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Multi-Tech Systems 7600 ユーザーズマニュアル

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ION 7500 / ION 7600 User’s Guide
Harmonic Voltage
Power Quality: ION Meters and EN50160 Technical Note
Page 317
Harmonics Default Measurements
Register Label
Source Module
Description
V1-Hrm N*
Harmonics
Evaluation
number of valid intervals (voltage on phase 1 within +/- 15% of nominal)
V1-Hrm N invld*
number of invalid intervals
V1-Hrm N1*
number of intervals in which one or more individual harmonics on phase 1 exceed their limits
V1-Hrm N2*
number of intervals in which the THD value on phase 1 exceeds the limit
V2-Hrm N*
number of valid intervals (voltage on phase 2 within +/- 15% of nominal)
V2-Hrm N invld*
number of invalid intervals
V2-Hrm N1*
number of intervals in which one or more individual harmonics on phase 2 exceed their limits
V2-Hrm N2*
number of intervals in which the THD value on phase 2 exceeds the limit
V3-Hrm N*
number of valid intervals (voltage on phase 3 within +/- 15% of nominal)
V3-Hrm N invld*
number of invalid intervals
V3-Hrm N1*
number of intervals in which one or more individual harmonics on phase 3 exceed their limits
V3-Hrm N2*
number of intervals in which the THD value on phase 3 exceeds the limit
PO V1-Hrm N
Store
V1-Hrm N of the previous Observation Period
PO V1-Hrm N1
V1-Hrm N1 of the previous Observation Period
PO V1-Hrm N2
V1-Hrm N2 of the previous Observation Period
PO V2-Hrm N
V2-Hrm N of the previous Observation Period
PO V2-Hrm N1
V2-Hrm N1 of the previous Observation Period
PO V2-Hrm N2
V2-Hrm N2 of the previous Observation Period
PO V3-Hrm N
V3-Hrm N of the previous Observation Period
PO V3-Hrm N1
V3-Hrm N1 of the previous Observation Period
PO V3-Hrm N2
V3-Hrm N2 of the previous Observation Period
V1 THD mean
Sliding Window 
Demand
average THD on phase 1 over 10 minutes (used for display purposes)
V2 THD mean
average THD on phase 2 over 10 minutes (used for display purposes)
V3 THD mean
average THD on phase 3 over 10 minutes (used for display purposes)
V1 THD mean mn
Minimum
minimum average THD on phase 1 over 1 week (used for display purposes)
V2 THD mean mn
minimum average THD on phase 2 over 1 week (used for display purposes)
V3 THD mean mn
minimum average THD on phase 3 over 1 week (used for display purposes)
V1 THD mean mx
Maximum
maximum average THD on phase 1 over 10 minutes (used for display purposes)
V2 THD mean mx
maximum average THD on phase 2 over 1 week (used for display purposes)
V3 THD mean mx
maximum average THD on phase 3 over 1 week (used for display purposes)