The TRV Improvement of Fast Circuit Breakers Using Solid-State Series Superconducting Reactor

Heidary, Amir; Yazdani-Asrami, Mohammad; Hesami, Morteza; Sood, Vijay K.

doi:10.1109/tpwrd.2022.3211778

Cited by 11 publications

(6 citation statements)

References 24 publications

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“…Time delay over current relays is used to protect many radial systems. The breaker closest to the fault point can be chosen with an adjustable time delay, while other upstream breakers with longer time delays stay closed [8]. In other words, the relays can be programmed to run sequentially to interrupt the least amount of load during a fault.…”

Section: Introductionmentioning

confidence: 99%

“…When fault currents are significantly greater than normal currents, relay coordination is considered successful [9]. Additionally, the coordination of overcurrent relays often restricts the number of breakers in a radial system to five or fewer, as any more breakers could result in an excessively long delay for the relay that is nearest to the source [8].…”

Section: Introductionmentioning

confidence: 99%

“…It is crucial to verify the settings of power protection equipment and to ensure its operation under various fault scenarios to prevent negative things from happening. In this small work, MATLAB/Simulink is used to model the overcurrent relay [8], [10]. The main purpose of this work is to analyze the applications of the definite time over-current (DTOC) on various types of faults by using the MATLAB/Simulink.…”

Section: Introductionmentioning

confidence: 99%

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Definite time over-current protection on transmission line using MATLAB/Simulink

Taha,

Zaynal,

T. Hussain

et al. 2024

Bulletin EEI

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This paper has investigated the application of the definite time over-current (DTOC) which reacts to protect the breaker from damage during the occurrence of over-current in the transmission lines. After a distance relay, this kind of over-current relay is utilized as backup protection. The overcurrent relay will provide a signal after a predetermined amount of time delay, and the breaker will trip if the distance relay does not detect a line failure. As a result, this over-current relay functions with a time delay that is just slightly longer than the combined working times of the distance relay and the breaker. This DTOC is tested for various types of faults which are 3- phase fault occurring at load 1, 3-phase fault occurring at load 2, a 3-phase fault occurring before primary protection, and the behaviour of voltage and current with a failed primary protection. All the results will be obtained using the MATLAB/Simulink software package.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Definite time over-current protection on transmission line using MATLAB/Simulink

Taha,

Zaynal,

T. Hussain

et al. 2024

Bulletin EEI

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“…In order to ensure the continued reliability and safe operation of the power system, in terms of the robustness of components against short-circuit faults, the employment of fault current limiters (FCLs) is one of the most effective solutions [3,4]. Various types of FCLs have been proposed over the years, such as the reactor type [5], solid state type [6], superconductor type [7], and hybrid topologies [8]. The focus of this paper is on bridge-type DC reactor FCLs (BDCR-FCLs), which have gained popularity in the past years due to their superior capabilities.…”

Section: Introductionmentioning

confidence: 99%

Multifaceted Functionalities of Bridge-Type DC Reactor Fault Current Limiters: An Experimentally Validated Investigation

Behdani,

Moghim,

Mousavi

et al. 2024

Energies

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With the ongoing expansion and interconnection of electrical power systems, alongside the rapid proliferation of renewable distributed generations (DGs), the short-circuit extent in the power grid is experiencing a significant rise. Fault current limiters (FCLs) have been introduced in an effort to address this issue, ensuring the robustness and sustainability of expensive power system components when confronted with short-circuit faults. Among the various types of FCLs, bridge-type DC reactor fault current limiters (BDCR-FCLs) have emerged as one of the most promising options. While BDCR-FCLs have shown excellent properties in limiting harmful short-circuit currents, they are also advantageous in other respects. This paper investigates the supplementary functionalities of BDCR-FCLs as a multifaceted device towards the enhancement of the quality of supplied energy in terms of total harmonic distortion (THD) reduction, power factor (PF) correction, peak current reduction for nonlinear loads, and soft load variation effects, as well as their capability to limit fault current. To this aim, the capabilities of BDCR-FCLs have been studied through various simulated case studies in PSCAD/EMTDC software V5.0.1, in addition to experimental tests considering an AC microgrid connected to a DC system. The experimental and simulation investigations verify the superior multifaceted functionalities BDCR-FCLs introduce in addition to their excellent fault current-limiting capabilities. The results show that PF improved by 6.7% and 7%, respectively, in simulation and experimental tests. Furthermore, the current THD decreased by 20% and 18% in the simulation and experiment, respectively.

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“…1) Superconducting FCL technology [14]: This type of FCLs is based on superconducting resistor or reactors to protect BESS [8], [15], [16]. 2) Series transformer fault current limiter (STFCL) [8] is the type of FCL where its primary side is connected in series to a power line and its secondary side is connected to a control system [17], [18], [19].…”

mentioning

confidence: 99%

The Principles of Controlled DC-Reactor Fault Current Limiter for Battery Energy Storage Protection

Heidary

Popov

Moghim³

et al. 2024

IEEE Trans. Ind. Electron.

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The significance of battery energy storage systems (BESSs) technology has been growing rapidly, mostly due to the need for microgrid applications and the integration of renewables. Relevant to the importance of utilization of BESS in microgrids, the protection of the BESS during microgrid faults has become a concern too. The short circuit in a microgrid cause overcurrent for all of the integrated sources. BESS, as one of the sources in the microgrid, is heavily influenced by fault occurrence. The overcurrent can easily damage power electronic converter switches, battery management systems, and damage battery banks. Fault current limiters are appropriate protection devices that have been massively studied. In this article, we propose a controllable reactor fault current limiter (CRFCL) to protect the BESS against fault currents. The proposed CRFCL can control the fault current value supplied by BESS during a fault condition as a current regulator. It is realized by means of the operation of solid-state switches and series dc-reactor behavior. The main achievement of CRFCL is the protection of BESS against fault currents without delay. The simulations of the proposed structure are carried out in a MATLAB/Simulink platform, and they are confirmed and validated by experimental test results.

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The TRV Improvement of Fast Circuit Breakers Using Solid-State Series Superconducting Reactor

Cited by 11 publications

References 24 publications

Definite time over-current protection on transmission line using MATLAB/Simulink

Definite time over-current protection on transmission line using MATLAB/Simulink

Multifaceted Functionalities of Bridge-Type DC Reactor Fault Current Limiters: An Experimentally Validated Investigation

The Principles of Controlled DC-Reactor Fault Current Limiter for Battery Energy Storage Protection

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