YOKOGAWA WT1800 User Manual

YOKOGAWA WT1800

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IM WT1801-01EN

2nd Edition

Precision Power Analyzer

WT1800

Features Guide

Table of Contents

Default Chapter3
- Table of Contents3
1 Items that this Instrument Can Measure8
- Measurement Functions Used in Normal Measurement8
- Harmonic Measurement Functions (Option)10
- Delta Computation Functions (Option)12
- Motor Evaluation Functions (Option)12
- Auxiliary Input Measurement Functions (Option)12
- What Is a Measurement Function13
- Measurement Period13
2 Fundamental Measurement Conditions14
- Wiring System Settings (WIRING)14
- Wiring System (Wiring)14
- Efficiency Equation (Η Formula)17
- Independent Input Element Configuration (Element Independent)18
- Delta Computation (Δ Measure; Option)19
- Selecting an Element Whose Measurement Range You Want to Specify (ELEMENT)21
- Selecting All Input Elements (ALL)22
- Voltage Range (RANGE UP/DOWN (V))22
- Auto Voltage Range (AUTO (V))23
- Current Range (RANGE UP/DOWN (A))24
- Auto Current Range (AUTO (A))24
- Power Range25
- External Current Sensor Range (EXT SENSOR; Option)25
- External Current Sensor Conversion Ratio (SENSOR RATIO; Option)26
- External Current Sensor Range Display Format (DIRECT/MEASURE; Option)27
- Scaling (SCALING)27
- Valid Measurement Range (CONFIG(V)/CONFIG(A))29
- Crest Factor (Crest Factor)30
- Measurement Period (SYNC SOURCE)31
- Line Filter (LINE FILTER)32
- Frequency Filter (FREQ FILTER)32
- Data Update Interval (UPDATE RATE)33
- Averaging (AVG)33
- Displaying the Setup Parameter List (INPUT INFO)35
3 Harmonic Measurement Conditions (Option)36
- Harmonic Measurement Conditions (HRM SET)36
- PLL Source (PLL Source)36
- Measured Harmonic Orders (Min Order/Max Order)37
- Distortion Factor Equation (Thd Formula)38
- Input Element Group (Element Settings)38
- Anti-Aliasing Filter39
4 Motor Evaluation Conditions (Option)40
- Motor Evaluation Conditions and Auxiliary Input Conditions (MOTOR/AUX SET)40
- Scaling Factor (Scaling)40
- Unit (Unit)41
- Input Signal Type (Sense Type)41
- Analog Input Range42
- Linear Scaling of Analog Input42
- Line Filter (Line Filter)43
- Synchronization Source (Sync Source)44
- Pulse Input Range44
- Torque Signal Pulse Rating44
- Revolution Signal Pulses Per Revolution (Pulse N)46
- Synchronous Speed (Sync Speed)46
- Electrical Angle Measurement (Electrical Angle Measurement)47
- Motor Efficiency and Total Efficiency Computation48
5 Auxiliary Input Conditions (Option)49
- Auxiliary Input Conditions (MOTOR/AUX SET)49
- Input Signal Name (Aux Name)49
- Scaling Factor (Scaling)49
- Unit (Unit)49
- Analog Input Range49
- Linear Scaling of Analog Input50
- Line Filter (Line Filter)51
6 Holding Measured Values and Performing Single Measurements52
- Holding Measured Values (HOLD)52
- Single Measurement (SINGLE)52
7 Numeric Data Display53
- Numeric Data Display (NUMERIC)53
- Display Format (FORM)53
- Numeric Data Display Format53
- Switching the Displayed Page (PAGE up55
- Jumping to the First or Last Page (PAGE TOP55
- Number of Displayed Digits (Display Resolution)56
- Display Item (ITEM)56
- 8-, and 16-Value Displays (4 Items/8 Items/16Items)57
- Matrix Display (Matrix)59
- All Items Display (All Items)60
- Single Harmonics and Dual Harmonics Lists (Hrm List Single/Dual; Option)61
- Custom Display (Custom)62
8 Computation65
- Computation (MEASURE)65
- User-Defined Functions (User Defined Function)65
- Measuring the Average Active Power69
- MAX Hold (Max Hold)69
- User-Defined Events (User Defined Event)70
- Apparent Power, Reactive Power, and Corrected Power Equations (Formula)72
- Sampling Frequency (Sampling Frequency)73
- Phase Difference Display Format (Phase)74
- Master/Slave Synchronization Measurement (Sync Measure)74
- Voltages or Currents Whose Frequencies will be Measured (FREQ MEASURE)75
9 Integrated Power (Watt Hours)76
- Integration-Related Display Indications76
- Number of Displayed Digits (Display Resolution)77
- Enabling or Disabling Independent Integration (Independent Control)79
- Independently Integrated Elements (Element Object)79
- Starting, Stopping, and Resetting Integration (Start/Stop/Reset)80
- Integration Conditions (Integ Set)82
