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PPT分享 | 周亮:输变电工程高精度三维地理场景构建及应用实践

  • 2026-07-17 11:52:04
PPT分享 | 周亮:输变电工程高精度三维地理场景构建及应用实践

输变电工程,动辄跨越数百公里,途经农田、水域、城镇等复杂地貌。长期以来,工程勘测主要依赖人工外业踏勘和目视解译,不仅效率低、周期长,而且复杂地形下的识别精度难以保证,勘测数据的深层价值也远未被充分挖掘。数字化手段如何真正融入电网建设的前端环节,成为行业亟待突破的课题。

2026年5月27日,北京国家会议中心二期,企业数智化转型专题会议,国网上海市电力公司经济技术研究院高级专家周亮带来了题为 《输变电工程高精度三维地理场景构建及应用实践》的分享。他系统展示了国网上海经研院如何以超图GIS平台为时空底座,融合遥感AI解译、空间分析与行业规则模型,构建起从“数据采集—自动处理—智能解译—智能选线”的一体化闭环路径。现将周亮专家报告内容分享给大家,欢迎交流探讨。

在国家层面,《数字中国建设整体布局规划》和《“十四五”现代能源体系规划》明确要求,在能源等重点领域加快数字技术创新应用。2025年,国家电网公司基建部印发《关于深化三维设计应用推动电网建设数字化转型的通知》,由上海电力公司牵头,正式启动输变电工程高精度三维地理场景的构建工作。
左图所示,这是一个典型的输变电工程场景,图中包含变电站、架空线路等设施设备,由正向建立的BIM模型构成,代表从数字到物理的设计意图表达。而逆向采集的变电站周边地理信息,则反映现场施工状况与物理现实。两者在平台上融合,为电网赋予一个能感知、可分析、会进化的数字生命体,这正是电网数字化转型、数字孪生电网的核心基础。

我们的目标是构建高精度三维地理场景,持续提升工程建设质量与效率。但在实践中,仍面临四个痛点。

  • 第一,勘测数据质量参差不齐,缺乏统一的技术质量与标准要求。

  • 第二,数据处理自动化程度低,流程繁琐、耗时较长。

  • 第三,地物识别精度不足,依赖人工目视解译,效率和稳定性难以保障。

  • 第四,勘测数据价值未被充分挖掘,专业门槛较高,非测绘专业人员难以快速上手。

破解这些痛点,构建标准化、智能化、高精度的三维地理信息场景,已成为输变电工程数字化转型的必答题。

首先介绍一下总体技术路径。在技术架构上,首先基于外业采集的无人机数据,经自动化处理,生成满足规范的数字高程、数字地表、数字正射影像、倾斜摄影等地物数据。其次,依托超图平台,建立地物样本库与识别模型,完成地物的智能识别与分类。最终,结合人工智能算法研究,落地部分场景应用,如线路方案优化与辅助造价估算等。在技术方案上,围绕输变电工程勘测设计场景,构建“采集接入—自动处理—智能解译—场景应用”的一体化技术路线。

基于上述场景应用成果,我们牵头编制并印发实施了《输变电工程三维地理信息采集与交付规范》国网企标,同步推进《输变电工程勘测语义模型》企标立项。第一个规范主要解决如何对电力设施设备对象进行数字化描述;第二个规范面向未来AI发展需求,将数据进行语义化表达,使计算机能够识别理解。两项标准共同覆盖数据采集、处理、建模到交付的全流程标准化体系。

同时,我们将相关内容融入去年牵头立项的ITU国际标准——《电网数字孪生表示模型要求》,期望实现从国际标准到国内标准的数据贯通与标准对接。

基于上述技术积累,我们开发了一套高精度地理信息模型构建软件,上海公司简称为Degrid数字电网。该软件实现了从无人机影像数据自动处理,到AI地物智能识别、地理信息模型构建,再到智能设计的全过程集成与全链路闭环
以标准化、自动化、智能化的闭环路径,破解前述四个业务痛点,形成从数据采集到智能应用的一体化技术闭环。

未来展望方面,通过已有实践案例,我们将逐步扩展至前期规划、设计、建设等更多可落地的应用场景。目前已构建的基础能力,可为这些场景的进一步拓展提供支撑。

在AI技术演进上,我们采用分层推进策略。首先,依托已建立的标准体系,对电网工程勘测数据进行语义化表达——只有将设施设备对象进行数字化描述,才能作为AI语料和基础存在。在此基础上,搭建工程多模态语义模型,涵盖DOM、DSM、倾斜摄影等数据,以及BIM工程数据,建立多模态数据之间的语义关系,支撑上层各应用场景的智能化决策。

如果说前期实践仍以人为主操作,下一步则是基于AI方式实现场景应用,进一步提升基建效率与质量,降低工程造价,推动行业迈向更高水平。

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  1. CONNECT:[ UseTime:0.000565s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000638s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000254s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000225s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000469s ]
  6. SELECT * FROM `set` [ RunTime:0.000198s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000523s ]
  8. SELECT * FROM `article` WHERE `id` = 541423 LIMIT 1 [ RunTime:0.000599s ]
  9. UPDATE `article` SET `lasttime` = 1784648311 WHERE `id` = 541423 [ RunTime:0.015640s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000429s ]
  11. SELECT * FROM `article` WHERE `id` < 541423 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000500s ]
  12. SELECT * FROM `article` WHERE `id` > 541423 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005568s ]
  13. SELECT * FROM `article` WHERE `id` < 541423 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000778s ]
  14. SELECT * FROM `article` WHERE `id` < 541423 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000851s ]
  15. SELECT * FROM `article` WHERE `id` < 541423 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001731s ]
0.094863s