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STS-(3000K, 6000K)-H1 Smart Transformer Station Installation Guide
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Installing a Lightning Arrester for the Ring Main Unit

Installing a Lightning Arrester for the Ring Main Unit

  • The lightning arrester of the ring main unit must be installed after the insulation test is complete. Otherwise, the voltage during the insulation test will damage the lightning arrester.
  • The installation of the lightning arrester has high requirements for the environment. Therefore, the lightning arrester must be installed in a sunny, dust-free, and wind-free environment.
  • During the installation, clean the insulation surface, insulation plug, and rear tee connector surface of the lightning arrester using a clean cloth and apply silicone grease evenly.
  • The lightning arrester of the ring main unit is delivered with the cabinet. For details, see the installation guide provided by the manufacturer.
Install the lightning arrester in cabinet G2 of the ring main unit in the MV room.
Figure 7-10 Installation position of the lightning arrester

(1) Position of the lightning arrester

  1. Install a lightning arrester.

    Figure 7-11 Installing a lightning arrester

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Updated: 2019-12-05

Document ID: EDOC1100115701

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