Doble
STCS
The external module STCS allows performing automatically the following PT tests: ratio per tap; winding resistance; OLTC dynamic test. The connection to the transformer under test, to STS and to the measurement taps is performed just once
Details
STCS Switch Module
The external module STCS allows performing automatically the following PT tests: ratio per tap; winding resistance; OLTC dynamic test. The connection to the transformer under test, to STS and to the measurement taps is performed just once; then, all transformer tests are performed without interruptions.
Main features
Additional module of STS 5000 and STS 4000
Inputs from STS: 300 V AC or 6 A DC
Tap Changer Up / Down: 240V AC or 110V DC
Outputs to STS measurements: 300 V AC or DC and 10 V DC
Tests performed
Ratio per tap
No load current
Vector group
Short-circuit impedance
Leakage reactance
Winding resistance
OLTC dynamic test
Documents
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