PCE Instruments PCE-GPA 62 User Manual
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PCE Instruments PCE-GPA 62 User Manual

Graphic ac power quality analyzer
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Graphic AC Power Quality Analyzer
PCE-GPA 62
Users Manual
PCE Group

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Summary of Contents for PCE Instruments PCE-GPA 62

  • Page 1 Graphic AC Power Quality Analyzer PCE-GPA 62 Users Manual PCE Group...
  • Page 2 SYMBOLS showed on the clamp meter or in this manual: Caution, risk of danger. Refer to accompanying documents Caution, risk of electric shock. Double Insulation Application around and removal from HAZARDOUS LIVE conductors is permitted. Earth (ground) AC (Alternating Current) DC (Direct Current) Both direct and alternating current Conforms to relevant European Union directives.
  • Page 3 EN 61010-2-032 CAT III 600V Pollution Degree 2 Overvoltage Category I (CAT I): Equipment for connection to circuits in which measures are taken to limit the transient overvoltages to an appropriate low level. Overvoltage Category II (CAT II): Energy-consuming equipment to be supplied from the fixed installation.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS I. FEATURES ........................ 1 II. PANEL DESCRIPTION.................... 2 III. OPERATING INSTRUCTIONS ................4 III.1 Setup........................4 III.2 Measurement of RMS value, THD-F and Harmonics of ACV ....... 13 III.3 Measurement of RMS value, THD-F and Harmonics of ACA ....... 16 III.4 Waveforms of ACV and ACA with Phase Angle (φ)........
  • Page 5 VI. DATALOGGING OF VOLTAGE AND CURRENT WAVEFORMS....36 VI.1 Datalogging of both Voltage and Current Waveforms ....... 36 VI.2 Datalogging of Voltage Waveform .............. 37 VI.3 Datalogging of Current Waveform .............. 38 VII. DATALOGGING OF TRANSIENT DETECTION ..........39 VIII. DATALOGGING OF AC POWER ..............44 VIII.1 Scheduled Datalogging................

  • Page 6: Features

    I. FEATURES a. Power Quality Analysis for Single and Balanced Three Phase System. b. Harmonic Analysis of Voltage and Current (1 to 50 order). c. True RMS measurement of V with 0.5% of reading basic accuracy. d. True RMS measurement of A with 1% of reading basic accuracy e.

  • Page 7: Panel Description

    II. PANEL DESCRIPTION 600V V L1 1. Jaw Assembly 2. Trigger Press the trigger to open the jaw assembly. 3. HOLD/CANCEL/BACK LIGHT Press this button to HOLD the display in LCD, or turn the backlight on or off. It is also used to delete harmonics in the harmonics configuration 4.
  • Page 8 6. + ► Button . Increment value by 1 . Move the reference axis up . Move the line cursor right to previous harmonics . Page up to next transient events 7. REC Press this button to start Datalogging. Press again to stop. Holding the button and turning the power on will clear the data memory.

  • Page 9: Operating Instructions

    III. OPERATING INSTRUCTIONS III.1 Setup Move the rotary switch to the SETUP position. Users should setup the parameters of the meter before use.
  • Page 10 CURRENT TIME: There is a calendar clock inside the meter. Users should setup the correct time. HOUR MINUTE SAMPLE: Setup the sampling interval in seconds for Datalogging. START TIME: schedule when to start datalogging...
  • Page 11 HOUR MINUTE STOP TIME: schedule when to stop datalogging HOUR...
  • Page 12 MINUTE VT: set the ratio of voltage transformer, normally 1. V (reading) = Voltage * VT MD: set the time interval form maximum demand in minutes (1 to 60 minutes), normally 15.
  • Page 13 HZ: set the operating frequency to 50Hz, 60Hz, or Auto. AUTO POWER OFF: enable (1) or disable (0) auto-power-off function. TRANSIENT REFERENCE: set the nominal voltage and threshold (%) for transient capture. NOMINAL VOLTAGE...
  • Page 14 TOLERANCE...
  • Page 15 HARMONICS CONFIGURATION: select the harmonics to be logged. NOTE: The unit will adjust the sampling time according to the amount of harmonics to be logged...
  • Page 16 WAVEFORM CONFIGURATION: set the points to be logged for each cycle of the waveform. There are four options, 32, 64, 128, and 256. NOTE: The unit will adjust the sampling time according to the processing time required to log waveform. DATE: set the date of the internal calendar clock.
  • Page 17 MONTH...

