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Damped Oscillatory Magnetic Field Immunity Test

　　1. Overview

　　The damped oscillating magnetic field is generated when the isolating switch is engaged with the high-voltage bus.

　　This standard test is mainly used for electronic equipment installed in high voltage substations.

　　The waveform of the damped oscillating magnetic field is as follows:

Damped oscillation magnetic field test generator output current waveform (sine wave)

　　2. Test method and test layout

 

 Desktop equipment layout

 

　　3. System Configuration

serial number

product

illustrate

brand

3.1

OCS 500N6F.3

Fast damped oscillatory wave simulator , conforming to IEC 61000-4-18 standard , built-in three-phase coupling / decoupling network , 3*400V AC (pp)/32A ; with USB- optical remote control interface , including optical fiber link

EM TEST/ Switzerland

3.2

S-DOW/N6F

Slow Damped Oscillatory Wave Module for OCS 500N6F Series, IEC 61000-4-18 Compliant

EM TEST/ Switzerland

3.3

RWG/N6F

Ring wave module , suitable for OCS 500N6F series , complies with IEC 61000-4-12 and ANSI/IEEE C62.41 standards

EM TEST/ Switzerland

3.4

CA OCS F Kit

Calibration kit for OCS 500N6F series; including 1 KW 1000, 1 KW 0R1, CA MA F and plastic case

EM TEST/ Switzerland

3.5

CNV 504N5.1

3kV coupling and decoupling network, 4 wires, used for 100KHz and 1MHz oscillatory wave test, coupling capacitance 0.5uF, R = 100 Ohm, decoupling inductance >1.5mH; rated voltage / current 50V/4A

EM TEST/ Switzerland

3.6

CNV 508N4

3kV coupling and decoupling network, according to the standard IEC 60255 , 8 wires, used for 1MHz oscillatory wave test, coupling capacitor 0.5uF, decoupling inductor > 1.5mH; rated voltage / current 250V/4A

EM TEST/ Switzerland

3.7

iec.control 1

Remote control and report generation software that can control 1 test equipment, suitable for UCS , EFT , VCS , PFS , TSS and other test equipment

EM TEST/ Switzerland

3.8

Control-tab

computer

Wisdom / China

3.9

EMS-TAB

EMS test environment, including test table, horizontal coupling board, insulation support, etc., including vertical equipment / desktop equipment. Specifically includes a 2.02*1.02*0.8m solid wood test table, a 2.0*1.0m*1.2mm thick galvanized steel plate; 3m*2m , thickness: 1.2mm , a set of hinged ground reference boards; 2 meters of copper braid 1 grounding wire ; 2 grounding copper noses ; 4 sets of M8 wing nuts, bolts (length 25mm ), flat gaskets ; 2 sheets of EPE pearl cotton 110*50*5cm ;

Wisdom / China

3.10

MFC 1000

Magnetic field coil , 1m * 1m, complies with EN 61000-4-8 and IEC61000-4-9 standards , magnetic field strength up to 300 A/m continuous, 1,200 A/m short , 3,000 A/m instantaneous (with Power frequency magnetic field sharing)

EM TEST/ Switzerland

Century Wisdom (Suzhou) Testing Technology Co., Ltd

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