Seg WI Series Reference Manual

9.15 ThR – Thermal replica module
9.15.1
ThR: Device Planning Parameters
ThR . Mode [Device planning / Projected Elements]
“-”
Only available if:
• Prot . Settings valid = Software•
“-”, use
╚═▷ Device planning
P.1
Thermal replica module, general operation mode
ThR . De󰈛nition [Device planning / De󰊟nition]
Trip
Only available if:
• Prot . Settings valid = Software•
Trip, Alarm
╚═▷ De󰊟nition
P.1
Thermal replica module: If set to “Alarm”: The function operates as a supervision function, i.e. a fault generates
neither alarm nor trip, but an »Alarm« signal gets issued instead. If set to “Trip”: The function operates as a
protection function, i.e. trips the breaker in case of a fault.
9.15.2
ThR: Settings
ThR . Function [Protection Para / ThR]
Active Inactive, Active
╚═▷ Mode
P.1
Permanent activation or deactivation of module/stage.
ThR . Ib [Protection Para / ThR]
1.00In 0.5In . . . 2.00In P.1
Base current: Maximum permissible thermal continuous current.
ThR . K [Protection Para / ThR]
1.00 0.80 . . . 1.50 P.1
Overload Factor: The maximum thermal limit is de󰅰ned as k*IB, the product of the overload factor and the base
current.
ThR . Pre-Alarm Lev. [Protection Para / ThR]
80% 50% . . . 100% P.1
Threshold value for the Thermal Level. If the thermal level exceeds this setting the signal »ThR . Pre-Alarm« is
issued.
93WIC1WIC1-2.0-EN-REF
9 Protection Parameter
9.15 ThR – Thermal replica module

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English