Siemens 7SR224 Technical Manual page 246

Voltage Setting (V, p-p)
I Setting
51-1 Pickup
51-2 Pickup
51-3 Pickup
51-4 Pickup
2.3.1.1 Element Blocking
The Voltage Controlled Overcurrent function can be set to Inhibit for VT Supervision operation. This functionality
should be checked. Apply balanced voltage and current. Reduce a-phase voltage to cause a VTS condition.
Increase 3P current until the element operates at its full setting, i.e. 51V settings are not used.
Element
51-1
51-2
51-3
51-4
Check correct indication, trip output, alarm contacts.
©2010 Siemens Protection Devices Limited
7SR224 Argus Commissioning & Maintenance Guide
Measured (V, p-p)
Multiplier Calculated PU
VTS action
Measured
Chapter 6 Page 20 of 73