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Kyoritsu Electrical Instruments Works, Ltd. KEW6315 Quick Manual

Power quality analyzer
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Quick Manual
KEW6315
POWER QUALITY ANALYZER
KYORITSU ELECTRICAL
INSTRUMENTS WORKS, LTD.

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Summary of Contents for Kyoritsu Electrical Instruments Works, Ltd. KEW6315

  • Page 1 Quick Manual KEW6315 POWER QUALITY ANALYZER KYORITSU ELECTRICAL INSTRUMENTS WORKS, LTD.

  • Page 2: Table Of Contents

    Preface KEW6315 Preface KEW6315 ● Preface This Quick manual is a simplified version of the full instruction manual which can be found in the supplied CD-ROM. This manual is intended only as a handy reference guide and should only be used after having read the full instruction manual which contains full details on each function of this instrument and the items contained in the package.
  • Page 3 Voltage and current can be displayed by waveform or vector. Saving data KEW6315 is endowed with a logging function with the preset recording interval. Data can be saved by manual operation or by specifying date & time. Screen data can be saved by using the Print Screen function.
  • Page 4 See “5. Inst/ Integration/ Demand” for further details. Vector and Wiring check Vectors of voltage and current per CH are displayed on a graph. KEW6315 will perform wiring check. See “6. Vector” for further details. − 3 −...
  • Page 5 Power Quality (QUALITY) event Display voltage swell, dip, int, transient, inrush current Setting (SET UP) and flicker. Make settings for KEW6315 and measurements. See “10. Setting” for further details. See “9. Power Quality” for further details. − 4 − KEW6315...

  • Page 6: Start/ Stop Recording

    Start/ stop recording KEW6315 Start/ stop recording KEW6315 Steps for measurement Can start recordings with simple steps by selecting “Quick start guide”. Ensure your safety and do the appropriate preparations before starting measurements. Select the Select the Confirm the Check the test...
  • Page 7 KEW6315 Start/ stop recording KEW6315 Start/ stop recording Start Select the Select the Check the rec. interval rec. method selected method recording (6) Select a recording interval. * Selecting a short interval gets the file size large. In this case, a long period recording cannot be performed.
  • Page 8 Wiring system KEW6315 Wiring system KEW6315 (2) Wiring system Any of the followings can be selected. Load Load 1P2W×1 1P3W×1 1P2W 1P3W Load 1P2W×2 1P2W 1P3W×2 Load Load 1P2W×3 1P2W 1P3W Load 1P2W×4 1P2W L1(R) L1(R) L1(R) L1(R) Load Load...
  • Page 9 KEW6315 Environment check KEW6315 Environment check (4)/ (5) Test Environment Check Test environment check Select “ Start test ”and press the “ENTER” button to start the test. The test result will be Wiring check displayed on the screen. Test results of each item will be displayed.
  • Page 10 Wiring check KEW6315 Wiring check KEW6315 NG judgment Wiring check Close the result display. Then, the blinking vectors and the values of NG items will be displayed. If all the results are OK, the ideal vector diagram will be displayed at the lower left corner.
  • Page 11 KEW6315 Self-diagnosis KEW6315 Self-diagnosis Self-diagnosis If “NG” judgment is given frequently, there might be something wrong with the instrument. Stop using the instrument and refer to “Troubleshooting” in the instruction manual. Sensor detection If the detection result is NG, each sensor type will be displayed in red.
  • Page 12 KEW6315 performs recording during the selected time period at the preset intervals, and repeats recording processes during the preset time span. Example: When the time period is specified as above, the recording period is as follows. KEW6315 does not record data between 18:00 and 8:00.
  • Page 13 KEW6315 Operating procedure KEW6315 Operating procedure Switching of displayed parameters Basically, the Cursor is used for selecting an item, the ENTER is for confirming the selection, and the is for canceling the alternation. Taking the procedures in “Quick Start Guide” as an example, Key operations are explained as follows.

