Directional Detection for Over current Protection without Voltage Sensors in Systems with Distributed Generation

Gopu, Dinesh Kumar (2015) Directional Detection for Over current Protection without Voltage Sensors in Systems with Distributed Generation. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

As the yearly electric energy demand grows, there is a significant increase in the penetration of distributed generation (DG). Since the conventional sources of energy such as coal, petroleum and natural gas etc. are fast disappearing, a study of distributed renewable generation systems becomes very important. Integration of a DG into an existing distribution system has many impacts on the system, with the power system protection being one of the major issues. Short circuit power of a distribution system changes when its state changes. It also changes when some of the generators in the distribution system are disconnected. This may result in elongation of fault clearing time and hence disconnection of equipment’s in the distribution system or unnecessary operation of protective devices. This thesis mainly deals with the protection algorithms that are to be met in order to avoid false tripping problem because of bidirectional power flow.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: Directional Over Current Relay, Distribution Protection, Algorithm for DOCR, TD389
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Library Staff
Date Deposited: 10 Jul 2015 07:34
Last Modified: 10 Jul 2015 07:34
URI: http://raiith.iith.ac.in/id/eprint/1687
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