Fluke 1745-BASIC User Manual
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Fluke 1745-BASIC User Manual

Power quality logger
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®
1745
Power Quality Logger
Users Manual
PN 2560366
April 2006 Rev.1, 7/06
MyFlukeStore
© 2006 Fluke Corporation, All rights reserved.
1.877.766.5412
www.
.com
All product names are trademarks of their respective companies.
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  • Page 1 ® 1745 Power Quality Logger Users Manual PN 2560366 April 2006 Rev.1, 7/06 MyFlukeStore © 2006 Fluke Corporation, All rights reserved. 1.877.766.5412 www. .com All product names are trademarks of their respective companies. Shop for Fluke products online at:...
  • Page 2 Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period.
  • Page 3 à offrir une garantie plus étendue ou différente au nom de Fluke. Le support de garantie est offert uniquement si le produit a été acquis par l’intermédiaire d’un point de vente agréé par Fluke ou bien si l’acheteur a payé...
  • Page 4 Vertriebsstelle erworben oder der jeweils geltende internationale Preis gezahlt wurde. Fluke behält sich das Recht vor, dem Käufer Einfuhrgebühren für Ersatzteile in Rechnung zu stellen, falls der Käufer das Produkt nicht in dem Land zur Reparatur einsendet, in dem er das Produkt ursprünglich erworben hat.
  • Page 5 Fluke autorizzato. Sono esclusi i fusibili, le pile monouso e i prodotti che, a parere della Fluke, siano stati adoperati in modo improprio, alterati, trascurati, contaminati o danneggiati in seguito a incidente o condizioni anomale d’uso e maneggiamento.
  • Page 6 A obrigação da Fluke no tocante a esta garantia é limitada, a critério da Fluke, à devolução da importância correspondente ao preço pago pelo produto, a consertos gratuitos, ou à...
  • Page 7 Fluke. El soporte técnico en garantía está disponible sólo si el producto se compró a través de un centro de distribución autorizado por Fluke o si el compra- dor pagó el precio internacional correspondiente. Cuando un producto comprado en un país sea enviado a otro país para su reparación, Fluke se reserva el derecho de facturar al Comprador los...
  • Page 8 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，包括由于任何原因或推理引起的数据 丢失。 由于某些国家或州不允许对隐含担保的期限加以限制、或者排除和限制意外或后 续损坏，本担保的限制和排除责任条款可能并不对每一个买方都适用。如果本担 保的某些条款被法院或其它具有适当管辖权的裁决机构判定为无效或不可执行， 则此类判决将不影响任何其它条款的有效性或可执行性。 Fluke Corporation Fluke Europe B.V. P.O. Box 9090 P.O. Box 1186 Everett, WA 98206-9090 5602 BD Eindhoven U.S.A. The Netherlands MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 9: Table Of Contents

    Signal Sampling................27 Resolution Accuracy................. 27 Voltage Variations ................27 Averaging Period ................28 Min/Max Values ................29 Voltage Interruptions ..............30 Voltage Dips and Swells ............... 31 Voltage Harmonics ................31 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 10 PQ Log PC Application Software ............52 Live Reading (Online Test) ............53 ASCII Export................54 Timeplot Diagram ................ 55 UNIPEDE DISDIP Table ............. 56 Cumulative Frequency – Harmonics ..........56 Index MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 11 Symbols....................4 Standard Equipment ................7 Optional Accessories................7 1745 Power Quality Logger - Controls and Indicators....... 9 Test Leads - Markings................ 15 Measuring Ranges................26 Logging Parameters - Overview............43 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 12 1745 Users Manual MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 13 Measuring Flicker Values ..............35 Live Reading (Online Test)..............53 ASCII Export ..................54 Timeplot Diagram ................55 UNIPEDE DISDIP Table..............56 Cumulative Frequency - For Voltage and Current Harmonics ... 56 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 14 1745 Users Manual MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 15: Introduction

    1745 Power Quality Logger Introduction The Fluke 1745 Power Quality Logger, see Figure 1, is a sophisticated, easy- to-use, electrical power-recording device for the electrician or power-quality specialist. Note This manual also refers to the 1745 Power Quality Logger simply as “the Logger”.

