DocumentCode :
1114078
Title :
Compensation of cable voltage drops and automatic identification of cable parameters in 400 Hz ground power units
Author :
Borup, Uffe ; Nielsen, Bo Vork ; Blaabjerg, Frede
Author_Institution :
PowerLynx A/S, Sonderborg, Denmark
Volume :
40
Issue :
5
fYear :
2004
Firstpage :
1281
Lastpage :
1286
Abstract :
In this paper a new cable voltage drop compensation scheme for ground power units (GPU) is presented. The scheme is able to predict and compensate the voltage drop in an output cable by measuring the current quantities at the source. The prediction is based on an advanced cable model that includes self and mutual impedance parameters. The model predicts the voltage drop at both symmetrical and unbalanced loads. In order to determine the cable model parameters an automatic identification concept is derived. The concept is tested in full scale on a 90-kVA 400-Hz GPU with two different cables. It is concluded that the performance is significantly improved both with symmetrical and unsymmetrical cables and with balanced and unbalanced loads.
Keywords :
electric current measurement; electric potential; load (electric); power cables; uninterruptible power supplies; voltage control; 400 Hz; 90 kVA; balanced loads; cable parameters automatic identification; cable voltage drop compensation; current quantity measurement; ground power units; mutual impedance parameters; self impedance parameters; symmetrical loads; unbalanced loads; uninterruptible power supply; unsymmetrical cables; Aircraft manufacture; Airports; Cables; Conductors; Impedance; Power electronics; Predictive models; Reactive power; Uninterruptible power systems; Voltage; 400-Hz power supply; Cable models; GPUs; UPS; ground power units; identification; uninterruptible power supply;
fLanguage :
English
Journal_Title :
Industry Applications, IEEE Transactions on
Publisher :
ieee
ISSN :
0093-9994
Type :
jour
DOI :
10.1109/TIA.2004.834110
Filename :
1337054
Link To Document :
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