11 ELECTROMAGNETIC COMPATIBILITY
11.1 1 MHZ BURST HIGH FREQUENCY DISTURBANCE TEST
Compliance IEC 60255-22-1: 2008, Class III
Common-mode test voltage (level 3) 2.5 kV
Differential test voltage (level 3) 1.0 kV
11.2 DAMPED OSCILLATORY TEST
Compliance
EN61000-4-18: 2011: Level 3, 100 kHz and 1 MHz. Level 4: 3 MHz,
10 MHz and 30
MHz
Common-mode test voltage (level 3) 2.5 kV
Common-mode test voltage (level 4) 4.0 kV
Differential mode test voltage 1.0 kV
11.3 IMMUNITY TO ELECTROSTATIC DISCHARGE
Compliance IEC 60255-22-2: 2008 Class 3 and Class 4,
Class 4 Condition 15 kV discharge in air to user interface, display, and exposed metalwork
Class 3 Condition 8 kV discharge in air to all communication ports
11.4 ELECTRICAL FAST TRANSIENT OR BURST REQUIREMENTS
Compliance IEC 60255-22-4: 2008 and EN61000-4-4:2004. Test severity level lll and lV
Applied to communication inputs Amplitude: 2 kV, burst frequency 5 kHz and 100 KHz (level 4)
Applied to power supply and all other
inputs except for communication inputs
Amplitude: 4 kV, burst frequency 5 kHz and 100 KHz (level 4)
11.5 SURGE WITHSTAND CAPABILITY
Compliance IEEE/ANSI C37.90.1: 2002
Condition 1
4 kV fast transient and 2.5 kV oscillatory applied common mode and differential
mode to opto inputs, output relays, CTs, VTs, power supply
Condition 2
4 kV fast transient and 2.5 kV oscillatory applied common mode to
communications, IRIG-B
Chapter 16 - Technical Specifications MiCOM P747
402 P747-TM-EN-1
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