Hioki 9605-01 Instruction Manual
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Hioki 9605-01 Instruction Manual

Hioki 9605-01 Instruction Manual

Harmonic measurements unit
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INSTRUCTION MANUAL
9605-01
HARMONIC
MEASUREMENTS UNIT

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Summary of Contents for Hioki 9605-01

  • Page 1 INSTRUCTION MANUAL 9605-01 HARMONIC MEASUREMENTS UNIT...

  • Page 3: Table Of Contents

    Contents Introduction Safety Notes Chapter 1 Overview and Features 1.1 Product Overview 1.2 Features Chapter 2 Key Operations and the Screen Configuration 3 2.1 Key Operations 2.2 Screen Configuration Chapter 3 Setting the Basic Functions 3.1 Setting the Wiring Mode (1P2W to 3P4W) 3.2 Analysis Channel Selection 3.3 PLL Source Setting 3.4 Wiring Conversion Function...
  • Page 4 Chapter 6 Output to Floppy Disk/Printer 6.1 Selecting the Output Item to FDD/Printer 6.1.1 Output Setting in Harmonic Analysis Mode 6.2 Timer Control of Output 6.2.1 Harmonic Analysis 6.2.2 Relationship Between the Number of Output Items and Interval Time Chapter 7 External Control EXT.CLOCK TRIGGER.IN TRIGGER.OUT...

  • Page 5: Introduction

    9600/9601/9602 products installed in the same 3194 product. ･ The 9605-01 does not save analysis data if there is a power failure. All data values from before the power failure are treated as zero. ･ The D/A output is not possible for the analyzed data by the 9605-01.

  • Page 6: Safety Notes

    ──────────────────────────────────────────────────── Safety Notes This product is designed to conform to IEC 61010 Safety Standards, and has been thoroughly tested for safety prior to shipment. However, DANGER mishandling during use could result in injury or death, as well as damage to the product. Be certain that you understand the instructions and precautions in the manual before use.

  • Page 7: Chapter 1 Overview And Features

    ──────────────────────────────────────────────────── Chapter 1 Overview and Features 1.1 Product Overview Installing the 9605-01 in a 3194 HARMONIC MEASUREMENTS UNIT MOTOR/HARMONIC HiTESTER enables voltage, current, and power harmonic analysis to be carried out on the voltage and current waveforms captured by an input unit, for single phase to three-phase four-wire lines. It also provides list, a range of display options, including graph and vector displays.

  • Page 8: Features

    ──────────────────────────────────────────────────── 1.2 Features Installing the 9605-01 HARMONIC MEASUREMENTS UNIT in a 3194 MOTOR/HARMONIC HiTESTER adds the following functions to the basic functions of the 3194. (1) Support for range of power lines Harmonic analysis of voltage, current, and power can be carried out on lines from single phase to three-phase four-wire.

  • Page 9: Chapter 2 Key Operations And The Screen Configuration

    Output item selecting Vector display Harmonic waveform Waveform display selecting screen ･ In the Selection screen, the distortion (THD-R, THD-F) produced by 9605-01 NOTE analysis can be displayed, but not other data. ･ No waveform and graph colors change is possible. ────────────────────────────────────────────────────...
  • Page 10 ──────────────────────────────────────────────────── ──────────────────────────────────────────────────── 2.2 Screen Configuration...

  • Page 11: Chapter 3 Setting The Basic Functions

    ──────────────────────────────────────────────────── Chapter 3 Setting the Basic Functions This chapter describes the function settings when using the 9605-01. For other functions, refer to the Instruction Manual supplied with the 3194 product. The following settings have no effect on harmonic analysis. NOTE...

  • Page 12: Analysis Channel Selection

    ──────────────────────────────────────────────────── 3.2 Analysis Channel Selection You can select three input unit channels for harmonic analysis from the input units (maximum three channels) in the 3194. If the frequencies are the same, analysis on three single-phase channels is possible. 1. Press the key, then use the keys STATUS...

  • Page 13: Pll Source Setting

    ──────────────────────────────────────────────────── 3.3 PLL Source Setting A PLL source is required for analysis, and may be provided in one of the following three ways. (1) Input voltage or current serves as the source: Waveforms are sampled at a frequency synchronized with the measured voltage or current waveform to facilitate correct measurement.

  • Page 14: Wiring Conversion Function

    ──────────────────────────────────────────────────── 3.4 Wiring Conversion Function This function calculates equivalencies for 3V3A and 3P4W wiring (refer to Appendices 6 and 7). ・For 3V3A wiring, calculates Δ-Y conversion to 3φ4W equivalent wiring. ・For 3P4W wiring, calculates Y-Δ conversion to 3φ3W equivalent wiring. Press the key, then use the keys to...

