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Power Quality Analyzer Model 3945

1.2 Ordering

Information

PowerPad™ Model 3945

................................................................

Cat. #2130.74

Includes: Meter, (4) 10 ft color-coded voltage leads, (4) color-coded alligator clips, RS-232 DB9F
optical cable, NiMh battery, US power cord, DataView

®

Pro Software, carrying bag, user manual

and warranty card.

PowerPad™ Model 3945 with MN93

.............................................

Cat. #2130.75

Includes: Meter, set of (3) 200A MN93 probes, (4) 10 ft color-coded voltage leads, (4) color-coded
alligator clips, RS-232 DB9F optical cable, NiMh battery, US power cord, DataView

®

Pro Software,

carrying bag, user manual and warranty card.

PowerPad™ Model 3945 with SR193

............................................

Cat. #2130.76

Includes: Meter, set of (3) 1000A SR193 probes, (4) 10 ft color-coded voltage leads, (4) color-
coded alligator clips, RS-232 DB9F optical cable, NiMh battery, US power cord, DataView

®

Pro

Software, carrying bag, user manual and warranty card.

PowerPad™ Model 3945 with AmpFlex™ 193-24

........................

Cat. #2130.77

Includes: Meter, set of (3) 3000A 24" AmpFlex™ 193-24 probes, (4) 10 ft color-coded voltage
leads, (4) color-coded alligator clips, RS-232 DB9F optical cable, NiMh battery, US power cord,
DataView

®

Pro Software, carrying bag, user manual and warranty card.

PowerPad™ Model 3945 with AmpFlex™ 193-36

........................

Cat. #2130.78

Includes: Meter, set of (3) 3000A 36" AmpFlex™ 193-36 probes, (4) 10 ft color-coded voltage
leads, (4) color-coded alligator clips, RS-232 DB9F optical cable, NiMh battery, US power cord,
DataView

®

Pro Software, carrying bag, user manual and warranty card.

1.2.1 Accessories and Replacement Parts

Set of 3, MN93 probes (200A)..........................................................

Cat. #2140.09

Set of 3, SR193 probes (1000A) ......................................................

Cat. #2140.10

Set of 3, 24" AmpFlex™ 193-24 probes (3000A) .............................

Cat. #2140.11

Set of 3, 36" AmpFlex™ 193-36 probes (3000A) .............................

Cat. #2140.12

Set of 3, MR193 probes (1000A)......................................................

Cat. #2140.13

Set of 3, MN193 probes (5A and 100A) ...........................................

Cat. #2140.14

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Содержание powerpad 3945

Страница 1: ...I 3 PHASE POWER QUALITY ANALYZER 3945 E N G L I S H User Manual MODEL 3945 PowerPad W 10V RMS 0 10 t ms V1 0 V2 0 V3 0 3U 3V 3A L1 L2 L3 THD CF max min 0 0 v 0 0 v 0 0 v 1 2 3 07 25 02 Hz 10 26 100...

Страница 2: ...probes 14 3 2 4 Nominal Range of Use 15 3 2 5 Power Supply 15 3 3 Mechanical Speci cations 16 3 4 Safety Speci cations 16 3 4 1 Electrical Safety per EN 61010 1 16 3 4 2 Electromagnetic Compatibility...

Страница 3: ...Neutral Current of a Three Phase 4 Wire System 35 5 1 4 Total Harmonic Distortion Measurement on One Phase 35 5 1 5 Minimum and Maximum Current Value Measurements 36 5 1 6 Simultaneous Display of Cur...

Страница 4: ...ing the Model 3945 to your Computer 59 6 6 Starting DataView 59 6 7 Con guring the Instrument 61 6 7 1 General Functions 63 6 7 2 Set up Con guration 64 6 7 3 PowerPad Display Con guration 65 6 7 4 Al...

