Design and Simulation of a Highly Reliable Modular High-Power Current Source

Zhou, Qing; Xu, Yuelei; Xin, Qi; Zhang, Zhaoxiang

doi:10.3390/en15228593

Cited by 4 publications

(1 citation statement)

References 32 publications

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“…The power supply quality, i.e., decays, dips, network harmonics content, etc., constitutes an important issue related to electricity supply [48,86,87]. ESS power supplies should be equipped with elements protecting the entire energy transmission chain [88][89][90]. The authors, however, were not able to not come upon data that would take into account the interference in the natural environment [1,91,92].…”

Section: Overview Of Operational Issues Related To Power Supplymentioning

confidence: 99%

The Dynamic Change in the Reliability Function Level in a Selected Fire Alarm System during a Fire

Paś,

Klimczak,

Rosiński

et al. 2024

Sensors

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This article discusses fundamental issues associated with the functional reliability of selected fire alarm systems (FASs) in operation during building fires. FASs operate under diverse external or internal natural environmental conditions, and the operational process of FAS should take into account the impacts of physical phenomena that occur during fires. Their operation is associated with the constant provision of reliability. FAS designers should also consider the system’s reliability when developing fire control matrices, tables, algorithms, or scenarios. All functions arising from an FAS control matrix should be implemented with a permissible reliability level, RDPN(t), prior to, as well as during, a fire. This should be assigned to the controls saved in the fire alarm control unit (FCP). This article presents the process by which high temperatures generated during a fire impact the reliability of FAS functioning. It was developed considering selected critical paths for a specific scenario and the control matrix for an FAS. Such assumptions make it possible to determine the impact of various temperatures generated during a fire on the reliability of an FAS. To this end, the authors reviewed that the waveform of the R(t) function changes for a given FAS over time, Δt, and then determined the fitness paths. The critical paths are located within the fire detection and suppression activation process, using FAS or fixed extinguishing devices (FEDs), and the paths were modeled with acceptable and unacceptable technical states. The last section of this article defines a model and graph for the operational process of a selected FAS, the analysis of which enables conclusions to be drawn that can be employed in the design and implementation stages.

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Section: Overview Of Operational Issues Related To Power Supplymentioning

confidence: 99%

The Dynamic Change in the Reliability Function Level in a Selected Fire Alarm System during a Fire

Paś,

Klimczak,

Rosiński

et al. 2024

Sensors

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Circulating Current in Parallel Connected Active Front End (AFE) Converters - Simulation Study

Koszel,

Grzejszczak,

Brzostek

2023

2023 Progress in Applied Electrical Engineering (PAEE)

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Issues Related to Power Supply Reliability in Integrated Electronic Security Systems Operated in Buildings and Vast Areas

Paś

2023

Energies

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The article presents basic issues associated with the power supply of integrated electronic security systems (IESS) operated in various facilities. Ensuring the reliability of an IESS power supply is an important issue associated with the operation of these systems that are responsible for the safety of people, accumulated property, natural environment, and cooperating structures—e.g., storage facilities. IESSs are operated under harsh external or internal environmental conditions. In such a case, we are dealing with processes of beneficial or adverse impact, which actively affects IESS operation. The IESS operation process is also associated with ensuring power supply continuity under normal operating conditions. This also means ensuring transition to backup power supply systems in the event of failures. Therefore, an IESS should exhibit high reliability related to the power supply process. To this end, the article presents two representative IESSs operated in buildings and in a vast area. The analysis covered the processes of power supply from basic energy sources (BES) and backup sources in cases of failures. The further segment of the article describes developed models of these power systems with acceptable and unacceptable technical states associated with an IESS power supply. The last section of the article defines a model and graph of a selected IESS operation process and describes a conducted computer simulation associated with operational safety. Such an operation process analysis enabled drawing conclusions that can be utilized throughout the entire IESS operation process.

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Design and Simulation of a Highly Reliable Modular High-Power Current Source

Cited by 4 publications

References 32 publications

The Dynamic Change in the Reliability Function Level in a Selected Fire Alarm System during a Fire

The Dynamic Change in the Reliability Function Level in a Selected Fire Alarm System during a Fire

Circulating Current in Parallel Connected Active Front End (AFE) Converters - Simulation Study

Issues Related to Power Supply Reliability in Integrated Electronic Security Systems Operated in Buildings and Vast Areas

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