INTERNATIONAL. STANDARD. IEC. First edition. Electricity metering equipment (a.c.) –. General requirements, tests and test conditions –. IEC ELECTRICITY METERING EQUIPMENT (A.C.) – GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS – PART METERING. Buy IEC Ed. Electricity metering equipment (AC) – General requirements, tests and test conditions Part Metering equipment from SAI Global.
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Tests — Tests B: The active tariff rate shall be indicated.
For examples of the test set-up, see Annex E, Figures E. Continuous and long duration electromagnetic eic are considered as influence quantities and the accuracy requirements are given in the relevant standard.
The marking shall be indelible, distinct and legible from outside the meter. Example of test set-up, see Annex E, Figure E. NOTE 2 Operation and storage and transport of the meter at the irc of this temperature range class 3K7 should only be for a maximum period of 6 h.
The principal unit for the measured values shall be the kilowatt-hour kWhkilovar-hour kvarhkilovolt-ampere-hour kVAh or the megawatt-hour MWhmegavar-hour Mvarhmegavolt-ampere-hour MVAh. The tests shall be carried out according to IECunder the following conditions: If the meter terminals are marked, this marking shall appear on the diagram. List of test equipment for IEC 3rd ed. Hammer tests IEC Standard symbols may also be used see IEC An insulation test according to 7.
Testing and measurement techniques — Section 2: For current circuits, the voltage is considered to be the same as for the related voltage circuit.
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The type test defined in 3. Documents Flashcards Grammar checker. It shall be impossible to reset the indication of the cumulative total of electrical energy during use. The clearance and creepage distances between terminals of circuits with reference voltages over 40 V shall not be less than stated in Table 3a. The distortion factor is usually expressed as a percentage 3.
The test shall be carried out according to IECunder the following conditions: Tests — Test Eh: Please assess the standard in the following categories, using the numbers: The auxiliary circuits with a reference voltage below or equal to 40 V shall be connected to earth.
During this test no flashover, disruptive discharge or puncture shall occur. Testing and measurement techniques — Section During the test, the behaviour of the equipment shall not be perturbed and the variation of the jec shall be within the limits as specified in the relevant standards.
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Testing and measurement techniques — Section 5: For testing purposes, the register of the electricity meter shall have a resolution of at least 0,01 units. After the test, the meter shall show no damage and shall operate correctly. Testing and measurement techniques — Section 4: During the test, the duration of which shall be 2 h, the meter shall be exposed neither to draught nor to direct solar radiation. In the case of multiple values presented iex a single display it shall be possible to display the content of all relevant memories.
It comprises one or more magnets and their adjusting devices.