Agilent EN 61000-3-2 - Manuals

7 1 Introduction How to Use this Manual This manual describes the operation of the Agilent 14761A Harmonic/Flicker Test System (HFTS)software when used in conjunction with the Agilent 6800-Series AC Power Source/Analyzers. Itsprimary function is as a reference manual. If you have a question about a ...

1 - Introduction 8 The Agilent 6800-Series AC Power Source/Analyzers The Agilent 6800-Series AC Power Source/Analyzers are specifically designed for testing productscompliant to the IEC low-frequency emissions regulations for quasi-stationary current harmonics,fluctuating current harmonics, and volt...

Introduction - 1 9 EN 61000-3-2 and EN 60555 Part 2 Regulations EN 61000-3-2 and EN 60555 Part 2 regulate the magnitude of harmonic currents drawn by productsfrom the ac line. For example, harmonic currents can occur as a result of high peak currents drawn byswitch-mode power supplies. Power compani...

11 2 Installation Install the Software NOTE: A README.TXT file is included on the installation disks. It contains product updates orcorrections that are not documented in this manual. Use any text editor to read this file. The Agilent 14761A HFTS software (p/n 5063-2363) comes on two disks. When ins...

2 - Installation 12 Installing Interface Card Drivers for Windows 3.1 or 3.11 Systems ñ If you are using an Agilent 82335 GPIB card, install the driver software from the I/O LibrariesCD-ROM (E2094) that came with the card. Open the \win31\disk1 directory on the CD-ROMand run setup.exe. If you do not...

Installation - 2 13 icon to run the software.) When the software is run, it automatically searches for an interface card andqueries the Agilent 6800-Series AC Power Source/Analyzer for its model number. Verify that yourconfiguration is correct as follows: 1. Select the New button in the Welcome Wind...

2 - Installation 16 Menu Tabs The menu tabs that are located at the bottom of the screen let you easily access the primary functions ofthe Agilent 14761A HFTS software. These functions are also available from the file menus. Altogether,there are five groups of menu tabs: The Main level group accesse...

17 3 Setting Up the Test If you have not already done so, click on the Agilent HFTS icon to run the software. Now you can set up yourtest. If the Agilent HFTS icon does not appear on your computer, go back to chapter 2 and install the Agilent14761A HFTS software. Select a Test Type When you first ru...

3 - Setting Up the Test 18 ñ Selecting New From Template opens a dialog box that lets you select a template file whichcontains previously-configured test setup information. This template information will be copiedinto your new data file. The template itself is not changed unless you make subsequent ...

Setting Up the Test - 3 19 Create a Template Template files contain setup information for the test that you will be running. Using templates can savevaluable time by eliminating the need to enter repetitive data each time you set up a test. Create a template by entering information into the Main and...

3 - Setting Up the Test 20 Select the Test Setup Options for Quasi-stationary orFluctuating Harmonics Standard Test Options Standard options specify the line voltage, line frequency, test time, and device class for compliance tests.They are selected in the Standard window. ñ Select the line voltage ...

Setting Up the Test - 3 21 Class D: Equipment having an input current with a "special wave shape" (e.g. equipment withoff-line capacitor-rectifier ac input circuitry and switch-mode power supplies) and an active inputpower ≤ 600 W. The active power is defined as Watts. For the Class D mA/W l...

3 - Setting Up the Test 22 ñ Select the rms and peak current limit of the Agilent 6800-Series AC Power Source/Analyzer thatyou will be applying to the equipment under test. (The Agilent Model 6843A only has rmscurrent limit control, therefore, the peak current limit control does not appear.) General...

Setting Up the Test - 3 23 Test Termination Options Termination options let you select the conditions that will terminate the test. They are selected in theTermination window. Note The following conditions terminate any test automatically if the Agilent 6800-Series ACPower Source/Analyzer operating ...

3 - Setting Up the Test 24 If termination On Watch Events is enabled, you can select the following Watch Items criteria: ñ All harmonics greater than the specified percent of threshold ñ Odd harmonics greater than the specified percent of threshold ñ Odd ≤ 19 harmonics greater than the specified per...

27 4 Running the Test Before actual test data can be acquired, the pre-test must be run. This is accomplished in the Pre-Testwindow. As its name implies, the Pre-Test window centralizes functions that, following test setup, needto be performed prior to running an actual test. This includes running p...

4 - Running the Test 28 3. It is also possible to increase the duration of the pre-test. One purpose of running a longer pre- test is to obtain more data over which the test results are averaged. Additional data moreaccurately characterizes the worst-case operation of the equipment under test (see “...

Running the Test - 4 29 Pre-Test Power Statistics This screen provides additional information about the active input power of the device under test. Itdisplays the following power measurements, which are calculated at the end of the pre-test:- Maximum Power in watts (default selection for setting Cl...