  • Page 14: Instrument Layout

    Instrument layout KEW6315 各部の名称 Instrument layout KEW6315 Front View PRINT SCREEN Function Save the displayed screen as BMP file. Execute the displayed function. DATA HOLD Key/ KEY LOCK Hold the readings on the display. * Measurement continues while the readings are being held on the display.
  • Page 15 KEW6315 Connector KEW6315 Connector Connector AC voltage Input Terminal (VN, V1, V2, V3) Current Input Terminal (A1, A2, A3, A4) Terminal Cover Power Connector Side face Battery case USB port SD Card Slot Analog Input/ Digital Output Terminal Battery Cover −...
  • Page 16 Symbols on the LCD KEW6315 Icons on the LCD Icon Status KEW6315 is operating with battery. This icon varies in 4 steps according to the battery power condition. KEW6315 is operating with AC power. Holding the display update. Keys are locked.
  • Page 17 KEW6315 Symbols on the LCD KEW6315 Symbols on the LCD Symbols on the LCD Symbols displayed on the LCD Phase voltage Line voltage Current Active consumption Reactive lagging Apparent power power power regenerating leading lagging Power Frequency factor leading Analog input...

  • Page 18: Getting Started

    KEW6315 Power supply KEW6315 operates with either an AC power supply or batteries. Capable of performing measurements in the event of AC power interruption, power to the instrument is automatically restored by the batteries installed in the instrument. AA size alkaline battery (LR6) and AA size rechargeable battery (Ni-MH) can be both used.
  • Page 19 KEW6315 Cord connection KEW6315 Cord connection Cord Connection Voltage test leads Match the arrow marks. Power cord Clamp sensor Rated supply voltage : 100 - 240VAC(±10%) Rated supply frequency : 45 - 65Hz Max power consumption : 20VAmax Start-up Screen Model name and software version will be displayed upon powering on the instrument.

  • Page 20: Inst Value : W

    Instantaneous value: W KEW6315 瞬時値／積算値／デマンド Instantaneous value: W KEW6315 Switching screens Press the button to toggle the screens. W (Inst value) Wh (Integration value) Demand 瞬時値「W」 “ ” “ ” “ ” Switching the items to be displayed Use the right and left...
  • Page 21 KEW6315 Instantaneous value: W KEW6315 Instantaneous value: W Customize Select and change the items to be displayed. Trend Changes of measured values are displayed on a graph. Zoom Zoom and display the selected items. 4-split 8-split − 20 − KEW6315...

  • Page 22: Integration Value: Wh/ Demand

    Integration value: Wh KEW6315 積算値「Wｈ」 Integration value: Wh KEW6315 “ ” “ ” “ ” Switching the measurement items Select the proper system with the right and left Cursor Keys and the CH with the up and down Cursor Keys.
  • Page 23 KEW6315 Demand KEW6315 Demand Parameters displayed when selecting “Meas.” on the right row. Time left Count down the time set by: [SETUP] → [Measurement] → [Demand] → [Measurement]. DEM Target Set the value by: [SETUP]→ [Measurement] →[Demand]→[Target]. DEM Guess Estimate and display the demand value that would be when this demand interval ends.
  • Page 24 Demand KEW6315 Demand KEW6315 Parameters displayed when selecting “ ” on the right (Change in specific period) row. Time left Count down the time set by: [SETUP] → [Measurement] → [Demand] → [Measurement]. DEM P Load factor: percentage of the present value against the target value.
  • Page 25 KEW6315 Demand KEW6315 Demand Parameters displayed when selecting “ ” on the right row. (Demand change) Measured demand with recorded date Demand value is displayed with recorded date & time info where the cursor is located. Bar graph White bar: Percentage of hidden pages...

  • Page 26: Vector

    Vector KEW6315 ベクトル Vector KEW6315 Switching screens Wiring check Checked results will be displayed. Wiring diagram Diagram of the selected wiring is displayed. : toggle the line lengths of voltage vector. * time(s) : toggle the line lengths of current vector.

  • Page 27: Waveform

    KEW6315 Waveform 波形 KEW6315 Waveform Switching displayed items Select the items with up and down Cursor Keys and check for the waveforms. Measured values per CH : toggle the magnifications of voltage waveform (vertical). * time(s) : toggle the magnifications of current waveform (vertical).

