Details

Descriptions of laboratory works based on the training laboratory of the High Voltage Technique of the Higher School of High Voltage Energy are given. The installations schematics, calculation formulas and necessary background information are given. Requirements for laboratory work implementation and the content of reporting materials are formulated.

Приведены описания лабораторных работ, выполняемых на базе учебной лаборатории Техники Высоких Напряжений Высшей Школы Высоковольтной Энергетики. Даны схемы установок, расчетные формулы и необходимая справочная информация. Сформулированы требования к проведению лабораторных работ и содержанию отчетных материалов.

• Contents
• The list of laboratory works
• Work1. Breakdown of air gaps at DC voltage.
  • 1.1. Work program
  • 1.2. Work basics
  • 1.3. Determination of breakdown voltage dependence on the gap length for the gaps: pin – plane, pin-pin at positive and negative pin polarity
  • 1.4 The procedure of breakdown voltages measurements:
  • 1.5 The report content
• Work2. Breakdown of air gaps at AC voltag
  • 2.1.Work program
  • 2.2.Work basics
  • 2.3 Determination of AC breakdown voltage dependence on the gap length for the gaps pin – plane, pin-pin, Rogowski electrodes and spherical electrodes
  • 2.4 The report content
• Work 3. Surface discharge in gas
  • 3.1. Work program
  • 3.2.Work description
  • 3.3 The experimental setup
  • 3.4 The report content.
• Work 4. Characteristics of corona discharge on wires at DC voltage
  • 4.1. Work program
  • 4.2. Work basics
  • 4.3. Determination of the corona discharge starting voltage and discharge current dependence on voltage at positive and negative wire voltage polarity
  • 4.4. Calculation of the corona discharge starting voltage
  • 4.5. The report content
• Work 5. Characteristics of corona discharge on wires at AC voltage
  • 5.1. Work program
  • 5.2. Work basics
  • 5.3. Measuring of the corona discharge critical voltage and obtaining dependence of energy loss on voltage for coaxial wire system
  • 5.4 Calculation of the critical voltage for industrial frequency corona discharge
  • 5.5. The report content
• Work 6. Voltage distribution on a string of insulators
  • 6.1 Work program
  • 6.2. Brief description of the work
  • 6.3. Measuring of voltage distribution on a string of insulators
  • 6.4. Determining of the “cap and pin” insulator breakdown voltage
  • 6.5. The report content
• Work 7. High voltage pulse generator (Marx Generator)
  • 7.1. Work basics
  • 7.2 Experimental setup
  • 7.3. Measurements program
  • 7.4. The lab report contents
• Work 8. High voltage AC measurements
  • 8.1. Work program
  • 8.2. Work basics
  • 8.3. Obtaining of the HV transformer graduation curve using test spark gap
  • 8.4. High voltage measurement using the capacitive divider with electrostatic voltmeter
  • 8.5. High voltage measurement using the capacitive divider with microammeter
  • 8.6. Estimation of the high voltage sinusoid quality
  • 8.7. The lab report content
• Appendix
• Table A.1