Annex V to Directive 2014/32/EU is amended as follows:
(1) the part DEFINITIONS is amended as follows:
(a) the introductory sentence is replaced by the following:
An active electrical energy meter is an instrument designed to measure and to ensure the memorisation and display of the active electrical energy consumed in a circuit or transferred between circuits.;
(b) the table is amended as follows:
(i) the third and fourth rows are replaced by the following:
Ist=the lowest declared value of I at which the meter registers active electrical energy, and, for AC only, also at unity power factor (polyphase measuring systems with balanced load);
Imin=the value of I above which the error lies within MPEs, and, for AC only, also polyphase meters measuring systems with balanced load;
(ii) the ninth and eleventh rows are replaced by the following:
f=the frequency of the voltage supplied to the meter, for AC electrical energy meters only;
fn=the specified reference frequency, for AC electrical energy meters only;
PF=power factor = cosφ = the cosine of the phase difference φ between I and U, for AC electrical energy meters only.
(2) the part SPECIFIC REQUIREMENTS is amended as follows:
(a) in point 2, the last two paragraphs are replaced by the following:
The operating ranges within which the meter shall satisfy the MPE requirements are specified in Table 2.
For AC electrical energy meters, the voltage, frequency and power factor ranges shall be at least:
0,9·Un ≤ U ≤ 1,1·Un;
0,98·fn ≤ f ≤ 1,02·fn;
0,5 inductive ≤ PF ≤ 1 and 0,8 capacitive ≤ PF ≤ 1.
For DC electrical energy meters, the voltage range that can be measured by the meter shall be between the lowest and the highest rated voltage.;
(b) in point 3, the second paragraph is replaced by the following:
When the meter is operating under rated operating conditions, the percentage errors shall not exceed the limits given in Table 2.;
(c) in point 3, Table 2 is amended as follows:
(i) in the third row, the fifth column is replaced by the following:
below –25 oC or above +55 oC;
(ii) the fifth row is replaced by the following:
Single phase meter; polyphase meter if operating with balanced loads; DC electrical energy meter;
(d) in point 4.1, the first and second paragraphs are replaced by the following:
As electrical energy meters are directly connected to the electrical supply and as current is also one of the measurands, a special electromagnetic environment is used for electrical energy meters.
The meter shall comply with the electromagnetic environment E2 for AC electrical energy meters and DC electrical energy meters, as well as with the additional requirements set out in points 4.2 and 4.3.;
(e) in point 4.2, Table 3 is amended as follows:
(i) the third row, first column is replaced by the following:
Reversed phase sequence, for AC electrical energy meters;
(ii) the fifth row, first column is replaced by the following:
Harmonic contents in the current circuits (1) for AC electrical energy meters only;
(iii) the sixth row, first column is replaced by the following:
DC and harmonics in the current circuit (1) for AC electrical energy meters only;
(f) points 5.4 and 5.5 are replaced by the following:
5.4. Running with no load
When the voltage is applied without any current flowing in the current circuit, the meter shall not register any energy.
5.5. Starting
The meter shall start and continue to register at a rate of change of energy equal to the product of the smallest voltage within the rated operating conditions and Ist..
Text as published in the Official Journal, reproduced verbatim (including any typographical quirks of the source). For the authentic version, see EUR-Lex.