Manual Fluke 1744

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  • Fluke 1744 - page 1

    ® 1744/1743 Power Quality Logger Users Manual PN 2560353 April 2006 Rev.1, 6/06 © 2006 Fluke Corp oration, All ri ghts reserved. Pr inted in USA All product nam es are trademarks of their respecti ve companies. 99 Washington Street Melrose, MA 02176 Fax 781-665-0780 TestEquipmentDepot.com ...

  • Fluke 1744 - page 2

    i Table of Contents Title Page Introducti on .......................................................................................... 1 Information and PC S oftware CD ..................................................... 1 Logger Power Supply ....................................................................... 2 Power Interr uptions.......... ...

  • Fluke 1744 - page 3

    1744/1743 Users Manual ii Min/Max Valu es ........................................................................... 30 Voltage Interru ptions.................................................................... 31 Voltage Dips an d Swells .............................................................. 32 Voltage Harm onics ......................... ...

  • Fluke 1744 - page 4

    Contents (continued) iii Timeplot di agram.......................................................................... 60 UNIPEDE D ISDIP Table.............................................................. 61 Cumulative Frequenc y – Harmonics ............................................. 62 Index ...

  • Fluke 1744 - page 5

    1744/1743 Users Manual iv ...

  • Fluke 1744 - page 6

    v List of Tables Table Title Page 1. Symbols.............................................................................................. 4 2. Standard E quipment ........................................................................... 7 3. Optional Access ories .......................................................................... 7 4. 174 ...

  • Fluke 1744 - page 7

    1744/1743 Users Manual vi ...

  • Fluke 1744 - page 8

    vii List of Figures Figure Title Page 1. 1743 and 1744 Power Qualit y Lo ggers .............................................. 3 2. 1744/1743 Power Quality L ogger - Front View ................................. 8 3. Supplying Operating Po wer to the Logger ......................................... 13 4. Logging in a 3-Phase 4- W ire (Wye) S ystem .. ...

  • Fluke 1744 - page 9

    1744/1743 Users Manual viii ...

  • Fluke 1744 - page 10

    1 1744/1743 Power Quality Logger Introduction The Fluke 1744 and 1743 Power Quality Log gers are sophisticated, robust, easy-to-use electrical po wer-recording devices for the electrician or power- quality specialist. Note This manual also refers to the 17 44 or 1743 Power Qu ality Logger simply as “the Logger .” You’ll pre pare the Logger f ...

  • Fluke 1744 - page 11

    1744/1743 Users Manual 2 Logger Power Supply The Logger does not include a power switch, but turns on auto matically whenever its power sup ply leads are connected to a voltage in its allowed range. You can plug the Logger’s powe r supply leads into a stand ard wall outlet (using the included ad apter cord), or you can connect them directly to th ...

  • Fluke 1744 - page 12

    Power Quality Logger Introduction to the Logging Functio ns 3 • Energy, total energy • Flicker (Pst, Plt) • Voltage THD • Current THD • Current CF • Voltage ha rmonics to the 50 th (not in P function) • Voltage interharmonics (not in P function) • Mains signaling voltage • Unbalance • Frequency POWER LOGGER 1743 ST ART STOP POWE ...

  • Fluke 1744 - page 13

    1744/1743 Users Manual 4 Symbols Table 1 lists t he symbol s used on the i nstrument and i n this m anual. Table 1. Symbols Symbol Description W Important information. See the manual. X Hazardous voltage. J Earth ground. T Double insulation. F Direct current (DC). P Conforms to European Union requirements. ) Canadian Standards Associati on is the c ...

  • Fluke 1744 - page 14

    Power Quality Logger Safety Instructions 5 W X Warnings • To avoid electrical shock, do not connect a ny par t of the Logger to systems that have higher voltag es to ground (earth) than are marked on the Logger. • Areas between the po we r company meter and the source of the distribution system are charac teri zed as CAT IV areas. To avoid elec ...

