Section 2 Scope of Transformer Testing
Section 3 Standards for Transformer Testing
TEST PROJECTS AND REQUIREMENTS OF SECTION IV OIL-IMPRESSED POWER TRANSFORMER
Test Procedure of Oil-immersed Power Transformer
Section 6 Requirements for Product Delivery Test
Section 7 Permissible Deviation of Standard Value of Product Performance
Section 8 Types of Transformers
Section 9 Safety Requirements for Test Stations
Chapter 2 Voltage Ratio Measurement, Connection Winding Label Verification and Winding Resistance Measurement
Section 1 Voltage Ratio Measurement
Section 2 Verification of Connection Group Labels
Section 3 Winding Resistance Measurement
CHAPTER III CHARACTERISTICS TEST OF WINDING INSULATION
Section I Performance and Test Method of Transformer Sleeves
SECTION II MEASUREMENT OF INSULATION RESISTANCE, ABSORPTION RATIO AND POLARIZATION INDEX
Section 3 Measurement of Dielectric Loss Factor of Capacitance of Winding Insulation System and Capacitance of Winding to Ground and Between Windings
Chapter IV External voltage withstand test, induction voltage withstand test and partial discharge measurement
Section 1 External pressure test
Section II Induction Voltage Withstand Test
Section 3 Partial Discharge Measurement
Chapter V No-load Test and Load Test
Section I No-load Test
Section II Load Test
CHAPTER VI TEST OF TEMPERATURE RISE
Section I Overview
Section 2 Marking of Transformer Cooling Mode
Section 3 Limit of Temperature Rise
SECTION IV TEST METHODS FOR TEMPERATURE RISE
Section 5 Method of Live Measurement of Winding Thermal Resistance in Temperature Rise Test (Live Temperature Measurement)
SECTION VI ANALYSIS AND JUDGEMENT METHOD OF LOCAL OVERHEAT IN TEMPERATURE RISE TEST
Chapter 7 Lightning Shock and Operation Shock Test
Section I Relevant Provisions of Test Standards
Section 2 Testing Equipment
Section 3 Measurement of Impulse Voltage
Section 4 Lightning Shock Test
Section 5 Operational impact test
Chapter VIII Special Tests
Section 1 Zero Sequence Impedance Measurement of Three-phase Transformer
Section 2 Short Circuit Bearing Capacity Test (Short Circuit Test)
Section 3 Sound Level Measurement (Noise Test)
Section 4 Harmonic measurement of no-load current
Chapter 9 Tests of On-load Tap-changers for Transformers
Section I Working Principle of On-load Tap-changer
Section 2 Voltage regulating circuit of on-load tap-changer
Section 3 Ratings and Performance Requirements
Section IV Test Projects and Methods