  • Page 18: Iii.2 Measurement Of Rms Value, Thd-F And Harmonics Of Acv

    III.2 Measurement of RMS value, THD-F and Harmonics of ACV 600V Voltage: a. Set the rotary switch at V position. b. Insert the test leads into the input jack. Connect the test prods of the test leads in PARALLEL to the circuit to be measured. NOTE: If the peak value of the input AC voltage is greater than the maximum value of the range, then symbol of OL will be displayed.
  • Page 19 %THD-F: Total Harmonic Distortion with respect to Fundamental frequency %THD-F = ( + V3 + … +V49 + V50 ) / V1) * 100 √ Where, V1: magnitude at the nominal frequency (eg.50 or 60 Hz) V2: magnitude at the second harmonics …...
  • Page 20 NOTE: Frequency (Hz) is displayed in the second page (Harmonics order 25 order).

  • Page 21: Iii.3 Measurement Of Rms Value, Thd-F And Harmonics Of Aca

    III.3 Measurement of RMS value, THD-F and Harmonics of ACA a. Set the rotary switch at A position. b. Clamp on to the conductor, and read the data from LCD display. WARNING: Make sure that all the test leads are disconnected from the meter's terminals for current measurement.
  • Page 22 %THD-F: Total Harmonic Distortion with respect to Fundamental frequency %THD-F = ( + V3 + … +V49 + V50 ) / V1) * 100 √ Where, V1: magnitude at the nominal frequency (eg.50 or 60 Hz) V2: magnitude at the second harmonics …...
  • Page 23 NOTE: Frequency (Hz) is displayed in the second page (Harmonics order 25 order).

  • Page 24: Iii.4 Waveforms Of Acv And Aca With Phase Angle (Φ)

    III.4 Waveforms of ACV and ACA with Phase Angle ( ( ( ( φ φ φ φ...

  • Page 25: Iii.4.1 Waveform Of Acv With Peak Value

    When users set the rotary switch at waveform position, the unit will display both voltage and current waveform with phase angle. Users can press the ► or -◄ buttons to move the 0 reference axis of current up or down. So the waveforms of voltage and current can be easily distinguished as in the following figure.

  • Page 26: Iii.4.2 Waveform Of Aca With Peak Value

    III.4.2 Waveform of ACA with Peak Value Press the FUNC button to select display of current waveform with RMS value and peak value...

  • Page 27: Iii.5 Measurement Of Single Phase Ac Power Quality

    III.5 Measurement of Single Phase AC Power Quality NOTE: If the peak value of the input AC current or AC voltage is greater than the maximum value of the range, then symbol of OL will be displayed. NOTE: If the VT ratio is not 1, the readings of shown in LCD is equal to the W, VA, and VAR values measured by the tester multiplied by VT ratio (W = W ×...

  • Page 28: Iii.5.1 True Power (W) And Power Factor (Pf)

    III.5.1 True Power (W) and Power Factor (PF) III.5.2 Apparent Power (VA, KVA) and Reactive Power (VAR, KVAR)

  • Page 29: Iii.5.3 Maximum Demand (Kw And Kva)

    III.5.3 Maximum Demand (KW and KVA) WARNING: Must disable auto-power-off for this measurement. III.5.4. Energy (KWh, PFh, KVARh, and KVAh) WARNING: Must disable auto-power-off for this measurement. III.5.5 Phasor Diagram...

  • Page 30: Iii.5.6 Rms Values Of Voltage And Current

    III.5.6 RMS values of Voltage and Current...