  • Fluke 1744 - page 15

    1744/1743 Users Manual 6 • Connect clip-on current transformer s and/or Flexi Set to insulated live conductors only. • If measuring sensors are to be connected to non- insulated live conductors, additional personal protective measures must be taken as required by local government agencies. W Caution To avoid damage, use the 1744/1743 Power Qual ...

  • Fluke 1744 - page 16

    Power Quality Logger Safety Instructions 7 Table 2. Standard Equipment Equipment Model/Part Number Power Quality Logger 1744/1743 International IEC Power Plug Adapter Set 2441372 RS232 Cable, Red, Null-Modem 2625531 Shielded 4-Phase Flexi Set (15 A/150 A/15 00 A/3000 A) FS17XX Dolphin Clip, Black (4x) 2540726 Color Coding Wire Clips WC17XX Soft Cas ...

  • Fluke 1744 - page 17

    1744/1743 Users Manual 8 Inspect the con tents of the s hipping box for compl eteness and dam age. Report any damage to the shipper. Features This section introduces the Logger’s co ntrols, indicators, a nd other featu res. Refer to Fi gure 2 an d Table 4. POWER LOGGER 1743 ST ART STOP POWER 2 3 2 S R I N I 3 I 2 I 1 V 3 V 2 V 1 CURRENT INPUT 10V ...

  • Fluke 1744 - page 18

    Power Quality Logger Safety Instructions 9 Table 4. 1744/1743 Power Quality Lo gger - Controls and Indicators Item Name Description A Power supply leads and 3-phase plus neutral voltage test leads Power supply voltage range: 88-660 V ac or 100-350 VDC, 50 Hz / 60 Hz, 600 V CAT III. Fixed installed voltage input cables for L1 or A, L2 or B, L3 or C, ...

  • Fluke 1744 - page 19

    1744/1743 Users Manual 10 Power Network Configurations You can set u p the Logge r to work with seve ral power network confi gurations: • Single-phase volta ge • Single-phase voltage, curre nt, power • 3-phase voltage • 3-phase volta ge, 3-phase cu rrent, powe r • 3-phase voltage, 3-phase curren t, neutral current, power Note 3-phase lo g ...

  • Fluke 1744 - page 20

    Power Quality Logger Using the Logger 11 Using the Logger This section explain s how to operate the 1744/1743 Power Quality Logg er. A typical logging session includes four steps: 1. Preparing t he Logger fo r use with the P Q Log software . 2. Installing the Logger at the log ging site. 3. Leaving the Logge r to collect data for a period. 4. Downl ...

  • Fluke 1744 - page 21

    1744/1743 Users Manual 12 Preparing the Logger for Use Prepare the 17 44/1743 L ogger for use with the P Q Log soft ware as follo ws (see Figure 3): 1. Connect the Logger to line power. Use th e power supply cables to connect to an outlet, or to the test leads phase and neutral for Wye configurations, or any two-phase leads for delta. W Caution If ...

  • Fluke 1744 - page 22

    Power Quality Logger Using the Logger 13 V oltage T est Leads POWER LOGGER 1743 STAR T STOP POWER 2 3 2 S R I N I 3 I 2 I 1 V 3 V 2 V 1 CURRENT INPUT 10V RMS MAX L 1 /A L 2 /B L 3 /C N 5VA 45- 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830V RMS MAX CAT 600V CAT 300V CAT 100- 350V 660V MAX 88- 660V POWER LOGGER 1743 STAR T STOP POWER 2 3 2 S R I N I 3 I 2 ...

  • Fluke 1744 - page 23

    1744/1743 Users Manual 14 3. Run the PQ Log software as described i n the PQ L og Users Ma nual. 4. Set up the Logging job and transfer the settings to the Logger. Test Leads – Markings The 1744/1743 Logger includes built-in , labeled test leads for voltage terminals L1 or A, L2 or B, L3 or C, and N, as well as two for the internal power supply . ...

