Protection and Dynamic Analysis during Bottom-Up Restoration Process in MV/LV Microgrids

Banerjee, Gourab; Klingmann, Alexander; Valov, Maria; Lafferte, Darío; Hachmann, Christian; Braun, Martin

doi:10.1109/sest.2019.8849086

Cited by 2 publications

(2 citation statements)

References 13 publications

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“…One of the most important case for the fault is when the diesel generator (DG) starts ride through a voltage disturbance on different section. To overcome this problem, the DG should ride in series in different continuous voltage ratings and it can be summarized as repeating period when the fault is present [42,43,44]. System should be protected from bi-directional flow of current when conventional power source and battery work as a source simultaneously.…”

Section: Protectionmentioning

confidence: 99%

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Comprehensive Analysis of Planning Operation and Protection of Microgrid Systems

Muzzammel

2020

JENRR

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Microgrid is a decentralized system in which electrical sources and loads are connected in a way that operates normally in connection with and in synchronous with conventional grid. This system has the ability to work autonomously by disconnecting from conventional grid in island mode. Microgrid offers large number of advantages in power system. Among them, integration of renewable energy sources, reliability, two-way power flow and cost effectiveness are the significant merits of microgrids. Besides its advantages, different challenges are associated with the planning, operation and protection of microgrid systems. Safe two-way power flow, reliable switching of renewable energy, optimal power flow, quick isolation of faulty part from healthy system and incorporation of energy mix modeling are the major challenges behind its real time implementation. In this research, comprehensive analysis is carried out on the planning, operation and protection of microgrid model. A test system is developed in Matlab/ Simulink in which solar power source, wind power source and diesel power source are modelled and connected to residential, commercial and industrial loads. Optimal power flow is achieved through Newton’s method. In addition to this, operation of microgrid test system is ensured by the observation of voltage, current and power under steady state and transient conditions of wind based power generation, DC and AC parameters for solar power generation and generation and demand of power in the case of diesel based power generation within acceptable limits. Circuit breakers are installed to ensure protection against faults. Priority is made on the basis of promotion of renewable energy sources. Moreover, realization of microgrid is depicted with its hardware prototype.

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Section: Protectionmentioning

confidence: 99%

“…It is protected by using a variable resistor which doesn't allow the current to pass through it. Whenever circuit is shorted at that moment, current will be maximum [42,45,46,47].…”

Section: Protectionmentioning

confidence: 99%

Comprehensive Analysis of Planning Operation and Protection of Microgrid Systems

Muzzammel

2020

JENRR

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A review on adaptive power system protection schemes for future smart and micro grids, challenges and opportunities

Islam,

Kim,

Abu-Siada

2024

Electric Power Systems Research

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Protection and Dynamic Analysis during Bottom-Up Restoration Process in MV/LV Microgrids

Cited by 2 publications

References 13 publications

Comprehensive Analysis of Planning Operation and Protection of Microgrid Systems

Comprehensive Analysis of Planning Operation and Protection of Microgrid Systems

A review on adaptive power system protection schemes for future smart and micro grids, challenges and opportunities

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