  • Page 15: Setting The Coupling Mode

    ──────────────────────────────────────────────────── 3.5 Setting the Coupling Mode For the channel of which the analysis results are shown on the screen only, press the key then use the key to switch. SHIFT CURSOR It is also possible to change the setting in the STATUS/Units screen. Refer to Section 4.2, "Setting the Coupling Mode"...

  • Page 16: Zero Adjustment Operation

    ──────────────────────────────────────────────────── 3.6 Zero Adjustment Operation Zero adjustment must be carried out after warming up. 1. Press the key, then use the keys STATUS PAGE to move the cursor to " ," to display the HARM harmonic measurement setting screen. 2. Move the cursor to " "...

  • Page 17: Averaging Setting

    ," to display the HARM harmonic measurement setting screen. 2. Move the cursor to " " AVERAGE 3. Select the item (amplitude or phase angle) to be averaged. Data other that required on the 9605-01 is not affected. NOTE ──────────────────────────────────────────────────── 3.7 Averaging Setting...

  • Page 18: Measurement By External Trigger

    ･ This does not affect data on the 3194 product (other than the 9605-01). ･ The PLL should be locked.

  • Page 19: Sort Functions

    ──────────────────────────────────────────────────── 3.9 Sort Functions All analyzed degrees are sorted by size from the largest, up to the 50th harmonic order. The following sort methods are available: (1) Independ All measurements are sorted independently. However, the P of each channel is set to the degree of the P value.
  • Page 20 ──────────────────────────────────────────────────── (4) According to U1/I1, U2/I2, U3/I3 Measurements are sorted by the specified parameter, and other parameters are sorted for the respective degree. Unsorted Sorted The graph, list and vector displays are by harmonic order rather than by NOTE degree. Therefore, in the vector display case, multiple degrees can be displayed on the same screen.

  • Page 21: Chapter 4 Harmonic Measurement

    ──────────────────────────────────────────────────── Chapter 4 Harmonic Measurement This describes analysis using the 9605-01 HARMONIC MEASUREMENTS UNIT First refer to Chapter 3 "Preparations for Measurement" in the instruction manual of the 3194. Pay special attention to the precautions listed in this chapter. ────────────────────────────────────────────────────...

  • Page 22: Harmonic Measurement

    ･ Because of differences in measurement principle, frequency response, and NOTE accuracy, the values measured by the 9605-01 and 9600/9601/9602 products installed in the same 3194 product may not agree. Similarly, values may not agree with measurements made by other devices.
  • Page 23 ──────────────────────────────────────────────────── Term/meaning Found from waveform sampling at a sampling Effective voltage value, frequency determined from the frequency of the effective current value, active power fundamental. Includes harmonics above the analyzed number. Fourier coefficient of fundamental component Fundamental (component, level) Harmonic (component, level) Fourier coefficient second and subsequent harmonics Taking the fundamental component level as 100%, Harmonic content indicates the other harmonic components as...

  • Page 24: Harmonic Analysis Procedure

    ──────────────────────────────────────────────────── 4.2 Harmonic Analysis Procedure Check that the line to be measured is shut off, and check that the 3194 product is powered off and the power cord disconnected from the outlet. Connect the ground terminal to earth and connect the power cord to the 3P-outlet.

  • Page 25: Graph Display Of Harmonics

    ──────────────────────────────────────────────────── Graph Display of Harmonics A harmonic graph can display the amplitude, proportion, or phase of each of the voltage, current, and power as a graph. There are three formats. Format 1 One only of the analyzed voltage and current is displayed as a graph.
  • Page 26 ──────────────────────────────────────────────────── (1) Displaying procedure In harmonic mode, press the , to switch to the graph screen. "GRAPH" (2) Selecting the display format (two methods) Method 1 Press the key, then press the " SHIFT "GRAPH key to to cycle through the format. Method 2 Press the key.
  • Page 27 ──────────────────────────────────────────────────── Method 2 Press the key. "SELECT" Move the cursor to the display item box, and use the keys to make a "↑" "↓" selection. After specifying, press the key. "RETURN" (4) Selecting the display analysis information Select the information from the analysis from Amplitude, Proportion, and Phase.
  • Page 28 ──────────────────────────────────────────────────── (5) Selecting the vertical axis Select a linear (LINEAR) or logarithmic display (LOG) for the vertical axis. Press the key. "SELECT" Move the cursor to the LINEAR/LOG box, and use the keys to make a "↑" "↓" selection. After specifying, press the "RETURN"...