  • Fluke 1744 - page 24

    Power Quality Logger Using the Logger 15 Logging with Voltage Converters The 1744/1743 Logger includes an adju stable converter ratio that enables it to be used with voltage conv erters (potential tran sformers, or PTs). Note When logging with voltag e conver ters, make sure the power supply cables are not conn ected in parallel to the voltag e tes ...

  • Fluke 1744 - page 25

    1744/1743 Users Manual 16 • Use only the current probes spe cifie d in this manual. If you use flexible current probes, wear suitable protective gloves or work on de-ener gized conductors. • Do not expose the Logger to moisture or humidity. • To prevent electrical shock, always connec t power supply and voltage test leads to the Logger before ...

  • Fluke 1744 - page 26

    Power Quality Logger Using the Logger 17 Connect the Logg er as follows: Note ∆ (Delta) or Υ (Wye) measurements The 1744/1743 Logger is prepa red for logging in 3-pha se 4-wire (Wye) systems (P-N), or 3-phase 3-wi re ( Delta) systems (P-P). Please note the different types of conn ection and configura tion in the PQ Log software. 1. Connect all r ...

  • Fluke 1744 - page 27

    1744/1743 Users Manual 18 Connections in 3-Phase 4-Wire (Wye) Systems The following figure shows the connections fo r logging 3-p hase 4-wire (W ye) systems: L1 L2 L3 N POWER LOGGER 1743 STAR T STOP POWER 2 3 2 S R I N I 3 I 2 I 1 V 3 V 2 V 1 CURRENT INPUT 10V RMS MAX L 1 /A L 2 /B L 3 /C N 5VA 45- 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830V RMS MAX ...

  • Fluke 1744 - page 28

    Power Quality Logger Using the Logger 19 Connections in 3-Phase 3-Wire (Delta) Systems Figure 5 sh ows the connectio ns for loggi ng 3-phase 3-wire (Delta) sy stems. L1 L2 L3 L4 POWER LOGGER 1743 STAR T STOP POWER 2 3 2 S R I N I 3 I 2 I 1 V 3 V 2 V 1 CURRENT INPUT 10V RMS MAX L 1 /A L 2 /B L 3 /C N 5VA 45- 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830V ...

  • Fluke 1744 - page 29

    1744/1743 Users Manual 20 Connections for Single-Phase Logging Figure 6 sh ows the connecti ons for l ogging singl e-phase system s. L1 N POWER LOGGER 1743 STAR T STOP POWER 2 3 2 S R I N I 3 I 2 I 1 V 3 V 2 V 1 CURRENT INPUT 10V RMS MAX L 1 /A L 2 /B L 3 /C N 5VA 45- 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830V RMS MAX CAT 600V CAT 300V CAT 100- 350V ...

  • Fluke 1744 - page 30

    Power Quality Logger Using the Logger 21 Connections for Medium-Voltage Networks In a 3-phase 3-wire (Delta) system with three separate voltage converters and three current transformers, the Logger can measure pha se -phase (P-P, D elta) or phase-N (P -N, Wye). See Figure 7. Supply L1 L2 L3 N L1 L1 L2 L2 L3 L3 POWER LOGGER 1743 START STOP POWER 2 3 ...

  • Fluke 1744 - page 31

    1744/1743 Users Manual 22 Phase-Phase Delta Logging Figure 7 shows th e connections for phase-phase Delta logging . 1. Connect the voltage test leads to the outpu ts of the voltage transformers (V Ts). 2. In PQ Log, select the m easurin g range with the m atching nominal voltage an d P-P loggi ng. 3. Enter the correct c onver ter/tran sformer ratio ...

  • Fluke 1744 - page 32

    Power Quality Logger Using the Logger 23 Phase-Ground, Wye-Logging Figure 7 shows th e Phase-Ground , Wye-Logging. Figure 9 shows typical PQ Log settings for using potential tran sfor mers (PTs) and current transformers (CTs) with a 16 kV net work. egb010.bmp Figure 9. PQ Log Settings for a 16 kV Network ...

