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Pentru a dezvolta activitati in domeniul incercarilor, ICMET a infiintat primul laborator modern din Romania pentru Compatibilitate Electromagnetica (CEM) destinat sa asigure compatibilitatea electromagnetica pentru echipamente electrice si electronice.
Laboratorul este rezultatul cooperarii stranse intre ICMET Craiova si Phsikalisch Technische Bundesanstalt- PTB Braunschweig, Germany.
In prezent incercarile de imunitate si masurarea perturbatiilor conduse executate de catre acest laborator sunt acreditate de catre RENAR.
In anul 2000 a fost pusa in functiune camera semi-anechoica, prima de acest fel in Romania.

Certificat RENAR
Camera semi-anechoica (SAC) de la ICMET Craiova

Caracteristici Tehnice

Imunitatea in conformitate cu
EN 61000-4-3 in zona de masurare (LxH=1,5x1,5 m) camp uniform in limite de toleranta impuse
(0 dB, +6DB) pentru cel putin 75% din zona (12 din cele 16 puncte de masurare)
Distanta de masurare: 3 m
Prevederile EN 61000-4-3 sunt garantate in domeniul de frecventa: 80MHz-18 GHz
Perturbatiile radiate in conformitate cu EN 55022: Preconformitate

In zona “moarta” (diametru 1 m)

  • 30-90MHz NSA: 9,5dB
  • 90-200MHz NSA: 6,5dB
  • 200-1GHz NSA: 4dB
  • 1-18GHz NSA: 4dB

Solutie tehnica

Carcasa ecranata: constructia facuta din tabla subtire de 1,5 mm OL sudata in atmosfera neutra.
Captusit cu piramide de absorbtie facute din spuma poliuretanica impregnata de particule de carbon fixate cu adeziv acrilic rezistent la temperatura pana la 600 C (30 sec) si stationat in campuri electrice pana la 350V/m.

Dimensiunile geometrice: 8 m x 4 m x 4 m

Dimensiunile unei camere uzuale: 6,885 m x 2,680 m x 3,340 m

Plafonul, peretii laterali, peretele din spatele EUT
APM 66 610 mm x 610 mm x 660 mm

Peretele din spatele antenei
APM 45 610 mm x 610 mm x 455 mm

Colturile camerei (absorbant plan)
P75 1220 mm x 610 mm x 75 mm

  • Greutatea totala a absorbantului : 1500 Kg
  • Fixarea absorbantului: fixare adeziva neinflamabila

Gradul de reflexie al absorbantului (dB): conform cu tabelul

Frecventa
80MHz
100MHz
150MHz
300MHz
500MHz
1GHz
2GHz
8GHz
12GHz
>18GHz
APM45
-1,5
-3
-8
-22
-28
-33
-36
-48
-49
-53
APM66
-6
-8
-12
-24
-30
-40
-45
-50
-50
-53

Imagini

Vedere din interiorul camerei semi-anechoice
Detaliu usa acces
Camera de control

Immunity Tests

Emission Measurements

List of Equipment and Measuring Instruments within EMC Laboratory



Immunity Tests

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Standard

Tests

Description

Technical Data

Scope

ELECTROSTATIC DISCHARGES

EN 61000 - 4 - 2

IEC 61000 - 4 - 2

 Electrostatic
discharges

8 kV (contact)

15 kV (air)

Immunity of equipment subjected to static electricity discharges from operators directly or to adjacent objects

ACCREDITED BY RENAR

RADIATED DISTURBANCES

 EN 61000 - 4 - 3

IEC 61000 - 4 - 3

Radiated electromagnetic energy
10 V / m
(d = 3 m)
80 MHz - 3GHz
0 - 100% AM
(1 kHz)
Immunity of equipment subjected to radio-frequency electromagnetic fields
ACCREDITED BY RENAR

2004/104/EC

ISO 11452-1,2,4,5

 
Imunitate la radiatii electromagnetice
  Subansambluri electrice si electronice auto (ESA)
ACCREDITED BY RENAR

MILD-STD-461E

RS101

 
Imunitate la radiatii electromagnetice
Echipamente si subsisteme electronice destinate echipamentelor militare

ACCREDITED BY RENAR

CONDUCTED DISTURBANCES

 EN 61000 - 4 - 4

IEC 61000 - 4 - 4

 Electrical fast transient / burst
4 kV max.
5 / 50 ns
Impulse
Variable
frequency
Immunity at transient disturbances, such as those originating from switching transients (interruption of inductive loads, relay contact bounce, etc.)