4 - Running the Test 30 Pre-Test Source Harmonics This screen displays the pre-test voltage data for harmonics 1-40 on a worst-case basis. The Limit(%)column indicates the permissible limits for each harmonic expressed as percentages of the fundamentalvoltage. For 230 V/50 Hz power distribution syst...

Running the Test - 4 31 To Run a Pre-test for Voltage Fluctuations Pre-Test Summary 1. Select the Pre-test menu tab on the bottom of the screen to access the Pre-test Summary window. You can also access the Pre-test window from the View/Pre-test menu. 2. If desired, change the time delay from when p...

4 - Running the Test 32 display. The tabular data displayed in this window provides a permanent record of the test conditions thatexisted at the time of the voltage fluctuations test. ñ The Measured Values area on the right side of the display provide a record of the test conditionsat the time the v...

Running the Test - 4 33 value of the waveform by a one-shot rms current value obtained from the waveform data record.The quality of this measurement is a function of the variability of the current waveform crestfactor over the integration period used for the corresponding rms current measurement. ñ ...

Running the Test - 4 35 Manual On/Auto Off(see caution) The ON pushbutton is active, letting the operator manuallyturn the output of the Agilent 6800-Series AC PowerSource/Analyzer on from the Test window. The picturedcontrol indicates that the output is presently off. Manual On/Manual Off(see cauti...

4 - Running the Test 36 Validation Mode Validation Mode is a special mode used to validate the software, hardware, and test method used to testto the harmonic current emissions regulation. It is not intended to be a formal proof of performance.Validation Mode should only be used with the Quasi-Stati...

37 5 Viewing Test Data During test runs, data is continuously acquired and displayed in the various Display windows. Use themenu tabs on the bottom of the screen or the View menu to access the various displays. Use theNavigator toolbar on the top of the screen to scroll through the test record or se...

5 - Viewing Test Data 38 SearchParameters This control is only active when the display is set to Fixed. It puts up a dialogbox that lets you search for specific items in the test data that you are presentlyviewing. Clicking on the red ­ button initiates a search backward in time from the present cur...

Viewing Test Data - 5 39 The Graph display presents the following test data in a graphical format: ñ 40 harmonics including the fundamental, along the X axis. ñ the harmonic magnitude along the Y axis in absolute values. You can edit the graph to displaythe data according to % of limit on the Y-axis...

5 - Viewing Test Data 40 Displaying Data According to % of Limit on the Y-Axis Click with the right mouse button on any area of the graph. This puts up the Edit Graph Attributes dialogbox, in which you can reformat the y axis to display the data in percent of the specification limits ratherthan in a...

Viewing Test Data - 5 41 Table Display The Table display is used to view Quasi-stationary or Fluctuating harmonic data. Note that the amountof test data displayed in the table may be limited by the Span control. See “Using the Span Control” inchapter 6 for details. Note: You must have run post-proce...

5 - Viewing Test Data 42 ñ the number of failures for individual harmonics in the test to-date, as well as the number offailures for individual harmonics in the 2.5 minute window criteria. ñ the failure count that exceeds 50%, 75% , 90%, and 95% of the regulation’s limits. Failures are indicated in ...

Viewing Test Data - 5 43 The Time-series display presents the following data for the selected harmonic: ñ the total time of the selected span along the X axis. ñ the magnitude of the specified harmonic along the Y axis in absolute values. You can edit thegraph to display the data according to % of l...

Viewing Test Data - 5 45 Statistics Display The Statistics display presents a summary of the Quasi-stationary or Fluctuating harmonic data for theentire test. Note: If no data appears in this display, go back to the Test window and press the Run Postprocessing button to generate the statistics data....

5 - Viewing Test Data 46 Probability Display (for Quasi-stationary or Fluctuating harmonics) The Probability display shows the cumulative failure probability (or percentile) of the quasi-stationary orfluctuating harmonic data for the entire test. Note: If no data appears in this display, go back to ...

Viewing Test Data - 5 47 Viewing 2.5 Minute Window Failures For fluctuating harmonic tests, limit values are more complex than those for quasi-stationary harmonics.The regulation for fluctuating harmonics allows values up to 1.5 times the limits for quasi-stationaryharmonics during a maximum of 10% ...

5 - Viewing Test Data 48 2.5 Minute Failures On the Graph Display 2.5 Minute Failures On the Time-Series Display

Viewing Test Data - 5 49 Viewing Voltage Fluctuations Pst Display The Pst display is used to view voltage fluctuations and flicker data. When the test is running, the Pstdisplay is updated at the completion of each integration period. Note that the amount of test datadisplayed may be limited by the ...

