T/CES 195-2023 Partial discharge optical fiber sensing detection technology Part 2: Sensor device performance testing and evaluation

Scope

Scope: This document specifies the detection methods and evaluation requirements for partial discharge fiber optic sensing devices used in electrical equipment. This document is applicable to the performance detection and functional evaluation of fiber optic sensing devices based on partial discharge signals. Main technical content: This document specifies the detection methods and evaluation requirements for partial discharge fiber optic sensing devices used in electrical equipment. (1) The basic structure of partial discharge fiber optic sensing devices is explained. (2) The detection methods are specified according to the test conditions, test contents, precautions, circuit configuration, performance requirements of test equipment, sensitivity test, amplitude measurement range test, signal-to-noise ratio test, amplitude resolution test, amplitude accuracy test, amplitude linearity test, response time test, pulse resolution time test, detection bandwidth test, thermal zero-point offset test, and thermal full-scale output offset test. (3) The functional evaluation requirements for partial discharge fiber optic sensing devices are specified according to amplitude detection function, time detection function, and waveform detection function. (4) The performance parameter formulas for partial discharge fiber optic sensing devices are explained according to sensitivity, amplitude measurement range, signal-to-noise ratio, amplitude resolution, amplitude detection accuracy, amplitude detection linearity, thermal zero-point offset, and thermal full-scale output offset. (5) The test blocks used in the detection methods are specified according to the materials, mechanical dimensions, fixed positions, placement of excitation sources, and placement of optical sensing units of disc-shaped, cylindrical, and conical test blocks.

Development Information

Related Standards