  • Page 29: List Display Of Harmonics

    ──────────────────────────────────────────────────── 4.4 List Display of Harmonics The harmonic list display shows the amplitude value, proportion, phase angle, and distortion for each harmonic of voltage, current, and power. There are two display formats: format 1 and format 2. Format 1 Format 2 Only the analysis data for the channel synchronized to the PLL source is valid.
  • Page 30 ──────────────────────────────────────────────────── (3) Specifying the item to display (two methods) Method 1 P1 screen U1 screen I1 screen Press the " " key to cycle through the LIST measurement items (voltage, current, and power). ΣP screen P3 screen Method 2 Press the "...
  • Page 31 ──────────────────────────────────────────────────── (5) Specifying the analysis information Specify information from the analysis to be displayed. Press the " key. "SELECT Move the cursor to the display item box, and use keys to make a selection. "↑" "↓" After specifying, press the key.

  • Page 32: Vector Display Of Harmonics

    ──────────────────────────────────────────────────── 4.5 Vector Display of Harmonics The harmonic vector display shows the voltage, current, and phase angle for each harmonic, making clear the phase relationship between voltage and current. The numeric values of the displayed harmonics also appear. For details on wiring mode and vector display, see Appendix. ･...
  • Page 33 ──────────────────────────────────────────────────── (1) Display procedure In harmonic mode, press the key, to switch to the Vector "VECTOR" display screen. Pressing the key cycles through U/I, U, and I. "VECTOR" (2) Selecting the display item (U/I, U, I) (two methods) Method 1 Press the "...

  • Page 34: Waveform Display

    ──────────────────────────────────────────────────── 4.6 Waveform Display The waveform display shows one cycle of the voltage and current waveforms being measured. There are five formats. Format 1 Shown the waveforms (voltage or current) for each system being measured together. Format 2 Shown the waveforms (voltage or current) for each system being measured together.
  • Page 35 ──────────────────────────────────────────────────── ZOOM Voltage and current waveforms can be zoomed. The zoom area can be panned by the left and right cursor keys, and the amount of magnification set by the up and down keys. Pressing key switches between U and I. 10 to 70 Hz X 16 max.
  • Page 36 ──────────────────────────────────────────────────── (1) Selecting the display format Move the cursor to harmonic mode, and press the , to "WAVEFORM" switch to the waveform display screen. Each time you press the the waveform display switches to the next format. (when "WAVEFORM" channels 1, 2, and 3 are selected). (2) Selecting the display format (Expanded, compressed, two-screen, zoom, or FFT)
  • Page 37 ──────────────────────────────────────────────────── Method 2 Press the key. "SELECT" Move the cursor to the display item box, and use " keys to make a "↑" "↓ selection. After specifying, press the " key. "RETURN (4) Vertical axis scaling setting: You can change the scaling ratio for the waveform vertical axis.

  • Page 38: Measurement Using An External Sync Signal

    ──────────────────────────────────────────────────── 4.7 Measurement using an External Sync Signal External signals can be synchronized with PLL for high frequency analysis of voltage, current, and electric power. Also, measurement of the phase amount change of voltage/current based on external signals is possible. 4.7.1 Theory of Operation If the pulse count is a multiple of the fundamental waveform frequency, calculation is based on the rising edge of the pulse nearest the rising edge...
  • Page 39 ──────────────────────────────────────────────────── ･ The input connector for external synchronization signals is not insulated NOTE from the main product of the 3194. ･ See the "EXT.CLOCK" item in Chapter 7, "External Control" for information on the pin assignment of the connector. ･ Use Ext (ch6) when there is a need to insulate external synchronization signals from the 3194 main product.

  • Page 40: Setting Procedure

    ──────────────────────────────────────────────────── 4.7.2 Setting Procedure The external synchronizing signal must be applied to the EXT CONTROL terminal before connecting input voltage and current for measurement. 1. Set the PLL source to the voltage measured with the STATUS screen, and measure the frequency of the voltage from the "Harmonic"...

  • Page 41: Chapter 5 Hold Function

    ──────────────────────────────────────────────────── Chapter 5 Hold Function Press the panel key to freeze the display of all items on the screen. In HOLD this case, by switching the screen selection, you can view harmonic data for the same time interval which was not displayed. Since internally the measurement continues, each time you press the HOLD key the values at that time are displayed.
  • Page 42 ──────────────────────────────────────────────────── ────────────────────────────────────────────────────...

  • Page 43: Chapter 6 Output To Floppy Disk/Printer

    This product can be used with internal thermal printer as option. The measured data and setting data can be easily printed out. ･ If output items other than the data measured by the 9605-01 input unit are NOTE also specified, they are output at the same time.