  • Fluke 1744 - page 33

    1744/1743 Users Manual 24 1. Connect the voltage test leads to the outpu ts of the voltage transformers (V Ts). 2. In PQ Log, select the m easur ing rang e with P-N logging and matching n o minal volt age. 3. Enter the correct co nver ter/tran sformer ratio for current and voltage. Note Current clamp sets are available for 1 A curren t transformers ...

  • Fluke 1744 - page 34

    Power Quality Logger Using the Logger 25 1. Connect the voltage test leads L2 or B and N to th e common ground point. 2. In PQ Log, select the m easuring range with P-P log ging and m atching nominal volt age. 3. Enter the correct c onver ter/tran sformer ratio for current and voltage. egb007.bmp Figure 11. PQ Log Settings for a 16 kV Network Note ...

  • Fluke 1744 - page 35

    1744/1743 Users Manual 26 • Time-activate d job: The Logger starts logging as soon as the preprogrammed start time is reached, a nd stops at the defined e n d time. • Immediate job: The Logger starts logging as soon as power is on. Note the following about logging jobs: • The connection ca n be verified using t he logging cha nnel LEDs. I f a ...

  • Fluke 1744 - page 36

    Power Quality Logger Methods of Logging 27 Evaluating the Logged Data You’ll use PQ Log to evaluate the logged data. Data ca n be read out during logging as well as at the end. 1. Connect the Logger to line power. 2. Connect the RS232 in terface cable to y o ur PC’s serial port, then to the Logger. 3. Start the PQ Log software. 4. Use PQ Log to ...

  • Fluke 1744 - page 37

    1744/1743 Users Manual 28 egb015.bmp Figure 12. Selecting Voltage I nput Ranges During Job Processing Note For P-P loggi ng, the P-P voltage must be entered as the nominal voltage (e.g. 400 V for 230 V systems). Signal Sampling Input signals (up to three voltages and fo ur currents) are filtered with an anti- aliasing filter, and digitized with a 1 ...

  • Fluke 1744 - page 38

    Power Quality Logger Methods of Logging 29 Technical Specifications” on page 46. Voltage Variations The interval value of the voltage is defined as the m ean value of the RMS values over the in terval length defined in PQ Log. Averaging interv als can be set in PQ Log to the following: • 1, 3, 5, 10, or 30 seconds • 1, 5, 10, 1 5 , or 60 m in ...

  • Fluke 1744 - page 39

    1744/1743 Users Manual 30 Min/Max Values Logging detect s the highest and lowest vol tage RMS values and the highest current RMS value during th e test interval, using a minimum resolution of 10 ms. The response time can be set in PQ Log to the following: • 0.5 or 1 l ine power period • 200 ms • 1, 3, or 5 sec onds. U t Max. V alue Min. V alu ...

  • Fluke 1744 - page 40

    Power Quality Logger Methods of Logging 31 Voltage Interruptions The Logger records two types of interrup tions: • All measured RMS values of input voltag es that are < 1% of the nominal volt age. (Thi s threshol d can be ad justed in P Q Log.) • Interruptions > 10 ms (0.5 line power periods). The start time and duration of each interrupt ...

  • Fluke 1744 - page 41

    1744/1743 Users Manual 32 Voltage Dips and Swells If the voltage passes the upper limit (V N + 10%) or lower limit (V N – 10%), the event is registered as a voltage swe ll or dip, respectiv ely (thresholds are adjustable in PQ Log). The duration, time, and extreme valu e of the dip or swell is also recorded. Zeit Time 90 % U n Duration Depth Heig ...

  • Fluke 1744 - page 42

    Power Quality Logger Methods of Logging 33 Current Harmonics Current harm onics are defined as curre nt components that have a freque ncy that is an integer multiple of the fundamental frequency of the line power current. Logg ing function A records each indi vidual harm onic of the phase currents and the ne utral current, up to the 50 th order, an ...