Страница 5: ...Current 80 8 1 3 Peak Values for Voltage and Current 80 8 1 4 Peak Factors for Current and Voltage 81 8 1 5 1 sec RMS values for voltage and current 81 8 1 6 Voltage and Current Unbalance 81 8 1 7 TH...

Страница 6: ...indicates a WARNING and that the operator must refer to the user manual for instructions before operating the instrument In this manual the symbol preceding instructions indicates that if the instruct...

Страница 7: ...ord DataView Pro Software carrying bag user manual and warranty card PowerPad Model 3945 with AmpFlex 193 24 Cat 2130 77 Includes Meter set of 3 3000A 24 AmpFlex 193 24 probes 4 10 ft color coded volt...

Страница 8: ...up to 6500Arms Frequency measurement of 50 60Hz 40Hz to 70Hz Calculation of neutral current by vector summing of phase current for WYE con gurations Calculation of Peak Factors for current and voltage...

Страница 9: ...with graphic representation of system parameters and measurements Six 6 function buttons used to modify the display mode Four 4 function buttons which allow the user to Access the instrument setup pa...

Страница 10: ...ion of harmonic current produced by non linear loads analysis of the problems caused by harmonics according to their order heating of neutrals conductors motors etc Waveforms View displays voltage and...

Страница 11: ...3V 3A L1 L2 L3 THD CF max min 5 2 1 3 4 202 5 v 202 0 v 202 7 v 1 2 3 07 25 02 49 99Hz 10 26 100 Figure 2 2 Top display bar indicates Symbol of the tested mode e g etc Frequency of measured signal Me...

Страница 12: ...mea surement can only be performed if voltage is applied to the Ch1 voltage input Selection of waveforms to be displayed use the buttons to select 3U displays the 3 phase to phase voltages U1 2 U2 3 U...

Страница 13: ...ty level Question mark showing unknown capacity level Battery sign and are xed WARNING The battery may fully discharge when recording for long periods of time while not connected to a power supply The...

Страница 14: ...rtainties given for power and energy measurements are maximum for Cos 1 or Sin 1 and are typical for the other phase shifts NOTE The symbol U will be used throughout this manual and in the instrument...

Страница 15: ...t AmpFlex 10 to 9190A 0 1 A if I 1000 A 1 A if I 1000 A 1 1A Crest Factor Vcf Ucf Acf 1 00 to 9 99 0 01 1 2cts Real Power W Clamp on and AmpFlex Clamp on AmpFlex 0W to 9999kW Cos 0 8 Cos 0 2 to 0 8 Co...

Страница 16: ...ics THD I 40 THD U 20 Magnetic eld 40 0A m Earth s magnetic eld Electrical eld 3V m 3 2 5 Power Supply AC Power internal power supply Operating Range 230VAC 20 and 110VAC 20 Max Power 30VA Battery Pow...

Страница 17: ...ty in RH 3 4 Safety Speci cations 3 4 1 Electrical Safety per EN 61010 1 Double insulation 600Vrms Cat III Pollution Degree 2 3 4 2 Electromagnetic Compatibility and Sensitivity Immunity and Emission...

Страница 18: ...gnetic eld Accuracy NOTE Add PowerPad accuracy 0 5 1ct Primary current AAC 3 to 10A 10 to 100A 100 to 1200A Accuracy of the output signal 0 8 0 3 0 2 Phase shift 1 0 5 0 3 Logarithmic interpolation be...

Страница 19: ...0 A m earth s magnetic eld Accuracy NOTE Add PowerPad accuracy 0 5 1ct Primary current AAC 2 to 10A 10 to 100A 100 to 240A Accuracy of the output signal 5 5mV 2 5 5mV 1 5mV Phase shift 15 3 2 Factors...

Страница 20: ...AC Maximum Clamping Diameter 0 8 20mm Safety NF EN 61010 2 032 600V CAT III POLL 2 Reference Conditions Ambient temperature 73 F 23 C 5 F 3 C Humidity 20 to 75 of RH Frequency 48 to 65Hz Distortion fa...

