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Summary of Contents for Megger MPQSIM
- Page 1 AVTMMPQSIM Rev 1 May 2017 Megger User Manual MPQSIM Power Quality Simulator 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com...
- Page 3 MPQSIM User Manual...
- Page 4 Specifications are subject to change without notice. WARRANTY Products supplied by Megger are warranted against defects in material and workmanship for a period of one year following shipment. Our liability is specifically limited to replacing or repairing, at our option, defective equipment.
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Page 5: Table Of Contents
Table of Contents 1 INTRODUCTION ............................. 1 2 RECEIVING INFORMATION ........................3 MPQ-SIM-01 ................................ 3 Contents Received: ............................... 3 3 OVERVIEW ................................. 5 Intended Use ................................. 5 Applications ................................5 Definitions ................................6 4 SPECIFICATIONS ............................. 7 5 SAFETY ................................ - Page 6 Method # 1 Real Time Flicker DVM Screen ..................28 Method # 2 Recording Data ........................28 8 UNIT MAINTENANCE ..........................29 Instructions for Cleaning and Decontamination ................... 29 9 SPARE PARTS ..............................31 ADDENDUM A SAMPLE QUICK TRAINING ..................33 ADDENDUM B SAMPLE DEMAND TRAINING..................
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Page 7: Introduction
INTRODUCTION Thank you for purchasing the MPQSIM Power Quality Simulator, from Megger. If you find any discrepancies in the product or its accessories or have any comments, please send them to Megger via fax, e-mail or phone. AVTMMPQSIM Rev 1 May 2017... - Page 8 AVTMMPQSIM Rev 1 May 2017...
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Page 9: Receiving Information
Notify Megger of any shortages. Examine the contents for damage received during transit. If any damage is discovered, file a claim with the carrier at once and notify Megger or it’s nearest authorized sales representative, giving a detailed description of the damage. - Page 10 AVTMMPQSIM Rev 1 May 2017...
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Page 11: Overview
OVERVIEW Intended Use The MPQSIM is a power quality event simulator. This simulator is intended for use with the Megger MPQ line of power quality analyzers. The MPQSIM power quality simulator box is a training tool that simulates various power quality phenomenons. The MPQSIM is not intended to be used for instrument calibration or troubleshooting. -
Page 12: Definitions
Flicker Flicker is a very specific problem related to human perception and incandescent light bulbs. It is not a general term for voltage variations. The MPQSIM product produces voltage variations over time that will create Flicker phenomenon in incandescent lighting. -
Page 13: Specifications
SPECIFICATIONS DC Input Voltage: 12VDC +/-0.5VDC 100-240VAC 50/60Hz AC Adapter: 115VAC +/- 1.2VAC Nominal Output Voltage: 230VAC +/- 2.4VAC Voltage Selections Accuracy: 85.0 %+/- 0.5% 102.0% +/- .2% (% of nominal) 115.0% +/- 0.5% Current Ranges: 10A, 100A, 1000A & 6000A Current Accuracy: +/-2% Full Scale 0°, 120°, 240°... - Page 14 Altitude: 2000 meters IEC 61326:2012 Class A, Basic Immunity Safety IEC61010-1 IP Rating CAT Rating CAT II @ 300V AVTMMPQSIM Rev 1 May 2017...
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Page 15: Safety
SAFETY Warnings and Safety Precautions WARNING! Death, serious injury, or fire hazard could result from improper use/installation of this instrument. Read and understand this manual before installing this instrument. Installation of this instrument MUST be performed in compliance with the National Electric Code and any additional safety requirements applicable to your installation. -
Page 16: Safety And Warning Symbols
Warning, possibility of electric shock ISO 7000-0434B (2004-01) Caution The crossed out wheeled bin placed on Megger products is a reminder not to dispose of the product at the end of its life WEEE with general waste. Megger is registered in the UK as a Producer of Electrical and Electronic Equipment. -
Page 17: Product Installation
Connectors AC Adapter Jack Plug the AC Adapter into the AC Adapter jack of the MPQSIM product. When used with an MPQ1000: 1. Connect the Phase C RTN jack on the MPQSIM to Earth Ground. 2. Connect the GND input on the MPQ1000 to Earth Ground. - Page 18 5. Plug the Phase C voltage lead (supplied with the Megger PQ Product) between the Phase C 115V or 230V banana jack on the MPQ-SIM and the Phase C voltage input of the MPQ1000. 6. Plug the Neutral lead (supplied with the Megger PQ Product) between the Phase A RTN banana jack on the MPQ-SIM and the Neutral lead of the MPQ1000.