  • Fluke 1744 - page 43

    1744/1743 Users Manual 34 THDV – In Function A Function A: 1 50 2 2 V V V THD n n ∑ = = V n : RMS val ue of harm onic frequency #n. V 1 : RMS value of the fundamen tal frequency. THDV: total contents of harmoni cs of the line p ower voltage as a percentage of the fundamental. This algorithm is accord ing to EN 61000-4-7. THD of currents: Functi ...

  • Fluke 1744 - page 44

    Power Quality Logger Methods of Logging 35 Calculation of THD in Measuring Function P THD – Measuring Function P Function P doe s not measure harm onic values. Voltages: 1 2 1 2 V V V THDV RMS − = V RMS : RMS value of total signal V 1 : RMS value of the fundamen tal Currents: 1 2 1 2 I I I THDI RMS − = I RMS : RMS value of the total signal. I ...

  • Fluke 1744 - page 45

    1744/1743 Users Manual 36 Formula for Plt Function 3 12 1 3 12 ∑ = = i Pst Plt Ti me Fl i c ker [ %] In te r v a l le ng t h => 1 P st 12 x i nte r va l le ng t h = > 1 f li ck er val ue P l t egb020.eps Figure 17. Measuring Flicker Values Unbalance The ratio of negative-to-positive sequence harmonics is calculated, with the angles and m ag ...

  • Fluke 1744 - page 46

    Power Quality Logger Methods of Logging 37 Current Logging The maxim um values of the currents (L 1 or A, L2 or B, L3 or C , and N) a r e measured, and the interval value of th e current is calculated using the mean value over the RMS values of the in terval defined in PQ Log. Logging Function A If a 3-phase current se nsor is connected, the neut r ...

  • Fluke 1744 - page 47

    1744/1743 Users Manual 38 Logger Parameters with Function P The following are the parameters of the 1744/1743 Logger with function P. RMS value of voltage and current. Basic values on 200 ms per phas e . ∑ = ⋅ = N i i bas V N V 1 2 1 ∑ = ⋅ = N i i bas I N I 1 2 1 N: Number of samples i n 200 ms intervals (2048) RMS value of voltage and curr ...

  • Fluke 1744 - page 48

    Power Quality Logger Logger Parameters with Functio n P 39 P k : Active power of the ph ase k: Phase (k = 1, 2, 3) Absolute value of the a ctive power per interval per phase. Parameter in PQ Log: |P |. ∑ = ⋅ = M j j bas betr P M P 1 1 M: Number of 200 ms intervals per logging interval Sum of the absolute v alue of the total active power on all ...

  • Fluke 1744 - page 49

    1744/1743 Users Manual 40 Tangent φ total on al l three phases total total total P Q = ϕ tan Active energy per phase and total Active power accumulated on each logging interval Note The sign of the active power P gives the dir ection of the p ower flow (positive: fro m generator t o load), and the sign of t he power factor distinguishe s between ...

  • Fluke 1744 - page 50

    Power Quality Logger Logger Parameters with Functio n A 41 Logger Parameters with Function A The following are the parameters of the 1744/1743 Logger with function A. TRMS value of voltage and current. Basi c values on 200 ms per phase. ∑ = = N i i bas V N V 1 2 . 1 ∑ = ⋅ = N i i bas I N I 1 2 1 N: Number of samples in 200 ms intervals (2048) ...

  • Fluke 1744 - page 51

    1744/1743 Users Manual 42 Active power of logging interval per phase ∑ = ⋅ = M j j bas P M P 1 1 P bas j to 200 ms value M: Number of 200 ms intervals per logg ing interval Total active pow er on all three phases ∑ = = 3 1 k k total P P P k : Active power of the ph ase k: Phase (k = 1, 2, 3) Absolute value of the active power per interval per ...

