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PD IEC/TR 62836:2013 Measurement of internal electric field in insulating materials. Pressure wave propagation method, 2013
- 30291274.pdf [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Terms, definitions and abbreviations [Go to Page]
- 2.1 Terms and definitions
- 2.2 Abbreviations
- 3 Principle of the method
- 4 Sample conditions
- 5 Electrode materials
- 6 Pressure pulse wave generation
- 7 Set-up of the measurement
- 8 Calibrating the electric field
- 9 Measurement procedure
- 10 Data processing for the experimental measurement
- 11 Measurement examples [Go to Page]
- 11.1 Samples
- 11.2 Pressure pulse generation
- 11.3 Calibrating of sample and signal
- 11.4 Testing sample and experimental results
- 11.5 The internal electric field distribution
- Figures [Go to Page]
- Figure 1 – Principle of the PWP method
- Figure 2 – Set-up of measurement of the PWP method
- Figure 3 – Sample of protecting circuit
- Figure 4 – Current signal under –5,8 kV
- Figure 5 – First measured current
signal (<1 min)
- Figure 6 – Signal under –46,4 kV, 1,5 h
- Figure 7 – Measured signal without applied voltage, after 1,5 h under high voltage
- Figure 9 – Internal electric field distribution under –46,4 kV, at the initial state
- Figure 8 – Internal electric field distribution under –5,8 kV
- Figure 10 – Internal electric field distribution under –46,4 kV, after 1,5 h under high voltage
- Figure 11 – Internal electric field distribution without applied voltage after 1,5 h under high voltage [Go to Page]