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List of Tables

Table Title Page

1. Symbols..............................................................................................

2. Standard

Equipment ........................................................................... 7

3. Optional

Accessories..........................................................................

1744/1743 Power Quality Logger -
Controls and Indicators ...................................................................... 9

5 Test

Lead

Markings............................................................................ 14

6. Measuring

Ranges.............................................................................. 27

Logging Parameters - Overview......................................................... 46

Summary of Contents for 1743

Page 1: ... 1744 1743 Power Quality Logger Users Manual PN 2560353 April 2006 Rev 1 6 06 2006 Fluke Corporation All rights reserved Printed in USA All product names are trademarks of their respective companies ...

Page 2: ...earest Fluke authorized service center to obtain return authorization information then send the product to that service center with a de scription of the difficulty postage and insurance prepaid FOB Destination Fluke as sumes no risk for damage in transit Following warranty repair the product will be re turned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was cau...

Page 3: ...ort avec le centre de service agréé Fluke le plus proche pour recevoir les références d autorisation de renvoi ou envoyez le produit accompagné d une description du problème port et assurance payés franco lieu de destination à ce centre de service Fluke décline toute responsabi lité en cas de dégradations survenues au cours du transport Après la réparation sous garantie le produit est renvoyé à l ...

Page 4: ...bitte an das nächstgelegene von Fluke autorisierte Servicezentrum um Rücknahmeinformationen zu erhalten und senden Sie dann das Produkt mit einer Beschreibung des Problems und unter Vorauszahlung von Fracht und Versicherungskosten FOB Bestimmungsort an das nächstgelegene von Fluke autorisierte Servicezentrum Fluke übernimmt keine Haftung für Transportschäden Im Anschluss an die Reparatur wird das ...

Page 5: ...aranzia Per usufruire dell assistenza in garanzia rivolgersi al più vicino centro di assistenza autorizzato Fluke per ottenere informazioni sull autorizzazione alla restituzione quindi spedire il prodotto al centro di assistenza allegando una descrizione del difetto franco destinatario e assicurato La Fluke declina ogni responsabilità di danni durante il trasporto Una volta eseguite le riparazioni...

Page 6: ...ertos pela garantia entre em contato com o centro de assistência técnica autorizado Fluke mais próximo ou remeta o produto com uma descrição do problema encontrado e com frete e seguro pagos FOB no destino ao centro de assistência técnica mais próximo A Fluke não se responsabiliza por nenhum dano que possa ocorrer durante o transporte Após serem efetuados os serviços cobertos pela garantia o produ...

Page 7: ...cio de garantía póngase en contacto con el centro de servicio autorizado por Fluke más cercano para obtener la información correspondiente a la autorización de la devolución después envíe el producto a ese centro de servicio con una descripción del fallo con los portes y seguro prepagados FOB destino Fluke no se hace responsable de los daños ocurridos durante el transporte Después de la reparación...

Page 8: ... 授权服务中心的故障产品如需要保修服务请与您就近的 Fluke 授权服务中心联系获得退还授权信息然后将产品寄至服务中心并附上产品问题描述同时预付运费和保险费目的地离岸价格 Fluke 不承担运送途中发生的损坏在保修之后产品将被寄回给买方并提前支付运输费目的地交货如果Fluke 认定产品故障是由于疏忽误用污染修改意外或不当操作或处理状况而产生包括未在产品规定的额定值下使用引起的过压故障或是由于机件日常使用损耗则 Fluke 会估算修理费用在获得买方同意后再进行修理在修理之后产品将被寄回给买方并预付运输费买方将收到修理和返程运输费用寄发地交货的帐单本担保为买方唯一能获得的全部补偿内容并且取代所有其它明示或隐含的担保包括但不限于适销性或满足特殊目的任何隐含担保 FLUKE 对任何特殊间接偶发或后续的损坏或损失概不负责包括由...

