Electromagnetic compatibility tests - Arc protection - Merging unit - Transformer protection - 2 winding - Product Guide - RET615 Transformer Protection and Control - Relion 615 series - 5.0 FP1 IEC - IEC - 11.10.2021

RET615 Product Guide
Table 1. Electromagnetic compatibility tests
Description Type test value Reference
1 MHz/100 kHz burst disturbance test

IEC 61000-4-18

IEC 60255-26, class III

IEEE C37.90.1-2002
  • Common mode
 2.5 kV
  • Differential mode
 2.5 kV
3 MHz, 10 MHz and 30 MHz burst disturbance test

IEC 61000-4-18

IEC 60255-26, class III
  • Common mode
 2.5 kV
Electrostatic discharge test

IEC 61000-4-2

IEC 60255-26

IEEE C37.90.3-2001
  • Contact discharge
 8 kV
  • Air discharge
 15 kV
Radio frequency interference test

10 V (rms)

f = 150 kHz...80 MHz

IEC 61000-4-6

IEC 60255-26, class III

10 V/m (rms)

f = 80...2700 MHz

IEC 61000-4-3

IEC 60255-26, class III

10 V/m

f = 900 MHz

ENV 50204

IEC 60255-26, class III

20 V/m (rms)

f = 80...1000 MHz

IEEE C37.90.2-2004
Fast transient disturbance test

IEC 61000-4-4

IEC 60255-26

IEEE C37.90.1-2002
  • All ports
 4 kV
Surge immunity test

IEC 61000-4-5

IEC 60255-26
  • Communication
 1 kV, line-to-earth
  • Other ports

4 kV, line-to-earth

2 kV, line-to-line
Power frequency (50 Hz) magnetic field immunity test IEC 61000-4-8
  • Continuous
  • 1...3 s

300 A/m

1000 A/m
Pulse magnetic field immunity test

1000 A/m

6.4/16 µs

IEC 61000-4-9
Damped oscillatory magnetic field immunity test IEC 61000-4-10
  • 2 s
 100 A/m
  • 1 MHz
 400 transients/s
Voltage dips and short interruptions

30%/10 ms

60%/100 ms

60%/1000 ms

>95%/5000 ms

 IEC 61000-4-11

Power frequency immunity test

Binary inputs only

IEC 61000-4-16

IEC 60255-26, class A
  • Common mode
 300 V rms
  • Differential mode
 150 V rms
Conducted common mode disturbances

15 Hz...150 kHz

Test level 3 (10/1/10 V rms)

 IEC 61000-4-16
Emission tests

EN 55011, class A

IEC 60255-26

CISPR 11

CISPR 12
  • Conducted

0.15...0.50 MHz

<79 dB (µV) quasi peak

<66 dB (µV) average

0.5...30 MHz

<73 dB (µV) quasi peak

<60 dB (µV) average
  • Radiated

30...230 MHz

<40 dB (µV/m) quasi peak, measured at 10 m distance

230...1000 MHz

<47 dB (µV/m) quasi peak, measured at 10 m distance

1…3 GHz

<76 dB (µV/m) peak

<56 dB (µV/m) average, measured at 3 m distance

3…6 GHz

<80 dB (µV/m) peak

<60 dB (µV/m) average, measured at 3 m distance