YDJ,TDM series oil immersed lightweight test transformerDetailed product description：

YDJ and TDM series oil immersed lightweight test transformers are suitable for conducting insulation strength tests on various high-voltage electrical equipment, electrical components, and insulation materials under power frequency or DC high voltage in power systems, industrial and mining enterprises, transportation and postal departments, scientific research units, etc.

Main technical parameters:

Rated capacity: 2-300Kva
Single rated output voltage: (AC) 50, 100, 150, 200, 300Kv
(DC)70、140、210Kv
Transformer ratio: 500/1, 1000/1, 1500/1, 2000/1, 3000/1
Transformer ratio error:<± 1%
Impedance voltage:<10%

Function and Features:

Direct reading of high voltage and low voltage current
Overvoltage sound and light alarm during closing timing
Electric protection automatic return to zero (electric)
Manual and electric voltage regulation (electric)
Voltage and current rate switching
Voltage and current protection settings
Time setting for voltage withstand test

Technical parameters:

Rated capacity: 10, 20, 30, 50, 100, 150, 200, 250, 300 (kVA)
Input voltage: AC: 220, 380 (V) 50Hz
Output voltage: 250, 430, 3000 (V)
Rated current: 50, 75, 100, 125, 250 (A)