  • Page 44: Selecting The Output Item To Fdd/Printer

    ──────────────────────────────────────────────────── 6.1 Selecting the Output Item to FDD/Printer 6.1.1 Output Setting in Harmonic Analysis Mode 1. Press the key, to display the "HARM SELECT" screen for output item selection. 2. Move the cursor to key. "OUTPUT ORDER" 3. Select the , or "ALL"...

  • Page 45: Timer Control Of Output

    NOTE ･ Waveform data cannot be output to a printer or floppy disk. Specifications of the floppy disk data for the 9605-01(Harmonic Analysis) Harmonic data is output appended to the end of a line of ordinary measurement data. The output sequence is as shown in the table on the following page.
  • Page 46 ──────────────────────────────────────────────────── Headers Meaning Units HFREQ Fundamental frequency of PLL source Fundamental frequency Voltage (U1) rms value Amplitude value Voltage (U2) rms value Voltage (U3) rms value Current (I1) rms value Current (I2) rms value Current (I3) rms value Active power (P1) Active power (P2) Active power (P3) HP123...
  • Page 47 ──────────────────────────────────────────────────── Headers Meaning Units I1deg(n) The n-th harmonic current (I1) contents ° I2deg(n) The n-th harmonic current (I2) contents I3deg(n) The n-th harmonic current (I3) contents P1deg(n) The n-th harmonic power value (P1) contents ° P2deg(n) The n-th harmonic power value (P2) contents P3deg(n) The n-th harmonic power value (P3) contents P123deg(n)
  • Page 48 ──────────────────────────────────────────────────── ──────────────────────────────────────────────────── 6.2 Timer Control of Output...

  • Page 49: Chapter 7 External Control

    Doing so can damage the product or cause a serious accident. With a connection to the external output connector on the rear panel of the 3194 product, various external control functions are available. The following controls apply to the 9605-01. Pin number Terminal FDD/PRINTER.

  • Page 50: Trigger.in

    ──────────────────────────────────────────────────── TRIGGER.IN When an external control signal is input, a single measurement is made and displayed. This operation is repeated each time the control signal is input. This is controlled by triggering at the edge of the input waveform, or shorting between 48-pin and 47-pin.

  • Page 51: Gp-Ib/Rs-232C Interface

    This section lists the extra commands added for harmonic measurement. This section explains only commands added for the 9605-01. For details on operation of the GP-IB or RS-232C interface, first refer to Chapter 12, "GP-IB/RS-232C Interface" in the instruction manual of the 3194.

  • Page 52: Event Registers

    ──────────────────────────────────────────────────── Event Registers This section explains only event registers added for the 9605-01. For the event status registers ESR2, ESR21 to ESR26, refer to Section 12.3.13, "Event Registers" (7) and (8) in the instruction manual of the 3194. Event status register 0 (ESR0) This register is used principally to monitor start and stop processing events.

  • Page 53: Command Reference

    The 9605-01 is only capable of simultaneous analysis on three channels. Therefore, when channel are specified in a command, regardless of the channels on which the 9605-01 is operating, these are specified as channels 1, 2, and 3. For example, if channels 3, 4, and 5 of the 3194 product are used for analysis by the 9605-01, then the specifications to get measurement values are "HU1", "HTFI3", and so forth.

