Date Code 20011205
Application Settings for SEL-221 Series Relays
14-37
SEL-311B Instruction Manual
SEL-311B
Relay
Setting
Calculated from SEL-221C
Settings
SEL-311B Instruction
Manual Section
SEL-221C Instruction
Manual Section
51PP
= 51PP / CTR
Section 3—Phase Time- Section 5—Phase Time-
51PC
= 51PC
Overcurrent Element
Overcurrent Settings
U1*
= 1
(51PP, 51PC, 51PTD)
U2 =
2
U3 =
3
U4 =
4
51TD 51PTD
51GP
= 51NP / CTR
Section 3—Residual
Section 5—Residual
51GC
= 51NC
Ground Time-
Time-Overcurrent
U1*
= 1
Overcurrent Element
Settings (51PP, 51PC,
U2
= 2
51PTD, 51NTC)
U3 =
3
U4 =
4
51GTD =
51NTD
51GTC =
51NTC
(= 1
= N)
(= 32GF
= Y)
DIR3
= ZONE 3
Section 4—Directional
Control Settings
Section 5—Zone 3
Direction Setting
ORDER Q
V
I
= 32QE
= 32VE
= 32IE
Section 4—Directional
Control for Ground
Distance and Residual
Ground Overcurrent
Elements
Section 2—Functional
Description—
Directional Elements
27P
=
)
3
(
)
1000
59
(
PTR
N
·
·
Section 3—Voltage
Elements
Section 2—Reclosing
Relay
59P
=
)
3
(
)
1000
47
(
PTR
PXD
·
·
27PP
= 47PXD · 1000 / PTR
59PP
= 47PXL · 1000 / PTR
Summary of Contents for SEL-311B
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