______________________________________________________________________________________
Alfred Kuhse GmbH
Telephone: +49 4171-798-0
Subject to technical changes
An der Kleinbahn 39, D-21423 Winsen (Luhe)
Fax: +49 4171-798-117
www.kuhse.de
Operating instructions
Automatic start/stop system for parallel systems
for product: KEA 252 PA
File: BA_KEA 252 PA_EN_Ver 2016-07-01 (replaces version 2014-09-22)
__________________________________________________________________
1.
Use and basic operation
The KEA 252 PA automatic system is used in systems in which
several gensets
are operated in
parallel
. It can
be used as a peak load genset, CHP module, for emergency power systems, for pure standalone operation or
all resulting combinations. It is designed so that genset fields that equipped with this automatic system can be
easily cascaded. A central controller must take over the activating of any mains and coupling switched and the
selection of gensets.
The synchronisation unit, the power and cos φ controller, the load distribution in standalone operation and the
power failure protection in accordance with
VDE-AR-N 4105
and the voltage monitor (from Version 8) according
to
E VDE-AR-N 4120
during the mains parallel operation are included. All functions and displays required in
VDE 0108
, including the drag indicator display, are fulfilled by this automatic system. Also, the requirements for
the control of a diesel motor have been fulfilled in accordance with
VdS 2100-22
.
The function of the output relays and the parameters
can be set with a PC.
Because the KEA 252 has the same dimensions and fastenings as its predecessor,
replacement is simple
.
Four dedicated operating messages and four programmable operating displays
can be labelled by re-
placeable paper strips and are indicated by LEDs.
All other alarms and all actual and reference values
are
shown on the display. The illuminated display shows two lines with up to 16 characters with a character height
of 10 mm so that it can be read from a greater distance.
The parameterisation
can be carried out via the keys and the display or via
the serial interface
(LWL or USB
– automatic switching) with the parameterisation program
P
ARA
W
IN
.
Two
CAN bus interfaces
are available for coupling to a
ZLT
and to a motor management system. However, the
protocol for the motor management system must be known and implemented.
The automatic system can be cost-effectively integrated in a communication system (K
UHSE
T
ELEMON
) via the
public telephone or GSM mains by plugging in a
modem
.
Important note!
The functions for the mains parallel operation deviate in part from the previous model KEA 102
PA because of compliance with the new VDE regulation.
GEN.VOLTAGE [V]
231 233 229