  • Page 16: Logger Power Supply

    Function P contains every parameter in Function A except voltage and current harmonics and interharmonics. Logging function P allows longer logging periods because it does not save harmonics values. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 17 Current THD Current CF Voltage harmonics to the 50 (not in P function) Voltage interharmonics (not in P function) Mains signalling voltage Unbalance Frequency egc001.eps Figure 1. 1745 Power Quality Logger MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 18: Symbols

    Canadian Standards Association 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.
  • Page 19 All accessories must be approved for 600 V CAT III or higher. Use the Logger only with its original standard equipment or with approved optional accessories, as listed in Table 2 and Table 3 in this manual. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 20: Qualified Personnel

    Trained in first aid. Standard Equipment and Optional Accessories Table 2 lists the standard equipment for the 1745 Power Quality Logger and Table 3 lists optional accessories. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 21: Standard Equipment

    EPO405A C425 Hardcase 2654865 Permlink Software for Modem E631820090 3-Phase Voltage Leads 2645854 Inspect the contents of the shipping box for completeness and damage. Report any damage, to the shipper. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 22: Features

    Users Manual Features This section introduces the Logger’s controls, indicators and other features. Refer to Figure 2 and Table 4. egc002.eps Figure 2. 1745 Power Quality Logger - Front View MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 23: Power Quality Logger - Controls And Indicators

    480 V. When using PTs and CTs for measuring voltage and current in a medium-voltage network, refer to the IEC 60044 international standard for guidelines. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 24 PQ Log software. Red = Overload Green = OK Yellow = Underload (There is no detection for the current input) MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 25: Power Network Configurations

    Profile of active, reactive, and apparent power versus time Monitoring of power factor (PF) and information about effectiveness of compensation systems Graphical representations of logging data and statistics MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 26: Using The 1745 Power Quality Logger

    (quit logging when logging period is finished) Logging of current - neutral wire Optional converter ratios for current and voltage if using potential transformers (PTs) and current transformers (CTs) at a medium- voltage network site MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 27: Preparing The Logger For Use

    USB adapter if your PC does not have a serial port. 3. Run the PQ Log software as described in the PQ Log Users Manual. 4. Set up the Logging job and transfer the settings to the Logger. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 28 Power from Wall Outlet with Test Leads Power Supply Leads Power Supply Leads Voltage Test Leads Voltage Test Leads Max 660 V egc031.eps Figure 3. Supplying Operating Power to the Logger MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 29: Test Leads - Markings

    When logging with voltage convertors, make sure the power supply cables are not connected in parallel to the voltage test leads, or the Logger’s power consumption can reduce accuracy. The convertor ratio is defined using the PQ Log software. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 30: Connecting The Logger

    To prevent electrical shock, always connect power supply and voltage test leads to the Logger before connecting to the load. All accessories must be approved for 600 V CAT III or higher. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 31 3-phase-3-wire (Delta) systems (P-P): 120 V to 830 V WX Warning To avoid electrical shock, or damaging the Logger’s internal protective circuitry or weatherproof seal, do not open the Logger. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 32 4. Connect the current sensor to the conductor under test. 5. Connect the dolphin clips to the test leads. For 3-phase, 4-wire systems, connect the N-test lead first, and then the other phases. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 33: Connections In 3-Phase 4-Wire (Wye) Systems

    Using the 1745 Power Quality Logger Connections in 3-Phase 4-Wire (Wye) Systems Figure 4 shows the connections for logging 3-phase 4-wire (Wye) systems: Power Supply egc003.eps Figure 4. Logging in a 3-Phase 4-Wire (Wye) System MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 34: Connections In 3-Phase 3-Wire (Delta) Systems

    Figure 5 shows the connections for logging 3-phase 3-wire (Delta) systems. The test lead “N” can be left open or connected to ground potential. Power Supply egc004.eps Figure 5. Logging in a 3-Phase 3-Wire (Delta) System MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 35: Connections For Single-Phase Logging

