Toshiba GRL100-701B Instruction Manual page 384

Tap setting
4.2 Residual current differential element DIFG test
(1) Minimum operating value test
Tap setting
(2) Percentage restraining characteristic test
Tap setting
4.3 Phase fault element ZS test
Element Reach setting (ZS)
Z1S
Z2S
Z3S
Z4S
ZRS
PSBSIN
PSBSOUT
4.4 Earth fault element ZG test
Element Reach setting (ZG)
Z1G
Z2G
Z3G
Z4G
ZRG
PSBGIN
PSBGOUT
4.5 Phase selection element UVC test
Element Reach setting (UVCZ)
UVC 0
Measured current (I 2 )
I
× Tap
× Tap
20 × Tap
I 1 Measured current (I 2 )
I 1 Measured current (I 2 )
5 × Tap
20 × Tap
IT 2IT × ZS
IT 2IT × ZG
IT × UVCZ + UVCV
IT
0
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6 F 2 S 0 8 5 0
Measured voltage (2V a )
Measured voltage (2V a )
Measured voltage