A review on Thomson coil actuators in fast mechanical switching
M Al-Dweikat, J Cui, S Sun, M Yang, G Zhang, Y Geng - Actuators, 2022 - mdpi.com
With the rapid development of DC power systems and the increasing demand for DC circuit
breakers, electromagnetic repulsive drives-based Thomson coil actuators (TCA) are widely …
breakers, electromagnetic repulsive drives-based Thomson coil actuators (TCA) are widely …
Series LC DC circuit breaker
D Jovcic - High Voltage, 2019 - Wiley Online Library
The article proposes a mechanical DC circuit breaker (CB) based on a series LC circuit. It
requires two switches (a fast disconnector and an AC circuit breaker), an inductor and a …
requires two switches (a fast disconnector and an AC circuit breaker), an inductor and a …
Reducing peak current and energy dissipation in hybrid HVDC CBs using disconnector voltage control
Peak fault current and energy dissipation in high-voltage direct current (HVdc) circuit
breakers (CBs) are very important parameters that impact dc grid protection development …
breakers (CBs) are very important parameters that impact dc grid protection development …
A natural commutation current topology of hybrid HVDC circuit breaker integrated with limiting fault current
X Zhang, C Zhuo, X Yang - IET Generation, Transmission & …, 2023 - Wiley Online Library
The high‐voltage direct current (HVDC) power transmission short‐circuit fault protection is a
big challenge, and it is the main obstacle to promote the HVDC multi‐terminal networks. A …
big challenge, and it is the main obstacle to promote the HVDC multi‐terminal networks. A …
Fast commutation of DC current into a capacitor using moving contacts
D Jovcic - IEEE Transactions on Power Delivery, 2019 - ieeexplore.ieee.org
This paper describes a method of fast commutation of DC current into a capacitor.
Theoretical study is provided, which enables evaluation of commutating DC current for the …
Theoretical study is provided, which enables evaluation of commutating DC current for the …
Bidirectional hybrid HVDC CB with a single HV valve
This paper examines two new bidirectional hybrid dc circuit breaker (CB) topologies for
application in meshed dc grids. The goal is to retain performance of hybrid dc CB with …
application in meshed dc grids. The goal is to retain performance of hybrid dc CB with …
Investigation of the Electromagnetic Force and Contact Spring in Rotational Ultra-Fast Disconnector in Railway DC Circuit Breaker
SH Khalkhali, AAR Kazemi… - IEEE Transactions on …, 2025 - ieeexplore.ieee.org
The Ultra-Fast Disconnector (UFD) is a critical component in hybrid DC circuit breakers
(DCCBs), facilitating a low-loss current path. The UFD's operation speed directly impacts the …
(DCCBs), facilitating a low-loss current path. The UFD's operation speed directly impacts the …
Design and Operation of Pulse Forming Network as Drive Circuit for Thomson Coil Actuator Used for High Voltage DC Circuit Breakers
Thomson coil (TC) actuators are well studied for ultra-fast disconnectors (UFDs) where quick
operation is desired, such as for hybrid high voltage direct current circuit breaker (HVDC CB) …
operation is desired, such as for hybrid high voltage direct current circuit breaker (HVDC CB) …
A low-loss integrated circuit breaker for HVDC applications
Hybrid dc circuit breakers (HCBs) are recognized as suitable devices for protecting high-
voltage direct-current (HVDC) systems, along with other dc circuit breakers (DCCB) …
voltage direct-current (HVDC) systems, along with other dc circuit breakers (DCCB) …
A DC fault current fast-computing method of MMC-HVDC grid with short circuit protection equipment
X Zhang, X Yang, C Zhuo - Frontiers in Energy Research, 2024 - frontiersin.org
The multi-terminal modular multi-level converter-based high voltage direct current (MMC-
HVDC) grid with short circuit protection equipment (SCPE) is so complex that it is difficult to …
HVDC) grid with short circuit protection equipment (SCPE) is so complex that it is difficult to …