WT1800 Precision Power Analyzer Features Guide - 横河電機

1 IM WT1801-01EN2nd EditionPrecision Power AnalyzerWT1800 Features GuideiIM WT1801-01 ENThank you for purchasing the WT1800 Precision Power Analyzer . This manual contains useful information about the Features of the WT1800 . To ensure correct use, please read this manual thoroughly before beginning reading the manual, keep it in a convenient location for quick reference whenever a question arises during operation. The following manuals, including this one, are provided as manuals for the WT1800 . Please read all the TitleManual Precision Power Analyzer Features GuideIM WT1801-01EN This manual. The supplied CD contains the PDF file of this manual. This manual explains all the WT1800 Features other than the communication interface Precision Power Analyzer User s ManualIM WT1801-02EN The supplied CD contains the PDF file of this manual.

2 The manual explains how to operate the Precision Power Analyzer Getting Started GuideIM WT1801-03EN The manual explains the handling precautions and basic operations of the WT1800 and provides an overview of its Precision Power Analyzer Communication Interface User s ManualIM WT1801-17EN The supplied CD contains the PDF file of this manual. The manual explains the WT1800 series communication interface Features and instructions on how to use The contents of this manual are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functionality. The figures given in this manual may differ from those that actually appear on your screen.

3 Every effort has been made in the preparation of this manual to ensure the accuracy of its contents. However, should you have any questions or find any errors, please contact your nearest YOKOGAWA dealer. Copying or reproducing all or any part of the contents of this manual without the permission of YOKOGAWA is strictly prohibited. The TCP/IP software of this product and the documents concerning it have been developed/created by YOKOGAWA based on the BSD Networking Software, Release 1 that has been licensed from the Regents of the University of Microsoft, Internet Explorer, MS-DOS, Windows, Windows NT, and Windows XP are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

4 Adobe and Acrobat are either registered trademarks or trademarks of Adobe Systems Incorporated. In this manual, the and TM symbols do not accompany their respective registered trademark or trademark names. Other company and product names are trademarks or registered trademarks of their respective 1st Edition: February 2011 2nd Edition: August 20112nd Edition: August 2011(YMI)All Rights Reserved, Copyright 2011 Yokogawa Meters & Instruments CorporationiiIM WT1801-01 ENContents1 Items That This Instrument Can MeasureMeasurement Functions Used in Normal 1-1 Harmonic Measurement Functions (Option) .. 1-3 Delta Computation Functions (Option).. 1-5 Motor Evaluation Functions (Option).

5 1-5 Auxiliary Input Measurement Functions (Option) .. 1-5 High Speed Data Capturing (Option) .. 1-5 What Is a Measurement Function? .. 1-6 Measurement 1-62 Fundamental Measurement ConditionsWiring System Settings (WIRING) .. 2-1 Wiring System (Wiring) .. 2-1 Efficiency Equation ( Formula) .. 2-4 Independent Input Element Configuration (Element Independent) .. 2-5 Delta Computation ( Measure; option) .. 2-6 Selecting an Element Whose Measurement Range You Want to Specify (ELEMENT) .. 2-8 Selecting All Input Elements (ALL).. 2-9 Voltage Range (RANGE UP/DOWN (V)) .. 2-9 Auto Voltage Range (AUTO (V)) .. 2-10 Current Range (RANGE UP/DOWN (A)) ..2-11 Auto Current Range (AUTO (A)).

6 2-11 Power Range .. 2-12 External Current Sensor Range (EXT SENSOR; option) .. 2-12 External Current Sensor Conversion Ratio (SENSOR RATIO; option) .. 2-13 External Current Sensor Range Display Format (DIRECT/MEASURE; option) .. 2-14 Scaling (SCALING) .. 2-14 Valid Measurement Range (CONFIG(V)/CONFIG(A)) .. 2-16 Crest Factor (Crest Factor) .. 2-17 Measurement Period (SYNC SOURCE) .. 2-18 Line Filter (LINE FILTER) .. 2-19 Frequency Filter (FREQ FILTER) .. 2-19 Data Update Interval (UPDATE RATE) .. 2-20 Averaging (AVG) .. 2-20 Displaying the Setup Parameter List (INPUT INFO) .. 2-223 Harmonic Measurement Conditions (Option)Harmonic Measurement Conditions (HRM SET) .. 3-1 PLL Source (PLL Source).