Page 9: ... Use 12 Test Leads Markings 14 Connecting Current Probes 14 Logging with Voltage Converters 15 Connecting the Logger 15 Connections in 3 Phase 4 Wire Wye Systems 18 Connections in 3 Phase 3 Wire Delta Systems 19 Connections for Single Phase Logging 20 Connections for Medium Voltage Networks 21 Phase Phase Delta Logging 22 Phase Ground Wye Logging 23 Logging with Two Voltage Converters and Two Curr...

Page 10: ...cifications 46 Logging Parameters Overview 46 Maximum Number of Intervals for Logging Function P 47 General Information 47 Environmental Specifications 48 EMC 48 Power Supply 49 Measurement 49 Input Voltage 50 Current Input with Flexi Set 50 Current Input for Clamp 51 General Specifications 52 RMS Logging Slow Voltage Variations 52 Current Logging Values 52 Events Dips Swells Interruptions 52 Flic...

Page 11: ...Contents continued iii Timeplot diagram 60 UNIPEDE DISDIP Table 61 Cumulative Frequency Harmonics 62 Index ...

Page 12: ...1744 1743 Users Manual iv ...

Page 13: ...s Table Title Page 1 Symbols 4 2 Standard Equipment 7 3 Optional Accessories 7 4 1744 1743 Power Quality Logger Controls and Indicators 9 5 Test Lead Markings 14 6 Measuring Ranges 27 7 Logging Parameters Overview 46 ...

Page 14: ...1744 1743 Users Manual vi ...

Page 15: ... Settings for a 16 kV Network 22 9 PQ Log Settings for a 16 kV Network 23 10 Measuring 3 Phase Voltages in a 3 Wire System with Potential Transformers Aron Measuring Circuit 24 11 PQ Log Settings for a 16 kV Network 25 12 Selecting Voltage Input Ranges During Job Processing 28 13 Measuring Voltage Variations 29 14 Logging Min and Max Values 30 15 Voltage Interruption 31 16 Voltage Dips and Swells ...

Page 16: ...1744 1743 Users Manual viii ...

Page 17: ...ents simultaneously The Logger enables you to conduct a load study over a specified period or monitor power quality to discover and report disturbances in low and medium voltage networks The Logger has a light compact design Its case is sealed to IP 65 specifications so it can be used outdoors in any weather Information and PC Software CD The CD included with the Logger contains the PQ Log applica...

Page 18: ...oltage distribution networks It measures up to three voltages and four currents Logged values are saved in your choice of sequential averaging periods You graphically or numerically evaluated measured values with PQ Log The Model 1744 has two types of logging functions logging function A Advanced and logging function P Power Function A is the full set of parameters and function P provides logging ...

Page 19: ...in P function Voltage interharmonics not in P function Mains signaling voltage Unbalance Frequency POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V egb002 eps Figure 1 Model 1744 1743 Power Quality Loggers ...

Page 20: ...ion is the certified body used for testing compliance to safety standards Do not dispose of this product as unsorted municipal waste Contact Fluke or a qualified recycler for disposal Conforms to relevant Australian Standards Safety Instructions Please read this section carefully It will make you familiar with the most important safety instructions for using the Logger Warnings identify conditions...

Page 21: ... avoid damaging the Logger never connect the power supply leads to voltages higher than 660 V RMS ac The Logger is to be used and handled only by qualified personnel see page 6 Maintenance work on the Logger must be done only by qualified service personnel Use only the current probes specified in this manual If you use flexible current probes wear suitable protective gloves or work on de energized...

Page 22: ... 830 V WX Warning To avoid electrical shock or damaging the Logger s internal protective circuitry or weatherproof seal do not open the Logger Qualified Personnel The following qualifications are required for using the Logger safely Trained and authorized to switch on off ground earth and mark power distribution circuits and devices in accordance with electrical engineering safety standards Traine...

