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Hioki PW8001 Ld Instruction Manual
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Hioki PW8001 Ld Instruction Manual

Hioki PW8001 Ld Instruction Manual

Lq analyzer
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This instruction manual only covers the PW8001 Ld,Lq Analyzer.
Before using the PW8001, please be sure to read the PW8001 instruction manual.
For information on communication settings for the PW8001, please refer to the "9
Connecting to a PC" section of the PW8001 instruction manual.
While we have taken great care to ensure the accuracy of the information in this
instruction manual, if you find any unclear points or errors, please contact our call center
or your nearest sales office.
Aug.2024
PW8001
Instruction Manual
Analyzer
Edition 1

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Summary of Contents for Hioki PW8001 Ld

  • Page 1 PW8001 Analyzer Instruction Manual  This instruction manual only covers the PW8001 Ld,Lq Analyzer. Before using the PW8001, please be sure to read the PW8001 instruction manual.   For information on communication settings for the PW8001, please refer to the "9 Connecting to a PC"...

  • Page 2: Table Of Contents

    Contents 1 Introduction ............................ 2 1.1 Precautions regarding reproduction, copyright, and other considerations for use ....2 1.2 Required System Configuration ..................... 3 2 Installation / Uninstallation ......................4 2.1 Installation ..........................4 2.2 Uninstallation ......................... 4 3 How to Use ............................ 5 3.1 Overview of Functions ......................

  • Page 3: Introduction

    Hereinafter in this document, the power meter connected to this software may be referred to as the PW8001, power meter, or power Analyzer, and the "PW8001 Ld, Lq Analyzer" may be referred to as this software. Note The Ld, Lq measurement using this software cannot be performed on the PW8001 that is not equipped with the motor analysis option.

  • Page 4: Required System Configuration

    1.2 Required System Configuration To use the PW8001 Ld,Lq Analyzer, your computer must meet the following system requirements.

  • Page 5: Installation / Uninstallation

    Follow the OS app uninstallation method to perform the installation. For Windows 10: Right-click the [Start] icon. ① ② Select [Apps & features]. ③ Select [PW8001 Ld,Lq Analyzer] and click it to display the Uninstall button. ④ Click [Uninstall] and follow the installer instructions.

  • Page 6: How To Use

    3 How to Use 3.1 Overview of Functions This software performs the measurement of motor parameters using the following steps. Connecting to the PW8001 & Measurement Communication settings between the PW8001 Settings and the computer are configured. Settings are made for measuring motor parameters. Measurement of Induced Voltage Constant Perform phase zero adjustment and measurement of the induced voltage constant,...

  • Page 7: Connecting To The Measurement Line

    When measuring torque additionally, connect the torque signal output from the torque sensor to CH A. * The PW8001 Ld, Lq Analyzer does not use the A-phase and B-phase pulses from the pulse encoder, but instead uses the Z-phase pulse signal as a reference. Please note that this is different from the usual motor analysis connections.

  • Page 8: Connection Settings With The Pw8001

    3.4 Connection Settings with the PW8001 First, configure the communication settings between the PW8001 and the computer. ① Connect the PW8001 and the computer using a LAN cable. Enter the IP address of the PW8001 you want to connect to in the Address] field.

  • Page 9: Measurement Settings

    3.5 Measurement Settings Configure the settings for motor parameter measurement. ① In the [CH] column, select the channel on which to perform the measurement. If there is no unit mounted on the selected channel, it will be invalid. In the [Sensor Use] column, select the current sensor to be used for the three channels ②...

  • Page 10: Measurement Of Induced Voltage Constant & User Input

    3.6 Measurement of Induced Voltage Constant & User Input Select the Measurement] tab to perform phase zero adjustment and measurement of the induced voltage constant, as well as user input. In the Induced Voltage Constant Measurement Mode Measure the induced voltage phase angle and perform phase zero adjustment, as well as measure the induced voltage constant.
  • Page 11 In the Induced Voltage Constant User Input Mode If the induced voltage phase angle and induced voltage constant have already been measured, directly enter the values before performing the phase zero adjustment. ① Select User Defined in the [Mode] field. Enter the induced voltage phase angle in the [IV Phase(User Defined)]...

  • Page 12: Ld, Lq Measurement

    3.7 Ld, Lq Measurement Select the Ld, Lq Measurement tab to perform real-time display of motor measurement data, Ld-Id, Lq-Iq graph plotting, and CSV saving. Drive the motor using the inverter. Set the CSV save destination path, turn CSV saving ON/OFF, and select the measurement value averaging mode.

  • Page 13: Csv File For Saving Measurement Data

    Arbitrary Item Measurement In addition to Ld, Lq measurement, you can graph plot and save in CSV format the measurement values of up to six arbitrarily selected items. Select the data you want to plot on the graph in the [Item] column.

  • Page 14: Specifications (Detailed Processing)

    4 Specifications (Detailed Processing) 4.1 PW8001 Setting Items Wiring 3P3W3M Sync. Source, Harmonic Sync. Source, Motor Ext1 Sync. Source Motor Measurement Items Torque, Speed (Pulse) Simple Setting Mode (PWM) Frequency: Upper limit 1kHz, Lower limit 1Hz Integration Mode: RMS U/I Rectification Method: MEAN/RMS LPF: OFF Voltage/Current Range AUTO...

  • Page 15: Measurement Of Induced Voltage Constant

    4.2 Measurement of Induced Voltage Constant Obtain and display harmonic measurement data of the induced voltage phase angle at the Nth order, where N is the number of pole pairs set by the user. Divide the induced voltage phase angle at the time of pressing the Phase Zero Adjust button by the order N, transmit it to the PW8001 as the first-order induced voltage phase angle, and execute phase zero adjustment.

  • Page 16: Ld, Lq Measurement

    4.3 Ld, Lq Measurement Obtain measurement data from the PW8001, identify and display Ld and Lq. Measurement Data to be Acquired Harmonic measurement data: RMS value of the N (number of pole pairs) harmonic voltage (Urms), voltage phase angle (degU), current RMS value (Irms), and current phase angle (degI) at the Nth order (where N is the number of pole pairs).

  • Page 17: Csv File

    4.4 CSV File Saved Parameters Header Parameter Time Timestamp Voltage RMS degU Voltage phase angle Current RMS degI Current phase angle Frequency Active power Rotation speed Torque Motor power EFFI Motor efficiency Loss Motor loss -axis voltage -axis voltage axis current axis current -axis inductance -axis inductance...

  • Page 18: In Case Of Error

    5 In Case of Error If an error occurs, please restart the application, correct the cause of the error, and execute it again. Error Code:-1073807343 ・LAN Connection Not Possible Please check if the IP address is correct, if the LAN is properly connected, and if NI-VISA is installed.

  • Page 19: Appendix

    6 Appendix 6.1 Measurement of Phase Armature Resistance R The phase armature resistance R is the winding resistance value per stator phase. Measure the DC resistance between the two terminals of the stator of a star-connected motor and calculate the resistance value R per stator phase.