Influence of Current-Dependent AC Resistance and Emissivity on Temperature Estimation of a Single-Layer ACSR Conductor

Experimental characterization and modeling of current-dependent AC resistance in ACSR conductors

Comparative Experimental Analysis of Load and Temperature Effects on Precision Resistors under Different Thermal Stabilization Conditions

This paper presents an experimental investigation of self-heating effects in precision resistors under different thermal environments, with a focus on 1 Ω and 10 Ω standards. The study examines resistor behavior under load levels ranging from 2% to 80% of rated power at a controlled ambient temperature of 23 °C. Measur...

Analysis of temperature characteristics and AC losses in three-core submarine cables based on electromagnetic-thermal coupled modeling

Research on the Self-Heating Effect in Resistance Temperature Sensors for Flow Measurements

This article introduces an experimental approach to evaluating the thermal resistance of industrial resistance temperature sensors and demonstrates their use for estimating the flow rate of the surrounding medium. A new method, the Self-Heating Effect Anemometry (SHEA) method, is proposed. Experimental studies were con...

Electromagnetic and Thermal Analysis of Power Losses in Metal Sheaths of Unarmored and Armored Power Cables

In this study, active power losses occurring in the metallic sheaths of single-core unarmored and armored power cables utilized in high-voltage power transmission and distribution systems are rigorously investigated via analytical and electromagnetic approaches. Under alternating current (AC) operating conditions, the...

Effect of measurement conditions on the in-situ determination of the thermal resistance of a wall

The determination of the actual thermal resistance of walls is of importance to help reduce the performance gap between design and real energy consumption, both in case of new built and renovation works. To evaluate the thermal efficiency of building envelopes, the norm ISO 9869-1 gives a methodology to determine the i...