Page 23: ... Soft Case 1642656 English Users Manual 2560353 CD with Users Manual English German French Spanish Portuguese Simplified Chinese Italian and PQ Log software same languages as the manual 2583487 Power Cord 2561702 USB Adapter Note Power supply and voltage measuring leads are built into the 1744 1743 Power Quality Logger Table 3 Optional Accessories Description Accessory 3 Phase Flexi Set MBX 3FLEX ...

Page 24: ...Logger s controls indicators and other features Refer to Figure 2 and Table 4 POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V 6 3 7 2 1 5 4 egb021 eps Figure 2 1744 1743 Power Quality Logger Front View ...

Page 25: ... with a PC The Logger is connected to the PC s serial port or a modem for remote communication using the interface cable Use a USB adapter if necessary C START STOP The START STOP button is used to start or end switch operated logging sessions D Channel LEDs The logging channel LEDs indicate whether the applied voltages and currents are within the nominal range set using the PQ Log software Contin...

Page 26: ...ate time and duration of quick and slow voltage variations Half cycle 10 ms extreme values for 50 Hz 8 3 ms at 60 Hz MIN and MAX for each measuring interval Depth and duration of voltage dips Correlation between peak current and voltage dips 95 flicker values according to EN 50160 Number and duration of interruptions Compliance of harmonic levels with defined limits Mean and peak values of phase c...

Page 27: ...ach job contains the following information Logging function P for Model 1743 and P or A for Model 1744 Measuring period defined by start and end times Time activated switch or immediate job Input range Nominal voltage primary and secondary voltage for logging with voltage converters Logging of phase neutral wire or phase phase Memory model Averaging period length Logging time periods Interharmonic...

Page 28: ...pply 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 you are powering the Logger in parallel with the test leads and the voltage under test at the Logger power supply connections could be greater than 660 V RMS ac plug the power supply leads into an outlet instead Otherwise you could damage the Logger ...

Page 29: ... 660V POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V Voltage Test Leads Power from Wall Outlet Power in Parallel with Max 660 V Test Leads Power Supply Leads Power Supply Leads egb031 eps Figure 3 Supplying Operating Power to the Logge...

Page 30: ...ngs Test Leads Markings Phase L1 or A L1 A Phase L2 or B L2 B Phase L3 or C L3 C Neutral wire N N Supply Supply Supply Supply Connecting Current Probes Connect current clamps and Flexi Set probes so that current will flow in the direction marked by arrows on the probes Current must flow from the energy generator to the energy consumer the load in order to maintain a positive active power The polar...

Page 31: ...art of the Logger to systems that have higher voltages to ground earth than are marked on the Logger Areas between the power company meter and the source of the distribution system are characterized as CAT IV areas To avoid electrical shock or equipment damage never connect the Logger to power in CAT IV areas if the voltage to earth ground is greater than 300 V To avoid damaging the Logger never c...

Page 32: ...h approved optional accessories as listed in Table 2 and Table 3 in this manual Connect clip on current transformers 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 Quality Logge...

Page 33: ...re 1 Connect all required measuring leads 2 If you want to supply the Logger from an extra outlet use the supplied line power adapter The power supply leads can also be connected in parallel to the voltage test leads but the voltage is limited to 660 V RMS ac 3 Connect the current clamp set or Flexi Set to the Logger 4 Connect the current sensor to the conductor under test 5 Connect the dolphin cl...

Page 34: ...logging 3 phase 4 wire Wye systems L1 L2 L3 N POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V egb003 eps Figure 4 Logging in a 3 Phase 4 Wire Wye System ...

Page 35: ...s L1 L2 L3 L4 POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V IP65 egb004 eps Figure 5 Logging in a 3 Phase 3 Wire Delta System The test lead N can be left open or connected to ground potential ...

Page 36: ...for logging single phase systems L1 N POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V L3 L2 egb005 eps Figure 6 Single Phase Logging ...

