IEC 62040-2 PDF
this publication, including its validity, is available in the IEC Catalogue of IEC , Uninterruptible Power Systems (UPS) – Part 2: Electromagnetic. AC inlet according to IEC Comply with IEC or relevant component (see clause of IEC and clause. Electromagnetic compatibly. P. Complies with IEC See TR-No: Ber_2. P. Signalling circuits. P. Complies with IEC
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IEC Edition REDLINE VERSION. Uninterruptible power systems (UPS) –. Part 2: Electromagnetic compatibility (EMC) requirements. IEC is available as IEC RLV which contains the International Standard and its Redline version, showing all. EN_pdf - Download as PDF File .pdf), Text File .txt) or read online. The text of the International Standard IEC was approved by.
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Create New Account. Product Details: June Status: Active, Most Current Document Language: Published By: No DoD Adopted: There is no abstract currently available for this document. A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions.
EN This European Standard supersedes EN The following dates were fixed: This European Standard makes reference to International Standards. Where the International Standard referred to has been endorsed as a European Standard or a home-grown European Standard exists, this European Standard shall be applied instead. Figure 1 — Examples of ports C2 and C3 as defined in this part of IEC This part of IEC takes into account the differing test conditions necessary to encompass the range of physical sizes and power ratings of UPS.
This part of IEC states: Special installation environments are not covered. Checking is generally done after installation in its final place of use. This part of IEC does not cover d. These levels cannot.
EMC phenomena produced by any customers' load connected to the output of the UPS equipment shall not be taken into account. Equipment of category 4 is treated as a fixed installation. Sometimes partial checking may be done before. Specification for radio disturbance and immunity measuring apparatus and methods — Part Testing and IEC Electromagnetic compatibility EMC — Part Electromagnetic compatibility EMC measurement techniques — Electrostatic discharge immunity test Part Uninterruptible power systems UPS — Part 3: Environment — Compatibility levels for low-frequency conducted disturbances and signalling in public lowvoltage power supply systems IEC Testing and measurement techniques — Power frequency magnetic field immunity test IEC IEC Testing and measurement techniques — Immunity to conducted disturbances induced by radio-frequency fields IEC Electromagnetic compatibility EMC Part Testing and measurement techniques Radiated.
Testing and measurement techniques — Surge immunity test IEC Information technology equipment — Radio disturbance characteristics — Limits and methods of measurement.
For undated references. For dated references. Such UPS are suitable for use in residential establishments. UPS emission limits and withstand the immunity requirements of Table 6. Such UPS are suitable for use in commercial or industrial installations having a minimum boundary of 30 m from other buildings classified as first environment. In a residential environment. This is a category C2 UPS product. UPS of category C2 or C3 should be used. If the environment has been determined as the second environment.
UPS of category C1 or C2 should be used. If the environment is not covered exclusively either by the first or second environment. This is a product for commercial and industrial application in the second environment installation restrictions or additional measures may be needed to prevent disturbances. Such UPS may also be used in the first environment when connected: The following wording shall be included in the instructions for use. The UPS of category C4 is not limited by current ratings.
UPS of category C4 should be used. UPS operating modes normal mode and stored energy mode shall be investigated. The objective of 5. The tests shall be made with the UPS in the following conditions: An attempt should be made to maximise the emission by varying the test set-up configuration of the test sample.
These emission limits represent essential electromagnetic compatibility requirements. Test requirements are specified for each port considered. Refer to Annex A for test methodology. NOTE 2 In special cases. The emission requirements have been selected so as to ensure that disturbances generated by UPS operating normally do not reach a level which could prevent other apparatus from operating as intended.
A list of auxiliary accessories. If the reading on the measuring receiver shows fluctuations close to the limit. If the average limit is met when using a quasi-peak detector receiver.
Any restriction on the length of the a. The UPS shall meet both the average and quasi-peak limit when using. Refer to Annex A for test set-up and measurement criteria.
UPS a. Conducted emission tests in 5. The configuration and mode of operation during measurement shall be precisely noted in the test report. If the UPS is part of a system or can be connected to auxiliary accessories. For in situ testing. The tests shall be carried out within the specific operating environment range for the UPS and at its rated supply voltage.
These limits only apply to UPS where the output cable. The lower limit shall apply at the transition frequency. The values shall be measured using a voltage probe in accordance with A. If the emission measurement at 10 m cannot be made because of high ambient noise levels or for other reasons. NOTE 1 The test distance is 10 m.
For floor-standing UPS. For table-top UPS. Where a UPS is provided with terminals for the connection of an external d. No limits apply for radiated emission below 30 MHz. The effect of conducted interference on the d. For large UPS.
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NOTE 2 Additional provisions may be required for cases where interference occurs. Measurements methods and informative limits for study are given in Annex B. Refer to Annex D for test methodology. NOTE In special cases. The performance criteria adequate for UPS are given in Table 4. In these instances. The UPS shall be specified with the proper level in case of different levels of performance criteria.
These test requirements represent essential electromagnetic compatibility immunity requirements. The levels given in this clause do not cover extreme cases.
For such cases. Refer to Annex B for measurement methods and informative limits. Table 4 — Performance criteria for immunity tests Criterion A Output characteristics Voltage permitted to vary only within the steady-state characteristics applicable m sec limits in Figures 1.
Applicable only to ports or interfaces with cables whose total length according to the manufacturer's functional specification may exceed 3 m. Coupling line to earth. The acceptance criteria are detailed in Table 4. If a UPS is designed to have immunity according to Table 5. Coupling line to line. If the capacitive clamp is used. This immunity requirement does not apply to fieldbus or other signal interfaces where the use of surge protection devices is not practical for technical reasons.
Applicable only to ports with cables whose total length according to the manufacturer's functional specification may exceed 30 m.
In the case of shielded cable.
Compliance is checked by simulating the above conditions. The artificial network is required to provide a defined impedance at radiofrequency across the mains supply at the point of measurement and also to provide for isolation of the equipment under test from ambient noise on the power lines.
Attention is drawn to the convenience of using a panoramic receiver or a spectrum analyser. The probe is connected sequentially between each line and the reference earth chosen metal plate. Due to the range of physical size and power ratings.
In some cases. This Annex mainly concerns continuous electromagnetic emissions. NOTE Measuring instruments having other detector characteristics may be used provided the measurement of the disturbance values can be proved to be the same. If there are conditions of use. The effect on the accuracy of measurement of the capacitor or any other device which may be used to protect the measuring receiver against dangerous currents shall be either less than 1 dB or allowed for in calibration.
In addition. These conditions shall be included in the instruction manual. Where there are multiple interface ports of the same type. The ground connector of the probe is to be connected to reference ground with low impedance. The rationale for the selection of the configuration and loading of ports shall be included in the test report.
If the length can be varied. The number of additional cables should be limited to the condition in which the addition of another cable does not affect the emission level by more than 2 dB. If it is impractical to do so because of cable bulk or stiffness. For table-top systems during this process. Any simulator used in lieu of an actual device shall properly represent the electrical and.
UPS configurations and mode of operation are identified. The ground plane may be of metal. The power and signal cables shall be oriented with respect to the ground plane in a manner equivalent to actual use. If the manner of cable installation is not known. Using either method. Where this is not possible. The identification of the frequency of the highest emission with respect to the limit shall be found by investigating emissions at a number of significant frequencies as detailed.
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