Determination of frequency decay rates during periods of generation deficiency

Baldwin, M. S.; Schenkel, H.S.

doi:10.1109/t-pas.1976.32074

Cited by 25 publications

(1 citation statement)

References 2 publications

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“…The program reportedly optimizes the system wide load shed schedule, also checking up its coordination with a steam turbine-generator underfrequency protection scheme. In [3], a method for determining the maximum probable rates at which a power system frequency will decay, following a disturbance, is presented. Such an analysis is chiefly directed to provide underfrequency protection for nuclear power plants.…”

Section: Introductionmentioning

confidence: 99%

Load Shedding Application within a Microgrid to Assure Its Dynamic Performance during Its Transition to the Islanded Mode of Operation

Ramos

Carpio-Huayllas

Vasquez-Arnez³

2013

EPE

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This article presents the simulation results and analysis related to the response of the generators within a microgrid towards an accidental overload condition that will require some load shedding action. A microgrid overload can occur due to various reasons ranging from poor load schedule, inadequate switching of circuits within the microgrid, outage of one or more generators inside the microgrid, illegal load connections by some low voltage consumers, etc. It was observed that among the main factors that determine the survival of the microgrid during its transition from the grid connected mode to the islanded mode of operation are the size and type of the load connected (passive or dynamic load) as well as the length of time during which the unexpected load is connected. Models of a speed and voltage regulators of a diesel generator, and important for coping with the overload conditions are provided in the paper. The novelty of the work lies in the load shedding simulation and analysis of the specific generators studied herein, regarding that in many countries the microgrid technology is seen as an important alternative towards the ever increasing load demand and also to assist the system during periods of blackout.

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Section: Introductionmentioning

confidence: 99%