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Electricity Meter

Energy costs are increasing worldwide providing an impetus to greater energy efficiency. For users to benefit from this increased efficiency, an accurate and reliable measurement of consumed energy is necessary. The mechanical electricity meter is being replaced by electronic smart electricity meters with remote load monitoring. Because energy meters are installed in the power distribution network, they are subjected to transients, impulse and damped oscillatory wave (DOW) testing.


EMC PARTNER offers extensive test solutions from one hand to conduct all conducted immunity impulse and insulation tests.

Applications

a.c. and d.c ELECTRICITY METERS

EMC PARTNER offers extensive immunity and insulation test solutions used for qualification of  analog Ferraris and  a.c. /d.c. digital electricity meters with voltage up to 600V and currents up to 125A for household and industrial use according to the common standards  IEC 62052 and EN 50471

DC ELECTRICITY METERS

EMC PARTNER offers also Impulse Generators and Power CDNs for  DC (Direct Current) electricity meters which are used in e.g. DC charging station, solar inverters, IT server farms and other DC platforms. The EMC tests are conducted according to IEC 62053-41 for meters with voltage up to 1500 V DC and currents up to 125A.

SMART ELECTRICITY METERS

SMART Meters are a.c./d.c. Meters or direct current meters used in smart grids and smart homes with the capability of communication  and data transmission via Ethernet, WLAN, PLC or M-BUS. EMC offers  in addition the Impulse Generators and power CDNs also Data CDNs for up to 8 lines and speeds up to 1Gbps.

Applications

The IEC 602555-26 divides the electromagnetic environment into severe (zone A) and typical (zone B), whereas IEC 61000-6-5 divides the installation environment into 4 zones from inside to outside EMC protected area.  EMC PARTNER offers EMC test equipment for both zones to conduct all impulse, transients and power fail tests, including EFT up to 4kV, Surge up to 4kV, Damped oscillatory waves up to 2kV as well as Dips/interrupts and insulation test up to 8kV.

Transmission Lines Protection

Transformer Protection

Generator Protection

Feeder Protection

Bus Protection

Motor Protection

Application Standards

Relevant product standards for protection relays testing are listed below

  • IEC 62052-11:

    Electricity metering equipment - General requirements, tests and test conditions - Part 11: Metering equipment

  • IEC 62053-41:

    Electricity metering equipment (DC direct current) - Particular requirements - Part 41 - Static meter for active energy (class 0.5 and 1) 

  • IEC 62052-31:

    Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31: Product safety requirements and tests

  • EN 50470-1:

    Electricity metering equipment (a.c.) Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C)

  • EN 50470-3:

    Electricity metering equipment - Part 3: Particular requirements - Static meters for AC active energy (class indexes A, B and C)

Test Types

  • ESD as per IEC 61000-4-2
  • EFT Transients as per IEC 61000-4-4
  • Surge 1.5/50µs & 5/350 µs as per IEC 61000-4-5
  • Ring Wave as per IEC 61000-4-12
  • Damped Oscillatory Wave (DOW)
    as per IEC 61000-4-18
  • Differential mode testing as per IEC 61000-4-19
  • AC Dips and Variations as per IEC 61000-4-11
  • DC dips and interrupts as per IEC 61000-4-29
  • Magnet Fields as per IEC 61000-4-8
  • 1.2/50μs Insulation Test as per IEC 62052-31
  • 0.1/2000 μs Insulation Test as per EN 50471-1

conducted immunity test solutions

 

insulation test solutions

MIG1803

Insulation test system up to 18KV

1.2/50µs lightning impulse generator up to 18 kV with 40 Ohm impedance. High voltage outputs on top plate protected by TC-ST test cabinet. 0.1/2000µs impulse is as well possible in combination with NW-01-2000.

ACCESSORIES

COUPLING/DECOUPLING NETWORKS CDN-A / CDN-M

CDN with voltage capability up to 690 Vac per phase, 1500 Vdc and selectable current ranges up to 200A.

Manual CDNs | Automatic CDNs

AC DIPS & Interrupts PFS / SRC

3-Phase dips generator and transformer suitable for both star and delta connections with selectable dips levels.

PFS Series | SRC Series

NW-01-2000

MIG1203STEP coupling Network for electricity meters

0.1/2000µs waveform Network with 1 Joule impulse energy at 8kV  and 50 Ohm impedance as per EN 50471-1 or similar standards.

NW-NMI-M6C3C4

MIG1803 coupling Network for electricity meters

1.2/50µs waveform with 10 Joule impulse energy at 10kV and 12 kV and 40 Ohm impedance as per NMI M6-1 or similar requirements.

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EMC PARTNER AG
Baselstrasse 160
CH - 4242 Laufen
Switzerland

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