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Power Quality Analyzer User’s Guide

18

Use

【

▲

】【

▼

】

keys to select the type of the saved files.

Use

【

ENTER

】

key to enter into edit interface to edit the file name.

Press

【

F5

】

to complete the saving, and return to the original interface.



MEMORY interface

The MEMORY button accesses to the save list interface, which shows the save time,

name and type of saved files. Press

【

▲

】【

▼

】

keys to select specified files. After

accessing to the save interface, insert a U disk and wait for a few seconds, then U disk

icon display on the state bar, then “TO USB” characters become lighted, press

【

F2

】

to copy the current selected flies to the U disk, then there is a progress bar to prompt

the copy process,. When finish the copy, plug off the U disk then inset it to the PC to

view.

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Содержание NP45

Страница 1: ...POWER NETWORK ANALYZER RECORDER NP45 USER S MANUAL ...

Страница 2: ... cycle RMS measurement voltage and current intuitive operation variety of optional current clamps Measure DC component Measurement of harmonics can be up to 100 times Transient capture Vector Trend Bar Graph and events table display Active power reactive power apparent power and energy shift power factor and true power factor Three phase unbalance voltage and current Flicker Inrush current Detecti...

Страница 3: ...re manual 1 Voltage Test Leads 5 Alligator Clips 5 Power adapter 1 Power cord 1 Soft Carry Bag 1 Hang strap 1 Options AC Current Transformer KLC8C 5A 5A CTC0080 50A CTC0130 100A CTC1535 1000A AC Rogowski Coil SY 1500A 1500A PY 3000A 3000A PY 5000A 5000A SY 6000A 6000A AC DC Current Transformer ETCR035AD 1000A ...

Страница 4: ... on the probes Before use inspect the Analyzer voltage probes test leads and accessories for mechanical damage and replace when damaged Look for cracks or missing plastic Pay special attention to the insulation surrounding the connectors Verify operation of the Analyzer by measuring known voltage Remove all probes test leads and accessories that are not in use Always connect the power adapter firs...

Страница 5: ...hing must be used to prevent electric shock and arc discharge damage Pay special attention when connecting or removing flexible current probes power down the device being tested or put on suitable protection suit Do not insert metal objects into connectors Use only power adapter provided by the Analyzer ...

Страница 6: ...perations 13 2 1 Tilt Stand and Hang Strap 13 2 2 Power on off 13 2 3 Display Brightness 13 2 4 Update Firmware 13 2 5 Input Connections 15 2 6 User configuration 15 2 7 Set Up the Analyzer 16 2 8 Using Memory and PC 17 Chapter 3 Function Introduction 21 3 1 Scope 22 3 2 Voltage Current Frequency 23 3 3 Dips and Swells 24 3 4 Harmonics 28 3 5 Power and Energy 30 3 6 Flicker 32 3 7 Unbalance 33 3 8...

Страница 7: ...asurement Range Resolution Accuracy 47 5 7 Wiring Combinations 50 5 8 General Characteristics 50 5 9 The specification of optional current clamps 52 Chapter 6 Ordering code 53 Note The information in this manual may be slightly modified without further notice This document may contain technical inaccuracies or typographical errors This document only guides instrument using and we will don t guaran...

Страница 8: ...f the device through this chapter 1 1 Overview of the Analyzer 1 display area 6 GND input terminal 2 keyboard area 7 power adapter interface 3 charge indicator 8 GPS BEIDOU receiver interface 4 voltage input terminal 9 USB Host interface 5 input terminal of current clamp 10 LAN interface ...

Страница 9: ... into the oscilloscope function Main menu shortcut key enter into main menu interface quickly Monitor function key enter into monitor function Shortcut key of parameter setting enter into interface of parameter setting quickly Files management key enter into files management interface Save key in measurement status press this key to save screenshot and measurement data Charge indicator red still i...

