2013
DOI: 10.5120/12223-8447
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Fault Diagnosis of Transmission Lines with Rogowski Coils as Current Sensors

Abstract: This paper presents implementation of algorithms developed for fault classification and location detection on transmission lines with data from current & voltage sensors. Rogowski coil as current sensor is gaining importance due to its linearity and wide band width. A lumped parameter model of Rogowski coil is developed and integrated with a power system model in SIMULINK to simulate all types of faults at different locations, fault inception angles and fault resistances. A fault classification scheme based on… Show more

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Cited by 4 publications
(3 citation statements)
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“…As an alternative capacitive voltage dividers can be used for traveling wave measurement. Figure 5 shows the Rogowski coil electrical circuit according to [4] with the input voltage uin, the output voltage uout, the resistance R, the inductance L, the capacitance C and the termination impedance Z. The corresponding transfer function H1 is as in (7).…”
Section: Measurement Of Traveling Wavesmentioning
confidence: 99%
See 1 more Smart Citation
“…As an alternative capacitive voltage dividers can be used for traveling wave measurement. Figure 5 shows the Rogowski coil electrical circuit according to [4] with the input voltage uin, the output voltage uout, the resistance R, the inductance L, the capacitance C and the termination impedance Z. The corresponding transfer function H1 is as in (7).…”
Section: Measurement Of Traveling Wavesmentioning
confidence: 99%
“…Figure 2, the fault distance calculation is based on local transient measurements only and exploits the reflection pattern of the fault generated traveling waves. Whereas in many other works a Rogowski coil is the preferred solution for traveling wave measurement as in [4], this work is based on the idea to exploit the capacitive voltage sensors within the medium voltage substation, as suggested in [5]. Those are capacitive voltage dividers as known from high voltage applications.…”
Section: Introductionmentioning
confidence: 99%
“…Where, i p is the current which is to be sensed and M is the mutual coupling between primary conductor and secondary winding [27]. The RC output voltage (V out ) in Laplace domain is given by Eq.6.…”
Section: Rogowski Coilmentioning
confidence: 99%