Page 37: ...re phase phase P P Delta 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 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CAT 600V CAT 300V CAT 100 350V 660V MAX 88 660V egb006 eps Figure 7 Measuring 3 Phase Voltages in a 3 Wire Delta System with Three Voltage Conv...

Page 38: ... logging 1 Connect the voltage test leads to the outputs of the voltage transformers VTs 2 In PQ Log select the measuring range with the matching nominal voltage and P P logging 3 Enter the correct converter transformer ratio for current and voltage egb007 bmp Figure 8 PQ Log Settings for a 16 kV Network ...

Page 39: ...e Ground Wye Logging Figure 7 shows the Phase Ground Wye Logging Figure 9 shows typical PQ Log settings for using potential transformers PTs and current transformers CTs with a 16 kV network egb010 bmp Figure 9 PQ Log Settings for a 16 kV Network ...

Page 40: ...ers and Two Current Transformers In 3 phase 3 wire systems with two voltage converters VTs and two current transformers CTs in an Aron or Blondel measuring circuit the Logger can measure only phase phase P P Delta L1 L2 N L1 L3 L2 L3 POWER LOGGER 1743 START STOP POWER 2 3 2 S R IN I3 I2 I1 V3 V2 V1 CURRENT INPUT 10VRMS MAX L1 A L2 B L3 C N 5VA 45 65 Hz MEASUREMENT INPUT SUPPLY INPUT 830VRMS MAX CA...

Page 41: ...rrent and voltage egb007 bmp Figure 11 PQ Log Settings for a 16 kV Network Note Current clamp sets are available for 1 A current transformer Logging When the Logger is connected and ready you can perform three types of logging Switch activated job The status LED is blinking Press the START STOP button once As soon as the job is active the LED is on continuously If needed the job can be cancelled a...

Page 42: ...leting the Logging Job 1 Terminate the job as follows For switch activated jobs At the end of the logging period stop the logging job by pressing the START STOP button For time activated and immediate jobs Stop the job in PQ Log with the icon or with menu Logger Stop logging Note Make sure the logging job is stopped with the START STOP button switch activated jobs or PQ Log time activated jobs bef...

Page 43: ...ce cable and operating power from the Logger 6 Evaluate the data using PQ Log For details refer to the PQ Log manual Methods of Logging The following section describes methods of logging using the 1744 1743 Logger Measuring Ranges The Logger has three input ranges for each of its two connection systems Wye connection 3 phase 4 wire and Delta connection 3 phase 3 wire Table 6 Measuring Ranges Conne...

Page 44: ...ominal voltage e g 400 V for 230 V systems Signal Sampling Input signals up to three voltages and four currents are filtered with an anti aliasing filter and digitized with a 16 bit A D converter The sampling rate is 10 24 kHz All parameters are calculated from this data Resolution Accuracy Resolution and accuracy depend on the logging parameter For details see ...

Page 45: ...rval length defined in PQ Log Averaging intervals can be set in PQ Log to the following 1 3 5 10 or 30 seconds 1 5 10 15 or 60 minutes 1 Interval Measuring period Time V N egb016 eps Figure 13 Measuring Voltage Variations Note For logging in Wye configuration using logging function A the phase phase voltages are measured and displayed separately from the logging of the phase neutral voltages ...

Page 46: ...ues and the highest current RMS value during the 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 line power period 200 ms 1 3 or 5 seconds U t Max Value Min Value Measuring Interval egb017 jpg Figure 14 Logging Min and Max Values ...

Page 47: ...tions All measured RMS values of input voltages that are 1 of the nominal voltage This threshold can be adjusted in PQ Log Interruptions 10 ms 0 5 line power periods The start time and duration of each interruption are registered Time 90 Un 1 Duration 100 Un 110 Un egb018 eps Figure 15 Voltage Interruption ...