Страница 10: ...ar 1 3 Input Connections The Analyzer has 4 BNC inputs for current clamps and 5 banana inputs for voltages For a 3 phase system make the connections as above picture show First put the current clamps around the conductors of phase L1 A L2 B L3 C and N The clamps are marked with an arrow indicating the correct signal polarity Next make the voltage connections start with GND and then succession N L1...

Страница 11: ...ND N and voltage inputs terminal L1 A Voltage phase L1 A is the reference phase for all measurement 1 4 Rapid Overview of Measuring Modes MENU Below measurements are available with MENU key MONITOR Press MONITOR key can enter into monitor function can monitor parameters of RMS harmonic flick Dips Swell interruption unbalance and frequency The bar graph screen is as blow picture shown ...

Страница 12: ... results Table screen Table screen gives an instantaneous overview of important numerical measuring values under Volts Amps Hertz mode Screen information 1 The screen header shows current measurement mode some information will display in scroll 2 Table in the middle of the screen display the measurement parameters ...

Страница 13: ...ey Function keys instruction F4 Open Trend screen F5 Switch between RUN and HOLD Trend screen Trend screen shows the measurement value which is changing along with time change Horizontal axis stands for the time the Trend chart is forming from screen s right to left gradually Function key instruction F1 Switch to the displaying parameters F4 Return to table screen F5 Switch between RUN and HOLD ...

Страница 14: ...e the Analyzer will prompt user whether power off the device the device will power off after your confirm Mandatory power off The analyzer will be forced to power off if user press Power key about 10s in power on status 2 3 Display Brightness The Analyzer provides 4 degrees of brightness which is adjustable by pressing the brightness adjustment key Low brightness is suggested to save the battery p...

Страница 15: ...zer then power on to complete the update Error codes in right of below table are possible to pop up during update process coming with the solution in the left area Error code Solution ErrCode 0000 XXXX May be Flash damage please replace Flash ErrCode 0001 XXXX SPI FLASH model are not supported please check the update file ErrCode 0003 Error Verify of firmware data please check the update file ErrC...

Страница 16: ...s use proper personal safety equipment For the connection of 3 phase system please refer to chapter 1 3 2 6 User Settings User Settings Interface The user name language sleep time system time and network setting could be set in this interface by keys of and ENTER keys Sleep time if there is no any key s operation after setting sleep time and when the setting time goes off the brightness of device ...

Страница 17: ...ault phase color settings of L1 A L2 B L3 C N and GND separately are yellow green red blue and green 2 7 Setup Analyzer Setting interface After power on current setting will be displayed on the top of the screen Check if the Date and Time of the system clock are correct Also the wiring configuration must match the configuration of the power system to be checked The SETUP key accesses menus to view...

Страница 18: ...justable upper limit Flicker Weighing curve lamp type 2 probability percentages 100 and adjustable adjustable percentage with adjustable upper limit Dips Threshold hysteresis allowed number of week Swells Threshold hysteresis allowed number of week Interruption Threshold hysteresis allowed number of week Rapid Voltage Change Voltage tolerance steady time minimum step minimum rate allowed number of...

Страница 19: ...to the save list interface which shows the save time name and type of saved files Press keys to select specified files After accessing to the save interface insert a U disk and wait for a few seconds then U disk icon display on the state bar then TO USB characters become lighted press F2 to copy the current selected flies to the U disk then there is a progress bar to prompt the copy process When f...

Страница 20: ...s recommended Hard disk over 100M Network card 10M 100M network card Operating system Windows Vista or high version Microsoft Office version Office 2007 or above Network Settings The LAN interface is configured to realize communication between device and PC The Analyzer is equipped with a LAN interface for communication with a PC With supplied PC software user can remote control analyzer download ...

Страница 21: ...d be 192 168 1 XXX accordingly After a correct setting IP address for the analyzer access the analyzer to the network by one new cable Open PQA View software select auto connection or manual connection input IP address manually in file option after a successful connecting an operating interface which simulate the analyzer will pop up and user can download the saved file in device as below picture ...