- Page 19 PRODUCT INSTALLATION 8. Plug the Phase A current lead into the MPQSIM Phase A current connector. 9. Plug the other side of the Phase A current lead into the Phase A current connector of the Megger PQ Product. 10. Plug the Phase B current lead into the MPQSIM Phase B current connector.
- Page 20 AVTMMPQSIM Rev 1 May 2017...
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Page 21: Product Operation
PRODUCT OPERATION The following section describes the operation of the MPQSIM Power Quality Simulator. This section will describe in a step by step manner how to operate the unit. Operation Controls and Modes Definitions of switch and control functions. Phase A Section... -
Page 22: Initial Settings
50Hz or 60Hz. Power Switch Turns the MPQSIM ON and OFF. Initial Settings Connect the Power Quality Simulator to the Megger MPQ Analyzer as described in Section 6. Set the controls to the following initial settings. CONTROL... -
Page 23: Simulations
PRODUCT OPERATION CONTROL SETTING Phase B Voltage Harmonics Phase B Current Harmonics PHASE C Phase C Current Range Desired Current Range Phase C Voltage Amplitude 100% Phase C Current Amplitude 100% Phase C Voltage Angle 240° Phase C Current Angle 240°... -
Page 24: Method # 2 Real Time Demand Scope Screen
Method # 2 Real Time Demand Scope Screen 1. Verify the controls are set to their initial settings. 2. View the Phase A voltage and current on the scope screen. 3. Note the current is in Phase with the Voltage. 4. -
Page 25: Active Power Vs. Reactive Power
PRODUCT OPERATION Active Power vs. Reactive Power Verify the Power Quality instrument connected to the simulator is programmed to record power in a 4-wire wye 3-wattmeter configuration. Method # 1 Real Time Demand DVM Screen 1. Verify the controls are set to their initial settings. 2. -
Page 26: Displacement Power Factor (Leading And Lagging Current)
Displacement Power Factor (Leading and Lagging Current) Verify the Power Quality instrument connected to the simulator is programmed to record power in a 4-wire wye 3-wattmeter configuration. Method # 1 Real Time Demand DVM Screen 1. Verify the controls are set to their initial settings. 2. -
Page 27: Method # 3 Recording Data
PRODUCT OPERATION Method # 3 Recording Data 1. Verify the Power Quality instrument connected to the simulator has a programmed demand interval of no more than 1 minute. This simulation will require that at least 8 demand intervals are captured. The longer the demand interval the longer this test will take. -
Page 28: Harmonic Effect On Power
Harmonic Effect on Power Verify the Power Quality instrument connected to the simulator is programmed to record power in a 4-wire wye 3-wattmeter configuration. Method # 1 Real Time Demand DVM Screen 1. Verify the controls are set to their initial settings. 2. -
Page 29: Voltage Dips / Sags
Voltage Dips / Sags 1. Verify the Power Quality instrument connected to the simulator has a programmed sag / dip limit of no more that 10% of the MPQSIM voltage output that it is connected. NOTE:... -
Page 30: Voltage Swells
Voltage Swells Verify the Power Quality instrument connected to the simulator has a programmed swell limit of no more that 10% of the MPQSIM voltage output that it is connected. NOTE: If you wish to record RMS values as well it may be best to set the RMS storage interval to 3 seconds, so you do not need to wait a long period to acquire saved RMS intervals. -
Page 31: Phase Angle Event
PRODUCT OPERATION 4. Start the unit recording. 5. Allow the unit to record for several seconds. 6. Note there are no recorded Transient events. 7. Depress and release one of the transient buttons. 8. Allow the unit to record for several seconds. 9. -
Page 32: Voltage And Current Harmonics
8. Set Phase B Voltage Angle to 120° 9. Allow the unit to record for several seconds. 10. Note the unit now displays a Phase Angle Event. 11. Set Phase C Voltage Angle to 251° 12. Allow the unit to record for several seconds. 13. -
Page 33: Method # 3 Recording Data
PRODUCT OPERATION 5. View the real time harmonics in the unit’s real time Scope screen and note the 3rd order and 5th order current harmonics now display. 6. Set the Phase A, B and C Voltage Harmonics to ON. 7. View the real time harmonics in the units real time Scope screen and note the 3rd order and 5th order voltage harmonics now display. -
Page 34: Flicker
5. Let the unit record for 30 minutes, in order to record several flicker intervals. 6. Stop the recording and view the flicker data on the unit or download the data to the Megger PQ PC software. AVTMMPQSIM Rev 1 May 2017... -
Page 35: Unit Maintenance
UNIT MAINTENANCE This unit has no field serviceable parts within it. Instructions for Cleaning and Decontamination The unit should not be cleaned with anything more than a clean dry cloth. AVTMMPQSIM Rev 1 May 2017... - Page 36 AVTMMPQSIM Rev 1 May 2017...