Page 48: ...ip or swell is also recorded Zeit Time 90 Un Duration Depth Heigth Duration 100 Un 110 Un egb019 eps Figure 16 Voltage Dips and Swells Voltage Harmonics Voltage harmonics are defined as voltage components that have a frequency that is an integer multiple of the fundamental frequency of the line power voltage Logging function A records each individual voltage harmonic up to the 50th order These val...

Page 49: ...ntering the signal frequency of the local utility The Logger measures the three second RMS value of each interharmonic and establishes statistics for EN 50160 evaluation These statistics are available after a minimum recording time of 24 hours or after regular termination of the measuring job and can be exported from PQ Log and evaluated later Additionally the Logger provides a long term recording...

Page 50: ...otal contents of harmonics of the line power voltage as a percentage of the fundamental This algorithm is according to EN 61000 4 7 THD of currents Function A 1 50 2 2 I I THDI n n and 50 2 2 n n I A THDI In RMS value of harmonic frequency n I1 RMS value of the fundamental frequency THDI total contents of harmonics of the current as a percentage of the fundamental ...

Page 51: ...of IE measuring range can have additional uncertainties or can be suppressed Harmonics up to 50th order are taken into account Flicker Flicker is the visual impression of unsteadiness in a light source whose luminance or spectral distribution changes over time Flicker is logged in accordance with the IEC 61000 4 15 standard The short term st flicker Pstt is logged over a default standard interval ...

Page 52: ...negative to positive sequence harmonics is calculated with the angles and magnitudes of the phase voltages taken into account These values are averaged over the interval length defined in PQ Log Frequency The line power frequency is measured and averaged over 10 seconds and the resulting values are divided into 42 classes for establishing statistics Values are also averaged over the interval lengt...

Page 53: ...rval Note Short peak values do not contribute much to the average value and so Imax can be higher than Ipeak Crest Factor CF The crest factor CF of the currents L1 or A L2 or B L3 or C and N is the ratio of current peak value divided by current RMS value and is averaged over the interval length defined in PQ Log For sinusoidal signals CF 1 41 and for square waves CF 1 00 Power The power values L1 ...

Page 54: ...s in 200 ms intervals 2048 RMS value of voltage and current per logging interval per phase M j j bas RMS V M V 1 1 M j j bas RMS I M I 1 1 M Number of 200 ms intervals per logging interval Active power based on samples Basic value on 200 ms per phase i N i i bas I V N P 1 1 Active power per logging interval per phase M j j bas P M P 1 1 Pbas 200 ms value M Number of 200 ms intervals per logging in...

Page 55: ... of the absolute value of the total active power on all three phases PQ Log parameter P total k k betr betrtotal P P 3 1 K Phase k 1 2 3 Apparent power per phase 2 2 bas bas bas Q P S Apparent power per logging interval per phase M j j bas S M S 1 1 Total apparent power on all three phases 3 1 k k total S S Power factor per phase S P Q Q PF λ Total power factor on all three phases total total tota...

Page 56: ...each logging interval Note The sign of the active power P gives the direction of the power flow positive from generator to load and the sign of the power factor distinguishes between inductive load positive and capacitive load negative Sign of PF tan φ cos φ Sign Q positive inductive Sign Q negative capacitive independent of the sign of active power P ...

Page 57: ...oltage and current per logging interval per phase M j basj RMS V M V 1 2 1 M j j bas RMS I M I 1 2 1 M Number of 200 ms intervals per logging interval Active power calculated from FFT from samples of voltage and current Basic value on 200 ms per phase n n n n I V P ϕ cos Vn RMS value of voltage harmonics of order n In RMS value of current harmonics of order n n Order of the harmonics φn Phase angl...

Page 58: ...ctive power per interval per phase M j j bas betr P M P 1 1 Sum of the absolute values of the active power on all three phases M j bas bas bas total betr P P P M P 1 3 2 1 1 Apparent power based on RMS values of voltage and current Basic values on 200 ms per phase bas bas bas I V S Apparent power per logging interval per phase M j j bas S M S 1 1 Sbas j 200 ms value M Number of 200 ms intervals pe...