  • Page 31: Iii.6 Measurement Of Balanced 3 Phase Ac Power Quality

    III.6 Measurement of Balanced 3 Phase AC Power Quality a. Set the rotary switch at the 3 Phase position b. Connect the test leads to the voltage source in parallel with the load. Clamp on one of the wire to the load. The current should flow from the front of the tester to the side of the battery cover d.

  • Page 32: Iii.6.1 Ac Watt (W) And Power Factor (Pf)

    III.6.1 AC Watt (W) and Power Factor (PF) III.6.2 Apparent Power (VA, KVA) and Reactive Power (VAR, KVAR) III.6.3 Maximum Demand (KW and KVA) WARNING: Must disable auto-power-off for this measurement.

  • Page 33: Iii.6.4 Energy (Kwh, Pfh, Kvarh, And Kvah)

    III.6.4 Energy (KWh, PFh, KVARh, and KVAh) WARNING: Must disable auto-power-off for this measurement. III.6.5. Phasor Diagram III.6.6. RMS values of Voltage and Current...

  • Page 34: Datalogging Of Voltage (Rms Value) And Harmonics

    IV. DATALOGGING OF VOLTAGE (RMS VALUE) AND HARMONICS IV.1 Scheduled Datalogging Set the rotary switch at the V position and press the REC button ONCE. If users see the following display and press the REC button, the true RMS value of voltage and selected harmonics set in the configuration will be logged at specified sampling interval.
  • Page 36 When the REC button is pressed, users will see the following display. Users always have 8 seconds to cancel Datalogging by pressing the HOLD button for about 2 seconds. If users do not press HOLD/CANCEL button, the unit starts Datalogging, and the LED next to the REC button starts blinking.

  • Page 37: Iv.2 Immediate Datalogging

    IV.2 Immediate Datalogging Press the REC button TWICE START TIME will be changed to next minute. STOP TIME will be changed to current time tomorrow. Please refer to HARMONICS CONFIGURATION of SETUP for selecting harmonics.

  • Page 38: Datalogging Of Current (Rms Value) And Harmonics

    V. DATALOGGING OF CURRENT (RMS VALUE) AND HARMONICS V.1 Scheduled Datalogging Set the rotary switch at the A position and press the REC button ONCE. The true RMS value of current and selected harmonics set in the configuration will be logged at specified sampling interval. The START TIME and STOP TIME is set in the SETUP.
  • Page 39 When the REC button is pressed, users will see the following display. Users always have 8 seconds to cancel datalogging by pressing the HOLD button for about 2 seconds. If users do not press HOLD/CANCEL button, the unit starts datalogging, and the LED at the bottom starts blinking.

  • Page 40: Immediate Datalogging

    Please refer to HARMONICS CONFIGURATION of SETUP for selecting harmonics. NOTE: The true RMS value and the first harmonics are always logged. V.2 Immediate Datalogging Press the REC button TWICE, the unit start Datalogging in the next minute. START TIME will be changed to next minute. STOP TIME will be changed to current time tomorrow.

  • Page 41: Datalogging Of Voltage And Current Waveforms

    VI. DATALOGGING OF VOLTAGE AND CURRENT WAVEFORMS VI.1 Datalogging of both Voltage and Current Waveforms Set the rotary switch at the VA waveform, and press the FUNC to select display of both voltage and current waveforms. Press the REC button once to do scheduled Datalogging. Both voltage and current waveforms will be logged.

  • Page 42: Vi.2 Datalogging Of Voltage Waveform

    VI.2 Datalogging of Voltage Waveform Set the rotary switch at the VA waveform and press the FUNC to select display of voltage waveform. Press the REC button once to do scheduled Datalogging. Voltage waveform will be logged. NOTE: Users can specify how many points per cycle in the WAVEFORM CONFIGURATION of SETUP.

  • Page 43: Vi.3 Datalogging Of Current Waveform

    VI.3 Datalogging of Current Waveform Set the rotary switch at the VA waveform and press the FUNC to select display of current waveform. Press the REC button once to do scheduled Datalogging. Current waveform will be logged. NOTE: Users can specify how many points per cycle to be logged in the WAVEFORM CONFIGURATION of SETUP.

