Simulation and analysis of a gas insulated switchgear explosion accident caused by a failure of high‐voltage circuit breaker in a thermal power plant<? show [AQ ID …

X Zhang, K Dai, W Niu, R Xie, H Zeng… - The Journal of …, 2019 - Wiley Online Library
… at 9:42:48, indicating a short circuit happened in the system. … will be in good agreement with
the laboratory measurements. … voltage as the output value of trip is 1, which represents the …

Analysis and Experimental Validation of Bidirectional Z-Source DC Circuit Breakers

SG Savaliya, BG Fernandes - IEEE Transactions on Industrial …, 2019 - ieeexplore.ieee.org
… are largely dependent on the design of an arc chamber. Also, the … Also, a manual tripping
mechanism was presented to protect … Test results were found to be in close agreement with the …

Parametric analysis of the hybrid HVDC circuit breaker

JA Martinez-Velasco, J Magnusson - … Journal of Electrical Power & Energy …, 2017 - Elsevier
main results obtained from a parametric analysis based on a simplified representation of both
the circuit breaker … The plots show how as soon as a fault condition is detected, a trip signal …

Development and testing of EHV mechanical DC circuit breaker

S Tokoyoda, T Inagaki, H Sadakuni… - … on Electric Power …, 2019 - ieeexplore.ieee.org
… program under grant agreement No. 691714. A test … of PAC were carried out as a indicator
which shows the influence of both … , a trip command is issued to the DC circuit breaker and an …

Operating DC circuit breakers with MMC

O Cwikowski, A Wood, A Miller… - … on Power Delivery, 2017 - ieeexplore.ieee.org
… 11, indicating that only two of the phases are capable of … vary depending on the dc grid
arrangement, as will be discussed in … The cable voltage varies due to travelling waves that are still …

High-voltage circuit breakers technical state patterns recognition based on machine learning methods

AI Khalyasmaa, MD Senyuk… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… the technical state of a circuit breaker based on data taken on-… voltage of trip and close coils;
the course of the main contacts… Initial data blocks listed above were preliminary arranged in …

Influences of secondary arc-based grading capacitor of multi-break circuit breaker on the transient stability of power system

Q Sun, Z Xiao, J Fan, F Wang, S Chen, Y Zhai - International Journal of …, 2019 - Elsevier
… four reactor scheme and the hybrid single phase trip scheme. The former is flexible and …
arrangement and control. No additional hardware is required for the hybrid single phase trip

A multiport dc circuit breaker for high-voltage dc grids

Y Guo, H Li, G Gu, D Zeng… - IEEE Journal of Emerging …, 2020 - ieeexplore.ieee.org
… failure may occur, such as failure to trip and failure to clear [27]… near 1 through a reasonable
device layout. In the analysis, … that of the existing MDCB, indicating a significant interruption …

[图书][B] Switchgear & Protection

UA Bakshi, MV Bakshi - 2020 - books.google.com
… All chapters in this book are arranged in a proper sequence that … This inturn closes the trip
circuit of a circuit breaker. The … The protective relaying also provides the indication of location …

Optimization and control of a z-source, ultrafast mechanically switched, high-efficiency dc circuit breaker

L Mackey, MRK Rachi, C Peng… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
… fuse with only an instantaneous trip curve. Longtime … Several key contributions incorporated
in the proposed design … load for a system with this DCCB arrangement, the derivative of the …