Страница 21: ...Currents below 9A will be displayed as zero on the PowerPad with this probe Probe Output Signal 140mVAC 3000AAC at 50 60Hz NOTE Output is proportional to the amplitude and frequency of the measured cu...

Страница 22: ...K AC DC NOTE Currents below XADC and YADC will be displayed as zero on the Power Pad with this probe Probe Output Signal 1mV A Maximum Cable Diameter One 1 6 42mm or two 0 98 25 4mm or two bus bars 1...

Страница 23: ...s are independent and isolated between input and output The output connectors are designed for use with the Model 3945 PowerPad with automatic sensor recognition and measurement adjustment The input c...

Страница 24: ...gree 2 per IEC 61010 1 Operating Temperature 5 to 131 F 15 to 55 C 10 to 90 RH Storage Temperature 40 to 185 F 40 to 85 C 0 to 90 RH Reference Conditions 73 F 23 C 3K 50 to 85 RH 50 60Hz 2Hz Current m...

Страница 25: ...d are identi ed at power ON only When changing type of probe restart the PowerPad 4 1 Instrument Con guration set up mode NOTE All con gurations are available through the DataView software The instrum...

Страница 26: ...the value of the number selected with the buttons Press the button to apply the new settings The Con guration menu will once again be displayed on the screen NOTE The date and time format used is indi...

Страница 27: ...Figure 4 2 Choose the phase with the buttons and the color for that phase with the buttons Press the button to apply the new settings The Con guration menu will once again be displayed on the screen 4...

Страница 28: ...p Types Single or two phase The neutral current is not measured or calculated 3 phase 3 wire DELTA network Only power totals are representative of the actual situation WYE network The neutral current...

Страница 29: ...e 200 Amp Range is used for the MN93 Probe and the 100 or 5 Amp Range is used for the MN193 Probe To select the proper range rst ensure that the MN Probe choice is high lighted using the buttons Next...

Страница 30: ...r the MN probe 4 1 7 Baud Rate Highlight BAUD RATE with the buttons then press the button Choose from the baud rate values 300 2400 4800 7200 9600 19200 38400 57600 or 115200 with the buttons Press th...

Страница 31: ...e right to modify the last value needed to complete the de nition Here you will choose whether to include all harmonics or only the odd harmonics Use the buttons to make this selection The diamond pre...

Страница 32: ...Hysteresis Percentage 1 2 5 or 10 Alarm activation ON or OFF Alarm number 1 to 10 There are 24 parameters to choose from for alarm triggering They are Vrms Urms Arms Vpst Vcf Ucf Acf Vumb Aumb Hz Akf...

Страница 33: ...delete all the data Yes No Choose the answer with the buttons Press the button to apply your choice The Con guration menu will once again be displayed on the screen When data is deleted all detected...

Страница 34: ...Voltage Measurement on a Three phase System 300V RMS 0 300 t 5 0ms V1 276 V2 140 V3 145 3U 3V 3A L1 L2 L3 THD CF max min 4 1 2 3 202 5 v 202 0 v 202 7 v 1 2 3 07 25 02 49 99Hz 10 26 100 Figure 5 1 Val...

Страница 35: ...tem The neutral current is not a direct measurement but the resulting total of the 3 currents measured L1 L2 or L3 displays the current and voltage on phase one two or three respectively IMPORTANT NOT...

Страница 36: ...RMS 0 27 t 5 0ms l1 26 12 13 13 13 IN 1 19 1 A 18 5 A 17 1 A 1 2 A N 3U 3V 4A L1 L2 L3 THD CF max min 07 25 02 60 00Hz 10 26 100 1 2 3 Figure 5 3 5 1 4 Total Harmonic Distortion Measurement on One Ph...

