STCS
Switch module
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.
OVERVIEW
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
RESOURCES
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