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Related Concept Videos

Voltammetric Techniques: Pulse Voltammetry01:17

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475
Differential-pulse voltammetry (DPV) is a type of voltammetry that involves applying a series of voltage pulses to an electrochemical cell while measuring the resulting current. In DPV, the differential pulse or small potential pulses are superimposed on a linear potential sweep. The magnitude of these pulses is typically small, often in the millivolt range. Each voltage pulse lasts a short duration, usually in the order of a few milliseconds, and is applied at regular intervals along the...
475

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Novel Reference Method for the Characterization of PD Measuring Systems Using HFCT Sensors.

Eduardo Arcones1, Fernando Álvarez1, Javier Ortego1,2

  • 1Department of Ingeniería Eléctrica, Universidad Politécnica de Madrid, Ronda de Valencia 3, 28012 Madrid, Spain.

Sensors (Basel, Switzerland)
|June 27, 2024
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Summary
This summary is machine-generated.

A new method and test platform standardize the characterization of partial discharge (PD) measuring systems for high-voltage (HV) electrical equipment. This enables early defect detection, preventing failures and economic losses in HV systems.

Keywords:
condition monitoringinsulation testingmodel-driven developmentpartial dischargesperformance evaluationpower system modelingsensor phenomena and characterization

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Area of Science:

  • Electrical Engineering
  • Materials Science
  • Asset Management

Background:

  • High-voltage (HV) electrical systems face operational stresses leading to defects and failures.
  • Early detection of incipient defects is crucial to prevent failures, human risks, and economic losses.
  • On-line partial discharge (PD) measurement is an efficient technique for monitoring dielectric status in HV installations.

Purpose of the Study:

  • To present a novel method for the complete and standardized characterization of PD measuring systems.
  • To address the difficulties in characterizing PD systems due to lack of reference procedures and testing drawbacks.
  • To adapt the method for on-line PD measurement systems using high-frequency current transformer (HFCT) sensors.

Main Methods:

  • Development of a novel, standardized method for characterizing PD measuring systems.
  • Utilization of a scale modular test platform to simulate real on-site measuring conditions.
  • Application of the method to characterize systems operating in on-line applications with HFCT sensors.

Main Results:

  • Demonstration of a convenient and advantageous method for PD measuring system characterization.
  • Validation of the modular test platform's capability to simulate on-site HV insulated distribution line conditions.
  • Successful practical characterizations showcasing the method's effectiveness.

Conclusions:

  • The proposed method provides a standardized approach for complete PD measuring system characterization.
  • The modular test platform effectively simulates real-world conditions for testing.
  • This approach facilitates more reliable and cost-effective PD system evaluation, enhancing HV asset management.