Page 59: ...ogging interval Total distortion power on three phases 3 1 k k total D D Distortion power per phase Q Q S P PF λ Total distortion power on three phases total total total total total total Q Q S P PF λ Tangent φ per phase P Q ϕ tan Total tangent φ on three phases total total total P Q ϕ tan Active power of the fundamental per phase Basic value for 200 ms 1 1 P Ph bas Active power of the fundamental...

Page 60: ...phase per interval M j j bas Sh M Sh 1 1 1 1 Power factor of the fundamental per phase 1 1 1 1 cos 1 Qh Qh Sh Ph total ϕ Total power factor on all three phases total total total total Qh Qh Sh Sh Sh Ph 1 1 1 1 1 1 cos 3 2 1 1 ϕ Active energy per phase and total Active power accumulated on each logging interval Sign of PF tan φ cos φ Sign Q positive inductive Sign Q negative capacitive independent ...

Page 61: ...luke com With proper use the Logger does not require special maintenance other than periodic calibration at a Fluke calibration center If the Logger gets dirty wipe it off carefully with a damp cloth without cleaning agents Lithium Battery The 1744 1743 Logger contains a vanadium pentoxide lithium rechargeable battery This battery is automatically recharged during normal operation Disposal If you ...

Page 62: ... 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 tangent z z Power total P P S D PF tangent z z Energy z z Flicker Pst Plt z z Voltage harmonics z Current harmonics L1 or A L2 or B L3 or C N up to 50th order z Interharmonics ripple control signals z THDV voltage z z THDI current z z CF crest factor current z Unbalance z Frequenc...

Page 63: ...riods 24 000 10 000 General Information Intrinsic uncertainty Valid for reference conditions and guaranteed for two years Quality system Developed designed and manufactured according to DIN ISO 9001 Recalibration interval Fluke recommends a recalibration interval of no more than two years depending on use Reference conditions 23 C 2 K 230 V 10 50 Hz 0 1 Hz 60 Hz 0 1 Hz Phase sequence L1 or A L2 or...

Page 64: ...range 20 C to 60 C Reference temperature range 23 C 2 K Relative humidity 10 to 90 no condensation Housing Robust compact housing of CYCOLOY Protection IP65 per EN 60529 Safety EN 61010 1 600 V CAT III 300 V CAT IV pollution degree 2 double insulation Type test voltage 5 2 kV ac 50 Hz 60 Hz 5 s EMC Emission IEC EN 61326 1 EN 55022 Immunity IEC EN 61326 1 ...

Page 65: ...PROM Intervals 5 600 intervals 39 days with 10 min intervals Events 13 000 Memory model Linear circular Interface RS232 9600 to 115000 Baud automatic selection 3 wire communication Dimensions 170 mm x 125 mm x 55 mm Weight Approx 0 9 kg Measurement A D converter 16 bit Sampling frequency 10 24 kHz Anti aliasing filter FIR Filter fC 4 9 kHz Frequency response Uncertainty 1 of Vm for 40 to 2500 Hz I...

Page 66: ...rtainty 0 1 of VI Voltage transformer Ratio 999 kV VI Ratio selection By job programming Current Input with Flexi Set Input ranges II L1 or A L2 or B L3 or C N 15 150 1500 or 3000 A ac Measuring range 0 75 A to 3000 A ac Intrinsic uncertainty 2 of II Position influence Max 2 of m v for distance conductor to measuring head 30 mm Stray field influence 2 A for Iext 500 A ac and distance to measuring ...

Page 67: ...ifications 51 Current Input for Clamp Input signal 0 5 V ac nominal for II 1 4 V peak Intrinsic uncertainty 0 3 of II Max overload 10 V ac Input resistance App 8 2 ke Current transformer Ratio 999 kA II Ratio selection By job programming ...

