An analog method for detecting superimposed power line voltage disturbances

Fürst, Holger; Pigl, M.; Baier, Joseph G.

doi:10.1109/19.368080

Cited by 27 publications

(4 citation statements)

References 5 publications

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“…Therefore, it is required a triggering function which allows selective recording of data points with significant deviation from the undisturbed waveform [14]. Thus, each event can be identified by properly triggering on both time and magnitude.…”

Section: Algorithms For Pq Event Detectionmentioning

confidence: 99%

DSP algorithm for the real time detection of power quality surge transients

Moreno-Munoz

Pallares

Flores

et al. 2009

2009 4th IEEE Conference on Industrial Electronics and Applications

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Power-quality events are of increasing concern for the economy because today's equipment, particularly computers and automated manufacturing devices, is highly sensitive to such imperfections. Metering technologies and communications systems have advanced to enable the development of DSP-based sensors. Power system surges, based on waveform shapes, can be classified into "oscillatory transient" and "impulsive transient" This paper investigates the challenges and possibilities in the development of a DSP power-quality event detection algorithm. It provides the real-time detection of transients without requiring a large amount of memory. It is presented its advantages as a simple and robust algorithm, over others well known proposal. Finally, the analysis of its performance in the time domain is addressed on a low-cost DSP board.

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Section: Algorithms For Pq Event Detectionmentioning

confidence: 99%

DSP algorithm for the real time detection of power quality surge transients

Moreno-Munoz

Pallares

Flores

et al. 2009

2009 4th IEEE Conference on Industrial Electronics and Applications

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“…This section describes the measurement method adopted in TRANSIENTMETER, obtained by combining and improving the algorithms presented in [27]- [33]. As shown in Fig.…”

Section: Measurement Algorithmsmentioning

confidence: 99%

TransientMeter: A Distributed Measurement System for Power Quality Monitoring

Daponte

Penta

Mercurio

2004

IEEE Trans. Power Delivery

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This paper describes the design and the implementation of TransientMeter, a monitoring system for the detection, classification, and measurement of transient disturbances on electrical power systems. TransientMeter relies on a common object request broker architecture (CORBA) as a communication interface, wavelet-based methods for automatic signal classification and characterization, and on a smart trigger circuit for disturbance detection. The system has been successfully applied to detect, classify, and measure disturbances in an industrial environment.Index Terms-Distributed information systems, monitoring, neural networks, power quality, power systems, power system transients, wavelet transforms.

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“…Many solutions for generating V r (t) can be found in literature. Some of them exploit sophisticated oscillating circuits [7], other of them try to delay all the spectral contents of the same input signal V(t) for 360°thus comparing two successive periods of V(t), the actual one and the previous one [8]. With regard to the first solutions, only sinusoidal reference voltages can be generated; in addition, locking the phase of the so obtained V r (t) to that of V(t) is often a difficult matter.…”

Section: Reference Voltage Generationmentioning

confidence: 99%

“…A monostable multivibrator is adopted to assure that the output voltage impulse be always characterised by the same amplitude and polarity whatever the detected disturbance may be. The so obtained impulse can serve for triggering most of common data acquisition systems thus overcoming all problems arising if the shape of the impulse depends on the detected disturbance [8].…”

Section: The Proposed Circuitrymentioning

confidence: 99%