  • Page 54: Specific Commands For Harmonic Analysis Function

    ──────────────────────────────────────────────────── 8.3.2 Specific Commands for Harmonic Analysis Function :DATAout:ITEM:HARMonic:ALLClear Clears all output items for harmonic default. Clears all output items set by the Syntax Function :DATAout:ITEM:HARMonic:ALLClear ":DATAout:ITEM:HARMonic" command. Example ":DATAout:ITEM:HARMonic:ALLClear" :DATAout:ITEM:HARMonic:ORDer Sets the output item for the harmonic order. Sets the output item for the harmonic Syntax Function :DATAout:ITEM:HARMonic:ORDer...
  • Page 55 ──────────────────────────────────────────────────── :DATAout:ITEM:HARMonic:LIST Setting the output item for the harmonic list. Syntax Function Sets the output item for the harmonic :DATAout:ITEM:HARMonic:LIST list (level, percentage, phase angle) to <NR1>,...(up to 6 items) FDD or printer. <NR1>= 0 to 63 The item is set as shown below by setting bits, to specify a single Example ":DATAout:ITEM:HARMonic:LIST...
  • Page 56 ──────────────────────────────────────────────────── :DATAout:ITEM:HARMonic:NORMal Sets the output item for the harmonic measurement value. Syntax :DATAout:ITEM:HARMonic:NORMal <NR1>,..(up to 5 items) Sets the output item for the harmonic Function measurement value (rms value, active <NR1>= 0 to 63 power, and total harmonic distortion ratio) to FDD or printer. Example ":DATAout:ITEM:HARMonic:NORMal 9,1,9,9,0"...
  • Page 57 ──────────────────────────────────────────────────── :DATAout:ITEM:HARMonic:WAVE Sets the output item for the harmonic peak data. Syntax Function Sets the output item for the harmonic :DATAout:ITEM:HARMonic:WAVE waveform data to FDD or printer. <NR1>,..(up to 2 items) Sets the waveform data. <NR1> = 0 to 63 Note If the setting value is out of range, an Example...
  • Page 58 ──────────────────────────────────────────────────── :DISPlay:HARMonic:GRAPh? Queries the display item on the harmonic graph screen. Syntax Function Queries the display item on the :DISPlay:HARMonic:GRAPh? harmonic graph screen. Response ":DISPLAY:HARMONIC:GRAPH <1/2/3>" syntax Example Transmission ":DISPlay:HARMonic:GRAPh?" Response ":DISPLAY:HARMONIC:GRAPH 2" :DISPlay:HARMonic:LIST Sets the display item on the harmonic list screen. Sets the display item on the harmonic Syntax Function...
  • Page 59 ──────────────────────────────────────────────────── :DISPlay:HARMonic:WAVE Sets the display item on the harmonic waveform screen. Syntax Function Sets the display item on the harmonic <NR1> :DISPlay:HARMonic:WAVE waveform screen. <NR1> = 1, 2, 3, 4, 5 Note The number of graphs displayed may 1: 1 cycle waveform vary, depending on the number of input 2: 1 cycle waveform and peak value units and the wiring mode.
  • Page 60 ──────────────────────────────────────────────────── :HARMonic:CHANnel? Queries the harmonic analysis channel. Syntax Function Queries the current setting of the first :HARMonic:CHANnel? channel number for harmonic analysis. Response ":HARMonic:CHANNEL <1-5>" syntax Example Transmission ":HARMonic:CHANnel?" Response ":HARMONIC:CHANNEL 4" Harmonic analysis for channel 4, 5, and 6 is carried out. :HARMonic:DELTa Selects On/Off of wiring conversion.
  • Page 61 ──────────────────────────────────────────────────── :HARMonic:DIVider? Queries the external sync signal frequency dividing ratio. Syntax Function Obtains the frequency dividing ratio of :HARMonic:DIVider? the external sync signal. Response :HARMONIC:DIVIDER <1-255> syntax Example Transmission ":HARMonic:DIVider?" Response ":HARMONIC:DIVIDER 10" :HARMonic:LPF Averaging setting According to the harmonic waveform Syntax Function :HARMonic:LPF...
  • Page 62 ──────────────────────────────────────────────────── :HARMonic:PLL Sets the PLL source of the harmonic analysis. Syntax Function Selects the PLL source of the harmonic <character> :HARMonic:PLL analysis. This selects the PLL source for <character> = HU1, HU2, HU3, HI1, harmonic analysis. Analysis is based on HI2, HI3, CLK, EXT6, EXTC the PLL source selected by this EXT: external clock (see Section 3.3)
  • Page 63 ──────────────────────────────────────────────────── :HARMonic:SORT Selects the sort basis for harmonic analysis. Syntax Function Select the basis for sorting harmonic <OFF,ALL,U,I, :HARMonic:SORT wave analysis results. HU1,HI1,HU2,HI2,HU3,HI3> Example ":HARMonic:SORT HU1" HU1 data is sorted and other parameters are output for the respective degree. :HARMonic:SORT? Query the sorting basis for harmonic analysis.
  • Page 64 ──────────────────────────────────────────────────── :MEASure:HARMonic? Queries the harmonic analysis data. Syntax Function ① Default mode Default mode: If no parameters are specified in the :MEASure:HARMonic? data section, then this mode is used. Data specification mode: Default item data specified by the ":MEASure:ITEM:HARMonic" :MEASure:HARMonic? command is created.
  • Page 65 ──────────────────────────────────────────────────── :MEASure:HARMonic:SORT? Queries the harmonic during sorting. Syntax Function Queries the harmonicdata. :MEASure:HARMonic:SORT? Creates data in the default order Response specified by Headers: ON syntax "MEASure:ITEM:HARMonic:SORT" <header1> <data1 degree>;<data1>; and "MEASure:ITEM:HARMonic:LIST" <header2> <data2 degree>;<data2>; ; commands. Headers: OFF <NR3>;<NR3>;<NR3>,... Note ･...
  • Page 66 ──────────────────────────────────────────────────── :MEASure:ITEM:HARMonic:ALLClear Clears all harmonic default output item. Syntax Function Clears all output items set by the :MEASure:ITEM:HARMonic:ALLClear ":MEASure:ITEM" command. Example ":MEASure:ITEM:HARMonic:ALLClear" :MEASure:ITEM:HARMonic:ORDer Sets the output order of the harmonic data. Sets the default items (harmonic output Syntax Function :MEASure:ITEM:HARMonic:ORDer order for the level, percentage, and <NR1>,<NR1>,<ODD/EVEN/ALL>...
  • Page 67 ──────────────────────────────────────────────────── :MEASure:ITEM:HARMonic:LIST Sets the output item for the harmonic list. Syntax Function Sets the default items (harmonic list for :MEASure:ITEM:HARMonic:LIST the level, percentage, and phase angle) <NR1>,..(up to 6 items) to be transferred in the response <NR1> = 0 to 63 message to the ":MEASure:HARMonic?"...
  • Page 68 ──────────────────────────────────────────────────── :MEASure:ITEM:HARMonic:NORMal Sets the output item for the harmonic measurement value. Syntax Function Sets the default items (rms value, active :MEASure:ITEM:HARMonic:NORMal power, total harmonic distortion ratio) to <NR1>,..(up to 5 items) be transferred in the response message <NR1> = 0 to 63 to the ":MEASure:HARMonic?"...
  • Page 69 ──────────────────────────────────────────────────── :MEASure:ITEM:HARMonic:SORT Specifies the (highest) harmonic order of analysis during sorting. Syntax Function Specifies the highest harmonic order for :MEASure:ITEM:HARMonic:SORT returning data in response to <NR1> "MEASure:HARMonic:SORT?". Items <NR1> = 0 to 50 to be output are according to "MEASure:HARMonic:LIST?". Example ":MEASure:ITEM:HARMonic:SORT 5"...
  • Page 70 63>,<0-63>" syntax Example Transmission ":MEASure:ITEM:HARMonic:WAVE?" Response ":MEASURE:ITEM:HARMONIC:WAVE 1,1" :ZEROadjust:HARMonic Carries out the zero adjustment of the 9605-01. Syntax Function This carries out zero adjustment of the :ZEROadjust:HARMonic analog section of the 9605-01. If there is no specification, zero Example ":ZEROadjust:HARMonic"...