Page 68: ...value per interval Current Logging Values Mean value RMS values averaged over interval length Max value Highest RMS value per interval Events Dips Swells Interruptions Limit value Variable Lower limit 0 to 95 VN Upper limit 105 to 120 VN Set in PQ Log Range 0 to VI 20 Logging value period RMS value Operating uncertainty 2 of VI Response time line power period Flicker Logging value Flicker severity...

Page 69: ...ss B Voltage harmonics function A intrinsic uncertainty For Vm 3 VN 0 15 VN For Vm 3 VN 5 Vm Current harmonics function A intrinsic uncertainty For Im 10 IN 0 5 IN For Im 10 IN 5 Im THDV function A intrinsic uncertainty at VN For THDV 3 0 15 For THDV 3 5 THDV function P intrinsic uncertainty at VN For THDV 3 1 For THDV 3 5 THDI functions A P intrinsic uncertainty at II For THDI 3 2 For THDI 3 5 St...

Page 70: ...x values Absolute values active power P mean min and max values Apparent power S mean min and max values Power Factor PF tangent Energy per averaging interval Total Power Total power P P S 3 wattmeter and 2 wattmeter method Aron circuitry Application Power logging Long term analysis of active reactive apparent power Long term analysis of power factor symmetry Disturbance analysis Examination of vo...

Page 71: ... 2500 Hz in steps of 0 5 Hz Flicker Pst Plt Unbalance Signaling voltages Frequency Voltage events dips swells interruptions Current L1 or A L2 or B L3 or C and N Current mean max values Harmonics of phase and neutral currents up to 50th order Crest factor and peak values of the currents Power Active power P mean min and max values Absolute values active power P mean min and max values Distorting p...

Page 72: ...ntities per standards Disturbance analysis Long term analysis of line power voltage Examination of voltage dips swells and harmonic problems Flicker measurement Examination of ripple control signals level Specific search for disturbances through correlation of relevant logging quantities e g current voltage and flicker time of occurrence periodicity Network Optimization Load logging Current loggin...

Page 73: ...s available for setting up the Logger Interval length Memory model Voltage input range nominal voltage nominal current Response time for min max values Connection type P N P P Thresholds for event detection interruptions Setup Internal clock date time Define 1744 1743 Power Quality Logger designation Parameters for data export Software updates Analysis ASCII data export Graphical summary of all EN...

Page 74: ...1744 1743 Users Manual 58 Online Test The following figure shows the online test display egb024 bmp Figure 18 Online Test ...

Page 75: ...s additional evaluations are available Graphic representation of measured data Timeplot diagrams Application oriented analysis Logging value list Table of events UNIPEDE DISDIP Table summary Cumulative frequency harmonics logging function A only Statistical values logging function A only All exceeding table logging function A only Most critical values logging function A only ...

Page 76: ...1744 1743 Users Manual 60 Timeplot diagram The following figure shows a typical Timeplot diagram egb026 bmp Figure 20 Timeplot Diagram ...

Page 77: ...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 ...

Page 78: ...nual 62 Cumulative Frequency Harmonics The following figure shows a typical display of cumulative frequencies for current and voltage harmonics egb028 bmp Figure 22 Cumulative Frequency For Voltage and Current Harmonics ...

Page 79: ...Interharmonics 11 Interval length 11 Ipeak 37 L Limit values for events 11 Lithium Battery 45 Logging Configurations 10 Logging input for voltages 9 Logging segments 11 Logging with two voltage converters and two current transformers 24 M Maximum nominal voltages 6 16 Memory model 11 Methods of Logging 27 N Nominal Voltages 27 P Phase N 11 Phase Phase 11 Power factor 37 39 R Reactive Power 37 S Sa...

Page 80: ...1744 1743 Users Manual 64 Voltage Harmonics 32 Voltage interruptions 31 Voltage variations 28 ...

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