    Power Quality Logger Using the 1745 Power Quality Logger Connections for Single-Phase Logging Figure 6 shows the connections for logging single-phase logging systems: Power Supply egc005.eps Figure 6. Single-Phase Logging MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 36: Connections For Medium Voltage Networks

    Logger can measure phase-phase (P-P, Delta) or phase - N (P-N, Wye). See Figure 7. Power Supply egc006.eps Figure 7. Measuring 3 Phase Voltages in a 3-Wire (Delta) System with Three Voltage Converters MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 37 Power Quality Logger Using the 1745 Power Quality Logger Figure 9 shows the connections for two-element Delta (Aron or Blondel) metering connections. Power Supply L2, N egc009.eps Figure 8. Two-Element Delta Connections MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 38: Logging

    Otherwise, the Logger will record a voltage interruption. Only switch-activated jobs can be aborted. Time activated jobs are terminated only when the programmed measuring time has elapsed. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 39: Evaluating The Logged Data

    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 1745 Logger. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 40: Voltage Ranges

    120 V ~, +20 % 200 V ~, +20 % 400 V ~, +20 % 830 V ~, +20 % 3-phase 3 wire egb015.bmp Figure 9. Basic Logger Setup Parameters MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 41: Signal Sampling

    Resolution and accuracy depend on the logging parameter. For details see “Technical Specifications”. Voltage Variations The interval value of the voltage is defined as the mean value of the RMS values over the interval length defined in PQ Log. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 42: Averaging Period

    1, 3, 5, 10, or 30 seconds 1, 5, 10, 15, or 60 minutes Figure 10 shows the measuring voltage variations of the Logger. 1 Interval Time Measuring period egb016.eps Figure 10. Measuring Voltage Variations MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 43: Min/Max Values

    1, 3, or 5 seconds. Figure 11 shows the logging min and max values of the Logger. Max. Value Min. Value Measuring Interval egb017.eps Figure 11. Logging Min and Max Values MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 44: Voltage Interruptions

    Interruptions > 1 half-cycle The start time and duration of each interruption are registered. See Figure 12. 110% Vn 100% Vn 90% Vn Time Duration egb018.eps Figure 12. Voltage Interruption MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 45: Voltage Dips And Swells

    Logging function A records each individual voltage harmonic, up to the 50 . These values are averaged over the interval length defined in PQ Log. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 46: Current Harmonics

    183 Hz, the values will be corrected to 185 Hz). Interharmonics of voltages and currents with these frequencies are recorded. See the PQ Log manual for details. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 47: Thd V - In Function A

    ∑ THDI Function A: RMS value of harmonic frequency #n. RMS value of the fundamental frequency. THDI: total contents of harmonics of the current as a percentage of the fundamental. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 48: Calculation Of Thd In Measuring Function P

    RMS value of the fundamental Note THDI for currents < 5 % of IE (measuring range) can have additional uncertainties, or can be suppressed. Harmonics up to 50th order are taken into account. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 49: Flicker

    The interval value can be changed as needed in PQ Log. Formula for Plt Function ∑ Flicker [%] Time 12 x interval length => 1 flicker value Plt Interval length => 1 Pst egb020.eps Figure 14. Measuring Flicker Values MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 50: Unbalance

    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 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 51: Power

    In logging function P, the active power, apparent power, and reactive power of the phases and total power of all three phases is calculated. Logging function A also calculates the distorting power D of the phases and total MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 52: Measurement Theory

    : RMS value of current harmonics of order n n Order of the harmonics φ : Phase angle between current and voltage harmonics of order n : Harmonics of the active power of order n ∑ Fundamental MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 53 Basic values on 200 ms per phase ∑ Apparent power per logging interval per phase : 200 ms value bas j M: Number of 200 ms intervals per logging intervals MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 54 Tangent φ per phase total Total tangent φ on three total phases total Active power of the fundamental per phase Basic value for 200 ms MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 55 Sign of PF, tan φ, cos φ: Sign “+” : Q positive (“inductive”) Sign “-“ : Q negative (“capacitive”) independent of the sign of active power P MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 56: Maintenance

    WCaution Maintenenca work on the done only by trained and qualified personnel at a company approved service center within the warranty period. For locations of Fluke Service Centers worldwide and contact information, see the Fluke website: www.fluke.com. With the proper use, the Logger does not require special maintenance other than periodic calibration at a Fluke calibration center.