7 3-1 Measured Harmonic Orders (Min Order/Max Order) .. 3-2 Distortion Factor Equation (Thd Formula).. 3-3 Input Element Group (Element Settings) .. 3-3 Anti-Aliasing Filter .. 3-4iiiIM WT1801-01 ENContents4 Motor Evaluation Conditions (Option)Motor Evaluation Conditions and Auxiliary Input Conditions (MOTOR/AUX SET) .. 4-1 Scaling Factor (Scaling) .. 4-1 Unit (Unit) ..4-2 Input Signal Type (Sense Type) .. 4-2 Analog Input Range .. 4-3 Linear Scaling of Analog Input .. 4-3 Line Filter (Line Filter) .. 4-4 Synchronization Source (Sync Source) .. 4-5 Pulse Input Range .. 4-5 Torque Signal Pulse 4-5 Revolution signal pulses per revolution (Pulse N) .. 4-7 Synchronous Speed (Sync Speed).

8 4-7 Electrical Angle Measurement (Electrical Angle Measurement) .. 4-8 Motor Efficiency and Total Efficiency Computation .. 4-95 Auxiliary Input Conditions (Option)Auxiliary Input Conditions (MOTOR/AUX SET) .. 5-1 Input Signal Name (Aux Name) .. 5-1 Scaling Factor (Scaling) .. 5-1 Unit (Unit) ..5-1 Analog Input Range .. 5-1 Linear Scaling of Analog Input .. 5-2 Line Filter (Line Filter) .. 5-36 Holding Measured Values and Performing Single MeasurementsHolding Measured Values (HOLD) .. 6-1 Single Measurement (SINGLE) .. 6-17 Numeric Data DisplayNumeric Data Display (NUMERIC) .. 7-1 Display Format (FORM) .. 7-1 Numeric Data Display Format .. 7-1 Switching the Displayed Page (PAGE UP/PAGE DOWN).

9 7-3 Jumping to the First or Last Page (PAGE TOP/PAGE END) .. 7-3 Number of Displayed Digits (Display Resolution) .. 7-4 Display Item (ITEM) .. 7-44-, 8-, and 16-Value Displays (4 Items/8 Items/16 Items) .. 7-5 Matrix display (Matrix) .. 7-7 All Items Display (All Items) .. 7-8 Single Harmonics and Dual Harmonics Lists (Hrm List Single/Dual; option) .. 7-9 Custom Display (Custom) .. 7-10ivIM WT1801-01 ENContents8 ComputationComputation (MEASURE) .. 8-1 User-Defined Functions (User Defined Function) .. 8-1 Measuring the Average Active Power .. 8-5 MAX Hold (Max Hold) .. 8-5 User-Defined Events (User Defined Event) .. 8-6 Apparent Power , Reactive Power , and Corrected Power Equations (Formula).

10 8-8 Sampling Frequency (Sampling Frequency).. 8-9 Phase Difference Display Format (Phase) .. 8-10 Master/Slave Synchronization Measurement (Sync Measure) .. 8-10 Voltages or Currents Whose Frequencies Will Be Measured (FREQ MEASURE) ..8-119 Integrated Power (Watt hours)Integration-Related Display Indications .. 9-1 Number of Displayed Digits (Display Resolution) .. 9-2 Enabling or Disabling Independent Integration (Independent Control) .. 9-4 Independently Integrated Elements (Element Object) .. 9-4 Starting, Stopping, and Resetting Integration (Start/Stop/Reset) .. 9-5 Integration Conditions (Integ Set) .. 9-7 Integration Mode (Mode).. 9-7 Integration Timer (Integ Timer).