  • Fluke 1744 - page 52

    Power Quality Logger Logger Parameters with Functio n A 43 Distortion power. Basic value on 200 ms per phase 2 2 2 bas bas bas bas Q P S D − − = Distortion power per interval per phase ∑ = ⋅ = M j j bas D M D 1 1 D bas j : 200 ms value M: Number of 200 ms intervals per logg ing interval Total distortion power on three phases ∑ = = 3 1 k k ...

  • Fluke 1744 - page 53

    1744/1743 Users Manual 44 Total active pow er of the fundamental for three phases ∑ = ⋅ = 3 1 1 1 k k total Ph Ph Apparent power of the fundamental per phase. Basic va lue for 20 0 ms. 1 1 . 1 I V Sh bas = Apparent power of the fundamental per phase per interval ∑ = ⋅ = M j j bas Sh M Sh 1 1 1 1 Power factor of t he fundamental per phase 1 ...

  • Fluke 1744 - page 54

    Power Quality Logger Maintenance 45 Maintenance W Caution Maintenance work on the Logger can be done only by trained and qualified personnel at a company-approved service center within the warranty period. For locations o f Fluke Service Centers worldwide an d conta ct information, see the Fluke website: www.fluke.co m. With proper use, the Logg er ...

  • Fluke 1744 - page 55

    1744/1743 Users Manual 46 Technical Specifications Logging Parameters – Overview The following table g ives an overview of the logging parameters. Table 7. Logging Parameters – Overview Measuring Function P A Voltage: mean, min, max values z z Current: mean, max values z z Neutral current N z z Voltage events z z Power: P, |P|, S, D, PF, tangen ...

  • Fluke 1744 - page 56

    Power Quality Logger Technical Specifications 47 Maximum Number of Inte rvals for Logging Function P The maximum recording period can be calculated b y multiplying the interval time defined in PQ Log with the maximum number of intervals in the following table. Version P, V+I A, V+I Averaged periods > 24,000 > 10,000 General Information Intrin ...

  • Fluke 1744 - page 57

    1744/1743 Users Manual 48 Environmental Specifications Working temperature range –10 °C to +55 °C Operating temperature range 0 °C to +35 °C Storage temperature range –20 °C to +60 °C Reference te mperature range 23 °C ± 2 K Relative humidity 10 to 90%, no condensation Housing Robust, compact housing of CYCOLOY Protection IP65 per EN 60 ...

  • Fluke 1744 - page 58

    Power Quality Logger Technical Specifications 49 Power Supply Functional range 88 to 660 V RMS ac absolute, 50 Hz / 60 Hz Safety EN 61010-1 600 V CAT III, 300 V CAT IV, pollution degree 2, double insulation Fuse Power supply fuse can be replaced only in service facility. Supply can be c onnected in parallel to measuring inputs (up to 660 V RMS ac). ...

  • Fluke 1744 - page 59

    1744/1743 Users Manual 50 Input Voltage Input range V I P-N: 69, 115, 230, or 480 V ac Input range V I P-P 120, 200, 400, or 830 V ac Max overload voltage 1.2 V I Input range selection By job programming Connections P-P or P-N, 1- or 3-phase Nominal voltage V N ≤ 999 kV (using PTs and ratios) Input resistance Approx. 820 k e per chann el. Lx-N Si ...

  • Fluke 1744 - page 60

    Power Quality Logger Technical Specifications 51 Current Input for Clamp Input signal: 0.5 V ac nominal (for I I ) 1.4 V peak Intrinsic uncertainty < 0.3% of I I Max. overload 10 V ac Input resistance App. 8.2 k e Current transformer Ratio : ≤ 999 kA / ≤ I I Ratio selection By job programming ...

  • Fluke 1744 - page 61

    1744/1743 Users Manual 52 General Specifications RMS Logging Slow Voltage Variations Logging values: Mean value RMS values averaged over interval length Min, Max values Averaging with selectable aver aging time from 0.5 periods to 5 s Max value Max 10 ms RMS value per interval Min value: Min 10 ms RMS value per interv al Current Logging Values Mean ...