Страница 22: ...the assigned IP address display in the right of display Connect laptop or computer with wireless function to the same wireless router then run the PQA View software in the PC select auto connection or manual connection input IP address manually in file option to realize the remote control the Analyzer and download the measured data After PQA View_Setup is installed select User Manual in help optio...

Страница 23: ...ys instruction F1 Select the waveform to be displayed U displays all voltages and I displays all currents L1 L2 L3 and N neutral simultaneously display voltage and current of the selected phase F2 Press this key to adjust the waveform display automatically according to screen to get a better observation effect F3 Enable or disable the cursor After enable the cursor the waveform value at the Cursor...

Страница 24: ...before examining the system in detail with other measuring modes Table screen The number of columns in the Table screen depends on the power system configuration The figures in the Table screen are present values that may update constantly Changes in these values over time are recorded as soon as the measurement is turned on The recording is visible in the Trend screen Press SAVE key to save curre...

Страница 25: ...om the normal voltage Magnitude may be ten up to one hundred of volts Duration may vary from a half cycle to a few seconds as defined in IEC61000 4 30 During a dip the voltage drops during a swell the voltage rises In 3 phase systems a dip begins when the voltage on one or more phases drops below the dip threshold and ends when all phases are equal to or above the dip threshold plus hysteresis A s...

Страница 26: ...ystems an Interruption begins when the voltages on all phases are below threshold and ends when one phase is equal to or above the interruption threshold plus hysteresis The trigger conditions for interruptions are threshold and hysteresis Interruptions are characterized by duration magnitude and time of occurrence Figure 3 3 3 explains this Fig 3 3 3 Characteristics of a voltage interruption ...

Страница 27: ...ll threshold it is considered as Dip or Swell instead of Rapid Voltage Change The events list shows voltage step change and transient time The detailed events list shows maximum voltage change over nominal voltage Voltage change trend is shown in Fig 3 3 4 Fig 3 3 4 Characteristics of a rapid voltage change In addition to the voltage current is also recorded This allows you to see cause and effect...

Страница 28: ...ge and current trends the header shows parameters being displayed F2 Access to Events tables F3 Open close cursor remove cursor by key after cursor is opened F4 Open close Zoom function F5 Switch between RUN and HOLD Event criteria such as threshold hysteresis and others are preset but they may be adjusted The adjustment menu is reached via the SETUP key and limits setup ...

Страница 29: ...harmonics up to the 100th Related data such as DC components and THD Total Harmonic Distortion are measured Harmonics are periodic distortions of voltage current or power sinewave Waveform can be considered as a combination of various sinewaves with different frequencies and magnitudes The Analyzer also measures its effect that harmonic component contribute to complete signal The measured value is...

Страница 30: ...he Total Harmonic Distortion THD percentage The display can also show the percentage of the DC component and each harmonic ratio arrow keys are used to position the Cursor on particular bar The screen header will show harmonic voltage current harmonic component ratio frequency and phase angle If not all bars are shown on the screen you can bring the next set within the viewing area by moving the C...

Страница 31: ...elect f or r to display harmonic F4 Return to bar graph of harmonic F5 Switch between RUN and HOLD Instruction f the percentage of harmonic component and fundamental signal r the percentage of harmonic component and signal RMS value 3 5 Power and Energy Power and Energy displays a table with all important power parameters The related Trend screen shows the changes over time of all measuring values...

Страница 32: ...voltage and current tanФ the ratio divided reactive power by active power Urms voltage root mean square Irms current root mean square inductive load capacitive load Q1 the computing method is as below Reactive vector power of fundamental Reactive system power of fundamental Superscript stands for the positive sequence component Function keys instruction F3 To pop up table under Power Energy screen...

Страница 33: ...tage variations The Analyzer design strictly meets the IEC61000 4 15 Flicker Meter model The Analyzer converts duration and magnitude of voltage variations into an annoyance factor caused by the resulting flicker of a 60W lamp A high flicker reading means that most people would find the luminance changes irritating The voltage variation can be relatively small The measurement is optimized to lamps...

