Substation - Parnithos Street, Acropolis, Nicosia

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This report was prepared by the Electromagnetics and Novel Applications Laboratory of the University of Cyprus within the framework of measuring and assessing the electric and magnetic field levels by AC power systems at the area of interest:

·         Substation Parnis at Parnithos Street and apartment at Alkistidos Street, Acropolis Nicosia on the 03/06/2019 from 16:30 pm until 17:30 pm.

The measurements were performed according to the measurements of low-frequency magnetic and electric fields with regard to exposure of human beings (IEC 61786:1998) and measurement procedures with regard to public exposure (IEC 62110:2009). More specifically, three-point measurements were performed to assess the fields (assuming non-uniform fields) in the range of 5 Hz – 32 kHz using the EFA-300 Isotropic Field Analyser. The measurements were performed at the position of interest at three heights 0.5 m, 1.0 m and 1.5 m. above the ground or floor level of the building. Beside power equipment or in a building, measurement was performed at a horizontal distance of 0.2 m and 2.0 m from its surface or boundary wall. It is important to note that in this investigation additional point measurements were taken at locations indicated by the customer (non-standardized measurements outside the measurement procedures with regard to public exposure (IEC 62110:2009).

The recorded measurements were compared to the reference levels described in the Council Recommendation of 12th July 1999 on the limitation of exposure of the general public to electromagnetic fields (0 Hz to 300 GHz), 1999/519/EC. Respect to the recommended reference levels will ensure respect to the basic restrictions. The reference levels of exposure provided in 1999/519/EC are in accordance to the Cypriot Legislation.

The maximum magnetic field values measured at the area of interest are summarized in the following Tables.

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Starting Point

Measurement height (m)

Magnetic field level (µT)

Field quantity

Frequency (Hz)

ICNIRP General Public (%)

Distance from starting point (m)

4

0.5 (above ground level)

3.257

resultant magnetic field

51

3.322

1.0 (above ground level)

3.522

resultant magnetic field

50

3.522

1.5 (above ground level)

2.159

resultant magnetic field

50

2.159

-

2.979

three-point average

2.999

Maximum magnetic field values outside the substation, 0.2 m away from the left side boundary wall.

 

Starting Point

Measurement height (m)

Magnetic field level (µT)

Field quantity

Frequency (Hz)

ICNIRP General Public (%)

Measuring point

1

0.5 (above ground level)

0.003

resultant magnetic field

5

0.0002

Inside Apartment

1.0 (above ground level)

0.003

resultant magnetic field

7

0.0004

(Balcony)

1.5 (above ground level)

0.003

resultant magnetic field

6

0.0003

 

 

0.003

three-point average

 

0.0003

2

0.5 (above ground level)

0.002

resultant magnetic field

6

0.0002

Inside Apartment

1.0 (above ground level)

0.002

resultant magnetic field

5

0.0001

(Kitchen)

1.5 (above ground level)

0.002

resultant magnetic field

5

0.0001

 

 

0.002

three-point average

 

0.0001

3

0.5 (above ground level)

0.001

resultant magnetic field

5

0.0001

Inside Apartment

1.0 (above ground level)

0.002

resultant magnetic field

6

0.0002

(Living Room)

1.5 (above ground level)

0.002

resultant magnetic field

5

0.0001

 

 

0.002

three-point average

 

0.0001

4

0.5 (above ground level)

0.002

resultant magnetic field

6

0.0002

Outside Area Point A

1.0 (above ground level)

0.002

resultant magnetic field

5

0.0001

 

1.5 (above ground level)

0.002

resultant magnetic field

7

0.0003

 

 

0.002

three-point average

 

0.0002

5

0.5 (above ground level)

0.002

resultant magnetic field

5

0.0001

Outside Area Point B

1.0 (above ground level)

0.002

resultant magnetic field

5

0.0001

 

1.5 (above ground level)

0.003

resultant magnetic field

6

0.0002

 

 

0.002

three-point average

 

0.0002

Maximum magnetic field values at the area of interest (apartment and field).


From the measurements performed it can be concluded that the:

·         Magnetic field measurements performed at the area of interest were below the recommended General Public reference levels of the National Exposure Limits provided in 1999/519/EC.