SE CO ND AR Y T EST ING O F PR OT E CT IO N R E LAYS SE CO ND AR Y T EST S ETU P S
1VLG5 00 0 17 C 71
Step 3/3
Simulate high currents on the current sensor input via the front voltage outputs 1, 2.
– U1 = U2 with 180° phase shift (symmetrical source).
Simulate voltage on the voltage sensor input via the front voltage output U4, N.
– U4 =
𝑈𝑛
√
3
Figure 110: Setting of high voltage analogue outputs in the Test Universe program
Figure 111: Phasor diagram on the protection relay’s WebHMI
Figure 112: Measurements view
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