  • Page 57: Technical Specifications

    Voltage harmonics Current harmonics (L1 or A, L2 or B, L3 or C, N, up to 50 order) Interharmonics, ripple-control signals THDV (voltage) THDI (current) CF (crest factor current) Unbalance Frequency MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 58: Maximum Number Of Intervals For Logging Funtion P

    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...

  • Page 59: Environmental Specifications

    Supply can be connected in parallel to measuring inputs (up to 660 V RMS AC). Power consumption Memory capacity 8 MB Flash-EPROM Intervals > 10000 intervals, > 70 days with 10 min intervals Events > 13000 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 60: Measurement

    (L1 or A, L2 or B, L3 or C connected): app. 300 ke Intrinsic uncertainty 0.1 % of V Voltage transformer Ratio : < 999 kV / V Ratio selection Optional: user-selectable MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 61: Current Input With Flexi Set

    < 0.3 % of I Max. overload 10 V AC Input resistance App. 8.2 ke Current transformer Ratio : ≤ 999 kA / ≤ I Ratio selection By job programming MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 62: General Specifications

    ½ line power period Flicker Logging value Flicker severity (P ) according to IEC 61000-4-15 Intrinsic uncertainty P < 5 % of measured value Measuring range P 0.4 to 4 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 63: Power P, S, |P

    42 classes for 10 s mean values Ripple-control signals. Interharmonics 21 classes for 3 s mean values. Analysis of logging data Programming and analysis is done by PQ Log software on PC. MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 64: Logging Function Parameters

    Apparent power S (mean, min, and max values) Power Factor PF, tangent Energy per averaging interval Total power: Total power P, |P|, D, S 3-wattmeter method 2-wattmeter method (Aron circuitry) 2 ½ wattmeter method MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 65: Applications

    (e.g. current, voltage, and flicker), time of occurrence, periodicity Network Optimization: Load logging Current logging (with Flexi Set 5 to 3000 A or clamps 1 to 1000 A) Capture of current peaks MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 66: Pq Log Pc Application Software

    Setup: Internal clock (date/time) Assign 1745 Power Quality Logger instrument name Parameters for data export Software updates Analysis: ASCII data export Graphical summary of all EN50160 parameters Live reading viewing MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 67: Live Reading (Online Test)

    Power Quality Logger PQ Log PC Application Software Live Reading (Online Test) Figure 15 shows a typical display of online test: egb024.bmp Figure 15. Live Reading (Online Test) MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 68: Ascii Export

    Timeplot diagrams Application oriented analysis Logging value list Table of events (UNIPEDE DISDIP) Table summary Cumulative frequency, harmonics (Logging Function A only) Statistical values All exceeding table Most critical values MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 69: Timeplot Diagram

    Power Quality Logger PQ Log PC Application Software Timeplot Diagram Figure 17 shows a typical display of Timeplot diagram: egb026.bmp Figure 17. Timeplot Diagram MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

  • Page 70: Unipede Disdip Table

    Figure 18. UNIPEDE DISDIP Table Cumulative Frequency – Harmonics Figure 19 shows a typical display of cumulative frequencies for current and voltage harmonics: egb028.bmp Figure 19. Cumulative Frequency - For Voltage and Current Harmonics MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 71 Interval length, 12 —V— Ipeak, 36 Voltage dips/swells, 31 —L— Voltage Harmonics, 31 Voltage interruptions, 30 Limit values for events, 12 Voltage variations, 28 Lithium Battery, 42 Logging Configurations, 11 MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...
  • Page 72 1745 Users Manual MyFlukeStore 1.877.766.5412 www. .com Shop for Fluke products online at:...

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