A Novel Arcing Power-Based Algorithm for Condition Monitoring of Electrical Wear of Circuit Breaker Contacts

Feizifar, Behnam; Usta, Ömer

doi:10.1109/tpwrd.2018.2882013

Cited by 20 publications

(11 citation statements)

References 16 publications

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“…Constant parameters of the simulated lines. Arc constant parameters of the simulated CB.Meanwhile, it is worth mentioning that the voltage and current signals obtained from simulation studies illustrated in Figures4 and 5are in accordance with those measured from real-time tests presented in[27][28][29].…”

supporting

confidence: 78%

A new failure protection algorithm for circuit breakers using the power loss ofswitching arc incidents

Feizifar¹,

Usta²

2019

Turk J Elec Eng & Comp Sci

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The principal function of circuit breakers (CBs) is to isolate a portion of the power network from the rest of it in a timely manner following an opening command. Any failure in the opening operation of CBs, especially following a fault condition, will almost certainly result in a catastrophic event. Therefore, the issue of failure detection of CBs is essential and has a vital role in power system protection. This paper presents a novel power-based algorithm for failure detection of CBs. The power loss of CBs due to an arcing event increases as the arcing time gets longer. The arcing time of CBs increases with defective operations originating from any failure or malfunction for different reasons. The proposed method uses the power difference between the input and output terminals of CBs to calculate the power loss due to an arcing event, which can then be used to estimate the arcing energy. A trip signal is initiated whenever the estimated arcing energy for a single opening operation reaches a predefined trip level, which shows a failure in CB operation. This predefined trip value is related to the integration of the maximum power capacity of the CB during an opening operation time. Computer simulation studies conducted to analyze the performance of the proposed technique demonstrate that the algorithm is capable of discriminating between normal and abnormal arcing energies and thus identifying malfunctions or failures in the opening operations of CBs.

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confidence: 78%

A new failure protection algorithm for circuit breakers using the power loss ofswitching arc incidents

Feizifar¹,

Usta²

2019

Turk J Elec Eng & Comp Sci

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“…A topology for studying short line faults (SLFs) is simulated by the electro-magnetic transient program-restructured version (EMTP-RV) [13]. The source side consists of a voltage source with reactance, a transient recovery voltage (TRV) branch, and a time delay capacitance.…”

Section: Computer Simulation Studiesmentioning

confidence: 99%

A New Algorithm for Detecting Failure to Clear Mode of Circuit Breakers Using Fundamental Frequency Component of Voltage Signals

Feizifar

Müller

Usta

2020

IEEE Trans. Power Delivery

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This paper introduces a new algorithm for the early detection of abnormal arcing conditions of circuit breakers (CBs). Any interruption with a higher arcing time compared to maximum permissible arcing time (MPAT) of CB is defined as a CB failure to clear mode. Measuring CB arcing time is not easy because there is no control on the mechanical opening and closing instants of CB contacts. Nevertheless, there is a correlation between the spectral energy densities of CB arcing voltages and arcing times of CB. This correlation is used by calculating the spectral energy densities of the instantaneous system voltage and the instantaneous CB voltage across its terminals utilizing discrete Fourier transform (DFT) for two periods of the system frequency. The difference between the spectral energy densities at the fundamental frequency is defined as a criterion for identifying a failure to clear mode. Whenever this criterion exceeds a predefined trip level, it indicates the occurrence of a failure to clear mode. In this situation, a trip signal is initiated for adjacent CBs to isolate the faulted CB and the fault. The results obtained from computer simulations and measurements show that the algorithm discriminates between normal and abnormal arcing conditions of CB.

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“…It is also aimed at the overall understanding of the distribution line reliability. During the interruption, there is an arc between low-voltage circuit breaker contacts, which causes contact wear because of arc erosion [17,18]. The arcing time and arc current are the major factors of arc erosion.…”

Section: Introductionmentioning

confidence: 99%

Study on the Influence of Reignition on Electrical Life Distribution of Low-Voltage Circuit Breakers

2021

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This study analyzes the recovery voltage changes when a low-voltage circuit breaker opens with load and short-circuit faults and explains the reignition types under different recovery voltages. Reignition probability models of a single-pole contact and three-pole contact under different reignition types are established. The variation law of the contact erosion amount with the arc starting phase angle is analyzed. The distribution characteristics of the electrical life under three reignition types are obtained by simulating the low-voltage circuit breaker electrical life with a random arc starting phase angle. The results show that the electrical life of contacts obviously decreases after reignition, and that the electrical life changes differently with different reignition types. Specifically, the electrical life of a single-pole contact and three-pole contact is reduced by different degrees for the same reignition type. Hence, the influence of reignition on the electrical life distribution characteristics of a low-voltage circuit breaker cannot be ignored. INDEX TERMSElectrical life distribution, low-voltage circuit breaker, recovery voltage, reignition probability model.

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A Novel Arcing Power-Based Algorithm for Condition Monitoring of Electrical Wear of Circuit Breaker Contacts

Cited by 20 publications

References 16 publications

A new failure protection algorithm for circuit breakers using the power loss ofswitching arc incidents

A new failure protection algorithm for circuit breakers using the power loss ofswitching arc incidents

A New Algorithm for Detecting Failure to Clear Mode of Circuit Breakers Using Fundamental Frequency Component of Voltage Signals

Study on the Influence of Reignition on Electrical Life Distribution of Low-Voltage Circuit Breakers

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