  • Fluke 1744 - page 62

    Power Quality Logger Technical Specifications 53 Power (Logging Functions A, P only) P, S, |P| Active power P As per EN 61036, class 2 Distorting power D As per EN 61268, class 2 (A-version only) Max value Highest value per interval Min value Smallest value per in terval Phase uncertaint y < 0.3 degrees Conditions Conductor centered within clamp ...

  • Fluke 1744 - page 63

    1744/1743 Users Manual 54 Logging Function P Logging Values Voltage L1 or A, L2 or B, L3 or C: ph ase-phase or phase-neutral: • Voltage (m ean, min, and max value s) • THDV (mean, and max values) • Flicker Pst, Plt • Voltage events (dip s, swells, interruptions) Current L1 or A, L2 or B, L3 or C, and N: • Current (mean, m ax values), THDI ...

  • Fluke 1744 - page 64

    Power Quality Logger Technical Specifications 55 Logging Function A – “All” parameters Logging Values All parameters for voltage quality per EN 50160: Voltage L1 or A, L2 or B, L3 or C: ph ase-phase or phase-neutral: • Voltage (m ean, max, min values) • Voltage ha rmonics 1 st to 50 th order • THDV (harm onic contents o f voltage ) • ...

  • Fluke 1744 - page 65

    1744/1743 Users Manual 56 Total power: • Total power P, |P|, D, S • 3-wattmeter method • 2-wattmeter method (Aron circuitry) • 2 ½ wattm eter method Applications Power quality: • Voltage quality analysis according to EN 50160 over a 1-week period (time-activated job) • Examination of measurement quantities per standards Disturbance a n ...

  • Fluke 1744 - page 66

    Power Quality Logger PQ Log PC Application Software 57 PQ Log PC Application Software PQ Log soft ware for Windows ® PCs is the application for use with the 1744/1743 Power Quality Logg er. The data are also available in ASCII format. Programs available for setting up the Logg er: • Interval length • Me mor y mod el • Voltage in put range, n ...

  • Fluke 1744 - page 67

    1744/1743 Users Manual 58 Online Test The following f igure shows the on line test display. egb024.bmp Figure 18. Online Test ...

  • Fluke 1744 - page 68

    Power Quality Logger PQ Log PC Application Software 59 ASCII Export The following figure illu strates the ASCII export display: egb025.bmp Figure 19. ASCII Export For special cases, addition al evaluations are available: • Graphic re presentation of measured dat a • Timeplot di agrams • Application oriented analysis • Logging val ue list ? ...

  • Fluke 1744 - page 69

    1744/1743 Users Manual 60 Timeplot diagram The following fig ure shows a typical Timeplot diagram: egb026.bmp Figure 20. Timeplot Diagram ...

  • Fluke 1744 - page 70

    Power Quality Logger PQ Log PC Application Software 61 UNIPEDE DISDIP Table The following figure shows a typical UNIPEDE DISDIP table: egb027.bmp Figure 21. UNIPEDE DISDIP Table ...

  • Fluke 1744 - page 71

    1744/1743 Users Manual 62 Cumulative Frequency – Harmonics The following figure shows a typ ical display of cumulative frequencies for current and voltage harmonics : egb028.bmp Figure 22. Cumulative Frequency – For Voltage and Current Harmonics ...

  • Fluke 1744 - page 72

    63 Index —A— Anti aliasing filter, 28 Apparent Power, 37 —C— Completing the Logging, 26 Connecting the clip on probes, 14 Connection modes, 27 Connections for Medium Voltage Networks, 21 Crest Factor, 37 Current, 37 Current Harmonics, 33 —D— Disposal, 45 —E— Energy, 40 Eval uati on, 27 Extreme values, 29 —F— Flicker, 35 Frequenc ...

  • Fluke 1744 - page 73

    1744/1743 Users Manual 64 Voltage Harmonics, 32 Voltage interruptions, 31 Voltage variations, 28 Test Equipment Depot - 800.517.8 431 - 99 Washington Street Mel r ose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.co m ...

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