---
title: "The world's first ±800kV ultra-high voltage direct current quantum current sensor has been successfully developed"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/225663310.md"
description: "According to information from China Southern Power Grid Company, the world's first ±800kV ultra-high voltage direct current quantum current sensor, developed under its leadership, has recently passed the technical appraisal for new products. The appraisal committee, composed of academicians and experts, unanimously agreed that the comprehensive technical performance of this product has reached an internationally leading level, marking a significant breakthrough for China in the field of quantum precision measurement"
datetime: "2025-01-21T09:49:10.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/225663310.md)
  - [en](https://longbridge.com/en/news/225663310.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/225663310.md)
generator: "portal-rs"
---

# The world's first ±800kV ultra-high voltage direct current quantum current sensor has been successfully developed

According to Southern Power Grid Company, the world's first ±800kV ultra-high voltage direct current quantum current sensor, developed under its leadership, has recently passed the technical appraisal for new products. The appraisal committee, composed of academician experts, unanimously believes that the comprehensive technical performance of this product has reached an internationally leading level, marking a significant breakthrough for our country in the field of quantum precision measurement

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**