Technical data - Arc protection - Motor protection - Feeder protection - Back-up protection - Technical Manual - REX610 Protection and control - Relion Protection and Control - 1.2 - IEC - ANSI - 19.09.2022

REX610 Technical Manual

Table 1. SEQSPVC Technical data

Characteristic

Value

Operate time 1

NPS function

UFault = 1.1 × set Neg Seq voltage Lev

UFault = 5.0 × set Neg Seq voltage Lev

<38 ms

<24 ms

Delta function

ΔU = 1.1 × set Voltage change rate

ΔU = 2.0 × set Voltage change rate

<35 ms

<28 ms

1 Includes the delay of the signal output contact, fn = 50 Hz, fault voltage with nominal frequency injected from random phase angle, results based on statistical distribution of 1000 measurements