  • Page 28: Harmonics Analysis

    Harmonic analysis KEW6315 高調波解析 Harmonic analysis KEW6315 Switching displayed items Graph Use the up and down Cursor Keys to toggle the CHs for checking each harmonic. Measured values per CH List Use the up and down Cursor Keys to scroll the displayed degree of harmonics.
  • Page 29 KEW6315 Harmonic analysis KEW6315 Harmonic analysis Voltage, Linear, Overall display Current Power Zoom List, Rate of content Logarithm RMS value Phase angle Current Power − 28 − KEW6315 KEW6315 - 28 -...
  • Page 30 Harmonic analysis KEW6315 Harmonic analysis KEW6315 Parameters displayed on graph Overall display Rate of content Harmonic content against the 1st basic wave. When selecting “Logarithm”, 10% will be the max percentage of the vertical axis, and the higher content rates will not be displayed.

  • Page 31: Power Quality

    KEW6315 Power quality 電源品質 KEW6315 Power quality Switching displayed items Flicker Event イベント Switching measurement items Use the up and down Cursor Keys and toggle the occurred events to be displayed on the screen. Displayed events are toggled in the following sequence.
  • Page 32 Swell/ Dip/ Int/ Inrush current KEW6315 Swell/ Dip/ Int/ Inrush current KEW6315 Measurement method Swell/ Dip/ Int/ Inrush current Each event will be detected with the r.m.s. values in one gapless waveform and with a half-wave over- lapping. The beginning of the waveform where the first event is detected is regarded as the start of the event.
  • Page 33 Duration Saved data When an event occurs and is detected, KEW6315 records the type of the event, start/ end time and the values. The following data will also be recorded. The event waveform is recorded for 200ms during the 1 sec of the data refresh period.

  • Page 34: Flicker

    フリッカ Flicker KEW6315 Flicker KEW6315 Switching displayed items Use the up and down Cursor Keys and toggle the items Parameters displayed when selecting “ ” on the right row. Pst Calc... Time length required for Pst calculation. Average voltage Pst（1min）...
  • Page 35 KEW6315 Flicker KEW6315 Flicker Parameters displayed when selecting “ Pst(1min) ” on the right row. Pst Calc... Time length required for Pst calculation. Pst(1min) Latest measured value. Max. Max values detected through the start to the end of measurement, and will be refreshed every time when the max value is exceeded.

  • Page 36: Setting

    Measurement Recording Basic Saved data Others (Demand) (REC item) (Wiring) (REC data) (Environment) (Harmonics) (REC method) (Voltage) (KEW6315 setting) (KEW6315 setting) (Power quality) (Manual/ (Current) Constant rec./ Time period rec.) (Flicker) (External input DC) (Capacitance (Frequency) Calc.) − 35 −...
  • Page 37 KEW6315 Setting （SETUP） − 36 − KEW6315...
  • Page 38 Hour: Minute (hh:mm)- Hour: Minute (hh:mm) * Default values are highlighted in gray. Save setting Setting item Details of setting Delete data. REC data Transfer data. Format Save setting. KEW6315 setting Read settings. − 37 − - 37 - KEW6315 KEW6315...

  • Page 39: Sd Card/ Saved Data

    KEW6315 Saved data KEW6315 Saved data Other settings Setting item Details of setting Language* Japanese/ English Date format* YYYY/MM/DD / MM/DD/YYYY / DD/MM/YYYY Environment white/ yellow/ orange/ red/ gray/ blue/ green CH color* The selected colro for VN is refected on the wiring diagram only.
  • Page 40 Dest. code File No. Extension SD:SD card (000-999) (BMP file) ME:Internal memory * Dest. = Destination KEW6315 Setting: Press the key and move to “Saved data” tab, and then select “Save Settings”. File name: SUP 0000 .PRE Dest. code File No.
  • Page 41 KEW6315 Saved items KEW6315 Saved items Saved items The following data measured on each CH will be saved according to the selected recording method. Saved items are depending on the selected recording method and wiring system. Meas./ Rec. setting REC file...
  • Page 42 Data transfer KEW6315 Data transfer KEW6315 Data transfer 1. SD card and USB Data in the SD card or the internal memory can be transferred to PC using USB connection or SD card slot/ reader. Method of transfer △ Card reader...
  • Page 43 KEW6315 KEW6315 MEMO − 42 − KEW6315 KEW6315 - 42 -...
  • Page 44 DISTRIBUTOR Kyoritsu reserves the rights to change specifications or designs described in this manual without notice and without obligations. 03-18 92-2160A...

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