Earth fault judging method for overhead line fault indicator
A fault indicator and ground fault technology, applied in the field of power grid, can solve the problems of rough judgment, misjudgment or non-judgment of system influence, low accuracy, etc., and achieve high judgment reliability, improved accuracy, and short injection time Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0017] The embodiments of the present invention will be described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention. Detailed implementation modes and specific operation procedures are given, but the protection scope of the present invention is not limited to the following implementations. example.
[0018] Such as figure 1 with figure 2 As shown, this embodiment includes the following steps:
[0019] The first step is to install the fifth harmonic generator 3 in the substation. The voltage measuring terminal and the fifth harmonic output terminal of the fifth harmonic generator 3 are connected in parallel with the open triangle of the three-phase voltage transformer 2; The indicators 5 are distributed and installed on the overhead lines 6;
[0020] The fifth harmonic generator is based on the PC104 module and the DSP module as the core components. It is used to monitor the open triangle zero sequence voltage of the sy...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com