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Page 37: Spare Parts
SPARE PARTS PART NO. DESCRIPTION 2008-124 Current Cable 90017-548 AC Adapter AVTMMPQSIM Rev 1 May 2017... - Page 38 AVTMMPQSIM Rev 1 May 2017...
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Page 39: Addendum A Sample Quick Training
ADDENDUM A SAMPLE QUICK TRAINING This Addendum is meant to offer a possible sample training routine for the MPQ line of power quality analyzers. Initial PQ Simulator Configuration Configure the PQ Simulator as shown in Section 7 Initial Settings of this manual Program the MPQ Analyzer Programming the MPQ Analyzer for 115V input from simulator. - Page 40 Harmonic Bar Chart View the waveforms on the Scope screen of the MPQ Analyzer. Scroll through the phases. Turn ON the Voltage Harmonics switch on the PQ Simulator. The harmonics are displayed. Turn OFF the Voltage Harmonics switch ON the PQ Simulator. Phase Angles View the Vectors on the Unbalance screen of the MPQ Analyzer.
- Page 41 ADDENDUM A- SAMPLE QUICK TRAINING Start a Recording Start the MPQ Recording. Create a SAG / DIP Allow the unit to record for approximately 15 seconds (minimum). Start a SAG / DIP on one of the voltage phases by setting the voltage selector to 85%.
- Page 42 15. View the data on the MPQ Analyzer View the RMS Charts. View the Power Charts. View the Harmonic Charts. View the Event Data Charts. NOTE: This data can also be transferred and viewed in the Megger PQ software. AVTMMPQSIM Rev 1 May 2017...
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Page 43: Addendum B Sample Demand Training
ADDENDUM B SAMPLE DEMAND TRAINING This Addendum is meant to offer a possible sample training to illustrate power and energy parameters. Initial PQ Simulator Configuration Configure the PQ Simulator as shown in Section 7: Initial Settings of this manual. Program the MPQ Analyzer Programming the MPQ Analyzer for 115V input from simulator. - Page 44 RMS and Demand Values View the voltages and demand values on the DVM screen of the MPQ Analyzer. NOTE: The phase angles of the voltage and current. Voltages and current are at 0, 120 and 240. This is true under purely resistive loads only. Confirm the following: ...
- Page 45 ADDENDUM B - SAMPLE DEMAND TRAINING Different phase rotations can be used however the current phase angle can never be more than 90° away from the phase voltage. This is a sign that something is not connected properly. Swap Phase B and C voltage inputs back to normal. Phase Angles and Power Factor View the Phase A Voltage and Current Waveforms on the Scope screen of the MPQ Analyzer.
- Page 46 Source Reversal View the demand values on the DVM screen of the MPQ Analyzer. Set the Power Direction Switch on the PQ Simulator to SINK. The KW values are now negative, indicating reversed power flow. The power is now flowing from the load to the source.