  • Page 71: Specific Commands Reference

    ──────────────────────────────────────────────────── 8.4 Specific Commands Reference Specific commands reference for harmonic analysis Command Data format Explanation :DATAout:ITEM:HARMonic:ALLClear Clears all default output item. :DATAout:ITEM:HARMonic:ORDer NR1 numerical data (2)/ Sets the harmonic output order. Character data (1) Queries the harmonic output order. :DATAout:ITEM:HARMonic:ORDer? Sets the output item for the harmonic list.
  • Page 72 ──────────────────────────────────────────────────── Command Data format Explanation Phase angle zero adjust of external sync :HARMonic:PHASezero signal :HARMonic:PLL Character data (1) Sets the harmonic analysis PLL source. :HARMonic:PLL? Queries the harmonic analysis PLL source. :HARMonic:RTC NR1 numerical data (1) Sets the harmonic RTC counter. :HARMonic:RTC? Queries the setting of the harmonic RTC counter.

  • Page 73: Valid Commands For Each Status

    ──────────────────────────────────────────────────── 8.5 Valid Commands for Each Status Harmonic analysis Reset Start Stop Integration condition HOLD PEAK HOLD PEAK HOLD PEAK Command :DATAout:ITEM:HARMonic:ALLClear ● － － － － － － － － :DATAout:ITEM:HARMonic:ORDer ● － － － － － － － －...
  • Page 74 ──────────────────────────────────────────────────── Reset Start Stop Integration condition HOLD PEAK HOLD PEAK HOLD PEAK Command ● － － － － － － － － :MEASure:ITEM:HARMonic:ALLClear :MEASure:ITEM:HARMonic:ORDer ● － － － － － － － － :MEASure:ITEM:HARMonic:ORDer? ● ● ● ● ● ● ●...

  • Page 75: Specific Command Tree

    ──────────────────────────────────────────────────── 8.6 Specific Command Tree Harmonic analysis :DATAout:ITEM:HARMonic :ALLClear :ORDer :ORDer? :LIST :LIST? :NORMal :NORMal? :WAVE :WAVE? :DISPlay:HARMonic :GRAPh :GRAPh? :LIST :LIST? :VECTor :WAVE :WAVE? :DISPlay? :HARMonic :CHANnel :CHANnel? :DELTa :DELTa? :DIVider :DIVider? :LPF :LPF? :PHASezero :PLL :PLL? :RTC :RTC? ;SORT :SORT? :TRIGger...
  • Page 76 ──────────────────────────────────────────────────── :MEASure :HARMonic? :HARMonic:SORT? :ITEM:HARMonic :ALLClear :ORDer :ORDer? :LIST :LIST? :NORMal :NORMal? :SORT :SORT? :WAVE :ZEROAdjust:HARMonic :WAVE? ──────────────────────────────────────────────────── 8.6 Specific Command Tree...

