Ground fault temporary overvoltages in MV networks: Evaluation and experimental tests
Single-phase-to-ground faults may cause substantial temporary overvoltages (TOVs) in
large radial medium-voltage networks with isolated neutral, even over 3-pu phase to ground …
large radial medium-voltage networks with isolated neutral, even over 3-pu phase to ground …
Thermal stress analysis of medium-voltage converters for smart transformers
A smart transformer (ST) can take over an important managing role in the future electrical
distribution grid system and can provide many advanced grid services compared to the …
distribution grid system and can provide many advanced grid services compared to the …
Analysis of transient overvoltages and Self Protection Overvoltage of PV inverters through RT-CHIL
Abstract In power systems, Single-Line-to-Ground (SLG) faults are the most common type of
fault. When a three-phase four-wire system supplied by an ungrounded synchronous …
fault. When a three-phase four-wire system supplied by an ungrounded synchronous …
Adaptive zero-sequence overcurrent criterion for earth fault detection for fault current passage indicators in resistor grounded medium voltage networks
B Olejnik - IEEE Access, 2021 - ieeexplore.ieee.org
Earth faults are the most common disturbances in medium voltage networks. They cause
threats to equipment and people, and reduce the quality and reliability of electricity supply …
threats to equipment and people, and reduce the quality and reliability of electricity supply …
Minimising the risk of cross-country faults in systems using arc suppression coils
R Burgess, A Ahfock - IET generation, transmission & distribution, 2011 - IET
Arc suppression coil systems are able to improve the high-voltage system reliability and
safety. One of the reasons why these systems are not more widely used is the occurrence of …
safety. One of the reasons why these systems are not more widely used is the occurrence of …
Petersen coil regulators analysis using a real-time digital simulator
M Brenna, E De Berardinis, LD Carpini… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
In order to study new technologies, in sight of smart grids, and for new regulation, protection,
and control devices homologation tests, it becomes essential to use a real-time digital …
and control devices homologation tests, it becomes essential to use a real-time digital …
Statistical Assessment of Electric Shock Hazard in MV Electrical Power Substations Supplied from Networks with Non-Effectively Earthed Neutral Point
This paper focuses on the evaluation of the electric shock hazard accompanying earth faults
in a non-effectively earthed medium-voltage (MV) electrical power network. This hazard …
in a non-effectively earthed medium-voltage (MV) electrical power network. This hazard …
Effect of Neutral Grounding Protection Methods for Compensated Wind/PV Grid‐Connected Hybrid Power Systems
The effects of the wind/PV grid‐connected system (GCS) can be categorized as technical,
environmental, and economic impacts. It has a vital impact for improving the voltage in the …
environmental, and economic impacts. It has a vital impact for improving the voltage in the …
Mathematical modeling of new algorithms for single-phase earth faults protection in a compensated electrical network
New algorithms have been developed for selective protection against phase-to-earth faults
in power supply systems of 6–35 kV. In such, due to the impact of an arc-suppressing …
in power supply systems of 6–35 kV. In such, due to the impact of an arc-suppressing …
Clarke transform based fast assessment of switching overvoltages in an MV distribution network
The paper investigates the use of the Clarke transform in time-domain simulations, namely
the evaluation of transient overvoltages in medium voltage (MV) distribution networks. A …
the evaluation of transient overvoltages in medium voltage (MV) distribution networks. A …