Three-phase power transformer test system - TESTRANO 600 is the world’s first portable, three-phase test system which supports all common electrical tests on single- and three-phase power and distribution transformers for routine and diagnostic testing on-site or during factory acceptance tests (FAT). Using TESTRANO 600 enables you to perform various tests on power transformers without re-connecting. Thus, TESTRANO 600 cuts testing time down to one third compared to conventional single-phase test sets.
- True three-phase power transformer test system
- Powerful device with 3 x 33 A DC or 400 V AC
- Reduced connection effort as the same connection can be used for various tests
- Three times faster testing
- Total weight of 20 kg / 44 lbs – ideal for on-site testing
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One system for multiple tests
With just three cables need to be connected to perform various tests with TESTRANO 600:-
- Transformer Turns Ratio
- DC Winding Resistance
- Dynamic Resistance
- Demagnetization
- Short-Circuit Impedance / Leakage Reactance
- Frequency Response of Stray Losses
- OLTC Scan / Dynamic Resistance (DRM)
- Vector Group Check
- Cooldown Test
- Power Losses at Low Voltages








