A Syntax and Semantics of a Language for Operational Procedures

Parise, Giuseppe; Hesla, Erling

doi:10.1109/tia.2012.2229453

Cited by 9 publications

(6 citation statements)

References 15 publications

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“…Electrical sources are of the same family by definition if they have the capability to run in parallel [15].…”

Section: Integrity In Electrical Operations: Analogy Between Multiple...mentioning

confidence: 99%

“…The complex architecture of a power system has to be designed and programmed and not left to chance. The operation of the source switches (symbol § in the figures) is not free but requires authorization (authorized sets) [10], [15].…”

Section: Integrity In Electrical Operations: Analogy Between Multiple...mentioning

confidence: 99%

“…), and loads (motors, equipment, lights, etc. ; sourcedependent loads or source-independent loads with rechargeable battery; single or dual corded equipment, available to a single or double supply, respectively [15]).…”

Section: Introduction: the Microsystemic Approachmentioning

confidence: 99%

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Transition Theory in Operation of Electrical Installations

Parise

Hesla²

2013

IEEE Trans. on Ind. Applicat.

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In the operation of electrical installations, risk assessment evaluates hazards and conflicts. A kinematics analogy for analyzing the risk of "collisions" offers a new approach for operational procedures and allows the introduction of a "transition" theory for intersections. The architecture of electrical installations can be designed in increasing complexity related to its exigencies, taking actions on multiple sources and on the configuration. Analogies between the operation of highway intersections of multiple traffic lanes and the operation of nodes of electrical power systems are proposed as offering an equivalent well-known way for examining constraints in the transitions, for facilitating the understanding of the mathematical description, and for suggesting new approaches and new methodologies for solutions. Automatic transfer switches also assisted by engine generators and UPSs are available as basic equipment to support transitions. This paper describes the special configuration of the node "double two," constituted by two automatic transfer switches connectible in parallel

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“…Electrical sources are of the same family by definition if they have the capability to run in parallel [15].…”

Section: Integrity In Electrical Operations: Analogy Between Multiple...mentioning

confidence: 99%

Section: Integrity In Electrical Operations: Analogy Between Multiple...mentioning

confidence: 99%

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Transition Theory in Operation of Electrical Installations

Parise

Hesla²

2013

IEEE Trans. on Ind. Applicat.

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“…If one source or distributor or cord fails, the system has to operate a transition; in fact, the total load has to be picked up by the other dual component (source or distributor or cord) [9].…”

Section: Introductionmentioning

confidence: 99%

Electrical Distribution for a Reliable Data Center

Parise

2013

IEEE Trans. on Ind. Applicat.

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For the reliability of data centers, the electrical distribution architecture has a vital impact on performances throughout its life cycle. Special standards establish tier classifications for the site infrastructures. The switchboard (SWB) design needs to plan the load balancing, the future expansion and rehabilitation of the distribution (road map), and periodic maintenances without loss service continuity. The protection must be coordinated for the selectivity of the fault on the final circuits to ensure service continuity of the whole system. Equipment like electronic components exhibits excessive inrush currents at start-up that request a rating current value higher than the load current value. Maintaining for many years a protection coordination tolerant to the initial inrush current, it is a technical inadmissible inaccuracy for the data center service. The failure of a final circuit not adequately selected and cleared can cause an impact on the fault selectivity on the SWB section or all the uninterruptible power system supply. Starting systems for equipment should be adopted to solve the problem of inrush current and to allow an adequate protection coordination for the long service of the data center.

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“…); -loads (motors, equipment, lights, etc. ; source dependent loads or source independent loads with rechargeable battery; equipment single or dual corded, available to a single or double supply respectively [5]. The sources can play different roles in emergency or in transitions: -they can be common sources, as public electrical sources that have to maintain a coherence of behavior for all the supplied users (system voltage, phase angle and frequency in a.c.); -or they can be local sources, as engine generators or UPSs that can have a flexible coherence of behavior to satisfy the local user.…”

Section: Introductionmentioning

confidence: 99%

Transitions theory in operation of electrical installations

Parise¹,

Hesla²

2012

48th IEEE Industrial &Amp; Commercial Power Systems Conference

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In the operation of electrical installations risk assessment evaluates hazards and conflicts. A kinematics analogy for analyzing risk of “collisions” offers a new approach for operational procedures and allows introduction of a “transitions” theory for intersections. The architecture of electrical installations can be configured in increasing complexity related to its exigencies, taking actions on the sources and on the configuration. Analogies between the operation of highway intersections of multiple traffic lanes and the operation of nodes of electrical power systems are proposed as offering an equivalent well-known way for examining constraints in the transitions, for facilitating the understanding of the mathematical description and suggesting new approaches and new methodologies for solutions. The paper describes the special configuration of the node “double two”, constituted by two automatic transfer systems (ATS's) connectible in parallel

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A Syntax and Semantics of a Language for Operational Procedures

Cited by 9 publications

References 15 publications

Transition Theory in Operation of Electrical Installations

Transition Theory in Operation of Electrical Installations

Electrical Distribution for a Reliable Data Center

Transitions theory in operation of electrical installations

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