Introduction ：

3 phase transformer on-load tap changer tester is mainly applied to test transient time, transition waveform, transition resistance, synchronization status of three phase.

Technical parameters ：

Three phase constant current source charge,charge current: 3A/1A; 0.6A/0.2A

Maximum voltage of the port: 24V

Maximum range of transition resistance: 100Ω

Measuring range: 1A：0.4Ω～20Ω 0.2A：10Ω～100Ω

Record time of waveform:300ms

Sample rate: 30k

Resolution of time:0.1ms

Resolution of resistance: 0.1Ω

Accuracy of transition resistance: ±5% Reading±0.1Ω

Accuracy of transient time: ±0.5% Reading±0.2mS

Temperature: -10-40℃ Humidity: <85%RH

Feature ：

Test transformers of type Y0 Y △ and display resistance value directly；

Automatically analyze waveform fault and mark the fault.

Automatically adjust resistance value and time range according to sampling data

Transformer type △ is able to display to synchronization status of three phase;

Be able to test with winding or without winding；

Four terminal connection mode and provide high accuracy of resistancemeasurement.

Continuous test to save time of power off

Make word report

800×480 colorized LCD with touch screen and high speed printer

Store 1000 groups of data and also can be saved by USB flash disk