6.3.4.2. Legends
M
Electrically controlled circuit breaker
AB
Exchange of information from A to B and from B to A
Transmission of information from A to B only
3 PH ”Current” information, 3 PH = 3 phases
3 PH + N ”Voltage” information, 3 PH + N = 3 Phases + Neutral
6.3.4.3. Configuration in solo generating set
Without Normal/Emergency inverter (A612)
This configuration is designed to provide:
The generation of electricity for an installation from an external starting command (dry contact).
The generation of electricity for an installation in forced operation.
Regulation
module
Base
module
C
A
N
B
u
s
E
t
h
e
r
n
e
t
3PH + N
3PH
M
MMI module
Application (load)
Automatic operation (Kerys in “AUTO” mode)
Loss of grid voltage
• Generating set start request (dry contact, switch, clock, etc.).
• The speed and voltage of the generating set increase.
• Generating set power unit switched off after voltage and frequency stabilisation.
Return of grid voltage
•
Dry contact, switch, clock, etc. switched on.
• Cooling delay.
• Generating set stopped and set to standby.
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