Seg WI Series Reference Manual

9.14 I2> – Negative-Sequence Current Protection
9.14.1
I2>: Device Planning Parameters
I2> . Mode [Device planning / Projected Elements]
“-”
Only available if:
• Prot . Settings valid = Software•
“-”, use
╚═▷ Device planning
P.1
Unbalanced Load-Stage, general operation mode
I2> . De󰈛nition [Device planning / De󰊟nition]
Trip
Only available if:
• Prot . Settings valid = Software•
Trip, Alarm
╚═▷ De󰊟nition
P.1
Unbalanced Load-Stage: 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.
9.14.2
I2>: Settings
I2> . Function [Protection Para / I2>]
Active Inactive, Active
╚═▷ Mode
P.1
Permanent activation or deactivation of module/stage.
I2> . I2 [Protection Para / I2>]
0.2In 0.2In . . . 2.5In P.1
The Threshold setting de󰅰nes a minimum operating current magnitude of I2 for the 46 function to operate, which
ensures that the relay has a solid basis for initiating a current unbalance trip. This is a supervisory function and not a
trip level.
I2> . Char [Protection Para / I2>]
DEFT DEFT . . . EF Curve
╚═▷ Char
P.1
Characteristic
88 WIC1 WIC1-2.0-EN-REF
9 Protection Parameter
9.14 I2> – Negative-Sequence Current Protection

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English