ACCREDITED BY RENAR

 EN 61000 - 4 - 5

IEC 61000 - 4 - 5

 

Surge immunity tests

4.5 kV/2.25 kA
1.2 / 50 m s
8 / 20 m s
Impulse

Immunity to unidirectional surges caused by over-voltages from switching and lightning transients

ACCREDITED BY RENAR

EN 61000 - 4 - 6

IEC 61000 - 4 - 6

Conducted disturbances, induced by radio-electric fields

80 Veff
9 kHz - 80 MHz
80 % AM (1kHz)

 Immunity at conducted disturbances, induced by radio-electric fields, coming from intended RF trans-mitters

ACCREDITED BY RENAR

EN 61000 - 4 - 8

IEC 61000 - 4 - 8

EN 61000 - 4 - 9

IEC 61000 - 4 - 9

Power frequency and pulse magnetic fields

50 Hz
1-100 A/m
8/20 m s
1-1000 A/m

Immunity at power frequency and pulse magnetic fields, generated by coils

ACCREDITED BY RENAR

EN 61000 - 4 - 11

IEC 61000 - 4 - 11

Voltage dips, short interruptions and voltage variations

0 - 100 % UN

10000 ms

Immunity at voltage dips, short interruptions and voltage variations for electric equipment not exceeding 16 A / phase

ACCREDITED BY RENAR

EN 61000 - 4 - 12

IEC 61000 - 4 - 12

Oscilatory waves

- 100kHz/4kV

-0,1 and 1MHz/

2,5kV

Immunity at oscillatory waves for electrical and electronic equipment

In progress

204/104/EC

ISO 7637-1,2

ISO DIS 7637-3

IEC 60839-10-1

  Imunitate la perturbatii tranzitorii   Subansambluri electrice si electronice auto (ESA)
ACCREDITED BY RENAR

MIL-STD-461E

CS 101, 109, 114, 115, 116

 

Imunitate la perturbatii conduse

Echipamente si subsisteme electronice destinate echipamentelor militare

ACCREDITED BY RENAR

Emission Measurements

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Standard

Tests

Description

Technical Data

Scope

CONDUCTED DISTURBANCES

 

EN 55011

CISPR 11 - IEC

 

 Electromagnetic disturbances at radio-frequency

 

 0,15 - 30 MHz

 

Measurement of radio-frequency disturbances for industrial, scientific and medical equipment

ACCREDITED BY RENAR

 

EN 55014

CISPR 14 - IEC

 

 Electromagnetic disturbances at radio-frequency

 

0,15 - 30 MHz

Measurement of radio-frequency disturbances for motor operated and thermal appliances for household and similar purposes, electric tools, etc.

ACCREDITED BY RENAR

EN 55015

CISPR 15 - IEC

 

 Electromagnetic disturbances at radio-frequency

 

0,15 - 30 MHz

Measurement of radio-frequency disturbances for electrical lighting and similar equipment

ACCREDITED BY RENAR

EN 55022

CISPR 22 - IEC

 Electromagnetic disturbances at radio-frequency


 0,15 - 30 MHz

Measurement of radio-frequency disturbances for information technology equipment

ACCREDITED BY RENAR

EN 55014-1

CISPR 14-1- IEC

Discontinous disturbances (clicks)


 148,5 kHz - 30 MHz

Measurement of discontinous disturbances forhousehold and similar equipment

ACCREDITED BY RENAR

EN 55015

CISPR 15-IEC

 
Insertion loss
150 kHz -
1605 kHz
Measurement of insertion loss for electrical lighting and similar equipment
ACCREDITED BY RENAR

EN 55017

CISPR 17-IEC

 
Insertion loss
10 kHz -
1000 MHz
Measurement of insertion loss of passive radio interference filters
ACCREDITED BY RENAR

