KYORITSU 6305 Instruction Manual - Manual (Page 64)

5.7
KEW6305
5.4.3 Criteria of judgment
System to be checked
Check item Criteria of Judgment
3P4W
3P3W3
A
3P3W 1P3W 1P2W-31P2W-21P2W-1
Error
message
Should be 45Hz or more.
Err.Lo_Hz Frequency
Should be 65Hz or less.
f
Err.Hi_Hz
Should be 60% or more of (V range x
VT ratio).
Err.Lo_V
Voltage
input
Should be 110% or less of (V range x
VT ratio).
V1／V2／
V3 V1／
V2
V1
Err.Hi_V
Voltage
balance
Should be within ±10º of reference
phase.
DEG(V2)
:120°
DEG(V3)
:240°
DEG
(V2)
:300
°
DEG
(V2)
:180
----
Err.PH_V
Voltage
phase
Should within ±20% against V1. V2／V3 V2 ---- Err.bL_V
Should be 10% or more of (A range
x CT ratio).
* One range low if auto-ranging has been
selected.
Err.Lo_A
Current
input
Should be 110% or less of (A range
x CT ratio).
* One range high if auto-ranging has been
selected.
A1／A2／
A3
A1／A2
A1
／
A2
／
A3
A1
／
A2
A1
Err.Hi_A
PFi (absolute value) should be 0.5 or
more.
* for 3P3W3A, 0 < PFi
PF1／
PF2／
PF3
PF1／
PF2
PF
1
／
PF
2
／
PF
3
PF
1
／
PF
2
PF
1
Err.PH_A
Current
phase
Pi should be positive value.
P1／P2／
P3
P1／P2
P1
／
P2
／
P3
P1
／
P2
P1
Err.PH_A
*KEW6305 may show any incorrect connection is found if great power factors (0.5 or less)
exist at the measurement site.