5 - Viewing Test Data 50 Light green indicates that the maximum value is within the regulation’s specification. Light redindicates that one or more measured values are outside the regulation’s specification. Themaximum component percentiles are always light green, since no failure criteria is specif...

Viewing Test Data - 5 51 The Probability display presents the following test data: ñ the magnitude of flicker perceptibility along the X axis (Pst = 1 is the threshold of irritability).The value is the flicker perceptibility level that is exceeded for x% of the samples as indicated bythe correspondi...

5 - Viewing Test Data 52 Distribution Display The Distribution display presents a summary of the Voltage fluctuations and Flicker test data. When thetest is running, the Distribution display is updated at the completion of each integration period. Note thatthe amount of test data displayed may be li...

Viewing Test Data - 5 53 ñ the Rms Measurement area on the bottom of the screen provides a summary value ofDmax, Dc, and Dt voltage fluctuation failures. Summary values are the maximum value for eachtype within the presently displayed integration period. If dashes are displayed in the RmsMeasurement...

5 - Viewing Test Data 54 A green bar means that all values summarized by the bar are within the regulation’sspecification. A red bar means that one or more values summarized by the bar are outside theregulation’s specification. ñ detailed rms information can be obtained by holding down the Shift key...

Viewing Test Data - 5 55 The Flicker display presents the following data: ñ the total time of the selected range along the X axis. ñ the magnitude of flicker perceptibility units along the Y axis. This graph does not displayfailures. ñ the Rms Measurement area on the bottom of the screen provides a ...

5 - Viewing Test Data 56 Editing the Graph Attributes To change the attributes or the settings of any of the graphs, ñ Click with the right mouse button on any area of the graph. This puts up the Edit Graph Attributes dialog box. From this dialog box you can select: ñ the Maximum values of the x and...

Viewing Test Data - 5 57 Copying Graphs and Tables to the Clipboard Using the Print Screen keyboard key The easiest way to put screen information into the clipboard is to use the Print Screen keyboard key.This puts all of the information that is displayed on the screen into the Clipboard. From the C...

5 - Viewing Test Data 58 Viewing Reports Reports are available in either Short form or Long form, and can be previewed in the Report window. Userremarks can be added to a test file by selecting the Remarks menu tab. Menu tabs on the bottom of the screenlet you quickly access each area. The Printer b...

Viewing Test Data - 5 59 Short Form Report The Short Form report includes summary information about the current test. This information fits on one page.The following is a sample short form report of a Fluctuating Current Harmonics test: IEC 1000-3-2/EN 61000-3-2 Fluctuating Current Harmonics Test Da...

5 - Viewing Test Data 60 Long Form Report The long form report presents all of the information as the short-form report but also includes all of thefinal test data, which appears on subsequent pages of the report. The following is a sample long form report of a Fluctuating Current Harmonics test: Lo...

5 - Viewing Test Data 62 Note For Voltage Fluctuations reports, depending on the number and length of the integration periods, the Final Test Data section of the report may include up to several dozen pages. Long-Form Report page #3 Final Test Data:---------------- Standard Maximum Maximum Mean Mean...

Viewing Test Data - 5 63 Long-Form Report page #4 Final Test Statistics:---------------------- Standard Maximum Maximum >50% >75% >90% >95% >100% 2.5-minHarmonic Limit Value Value of Limit of Limit of Limit of Limit of Limit Failures Number (A rms) (A rms) (% Limit) (Count) (Count) (C...

65 6 Searching for Specific Test Data The toolbar on top of the display screen, which is referred to as the Navigator toolbar and is described in thebeginning of chapter 5, is used to search for specific data in the test record. There are two ways to search forspecific test data. Searching for Data ...

6 - Searching for Specific Test Data 66 Using the Span Control The span control applies to the Harmonics graph and table displays, the Pst display, the Probability display, and the Distribution display. It determines the range of test data that you want to examine in relation to the present cursor l...

Searching for Specific Test Data - 6 67 Using the Zoom Control The zoom control applies to the Time Series display, the Rms display, and the Flicker display. The time- series display only shows a limited number of data bars. Zooming in lets you view individual data points in thetime series. Zooming ...

6 - Searching for Specific Test Data 68 Obtaining Detailed Failure and Error Information Note: This feature is not available for the Flicker Display. For detailed failure and error information about a specific bar in a graphical display, proceed as follows: 1. Press the Shift key 2. While holding do...

69 7 Printing Printing Graphs and Tables Using the Print Pre-test command The Print Pre-test command prints the currently displayed Pre-test screen to the default printer. Theprintout is slightly reformatted from what you see on the display. Note that the Print Pre-test commanddoes not copy any info...

7 - Printing 70 3. In the Print Report dialog box, select the document properties, page range, number of copies, or if you want collated copies. If you have access to more than one printer, click on the downarrowto choose a different printer. From the Report window 1. Select a Report window from eit...

