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Schweitzer Engineering Laboratories SEL-734 - KYZ Outputs

Schweitzer Engineering Laboratories SEL-734
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8.13
Date Code 20090730 Instruction Manual SEL-734 Meter
Logic
KYZ Outputs
Figure 8.13 SELOGIC Control Equation Counter Example
KYZ Outputs
The SEL-734, using settings KYZD1 through KYZD4, outputs the integrated
quantities shown in Table 8.4. Note that Form 5 meters only accept 3-phase
quantities. The meter allows for as many as four integrated values to be output
to Form A contacts. Solid state output contacts are recommended for KYZ
operation.
The availability of the KYZ output is determined by the EKYZ setting (see
Table 8.5).
Setting EKYZ = N disables all KYZ elements, and the output Meter Word bits
are deasserted.
3-ph Demand (kW
)
100
125
0
3
6
9
12
15
18
21
24
27
30
33
36
39
42
45
48
51
54
57
60
SC01
123456789101112131415
TIME (minutes)
9
6
24
48
60
OUT401
OUT402
Table 8.4 KYZ Energy Values
Energy KYZ Energy Values
a
a
Where n = A, B, C, or 3
Real Energy: KWHnI
KWHnO
Apparent Energy: KVAHnI
KVAHnO
Reactive Energy: KVRHnI_LG
KVRHnI_LD
KVRHnI
KVRHnO_LG
KVRHnO_LD
KVRHnO
Courtesy of NationalSwitchgear.com

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