Schweitzer Engineering Laboratories SEL-311C - SEL-311 C Settings Sheet Application Setting 221 H

Date Code 20060320 Instruction Manual SEL-311C Relay
Date _______________ SET.1 of 6SEL-311C Settings Sheet Application Setting 221H
SEL-311C Settings Sheet
Application Setting 221H
Identifier Labels (See Settings Explanations on page 9.33)
Relay Identifier (30 characters)
RID =
Terminal Identifier (30 characters)
TID =
Current and Potential Transformer Ratios (See Settings Explanations on
page 9.33)
Phase (IA, IB, IC) Current Transformer Ratio (1–6000) CTR =
Polarizing (IPOL) Current Transformer Ratio (1–6000)
CTRP =
Phase (VA, VB, VC) Potential Transformer Ratio
(1.00–10000.00)
PTR =
Synchronism Voltage (VS) Potential Transformer Ratio
(1.00–10000.00)
PTRS =
Line Settings (See Settings Explanations on page 9.33)
Positive-sequence line impedance magnitude
(0.05–255.00 Ω secondary {5 A nom.};
0.25–1275.00 Ω secondary {1 A nom.})
Z1MAG =
Positive-sequence line impedance angle (5.00–90.00 degrees)
Z1ANG =
Zero-sequence line impedance magnitude
(0.05–255.00 Ω secondary {5 A nom.};
(0.25–1275.00 Ω secondary {1 A nom.})
Z0MAG =
Zero-sequence line impedance angle (5.00–90.00 degrees)
Z0ANG =
Line length (0.10–999.00, unitless)
LL =
Application (311C, 221G, 221G5, 221H,
221F, 221F3)
APP = 221H
Fault location (Y, N) (see Table 12.1 and Fault Location on
page 12.5)
EFLOC =
Loss-of-Potential (Y, Y1, N) (see Figure 4.1)
ELOP =
MHO Phase Distance Elements (See Mho Phase Distance Elements on page 3.1)
Zone 1 (OFF, 0.05–64.00 Ω secondary {5 A nom.};
0.25–320.00 Ω secondary {1 A nom.})
Z1P =