- Page 47 ADDENDUM B - SAMPLE DEMAND TRAINING √ However the power triangle still holds true. The more reactive power in a system the greater the amount of apparent power (KVA) is required. As inductive loads are added to a network they increase the lag in the current.
- Page 48 15 minute demand interval then the KWH = KW/4. When verifying revenue meters the demand aggregation should be set to the same value as the revenue meter. NOTE: This data can also be transferred and viewed in the Megger PQ software. AVTMMPQSIM Rev 1 May 2017...
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Page 49: Addendum C Sample Power Quality Training
ADDENDUM C SAMPLE POWER QUALITY TRAINING This Addendum is meant to offer a possible sample training to illustrate power quality phenomenon. Initial PQ Simulator configuration Configure the PQ Simulator as shown in Section 7 Initial Settings of this manual. Program the MPQ Analyzer Programming the MPQ Analyzer for 115V input from simulator. - Page 50 RMS, Phases and THD View the voltages and current values on the DVM screen of the MPQ Analyzer. Verify RMS voltages and currents are correct. This should always be done prior to performing a power quality investigation. View the phase angles of the voltage and current on the DVM screen of the MPQ Analyzer.
- Page 51 ADDENDUM C - SAMPLE POWER QUALITY TRAINING Unbalance View the Vectors and Unbalance on the SCOPE/UNBALANCE screen of the MPQ analyzer. Change the Phase A Current phase angle on the PQ Simulator to -30°. Change the Phase A Voltage to 85% on the PQ Simulator. Note the change in the unbalance.
- Page 52 Harmonics View the Harmonics Bar Chart on the SCOPE / HARMONICS screen of the MPQ analyzer. Turn on the voltage and current harmonics on the PQ simulator. Note the change in the harmonic bar chart as the harmonics are applied. View the waveform on the SCOPE screen of the MPQ analyzer.
- Page 53 ADDENDUM C - SAMPLE POWER QUALITY TRAINING Verify the current phases angles are correct. Each phase current should be within 90° of its phase voltage. If it is not within 90° then the current clamp may be backwards. Once these parameters are verified, start the recording by pressing the record button on the MPQ Analyzer.
- Page 54 Create a Swell Allow the unit to record for approximately 15 seconds (minimum). Start a SWELL on one of the voltage phases by setting the voltage selector to 115%. Wait about 1 second. Stop the SWELL by setting the voltage selector back to 100%. Note the record screen now will register a swell.
- Page 55 ADDENDUM C - SAMPLE POWER QUALITY TRAINING Transients are caused by lightning or almost any switching event on the power system. Transients can be categorized into several categories. Oscillatory transients: These are typically low frequency transients in the few hundred Hz range. They are caused by capacitor bank switching.
- Page 56 10. Create a THD Event Allow the unit to record for approximately 15 seconds (minimum). Turn ON one of the voltage and current harmonic switches. Let the unit record for about 1 minutes. Turn OFF the voltage and current harmonic switches. Let the unit record for about another 15 seconds then stop the recording.
- Page 57 ADDENDUM C - SAMPLE POWER QUALITY TRAINING 12. View the Data on the Unit Allow the unit to record for at least 10 minutes to obtain enough data for adequate charts. Stop the unit recording. Press the HOME button. Select VIEW DATA. View the RMS Charts: Scroll through the phase and note the RMS variation throughout the test period.
- Page 58 14. Transfer the Data to a PC For the MPQ series of Power Quality Analyzers this can be done using the SD card, the USB stick or a direct link to the PC using the USB cable or Ethernet cable. 15.
- Page 59 ADDENDUM C - SAMPLE POWER QUALITY TRAINING 17. Create an Out Of Limits-Brief report Click on the SETUP button to return to the report screen. Select the "Out Of Limits - Brief" report and click CREATE. This report provides a brief view of the out of limits data. The report only shows the data for the channel that triggered the out of limits event.
- Page 60 19. Create an RMS chart Click on the CREATE CHART button then select the "RMS" chart and click CREATE. NOTE: Tthe ability to zoom and create scan lines to examine individual intervals. When analyzing dip (sag) and swell events one method is to examine the direction of the voltage event and the current.
