6–18
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 6: ACTUAL VALUES
FIGURE 6–3: Phase Angle Measurement Convention
The EnerVista 469 Setup software follows this convention and displays vectors
accordingly.
The 469 Motor Management Relay works with lagging angles only.
The following is a typical presentation of a three-phase system where current lags the
voltage by 30 degrees.
FIGURE 6–4: Current Lagging Voltage by 30° Display
The phasors shown by the relay and the EnerVista 469 Setup software are a clear
representation of the relationship between the system quantities as seen by the relay.
806561A2.CDR
Pos
i
t
i
ve
A
ng
l
e
Di
rect
i
on
0°
46
9 Phase
A
ng
l
e
R
eference
315°
Lag
2
7
0°
Lag
225°
Lag
180°
Lag
135°
Lag
9
0°
Lag
45°
Lag
Summary of Contents for Masoneilan 469 Series
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Page 92: ...3 28 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 3 INSTALLATION ...
Page 256: ...5 112 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 5 SETTINGS ...
Page 298: ...6 42 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 6 ACTUAL VALUES ...
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