Harmonic Display Values - AEMC PEL102 User Manual

3.7.3 Harmonic Display Values

Table 6 displays the LCD (PEL 103) sequence for each type of hook-up. The displays on the left show an example of the
harmonic values for a 3-Phase 4-Wire network type.
(1) 3-Phase 3-Wire includes:
■ 3-Phase 3-Wire ∆ (with 2 current sensors)
■ 3-Phase 3-Wire ∆ (with 3 current sensors)
■ 3-Phase 3-Wire Open ∆ (with 2 current sensors)
■ 3-Phase 3-Wire Open ∆ (with 3 current sensors]
■
3-Phase 3-Wire Y (with 2 current sensors)
■
3-Phase 3-Wire Y (with 3 current sensors]
■ 3-Phase 3-Wire ∆ Balanced (with 1 current sensor)
(2) 3-Phase 4-Wire includes:
■ 3-Phase 4-Wire Y (with 3 current sensors)
■
3-Phase 4-Wire Y Balanced
■
3-Phase 4-Wire Y 2½ Element
■ 3-Phase 4-Wire ∆
■
3-Phase 4-Wire Open-∆
34
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1-Phase
Step
2-Wire
THD_I
1
THD_V
2
« THD V »
3
Harmonics function is disabled in DC
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1-Phase 3-Phase
3-Wire 3-Wire
THD_I1 THD_I1
THD_I2 THD_I2
THD_I3
« THD IN» IN « THD IN» IN
THD_V1
THD_V2
« THD V »
THD_U12 THD_U12
THD_U23
THD_U31
« THD U »
Table 6
Power & Energy Logger Model PEL 102 and PEL 103
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3-Phase
4-Wire
(1) (2)
THD_I1
THD_I2
THD_I3
« THD IN» IN
THD_V1
THD_V2
THD_V3
« THD V »
THD_U12
THD_U23
THD_U31
« THD U »