Instruction Manual

Appendix A Parameters for Monitoring and Logging
EM720 Power Quality and Revenue Meter 181
Designation Description
I1 I1 current
I2 I2 current
I3 I3 current
I4 I4 current
In In current
V ZERO-SEQ Zero-sequence voltage
I ZERO-SEQ Zero-sequence current
V UNB% Negative-sequence voltage unbalance
I UNB% Negative-sequence current unbalance
FREQ Frequency
V PSEQ Positive-sequence voltage
V ZSEQ UNB% Zero-sequence voltage unbalance
HRM TOT (0.2 sec) 0.2-Second Total Harmonics
V1 THD
V1/V12 THD
2
V2 THD
V2/V23 THD
2
V3 THD
V3/V31 THD
2
I1 THD I1 THD
I2 THD I2 THD
I3 THD I3 THD
I4 THD I4 THD
V1 THD/I
V1/V12 interharmonics THD
2
V2 THD/I
V2/V23 interharmonics THD
2
V3 THD/I
V3/V31 interharmonics THD
2
I1 THD/I I1 interharmonics THD
I2 THD/I I2 interharmonics THD
I3 THD/I I3 interharmonics THD
I4 THD/I I4 interharmonics THD
I1 TDD I1 TDD
I2 TDD I2 TDD
I3 TDD I3 TDD
I4 TDD I4 TDD
I1 KF I1 K-Factor
I2 KF I2 K-Factor
I3 KF I3 K-Factor
I4 KF I4 K-Factor
HRM TOT (3 sec) 3-Second Total Harmonics
V1 THD
V1/V12 THD
2
V2 THD
V2/V23 THD
2
V3 THD
V3/V31 THD
2
I1 THD I1 THD
I2 THD I2 THD
I3 THD I3 THD
I4 THD I4 THD
V1 THD/I
V1/V12 interharmonics THD
2
V2 THD/I
V2/V23 interharmonics THD
2
V3 THD/I
V3/V31 interharmonics THD
2
I1 THD/I I1 interharmonics THD
I2 THD/I I2 interharmonics THD
I3 THD/I I3 interharmonics THD
I4 THD/I I4 interharmonics THD