- Integration Mode (Mode)82
- Integration Timer (Integ Timer)85
- Scheduled Times for Real-Time Integration (Real-Time Control)85
- Integration Auto Calibration On/Off (Auto Cal)86
- Watt Hour Integration Method for each Polarity (WP ± Type)86
- Current Mode for Current Integration (Q Mode)86
- Rated Time of Integrated D/A Output (D/A Output Rated Time; Option)87
10 Waveform Display88
- Waveform Display (WAVE)88
- Display Format (FORM)89
- Number of Windows (Format)89
- Time Axis (Time/DIV)89
- Vertical Axis (Amplitude)91
- Trigger (Trigger Settings)92
- Advanced Waveform Display Settings (Display Settings)94
- Waveform Mapping (Wave Mapping)95
- Display Item (ITEM)95
11 Trend Display97
- Other Displays (OTHERS)97
- Trend Display (Trend)97
- Display Format (FORM)98
- Display Item (ITEM)99
12 Bar Graph Display (Option)100
- Bar Graph Display (OTHERS (Bar))100
- Display Format (FORM)100
- Display Item (ITEM)101
13 Vector Display (Option)102
- Vector Display (OTHERS (Vector))102
- Display Format (FORM)103
- Display Item (ITEM)103
14 Split Display104
- Split Display (OTHERS)104
- Split Displays with the Numeric Display (Numeric+***)104
- Split Displays with the Waveform Display (Wave+***)104
- Split Displays with the Trend Display (Trend+***)104
- Split Display Settings104
15 Cursor Measurement105
- Cursor Measurement (CURSOR)105
- Turning Cursor Measurement on and off (Cursor)105
- Waveform Measured by Cursor 1 (+; C1+ Trace)105
- Waveform Measured by Cursor 2 (X; C2X Trace)105
- Cursor Path (Cursor Path)106
- Position of Cursor 1 (+; C1+ Position)106
- Position of Cursor 2 (X; C2X Position)106
- Linking Cursor Movement (Linkage)106
- Measured Items106
- Cursor Movement108
16 High Speed Data Capturing109
- High Speed Data Capturing (OTHERS(High Speed Data Capturing))109
- Measurement Functions110
- High Speed Data Capturing (HS) Settings (FORM)112
- Number of Data Captures (Capture Count)112
- Viewing and Optimizing the Maximum Capturing Count (Optimize Count)112
- Capture Control Settings (Control Settings)113
- Recording to a File (Record to File)115
- Save Conditions (File Settings)116
- Starting and Stopping High Speed Data Capturing (Start/Stop)117
- Display Items (ITEM)119
17 Data Storage120
- Storage-Related Display Indications120
- Storage Conditions (STORE SET)120
- Storage Control (Control Settings)121
- Stored Items (Item Settings)123
- Save Conditions (File Settings)124
- Storage Operations in each Storage Mode127
18 Saving and Loading Data130
- Storage Media130
- Saving Setup Data (Save Setup)131
- Saving Waveform Display Data (Save Wave)131
- Saving Numeric Data (Save Numeric)131
- File Save Conditions132
- Loading Setup Data (Load Setup)134
- File Operations (Utility)135
19 Saving Screen Images137
- Conditions for Saving Screen Image Data (IMAGE SAVE MENU)137
- Saving a Screen Image (IMAGE SAVE)137
20 Printing Screen Images and Numeric Data (Option)138
- Printing Conditions (PRINT MENU)138
- Output Format (Format)138
- Automatic Printing Execution (Auto Print ON)139
- Automatic Printing (Auto Print Settings)139
- Comment (Comment)140
- Paper Feed (Paper Feed)140
- Print Timing for Different Print Modes141
- Printing (PRINT)143
21 Ethernet Communication (Network)144
- Tcp/Ip (Tcp/Ip)145
- FTP Server (FTP Server)146
- Network Drive (Net Drive)147
- Sntp (Sntp)148
22 Utility149
- Utility (UTILITY)149
- Overview (System Overview)150
- Initializing the Settings (Initialize Settings)150
- Remote Control (Remote Control)151
- System Configuration (System Config)153
- D/A Output (D/A Output Items; Option)156
- Self-Test (Selftest)159
23 Other Features160
- Zero-Level Compensation (CAL)160
- NULL Feature (NULL SET)160
- Enabling and Disabling the NULL Feature (NULL)162
- Clearing Remote Mode (LOCAL)162
- Key Lock (KEY LOCK)162
Index163

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YOKOGAWA WT1800 Specifications

General

Model	WT1800
Basic Power Accuracy	±0.1% of reading
Frequency Range	DC, 0.1 Hz to 1 MHz
Harmonic Analysis	Yes, up to 500th order
Voltage Range	1.5 V to 1000 V
Current Range	0.5 A to 50 A
Display	8.4-inch LCD
Interfaces	USB, Ethernet, GP-IB
Sampling Rate	2 MS/s
Dimensions	426 mm x 177 mm x 400 mm

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