Страница 37: ...with to obtain the MIN AVG MAX or PEAK values for current or voltage Select L1 L2 or L3 to obtain these values for an individual phase MIN AVG and MAX values are measured as soon as the power is turn...

Страница 38: ...available for this purpose 5 1 7 Phasor Diagram Display Fresnal Diagram V1 V2 V3 12 23 31 UNBALANCE V3 V1 V2 RMS 202 8 v 1 5 198 7 v 203 2 v 122 118 120 3U 3V 4A L1 L2 L3 THD CF max min 07 25 02 59 99...

Страница 39: ...le Phase and Phase to Phase Voltage Analysis 07 25 02 59 95Hz 10 26 100 3L L1 L2 L3 3 1 2 31 5 Vh 03 1 3 0 6 31 4 v 2 7 v 1 2 v 003 113 094 1 2 3 V A VA U 50 25 1 3 5 7 9 11 13 15 17 19 21 23 25 Figur...

Страница 40: ...s 07 25 02 60 00Hz 10 26 100 3L L1 L2 L3 34 1 36 5 Ah 03 2 8 A THD 040 max 34 5 max 1 1 V A VA U 50 25 1 3 5 7 9 11 13 15 17 19 21 23 25 Figure 5 9 Selection of 3 phase or individual phases L1 L2 and...

Страница 41: ...ther a positive or negative orientation Since the bar selected in this example is negative it indicates that it is a harmonic from load to source NOTE By convention positive harmonics are from supply...

Страница 42: ...24 04 07 10 13 16 19 22 25 59 98Hz 10 26 100 3L L1 L2 L3 7 3 0 15 5 4 8 V A Figure 5 11 First column The harmonics inducing a negative sequence are displayed Second column Those inducing a zero sequen...

Страница 43: ...n 07 25 02 60 00Hz 10 49 07 25 02 10 49 21 07 25 02 10 55 08 100 3L L1 L2 L3 3 241 0000203 0 241 0000021 0000000 0 120 0000011 0000000 3 809 0000244 3 796 0000336 3 452 0000306 3 768 0000334 3 435 000...

Страница 44: ...ckground the display shows generated energy 5 3 3 PF Button In 3L display mode the PF Power Factor DPF Displacement Power Factor fundamental V I phase shift or Cosine values and the Tangent can be dis...

Страница 45: ...nt 07 25 02 10 54 100 SEARCH FOR NEW TRANSIENTS SLOTS AVAILABLE START 07 25 02 10 55 50 07 25 02 10 55 1 1 1 T E S T END V threshold A threshold Number NAME 1 2 3 Figure 5 15 Transient recording start...

Страница 46: ...60A 30A 1A ratio adapter 1A 0 5A 0 2A 0 1A 0 05A 0 02A 0 01A Voltage 480V 240V 96V 48V 24V 9 6V 4 8V Transients are detected by comparing all 256 samples on the current cycle with their counterparts f...

Страница 47: ...er from 01 to 50 for each stored transient Transient recording time and date are displayed for each transient To select a transient press the buttons then select it with the button To delete a selecte...

Страница 48: ...buttons 3V displays the three phase voltages during the transient 4A displays the three phase currents and the neutral current during the transient L1 L2 or L3 displays the current and voltage on phas...

Страница 49: ...3 1 0V 34 3 35 0 1A 1A 0A 0A 0A 109V 35 1 2s 1s24 1s s 1s 1s5 1s3 1s9 1s9 1s8 3s37 3s 2 2 11 28 11 29 1 100 s 1 100 s 1 100 s 1 100 s 1 100 s 1 100 s 1 100 Figure 5 18 Alarm memory status bar indicate...

Страница 50: ...D 07 25 02 10 57 PERIOD 1 min NAME T E S T Recording 2 1 Figure 5 19 Recording status bar displays remaining memory capacity Parameters press the buttons to select the parameters and the but tons to m...

Страница 51: ...e deleted with the buttons press on button and then press the button to delete the selection Tip It is possible to display a measurement being recorded by selecting the name of the recording To refres...

