Title: Online Network Impedance Spectrometer for the Medium-Voltage Level
Authors: Jordan, Michael 
Grumm, Florian 
Kaatz, Gesa 
Meyer, Marc Florian 
Wilken, Hauke 
Schulz, Detlef  
Affiliation: Elektrische Energiesysteme
Elektrische Energiesysteme
Elektrische Energiesysteme
Elektrische Energiesysteme
Elektrische Energiesysteme
Elektrische Energiesysteme
Language: en
Subject (DDC): Ingenieurwissenschaften
Subject: Mathematical Technique
Identification Method
Stability and Control
Issue Date: 2018
Publisher: Institute of Electrical and Electronics Engineers Inc.
Document Type: Conference Object
Issue: 16 October 2018
Conference: IEEE International Conference on Environment and Electrical Engineering 2018 and IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe) 2018 
The network impedance is an essential parameter for power-quality, stability and control design considerations of power systems. The frequency characteristic of the impedance often includes distinct resonances which may also vary over time due to changing load or generation conditions in a network. The time variation as well as the lag of detailed frequency models of different power systems components make an exact analytical or simulative identification of the spectral network impedance challenging. This contribution introduces a novel measurement system. The system can precisely identify the spectral network impedance of power systems at the medium-voltage level (up to 20 kV) from DC to 20 kHz. The basic technical design and the general identification method of the system is illustrated. Furthermore, measurements carried-out with the system at a medium-voltage connection point are presented and discussed. © 2018 IEEE.
Organization Units (connected with the publication): Elektrische Energiesysteme 
ISBN: 978-153865185-8
DOI: 10.1109/EEEIC.2018.8494432
Rights: 4.0 deutsch
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