Huazheng Innovation: The Global Leading Relay Protection Tester Company Delivering Solutions for Modern Grids

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, allowing engineers to test protective relays under controlled conditions.
IEEE

Differential Protection of Dual-Core Phase-Shifting Transformers

Abstract: This paper focuses on short-circuit protection of dual-core phase-shifting transformers. The paper derives operating equations for differential protection of the series and excitation ...
IEEE

Dynamic Differential Protection of Transformer Considering CT Saturation Based on Waveform Distortion Estimation

Abstract: The protection relay performs a significant role in maintaining the power system’s reliability and stability. However, Current Transformer (CT) saturation affects the overcurrent, ...
Scientific Research Publishing

Brncic, I., Gajic, Z. and Einarsson, T. (2006) Transformer Differential Protection Improved by Implementation of Negative-Sequence Currents. ABB Power Technologies.

ABSTRACT: This paper reviews fault identification and predictive maintenance techniques essential for the reliable operation of high-voltage power systems. The increasing integration of renewable ...
Scientific Research Publishing

Afrasiabi, S., Afrasiabi, M., Parang, B. and Mohammadi, M. (2020) Designing a Composite Deep Learning Based Differential Protection Scheme of Power Transformers. Applied Soft ...

ABSTRACT: This paper reviews fault identification and predictive maintenance techniques essential for the reliable operation of high-voltage power systems. The increasing integration of renewable ...
EDN

Transformer Protection from Inrush Current – PTM Preview

Digi-Key, in collaboration with Ametherm, presents a PTM describing transformer protection from inrush current using the NTC thermistor. This will provide a problem statement describing the inrush ...