Страница 52: ...RECORDING F Urms Uthd Ucf Vrms SELECTION OF MEASUREMENT TO VIEW START 07 25 02 17 58 END 07 25 02 18 27 PERIOD 1 mn 1 TEST Figure 5 21 Use the function buttons to enable direct selection of the measur...

Страница 53: ...220 0V 210 0V 200 0V mn Vrms 10 15 20 25 30 204 5 204 9 204 7 v 3L L1 L2 L3 07 25 02 10 38 100 07 25 02 10 13 21 2 4 1 5 3 Figure 5 23 MIN AVG and MAX values over the display period MAX value AVG valu...

Страница 54: ...24 below 4000 3900 3800 mn 10 15 20 25 30 3 881 kW L1 L2 L3 07 25 02 10 38 100 07 25 02 10 13 21 Figure 5 24 In the example above the display shows the average value of the real power on the phase L1...

Страница 55: ...he graph time scale to be changed Display Averaging Period Graph Scale 2 hours over 5 days 1 hour over 2 1 2 days 15 minutes over 15 hours 10 minutes over 10 hours 5 minutes over 5 hours 1 minute over...

Страница 56: ...what type of data was stored 07 25 02 10 26 100 07 17 02 11 27 07 17 02 11 28 07 17 02 12 57 07 17 02 12 08 07 17 02 12 20 07 17 02 12 30 07 17 02 12 48 Figure 5 26 Use the buttons to select the snaps...

Страница 57: ...2 59 99Hz 10 26 100 1 2 3 Figure 5 27 When the button is pressed the screen freezes and the top left mode icon is replaced by the icon as shown in Figure 5 27 above NOTE It will take a few seconds for...

Страница 58: ...r reporting and printing reports as well as the ability for you to totally customize the reports to meet your exact needs This chapter will give you the information you need to know to use this progra...

Страница 59: ...trieves data from the instrument s memory Plots graphs of recorded information that has been downloaded Presents reports including your analysis in the comments section Stores a library of setups for...

Страница 60: ...available serial port on your computer You are now ready to use the DataView Program with the PowerPad 6 6 Starting DataView Once the serial connection between the computer and the Model 3945 has bee...

Страница 61: ...te View from Template Facilitates creation of a printable report from existing data already stored on the computer or from previous downloads Create view from Scratch Loads a blank sheet onto the scre...

Страница 62: ...t the baud rate if necessary by clicking on the drop down arrow in the Baud Rate window and selecting from the available values To check the baud rate on the instrument Turn on the Model 3945 by press...

Страница 63: ...f a database is open and if so its name the battery charge level whether the battery is charging or discharging and the time on the clock If a recording is in progress and when it is scheduled to end...

Страница 64: ...t con guration This le will reside on the computer s disk drive Saving different con guration setups can be useful for future functions and tests Load from File Retrieves a saved le from the computer...

Страница 65: ...as selecting the current probe Figure 6 4 Reactive Energy with or without harmonics Line Frequency 50 or 60Hz Current Sensors to be used MN93 MN193 SR193 MR193 AmpFlex A193 or Adaptor used to accept p...

Страница 66: ...Fig 6 5 allows you to customize the PowerPad display colors clocks language and contrast Figure 6 5 NOTE For detailed instructions and descrip tions for any feature in a dialog box click on the Help B...

Страница 67: ...Enabled When check box is checked alarm is enabled Capture Parameter The Alarm will be triggered based on the value of the selected parameter Choices include None no alarm Vrms voltage root mean squar...

Страница 68: ...r seconds In the case of Vrms Urms or Arms not using neutral current can also be in hundredths of a second Disable All Alarms This check box prevents any alarms from being captured Make sure this is n...

Страница 69: ...to record up to 2 of 4 types of harmonic data voltage Vh current Ah phase to phase voltage Uh and power VAh For each selected harmonic data type you can choose a range of harmonics to record from the...