- Page 61 ADDENDUM C - SAMPLE POWER QUALITY TRAINING 20. Create an Unbalance chart Click on the SETUP button to return to the chart selection screen then select the "IEC Unbalance" chart and click CREATE. NOTE: The unbalance can be shown as negative and zero sequence unbalance in the IEC unbalance chart and in an ANSI configuration in the ANSI unbalance chart.
- Page 62 21. Create a THD chart Click on the SETUP button to return to the chart selection screen then select the "THD" chart and click CREATE. You can create THD charts to view the total harmonic distortion on the voltage channels and the current channels if you wish. However you can also create TDD total demand distortion charts to view the harmonic distortion on the current channels.
- Page 63 ADDENDUM C - SAMPLE POWER QUALITY TRAINING 22. Create a Harmonics chart Click on the SETUP button to return to the chart selection screen then select the "IEC Harmonics" chart and click CREATE. You can view both harmonics and inter-harmonics. You can select which harmonic orders you wish to view.
- Page 64 23. Create a Waveform Chart Click on the SETUP button to return to the chart selection screen. Then select the "Waveforms" chart and click CREATE. On all charts you can double click on the trace. This will open a window that will allow you to alter the trace parameters or view the values of each data point.
- Page 65 ADDENDUM C - SAMPLE POWER QUALITY TRAINING 24. Create a Detailed Harmonic Analysis Click on CHART/HARMONIC ANALYSIS. Then select the cycle of the waveform to be analyzed and click CREATE. This chart will allow you to select the waveform of interest, the cycle of interest and create a detailed harmonic analysis of the waveform.
- Page 66 Click on CHART/POWER HARMONIC ANALYSIS. Then select the Cycle of the Waveform to be analyzed and click CREATE. This chart will allow you to see which direction the different harmonic orders are coming from. This can be viewed as text or as a bar chart. AVTMMPQSIM Rev 1 May 2017...
- Page 67 ADDENDUM C - SAMPLE POWER QUALITY TRAINING 26. Create a PQ Event Waveform Analysis Click on CREATE CHART/ PQ EVENT WAVEFORM ANALYSIS. This chart allows you to view all the out of limits event data. You will also see the traces associated with those events.
- Page 68 27. Create a PQ Timed Waveform Analysis Click on CREATE CHART/PQ TIMED WAVEFORM ANALYSIS. This chart allows you to analyze all the timed waveforms that were recorded. The MPQ unit can take waveform snap shots throughout the test interval. This screen allows you to analyze that data.
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Page 69: Addendum D Complete 115V Mpq Setup File
ADDENDUM D COMPLETE 115V MPQ SETUP FILE DESCRIPTION SETUP COMMENTS Power Wiring Connection 4 Wire Wye 3 Wattmeter Enable Power Enabled Calculations Demand Interval 5 Minute This is not a normal interval used in the real world. This is just a short interval to accumulate data quickly for demonstration. - Page 70 DESCRIPTION SETUP COMMENTS Disabled Current Limits Sub-cycle Limit 240.00 Ratio CT Full Scale 6000.0 0, 120, 240 Nominal Angle Angle Deviation Fast Transient 400.00 THD Limit 5.00 Enabled at 1 Minute This is not a normal interval used in Timed Waveform Capture the real world.
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Page 71: Addendum E Complete 230V Mpq Setup File
ADDENDUM E COMPLETE 230V MPQ SETUP FILE DESCRIPTION SETUP COMMENTS Power Wiring Connection 4 Wire Wye 3 Wattmeter Enable Power Enabled Calculations Demand Interval 5 Minute This is not a normal interval used in the real world. This is just a short interval to accumulate data quickly for demonstration. - Page 72 DESCRIPTION SETUP COMMENTS Voltage Swell Limits 262.00 Current Limits Disabled Sub-cycle Limit 400.00 Ratio CT Full Scale 6000.0 Nominal Angle 0, 120, 240 Angle Deviation Fast Transient 600.00 THD Limit 5.00 Timed Waveform Capture Enabled at 1 Minute This is not a normal interval used in the real world.
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