetail/166171468769194041/china-east-china-jiangsu-500kv-transmission-project-environment-assessment
China - East China (Jiangsu) 500kV Transmission Project - environment assessment (Vol. 2 of 2)
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https://patents.google.com/patent/CN204156423U/en
CN204156423U - 500kV jumper string wire clamp thread-lifting hook - Google Patents
The 500kV jumper line hook, including a mountain-shaped pointed-top portal frame force-bearing part (1) formed by bending a metal rod, and a horizontal support...
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