Emerson Series 600T - Manual (Page 62)

System Overview
50
Figure 53 Typical operation modes
KEY # MODE DESCRIPTION
1 READY Idle condition waiting for event
2 DISCHARGE
3 CHARGE
FS supporting the critical load
Charging to top speed
A
B
C
D
E
Grid Supply lost ,FS supporting the load
Generator Starts , A.T.S. transfers the load
FS fully charged ready to support the load
FS supports the load as the A .T.S. transitions back to grid supply
FS fully charged ready to support the load
DC Bus Voltage
A B C D E
DC
VOLTAGE
AC
VOLTAGE
R.P.M.
FS Speed
ZERO
SPEED
MIN
SPEED
TOP
SPEED
FS
MODES
1 2 3 1 2 1 3
V Float
Vcharge
Vreg
0 VAC
480
VAC
V Generator
V Grid
V Load
GEN
AC Power Flow AC Power Flow
DC Power Flow
Flywheel
Module
ATS
Grid
UPS Module