EN 61000 - 3 - 2

IEC 61000 - 3 - 2

Harmonics current emmissions
100 Hz -
2 kHz
(n=2 - 40)
Measurement of Harmonics Emmisions for non-professional equipment up to 16A/phase
ACCREDITED BY RENAR

2004/104/EC

ISO 7637-1,2

EN 55025

EN 55012

 
Masurare emisii tranzitorii
  Subansambluri electrice si electronice auto (ESA)
ACCREDITED BY RENAR

MIL-STD-461E

CE 101, 102

 

Masurare emisii conduse

 

Echipamente si subsisteme electronice destinate echipamentelor militare

ACCREDITED BY RENAR

EN 61000 - 3 - 3

IEC 61000 - 3 - 3

Voltage fluctuations and flicker emmissions
-Short-term flicker Pst
-Long-term flicker Plt
-Relative voltage charge dc
-Maximum voltage charge dmax
Measurement of voltage fluctuations and flicker for electronic equipment up to 16A/phase

ACCREDITED BY RENAR

RADIATED DISTURBANCES

EN 55011

CISPR 11 - IEC

Electromagnetic disturbances at radio-frequency 0,15 - 1000 MHz Measurement of electromagnetic disturbances for industrial, scientific and medical equipment
In progress

MIL-STD-461E 6

RE 102,103

 
Masurare emisii radiate la RF
  Echipamente si subsisteme electronice destinate echipamentelor militare
ACCREDITED BY RENAR

EN 55025

EN 55012

2004/104/EC

 
Masurare emisii radiate
  Subansambluri electrice si electronice auto (ESA)
ACCREDITED BY RENAR

2004/40/EC

1999/513/EC

 

Masurare campuri electromagnetice

Medii industriale statii de transformare statii de distributie , hale etc

Medii rezidentiale cladiri birouri,sedii firme etc

ACCREDITED BY RENAR

EN 55014-1

CISPR 14 - 1 - IEC

 

Electromagnetic disturbances at radio-frequency

30 - 300 MHz

Measurement of electromagnetic disturbance for motor - operated and thermal appliances for household and similar purposes, electric tools etc (disturbance power)

ACCREDITED BY RENAR

EN 55015

CISPR 15 - IEC

Measurements in three directions of magnetic field components
0,09 - 30 MHz
Measurement of electromagnetic disturbance for electrical lighting and similar equipment

ACCREDITED BY RENAR

EN 55022

CISPR 22 - IEC

 

Electromagnetic disturbances at radio-frequency

 30 - 1000 MHz

Measurement of electromagnetic disturbances for information technology equipment

In progress



List of Equipment and Measuring Instruments within EMC Laboratory

Go top

Semi Anechoic Chamber
8 x 4 x 4 m ; 3 m Measuring Distance

10 V/m
80 MHz – 1 GHz

Measuring Screened Chamber
4 x 2 x 0,8 m

> 80 dB Shielding Effectiveness

Screened Room
5725 x 2350 x 2625 mm
> 120 dB Shielding Effectiveness
Helmholtz Coils System
2,450mT

Electromagnetic Interference Receiver
Type SMV 42, with internal power supply (battery unit)

9 kHz - 2.6 GHz

Artificial Network
Type NNB 41

9 kHz - 30 MHz

Absorbing Clamp
Type AMZ 41

30 MHz - 1 GHz

Electric Field Meter
Type EMR 20

100 kHz - 3GHz

Three-phase Artificial Mains Network
Type LT 32/C
9kHz - 30MHz

Magnetic Field Analyser
Type EFA 1

5 Hz - 30 kHz

Broadband Hybrid Antenna
Type HL 1000

20 MHz - 1 GHz

Signal Generator
Type SMY 02

9 kHz – 2.08 GHz

Power Meter
Type NRVS

DC - 26.5 GHz

Thermal Power Sensor
Type NRV - Z 51

DC - 18 GHz

Dual Directional Coupler
Type DC 3002

100 kHz - 1 GHz

Power Amplifier
Type 100W1000M1

80 MHz - 1 GHz

Combination Wave Generator
Type CWG 4 - 412

50 - 4500 V

Electrical Fast Transient Generator
Type EFTG 4502

200 - 4400 V

Electrostatic Discharge Simulator
Type ESDC 30

0 - 15 kV

Voltage Interruption Simulator
Type VIS 700

0 - 280 V

Generator/Amplifier/RFVoltmeter
Type CDG 6000
100 kHz-266MHz
Transfer Field Strength Meter with µ-TEM Cell
Type TFS 11
10 MHz-1 GHz
Electromagnetic Field Meter
Type EnviroMentor

