1Hoeffelman_BE_ALPHA 2_Block 1

Barcelona 12-15 May 2003

EMI-EMF update

Recent achievement and work going on in relevant WG’s

Jean HoeffelmanELIA- Belgium

2Hoeffelman_BE_ALPHA 2_Block 1

Barcelona 12-15 May 2003

CIGRE-CIRED

WG C4.04 « EMC and EMF – general aspects »

Guides and tutorials• Guide on EMC in power plants and substations

(1997)• Magnetic field in HV cable systems (1996)• Guides on EMF and Corona (1974-1980-1997)

3Hoeffelman_BE_ALPHA 2_Block 1

Barcelona 12-15 May 2003

EMC (EMI)

• « EMI characterization of HV substations:updated data and influence on immunity assessment » (Cigré 2002)

• Position paper on transient immunity tests

• Proposals for in situ testing

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Barcelona 12-15 May 2003

EMF

• TF C4.04.01: Measurements and modeling

• TF C4.04.02: Magnetic field mitigation techniques

• TF C4.04.03: Magnetic field indices

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Barcelona 12-15 May 2003

Link with IEC and Cenelec

• IEC TC 77 and SC 77 B

61000-6-5: Immunity for power station and substation environment

• TC 106 and 106X: EMF associated with human exposure

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Barcelona 12-15 May 2003

CIGRE-CIRED

WG C4.02 « EMC with telecommunication circuits, LV systems and metallic structures »

Guides and tutorials• Guide on the influence of HV AC Power Systems on

Metallic Pipelines (1995)• Methods for measuring the earthing of transmission towers

equipped with earth wires (2003 ?)• Guides for AC corrosion on metallic pipelines due to the

influence of ac power lines (in preparation)

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Barcelona 12-15 May 2003

WG C4.02

• Non constant fault current• Harmonic currents• GSM base station on power towers

(collaboration with WG C4.04 and with ITU-T)

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Barcelona 12-15 May 2003

Link with ITU-T: SG5: Protection against electromagnetic environment effects

• Guidelines: « Directives »• Standards: « Recommendations »

K33: Limits for people safetyK53: Values for establishing responsabilitiesKbsp: Radio base stations on power line towers

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Barcelona 12-15 May 2003

Link with Cenelec

• TC 210 and TC9X

prEN 50351Limits relating to the influence of electric power supply and traction systems on telecommunication systems

prEN 30352Basic Std for calculation and measurement methods…

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Barcelona 12-15 May 2003

StandardizationIEC• SC 77 B: revision of 61000-4-12

(oscillatory wave)• CISPR G: includes PLC• CISPR B: includes interferences

from HV equipment• TC 99: 61936-1

(Earthing systems for HV installations) cf. CLC HD 637 S1

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Barcelona 12-15 May 2003

IEC• TC 106

Methods for the assessment of electric and magnetic fields associated with human exposure

WG1: Basic standards: « Measurement and calculation methods for LF E and M fields and induced currents »

WG2: Product standards

WG5: Generic standards