A Practical SF>sub/sub< Circuit Breaker Arc Model for Studying Shunt Reactor Switching Transients

2006 ◽  
Author(s):  
G.W. Chang ◽  
H.M. Huang
Keyword(s):  
Circuit Breaker ◽  
Shunt Reactor ◽  
Arc Model

Arc Model to Evaluate D.C. Interruption Performance for Molded Case Circuit Breaker

2018 ◽  
Vol 138 (6) ◽  
pp. 529-534
Author(s):  
Yoshihisa Ogawa ◽  
Tadashi Koshizuka ◽  
Koichi Asakusa ◽  
Tsuyoshi Wakasa
Keyword(s):  
Circuit Breaker ◽  
Arc Model

Cascaded HVDC gaseous circuit breaker performance using black box arc model

2021 ◽  
Author(s):  
Osama E. Gouda ◽  
Ghada Amer ◽  
Mohamed Awaad ◽  
Manar Ahmed
Keyword(s):  
Circuit Breaker ◽  
Black Box ◽  
Arc Model

scholarly journals Application of an Improved Mayr-Type Arc Model in Pyro-Breakers Utilized in Superconducting Fusion Facilities

Energies ◽  
2021 ◽  
Vol 14 (14) ◽  
pp. 4383
Author(s):  
Jun He ◽  
Ke Wang ◽  
Jiangang Li
Keyword(s):  
Power Systems ◽  
Computer Aided Design ◽  
Circuit Breaker ◽  
Black Box ◽  
Driving Mechanism ◽  
Change Rate ◽  
Arc Model ◽  
Arc Behavior ◽  
Current Change ◽  
Aided Design

Pyro-breaker, a fast-responding, highly reliable and explosive-driven circuit breaker, is utilized in several Quench Protection Systems (QPS). The commutation process and its parameters are the main technical considerations in the process of designing a new pyro-breaker. The commutation parameters, such as the commutation time and the current change rate, are not only determined by the electrical parameters of the commutation circuit but also the arc behavior during the operation. The arc behavior is greatly affected by the structure and the driving mechanism of the Commutation Section (CS) in the pyro-breaker. The arc model was developed decades ago and the black-box arc model is considered a valid method to study arc behavior. In this paper, the Schavemaker black-box arc model, an improved Mayr-type arc model, is applied to study the commutation process of a newly designed pyro-breaker. Unlike normal circuit breakers, the arc discussed in this paper is discharged in deionized water. A parameter selection method is proposed. The practicability of the method is verified by numerical calculation in Power Systems Computer Aided Design (PSCAD) and experimentally.

Arc Model for CO2-O2 Gas Circuit Breaker and Prediction of SLF Interrupting Performance

2021 ◽  
Vol 141 (7) ◽  
pp. 535-540
Author(s):  
Kyoya Nonaka ◽  
Tadashi Koshizuka ◽  
Kunihiko Hidaka ◽  
Keisuke Udagawa ◽  
Toshiyuki Uchii
Keyword(s):  
Circuit Breaker ◽  
Arc Model

scholarly journals Investigation and Mitigation of Temporary Overvoltage Caused by De-Energization on an Offshore Wind Farm

Energies ◽  
2020 ◽  
Vol 13 (17) ◽  
pp. 4439
Author(s):  
Ajibola Akinrinde ◽  
Andrew Swanson ◽  
Innocent Davidson
Keyword(s):  
Wind Farm ◽  
Phase Plane ◽  
Circuit Breaker ◽  
Offshore Wind ◽  
Offshore Wind Farm ◽  
Circuit Breakers ◽  
Shunt Reactor ◽  
Point Of Common Coupling ◽  
Common Coupling ◽  
Transformer Core

The Ferranti effect could cause a rise in voltage along the cables on a wind farm if the circuit breakers at the receiving ends are switched off. Ferroresonance could also occur due to stuck pole(s) of the circuit breaker during de-energization. This paper reports on the temporary overvoltage (TOV) arising from the de-energization of the circuit breaker connecting the wind turbine to the feeder, the feeder breaker connecting an array of wind turbines to the point of common coupling (PCC), and the opening of the circuit breaker connecting the onshore to the offshore substation. Ferroresonance was characterized using a phase plane diagram and Poincaré map and was identified to be chaotic. The effect of the nonlinear characteristic of the wind transformer core on the ferroresonant overvoltage was examined and increased with the steepness of slope of the transformer curve. A damping resistor, shunt reactor and surge arrester were used to mitigate the overvoltage experienced during the ferroresonant event. The damping resistor was able to reduce the overvoltage to 1.24 P.U. and damped the ferroresonance from chaotic to fundamental mode.

scholarly journals Investigation on the Influence of Gas Pressure on CO2 Arc Characteristics in High-Voltage Gas Circuit Breakers

2017 ◽  
Vol 4 (1) ◽  
pp. 95-98
Author(s):  
Z. Guo ◽  
X. Li ◽  
Y. Zhang ◽  
X. Guo ◽  
J. Xiong
Keyword(s):  
High Voltage ◽  
Power Loss ◽  
Circuit Breaker ◽  
Filling Pressure ◽  
Gas Pressure ◽  
Circuit Breakers ◽  
Promising Alternative ◽  
Arc Model ◽  
Arc Characteristics ◽  
Temperature Distributions

CO<sub>2</sub> is identified as a promising alternative gas of SF<sub>6</sub>. The magnetohydrodynamics (MHD) arc model is established for a CO<sub>2</sub> circuit breaker. The influence of gas pressure is studied. The simulations are carried out for 0.5 MPa, 0.7 MPa and 0.9 MPa absolute filling pressure, allowing predictions of pressure and temperature distributions. The arc time constant θ and the power loss coefficient <em>Q</em> is extracted. The thermal interruption capability is estimated to grow with increasing filling pressure.

Prevention of reignition overvoltages by phase-angle-controlled switching of a gas circuit breaker at shunt reactor current interruption

1993 ◽  
Vol 113 (5) ◽  
pp. 14-23
Author(s):  
Yoshifumi Yamagata ◽  
Tsutomu Kumagai ◽  
Susumu Nishiwaki ◽  
Hiroaki Toda ◽  
Masayuki Ishikawa ◽  
...  
Keyword(s):  
Phase Angle ◽  
Circuit Breaker ◽  
Current Interruption ◽  
Shunt Reactor ◽  
Controlled Switching
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