  • Page 77: The Output Item Bits

    ──────────────────────────────────────────────────── 8.7 The Output Item Bits (1) Harmonic analysis The data specified by :MEAS:ITEM:HARMonic is output in the following order. Item :NORMAL bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 RMS value data1 Active data2 HPSUM...
  • Page 78 ──────────────────────────────────────────────────── ──────────────────────────────────────────────────── 8.7 The Output Item Bits...

  • Page 79: Chapter 9 Specifications

    ──────────────────────────────────────────────────── Chapter 9 Specifications (1) General Specifications Application Fitted in a 3194 product (factory-fitted option) Single-phase,two-wire (1P2W)/ Single-phase,three-wire (1P3W)/ Three- Measurement lines phase,three-wire (3V3A, 3P3W)/ Three-phase,four-wire (3P4W) Number of channels Maximum of 3 channels selectable from channels 1 to 6, depending on 3194 product wiring mode Using channels ①...
  • Page 80 ──────────────────────────────────────────────────── Sampling rate Basic Sampling Window Analysis harmonic Waveform frequency (Hz) rate (Hz) width order display PLL- 10 to 17.5 f X 8192 1 cycle 3000 th 1 cycle synchronized (10 kHz or less) range 17.5 to 35 f X 8192 1 cycle 3000 th (10 kHz or less)
  • Page 81 ──────────────────────────────────────────────────── (2) Measurement items Basic items: Voltage rms value, current rms value, active power value, frequency, ±Upeak, ±Ipeak Harmonic measurement items Measurement items Voltage Current Active power Harmonic level Harmonic voltage Harmonic current Harmonic power Harmonic voltage Harmonic current Harmonic power Harmonic percentage percentage percentage...
  • Page 82 ──────────────────────────────────────────────────── (4) Analysis accuracy (23℃±5℃, 80%RHmax.warming-up 1 hour or more) Amplitude accuracy Phase Frequency (Voltage/current/active power) difference Basic 10～35 Hz ± 1 deg ±0.5%rdg.±0.05%f.s. wave Harmonic 10～100 Hz ±0.5%rdg.±0.05%f.s. ± 1 deg wave 100 Hz～1 kHz ± 2 deg ±1.0%rdg.±0.1%f.s. 1～5 kHz ±...
  • Page 83 ──────────────────────────────────────────────────── (5) Basic Calculation Formulas Item Mode 1P2W 1P3W 3P3W 3Ｖ3A 3P4W Voltage rms value (i+1) (i+1) (i+1) (i+1) (i+1) Σ{U (i+2) (i+2) (i+2) (i)s Current rms value Ｉ Ｉ Ｉ Ｉ Ｉ Ｉ Ｉ Ｉ (i+1) (i+1) (i+1) Ｉ Ｉ...
  • Page 84 ──────────────────────────────────────────────────── (6) Harmonic Basic Calculation Formulas Process Total value up to The kth-order harmonic Items Kth-order harmonic Voltage U [Ｖrms] Σ( Voltage phase angle 。 θU [ θ ── ── Current Ｉ Ｉ Ｉ [Arms] Σ( Current phase angle 。 θＩ...
  • Page 85 ──────────────────────────────────────────────────── When the harmonic voltage I mag Ⅰ Ⅱ ｡ +180 ｡ Ⅰ: +180 Ⅱ, Ⅲ: ｡ ｡ Real ｡ Ⅳ: -180 ｡ ki=0, kr<0: φVk ｡ ki=0, kr>0: ｡ +180 ki<0, kr=0: ｡ ki=0, kr=0: ｡ Ⅳ Ⅲ Phase reference Figure 1 90°...
  • Page 86 ──────────────────────────────────────────────────── (7) Harmonic calculations for each wiring mode Mode １Ｐ２W １P３W ３P３W ３V３A ３P４W Item Harmonic voltage (i)k (i)k (i)k (i)k (i)k (i+1)k (i+1)k (i+1)k (i+1)k (i+1)k (i+2)k (i+2)k (i+2)k Ｉ Ｉ Ｉ Ｉ Ｉ Harmonic current (i)k (i)k (i)k (i)k (i)k Ｉ...

