The working principle of transformer testing equipment is based on corresponding testing methods and instruments:
Insulation Testing: Breakdown strength testing of transformer insulation is performed using a high-voltage source, or the heat resistance of insulation materials is evaluated through temperature rise tests.
Electrical Parameter Testing: Electrical parameters of the transformer are measured and analyzed by connecting testing instruments, such as high-precision meters and current transformers for loss testing and short-circuit impedance testing.
Power Performance Testing: The transformer is connected to a power test bench to simulate load conditions under actual operating conditions, evaluating the transformer's transmission efficiency and power factor.
Temperature Monitoring: The surface temperature of the transformer is monitored in real time using equipment such as infrared thermal imagers, or the internal temperature of the transformer is tracked over a long period using a temperature recorder.