0-1000 V/m

0,05-100 µT

Digital Oscilloscope
Type TDS 524 A

500 MHz

Absorbing Clamp
Type F-201
300 MHz-1000 MHz
Click analyzer
Type CL 55C
150 kHz, 500 kHz,
1.4MHz, 30 MHz
Loop Antenna
Type TLA300
9 kHz-30 MHz

Passive Probe
Type HVP1/1000

9 kHz-30 MHz
Spectrum Analyzer
Type FSH 3
100 kHz-3 GHz
Digital Multimeter
Type Keithley 2000
100 mV-1000 V
Field Generator
Type Ref Rad 3000
1 MHz-3 GHz
Flicker & Harmonics Analyzer
Type HAR 100-1P
50 Hz-2 kHz

Near Field Sniffer Probes
Type HZ 530

0,1 MHz – 1 GHz


 

Persoana de contact: Ing.Paul Nicoleanu
Telefon: 0351 404888; 0351 404889
FAX: 0351 404890
e-mail: cem@icmet.ro


 

Lista de referinte :

Download document


 

Publicatii

  • A.Marinescu, Fl. Urzica, "Electric Field Calculation in the Measuring area of Semi-anechoic Chamber", EMC Workshop, Cagliari, Italy, May 2000
  • A.Marinescu, A. Scornea, G.Mihai, I.Dumbrava,"Laboratory for the HF Electromagnetic Field Probes Calibration", International Conference METSIM '2002, Bucharest, June 2002
  • I.Dumbrava, A.Marinescu, G.Mihai, A. Scornea, "Laboratory for Frequency Magnetic Field Probes Calibration", SICEM 2002, Bucharest, September 2002
  • A. Marinescu, A. Scornea, "Some Aspects about the Measurement Uncertainties Calculation in EMC", SICEM 2002, Bucharest, September 2002
  • I. Dumbrava, A. Marinescu, G. Mihai, "Software for Calibration Systems from an EMC Laboratory", SICEM 2002, Bucharest, September 2002
  • A. Marinescu, A. Scornea, I. Dumbrava, G. Mihai (Romania), J. Glimm, K. Munter, R. Pape (Germany), "Antenna Field Calibration Laboratory for RF Electromagnetic Field Meters", The 2003 IEEE International Symposium on EMC, Istanbul, Turkey, May 2003
  • A. Marinescu, I.Dumbrava , P.Nicoleanu, "Evaluation of Electric Equipment Conformity Regarding
    Current Harmonics and Flicker Level", SICEM 2003, Bucharest, September 2003
  • A.Vintila, "Construction of Shielded Rooms", SICEM 2003, Bucharest, September 2003
  • A.Marinescu, F.URZICA, "Numerical Modeling of Antennas Using FDTD", SICEM 2003, Bucharest, September 2003
  • A.Marinescu,G.Mihai, P.Nicoleanu, “Study of magnetic field distribution in residential areas and methods to decrease population exposure", Scientific Paper Section with international participation Military Technical Academy, 3-4 November 2005, Bucharest
  • A.Marinescu, G.Mihai, P.Nicoleanu, C.Vargatu, „Artificial Networks Used in Electromagnetic Compatibility ”, SICEM 2005, University „Politehnica” of Bucharest 21 September 2005
  • A.Marinescu, G.Mihai,P.Nicoleanu, C.Vargatu, "Electromagnetic Compatibility of the Electrical Lighting Equipments”, SICEM 2005, University „Politehnica” of Bucharest 21 September 2005
  • A.Marinescu, A.Vintila, G.Mihai, "Shielded Room from Panels”, SICEM 2005, University „Politehnica” of Bucharest 21 September 2005

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