Error test system and test method of digital metering device
A technology for measuring devices and testing systems, which is applied to measuring devices, measuring electrical variables, instruments, etc., and can solve the problems of inaccurate clocks, asynchronous clocks, error out of tolerance error stability of digital measuring devices, etc.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0045] Below in conjunction with specific embodiment the present invention is described in further detail, described is the explanation of the present invention rather than limitation, and wherein said tradition all refers to the prior art that utilizes analog quantity during work, is opposite to digital quantity.
[0046] The error testing system of the digital metering device of the present invention includes a digital metering device, a standard traditional current transformer, a three-phase electronic transformer calibrator, a standard three-phase digital electric energy meter, a standard three-phase traditional electric energy meter and a load for outputting electric energy The three-phase test power supply; the digital metering device includes a standard clock source for providing a standard clock synchronization signal, two sets of three-phase current transformers and a current merging unit for digitizing the current analog output of the three-phase test power supply. , ...
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