73 A Specifications Supported or Referenced EN 61000-3-2 and EN 60555 Part 2 Standards IEC 555-2 EN 61000-3-2 EN 60555 Part 2 IEC 1000-3-2 IEC 1000-4-7 Supported or Referenced EN 61000-3-3 Standards IEC 725 EN 61000-3-3 IEC 868 IEC 1000-3-3 IEC 868 Amendment 1 PC Requirements Minimum: 486DX 33 Mhz51...

Specifications - A 75 Ac Input Ratings and supplemental information Model Agilent 6841A Agilent 6842A Agilent 6843A Voltage Range (Vac) 87 - 106 Vac104 - 127 Vac*174 - 220 Vac191 - 254 Vac 174 - 220 Vac*191 - 254 Vac 180 - 254 V L-L (3 Φ )* 342 - 456 V L-L (3 Φ ) Maximum Input Current(rms) 24 A (at ...

77 B Glossary Quasi-stationary Harmonics Quasi-stationary or steady-state harmonic currents are produced by electronic equipment that generatesnon-varying levels of current distortion, where the amplitude of each harmonic remains constant overtime. This equipment appears as an unchanging load on the...

B - Glossary 80 D(t) (Relative Voltage Change Characteristic) The change in rms voltage, relative to the nominal voltage, as a function of time and between periodswhen the voltage is in a steady-state condition for at least 1 second. D(t) must not be> 3% for more than 200 milliseconds continuousl...

81 C IEC Mode Command Summary Introduction The Agilent 6800-Series AC Power Source/Analyzer is designed to operate in Normal as well as IECmode. In Normal mode, the ac source responds to all of the commands that program ac source operation.Normal mode commands are documented in the Agilent 6800 Seri...

C - Command Summary 82 Command Syntax CALCulate :INTegral :TIME <Nrf+> :LIMit :UPPer [:DATA] <Nrf+> :SMOothing <bool> selects the Pst integration time for flicker measurements sets various limits associated with rms voltagefluctuation testing for IEC 1000-3-3turns the 1.5 second sm...

95 D Class Determination The following flowcharts document the class determination used by the Agilent 14761A HFTS software.Class determination is a function of the Pre-test. The flowcharts illustrate ñ the class determination process according to the device class that was selected in the StandardOp...

D - Class Determination 96 Class A Device Selected ;'5 01 %.#55# 9#8'(14/! ;'5 01 6'56 .+/+618'44+&' '0#$.'&! ;'5 01 .+/+618'44+&' '0& '0& .+/+65.+/+65.+/+618'44+&' (.#)6'56010%1/2.+#06 '0& 56#46 75' %.#55# .+/+65 ;'5 01 /'#574'& 8#.7'+0$170&5! (.#)%.#555'.'%6+10+...

Class Determination - D 97 Class B Device Selected ;'5 01 6'56 .+/+618'44+&' '0#$.'&! ;'5 01 .+/+618'44+&' ! '0& '0& .+/+65.+/+65.+/+618'44+&' (.#)6'56010%1/2.+#06 '0& 56#46 75' %.#55# .+/+65 Class B Limits Logic (EN 61000-3-2)

D - Class Determination 98 Class C Device Selected ;'5 01 6'56 .+/+618'44+&' '0#$.'&! ;'5 01 .+/+618'44+&' ! '0& '0& .+/+65.+/+65.+/+618'44+&' (.#)6'56010%1/2.+#06 '0& 56#46 ;'5 01 18'44+&' '0#$.'&! 219'4 (#%614 .+/+65(70&#/'06#.%744'06 TF*#4/10+%.+/+6(70&...

Class Determination - D 99 Class D Device Selected ;'5 01 %.#55& 9#8'(14/! ;'5 01 9#665 18'44+&' '0#$.'&! ;'5 01 /'#574'& 8#.7'+0$170&5! .+/+65O#9/'#574'&8#.7' ;'5 01 6'56 .+/+618'44+&' '0#$.'&! .+/+65O#99#66518'44+&' (.#)18'44+&'9#66518'44+&' ;'5 01 .+/+6...

101 Index —2— 2.5 minute window, 79 —A— abort test button, 34about menu command:, 15acquiring test data, 27advanced options, 25advanced test setup, 20, 33auto on/auto off, 34, 35auto on/auto off menu command:, 15auto on/manual off, 34, 35auto on/manual off menu command:, 15average measurements, 32 —...

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Manual Updates The following updates have been made to this manual since the print revision indicated on the title page. 5/30/00 All references to HP have been changed to Agilent. All references to HP-IB have been changed to GPIB. Information about Validation Mode has been added to page 36.