  • Page 87: Appendix

    APPENDIX 1 ──────────────────────────────────────────────────── Appendix 1P2W wiring SOURCE LOAD ① ① When the U1 is selected as the PLL source When the load is purely resistive, the phase difference between voltage and current is 0. ② When the load is capacitive The current has lagging phase, and when the load is inductive, the current has leading phase.
  • Page 88 APPENDIX 2 ──────────────────────────────────────────────────── 1P3W wiring SOURCE LOAD ① ① When the U1 is selected as the PLL source U2 is reverse phased 180°from U1. ② When the load is purely resistive The phase difference between U1 and I1 and U2 and I2 is 0, as shown above.
  • Page 89 APPENDIX 3 ──────────────────────────────────────────────────── 3P3W wiring SOURCE LOAD ① ① When the U1 is selected as the PLL source Voltage is measured between lines and current is measured with phase, so U2 is phased 60°from U1. When the load is purely resistive, I1 lags U1 by 30°, and I2 leads U2 by 30°.
  • Page 90 APPENDIX 4 ──────────────────────────────────────────────────── 3V3A wiring SOURCE LOAD ① ① When the U1 is selected as the PLL source Based on 3P3W wiring, the three channels of voltage and current are summed. The figures above show the state when the load is purely resistive. ②...
  • Page 91 APPENDIX 5 ──────────────────────────────────────────────────── 3P4W wiring SOURCE LOAD ① ① When the U1 is selected as the PLL source To measure voltage and current phase, the phase of the voltage of each channel is shifted 120°. When the load is purely resistive, as shown above, the phase difference of the voltage and current of each channel is 0.
  • Page 92 Δ-Y Since N is a virtual neutral point, phase voltages may differ from actual ･ NOTE values. Following conversion, the three power meter method is applied. ･ Following conversion, the 9605-01 vector screen changes as follows. (Load: ･ resistance) ────────────────────────────────────────────────────...
  • Page 93 ("s" refers to sampling value). u1s = (U1s-U2s), u2s = (U3s-U1s) , u3s = (U3s-U2s) Y-Δ Y-Δ Following conversion, the two power meter method is applied. ･ NOTE Following conversion, the 9605-01 vector screen changes as follows. (Load: ･ resistance) ────────────────────────────────────────────────────...
  • Page 94 APPENDIX 8 ──────────────────────────────────────────────────── Example of Motor-Induced Voltage Measurement Run the motor by operating the load (motor), without supplying voltage from the inverter to the motor, and measure the induced voltage generated at the motor terminal. ■ Connection 1. Connect voltage and current lines as shown below, in the same way as when the motor is operated using an inverter.
  • Page 95 APPENDIX 9 ──────────────────────────────────────────────────── The 3194 can be used for the following measurement when a rotation-sensor signal (e.g., magnetic-pole position signal) is input. (1) Zero-correction of phase difference The 3194 is capable of zero-correction of the phase difference (electrical angle) between the rotation-sensor signal and the induced voltage fundamental wave.
  • Page 96 APPENDIX 10 ──────────────────────────────────────────────────── Example of Motor Electrical-Angle Measurement (1) When a motor is actually run by an inverter, changes in the control of the inverter and the motor can be determined easily, without significant change in the wiring for the induced-voltage measurement. If zero-correction is performed on the phase difference between the rotation- sensor signal and the induced voltage during the motor induced-voltage measurement, the relationship between the fundamental wave phases...
  • Page 97 APPENDIX 11 ──────────────────────────────────────────────────── Example of Motor Electrical-Angle Measurement (2) If the rotation-synchronizing signal is not a rectangular wave, use the alternative method. ■ Procedure (requiring a 2-channel input unit) 1. Input the rotation-synchronizing signal to channel 1. The rotation- synchronizing signal is a TTL-level signal. 2.
  • Page 98 APPENDIX 12 ──────────────────────────────────────────────────── With this method, the rotation-synchronizing signal also undergoes FFT analysis. In addition, using the fundamental wave as a reference, the absolute phase of the signal of the line to be analyzed is measured. If the duty ratio of the rotation-synchronizing signal is 50%, when the zero-crossing of the rotation-synchronizing signal coincides with the zero-crossing of the line to be analyzed, the phase difference will be 0 deg.
  • Page 99 All reasonable care has been taken in the production of this manual, but if you find any points which are unclear or in error, please contact your supplier or the International Sales and Marketing Department at HIOKI headquarters. In the interests of product development, the contents of this manual are subject to revision without prior notice.
  • Page 100 HEAD OFFICE 81 Koizumi, Ueda, Nagano 386-1192, Japan TEL +81-268-28-0562 / FAX +81-268-28-0568 E-mail: os-com@hioki.co.jp / URL http://www.hioki.co.jp/ HIOKI USA CORPORATION 6 Corporate Drive, Cranbury, NJ 08512, USA TEL +1-609-409-9109 / FAX +1-609-409-9108 9605B981-01 05-02H Printed on recycled paper...

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