  • Page 44: Datalogging Of Transient Detection

    VII. DATALOGGING OF TRANSIENT DETECTION Set the rotary switch to the Transient position, the following display is shown. It shows the reference voltage is AC 110.0V (TRANS REF), and the threshold is 5%. If the voltage exceeds 115.5V (SWELL) or is less than 104.5V (DIP), or is less the 40.0V (OUTAGE), one transient event will be logged.
  • Page 45 Press the FUNC button to start transient detection.
  • Page 46 After users press the FUNC button, the LCD will become blank and the LED at the bottom starts to flash.
  • Page 47 To stop transient detection and review events, press the FUNC button again. Press ► or -◄ buttons to review events.

  • Page 49: Datalogging Of Ac Power

    VIII. DATALOGGING OF AC POWER VIII.1 Scheduled Datalogging Press the REC button ONCE Users can press the REC button once to start scheduled datalogging. The START TIME and STOP TIME is set in the SETUP.
  • Page 50 When the REC button is pressed, users will see the following display. Users always have 8 seconds to cancel Datalogging by pressing the HOLD button for about 2 seconds. If users do not press HOLD/CANCEL button, the unit starts Datalogging, and the LED next to the REC button starts blinking.

  • Page 51: Viii.2 Immediate Datalogging

    The unit will log 50,000 records of (Date/Time, VA, W, VAR, PF, KVAH, KWH, KVARH, PFH, AD(VA), AD(W), MD(VA), MD(W), Phase, HP). VIII.2 Immediate Datalogging Press the REC button TWICE START TIME will be changed to next minute. STOP TIME will be changed to current time tomorrow.

  • Page 52: Clear Data Memory

    IX. CLEAR DATA MEMORY To clear the memory of data logger, hold the REC button and turn the power on. The following display will be shown in LCD. Users press the HOLD button to confirm the clearance of memory. The unit is turned off after the memory is cleared.

  • Page 53: Specifications (23° ° ° ° C±5° ° ° ° C)

    XI. SPECIFICATIONS (23° ° ° ° C±5° ° ° ° C) AC Watt (50 or 60 Hz, PF 0.5 to 1.0, VT = 1, Voltage > 5V AC, Current > 5A AC for A range, and continuous waveform) Range (0 to 1500A) Resolution Accuracy of Readings >...
  • Page 54 wattage should be multiplied by the VT ratio. For example, ±0.2VAR becomes ± 0.2VAR * VT ratio Range of VT (Voltage Transformer) Ratio: 1 to 3000 AC Active Energy (WH, or KWH, from 0 WH to 999,999 KWH) WH = W * Time (in hours) AC Current (50 or 60 Hz, Auto Range, True RMS, Crest Factor <...
  • Page 55 Harmonics of AC Current in Percentage (1 to 50 order, minimum current at 50 or 60 Hz > 20 A. If the current is 0 at 50 or 60 Hz, all the percentage (%) display is 0.) Range Resolution Accuracy 1 –...
  • Page 56 Frequency (RMS value > 20V) or ACA (RMS value > 30A) Range Resolution Accuracy 46 – 65 ± 0.3Hz Indoors Use Conductor Size: 55mm (approx.), 65 x 24mm (bus bar) Battery Type: two 1.5V SUM-3 Display: 128 X 64 dot matrix LCD with backlight Range Selection: Auto Overload Indication:...

  • Page 57: Battery Replacement

    XII. BATTERY REPLACEMENT When the battery voltage low is shown in LCD, A. Turn the power off and remove the test leads from the box. B. Remove the screw of the battery compartment. C. Lift and remove the battery compartment. D.

  • Page 59: Maintenance & Cleaning

    XIII. MAINTENANCE & CLEANING Servicing not covered in this manual should only be performed by qualified personnel. Repairs should only be performed by qualified personnel. Periodically wipe the case with a damp cloth and detergent; do not use abrasives or solvents.

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