Modular units

Generalities Description of the control/
monitoring & protection functions
Sepam selection guide for all applications
The Sepam range of protection and
metering is designed for the operation
of machines and electrical distribution
networks of industrial installations and
utility substations for all levels of voltage.
It consists of complete, simple and reliable
solutions, suited to following four families:
b Sepam series 10,
b Sepam series 20,
b Sepam series 40,
b Sepam series 80.
Series 10 Series 20 Series 40
Protections
Current b b b b b b
Voltage b b b b b
Frequency b b b b b
Specifi cs Phase and
earth fault
overcurrent
A range adapted at your application
b Protection of substation (incoming, outgoing line and busbars).
b Protection of transformers.
b Protection of motors, and generators.
Breaker
failure
Disconnection
by rate of
change of
frequency
Directional
earth fault
Applications
Substation 10A, 10B S20 S24 S40 S41, S43 S42
Busbar B21 B22
Transformer 10A, 10B T20 T24 T40 T42
Motor M20 M41
Generator G40
Capacitor
Characteristics
Logic inputs 4 0 to 10 0 to 10 0 to 10
Logic outputs 7 4 to 8 4 to 8 4 to 8
Temperature sensors 0 to 8 0 to 8 0 to 16
Channel Current 3 I + Io 3 I + Io 3 I + Io
Voltage 3V + Vo 3V, 2U + Vo
LPCT (1) b b
Communication ports 1 1 to 2 1 to 2 1 to 2
IEC61850 Protocol b b b
Control Matrix (2) b b b
Logic equation editor
Logipam
b
(3)
Other Memory cartridge
with settings
Backup battery Lithium battery 48 hours
(1) LPCT: low-power current transformer complying with standard IEC 60044-8.
(2) Control matrix for simple assignment of information from the protection, control and monitoring functions.
(3) Logipam ladder language (PC programming environment) to make full use of Sepam series 80 functions.
Simplicity
Easy to install
b Light, compact base unit.
b Optional modules fi tted on a DIN rail, connected using prefabricated cords.
b User friendly and powerful PC parameter and protection setting software to utilize
all of Sepam’s possibilities.
User-friendly
b Intuitive User Machine Interface, with direct data access.
b Local operating data in the user’s language.
Directional
earth fault
and phase
overcurrent
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