Deif AGC-4 Mk II Designers Handbook

INFO
The relay that is used for close before excitation must be a non-configured relay that is not used for anything else.
St art er/ crank
RPM
Rem ove start er (6174)
Tim er
CBE close RPM (2251)
GB close
Exc. st art RPM (2263)
AVR ON relay (2253)
Tim er
CBE Reg. delay (2262)
CBE break. lim . (2252)
Regu lat ion ON
If t imer expires and RPM in 2263 is not
reached, t he AGC will break out of t he
CBE sequence.
The relay will not be act ivated immediately in
Power Management systems. All DGs will need
t o have 2252 expired and 2263 reached.
t [s]
Volt age
Nominal RPM
Nominal Voltage
Hz and V OK
Cl.bef .exc.fail (2271)
Tim er
When Hz/ V OK is present, t he t imer will be reset. Otherwise,
t he AGC will act ivate t he Cl.bef.exc.fail alarm (2270)
5.4.4 Breaker sequence
The "close before excitation" function can be used in three applications:
1. AGC single genset plant
2. AGC power management plant - no tie breaker present
DESIGNER'S HANDBOOK 4189341275A EN Page 93 of 196

Deif AGC-4 Mk II Specifications

General

Brand	Deif
Model	AGC-4 Mk II
Category	Controller
Language	English