Страница 70: ...Transients window allows you to set up the criteria for capturing transients Figure 6 8 1 Type a name for the session up to seven characters 2 Select the date and time to end the search for transients...

Страница 71: ...a reliable basis when dealing with network problems and it contributes to quality assurance The purpose of the EN50160 standard Voltage characteristics of electricity sup plied by public distribution...

Страница 72: ...e pro les are chosen a eld appears to enter the nominal voltage The frequency is not asked for since it will be asked for when the test result is downloaded Follow the instructions in the dialog box t...

Страница 73: ...ompleted you can display different views on the screen of real time data and waveforms 6 9 1 Waveform Harmonic Bar and Harmonic Text Figure 6 10 On each screen you can Select the type of data to see S...

Страница 74: ...to Database this may take few minutes 3 Type a name for the le downloaded and click OK Following are examples of each tab listed in the display window 6 10 1 Photographs Figure 6 11 The Photographs wi...

Страница 75: ...the triggering event Alarms can be selected and downloaded to a database The downloaded alarms contain no more information than is shown in the screen display Alarm Phase Allows the user to select wh...

Страница 76: ...on the PowerPad It shows the number and name of the recording and the time it began and ended The selected transient s can either be downloaded or deleted The downloaded result contains four waveforms...

Страница 77: ...dow displays accumulated power and energy data Accumulated energy data can be started or stopped and the results can be down load to a database and viewed on the screen selected by phase NOTE The data...

Страница 78: ...Properties After downloading the data that is selected the Session Properties window will open see Figure 6 16 which consists of the following Operator Information Information associated with the pers...

Страница 79: ...s window the le you just saved and named should be visible If this is the le you wish to generate a report from click the OK button The report will now be available on the screen including graph indiv...

Страница 80: ...it is connected to AC power WARNING When changing the battery it must be de energized the equipment turned off and there must be a delay of at least one minute without the battery being connected Do n...

Страница 81: ...m 2 Next Zero Zero n n i A NSC i Rms current half period i 1 phase NSC number of samples by cycle n sample 0 255 i phase 0 1 2 8 1 2 MIN MAX Values for Voltage and Current Vmax i max Vdem i Vmin i min...

Страница 82: ...A NSC i Peak factor current i 1 phase 8 1 5 1 sec RMS values for voltage and current 1 0 2 1 Vrms NSS n n i V NSS i Single rms voltage i 1 phase 1 0 2 1 Urms NSS n n i U NSS i Compound rms voltage i 1...

Страница 83: ...each bin ratio is calculated on each phase Vharm 3 51 Uharm 3 51 and Aharm 3 51 in proportion to the fundamental value and the phase angles Vph 3 51 Uph 3 51 and Aph 3 51 between each bin and the fund...

Страница 84: ...Adf 2 1 i Udf 2 1 i Vdf Multiplying the voltage harmonic factor with the current harmonics factor gives the power harmonic factor Differentiating voltage harmonic phase angle with current harmonic ph...

Страница 85: ...actor Tan 3 Tan 0 Tan 1 Tan 2 3 Total tangent cos i Cosine angle between voltage fundamental and i 1 phase current NSS 1 0 2 n i VF n i AF n NSS 1 0 n i VF n 2 NSS 1 0 n i AF n 8 1 13 Various Types of...

Страница 86: ...peated triggering when the measure is varying close to the threshold The event detection is activate when the measure is going over the threshold but it can only be deactivated if the measure goes und...

Страница 87: ...ion certi cate plus recorded calibration data Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Tel 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 63...

Страница 88: ...EMC Instruments will at its option repair or replace the faulty material If a registration card is not on le we will require a dated proof of purchase as well as your REGISTRATION CARD accompanied by...

Страница 89: ...04 03 99 MAN 100261 v2 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 Fax 603 742 2346...

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