Страница 34: ...nutes Plt Long term flicker severity measured in two hours 3 7 Unbalance Unbalance displays phase relations between voltages and currents Measuring results are based upon the fundamental frequency component 50 or 60Hz use symmetrical components In a 3 phase power system the phase shift between voltages and between currents should be close to 120 Unbalance mode offers a measurement table and a vect...

Страница 35: ...nbalance Ineg Negative sequence current unbalance Uzero Zero sequence voltage unbalance Izero Zero sequence current unbalance Ufund Fundamental voltage Ifund Fundamental current ФU Fundamental voltage angle ФI Fundamental current angle ФI U The angle between fundamental voltage and current The angle of each phase voltage and current is relative to angle of reference voltage L1 A ...

Страница 36: ...A displays all currents L1 L2 L3 give simultaneous display of phase voltage and current F4 Return to unbalance table screen F5 Switch between RUN and HOLD 3 8 Transients The Analyzer can capture waveforms at high resolution during a variety of disturbances The Analyzer will give a snapshot of the voltage and current waveforms at the precise time of the disturbance This allows you to see the wavefo...

Страница 37: ...se cursor F4 Open close Zoom function F5 Switch between RUN and HOLD The following figure shows the captured transient events 3 9 Inrush currents Inrush currents can be captured by the Analyzer Inrush currents are surge currents that occur when a large or low impedance load comes on line Normally the current will stabilize after some time when the load has reached normal working condition For ...

Страница 38: ...pected inrush time nominal current threshold and hysteresis The maximum current determines the vertical height of the current display windows Threshold is the current level that triggers the trend capture The inrush time is the time between trigger and the time that the current falls to the value indicated by Hysteresis and is indicated on the trend display between two vertical markers The screen ...

Страница 39: ...at could be generated after finishing recording and user could review it through PC software 3 11 Logger Logger function is used to record a group of measurement data as your selected parameter the interval selected from 1s to 1hour When each interval ends the maximum minimum and average of selected parameters are recorded to memory and then start next interval recording The whole process lasts as...

Страница 40: ...he record file is saved in Micro SD card as CSV format which can be opened as EXCEL table by Office 2007 or advanced version in PC Each logger file is allowed to record 7200 data at most every 7200 data will be generated as one file for example set logger interval 1s logger duration 4 hours it will generate 2 logger files as Logger 1 csv and Logger 1_1 csv Press F2 can enter into parameter setting...

Страница 41: ...wells SWL DIP Interruptions INT Rapid Voltage Changes RVC 5 Unbalance and Frequency Power Quality Monitoring is usually done during a long observation period Minimum duration of the measurement is 2 hours An usual measuring period is 1 week Most of the Bar Graphs have a wide base indicating adjustable time related limits for instance 95 of time within limit and a narrow top indicating a fixed 100 ...

Страница 42: ...dicate the number of limits violations that occurred during the observation period The allowed number is adjustable for instance to 20 Dips week The bar turns to red if the adjusted limit is violated You can use a pre defined set of limits or define your own An example of a pre defined set is that according to the EN50160 standard The table below gives a survey of the aspects of Power Quality Moni...

Страница 43: ...phase From left to right these three bars are related to the phases A L1 B L2 and C L3 The parameters Dips Interruptions Rapid Voltage Changes Swells and Unbalance Frequency have a single bar for each parameter representing performance across three phases The below signs used in the title bar the setting x limit value 100 limit value Detailed measurement data is available under the Function keys F...

Страница 44: ... limits Harmonics events an event is recorded each time a 10 minute aggregated harmonic or THD violates its limit Dips Interruption Rapid Voltage Change Swells events an event is recorded each time one of the items violates its limit Unbalance and Frequency events an event is recorded each time that a 10 minute aggregated RMS value violates its limit Function keys instruction F3 Open Trend Screen ...

Страница 45: ...rcentage of time each phase spent within limits for 25 harmonics and Total Harmonic Distortion THD Each Bar Graph has a wide base representing an adjustable limit of e g 95 and a narrow top representing the limit of 100 A Bar Graph changes from green to red if the limits for that harmonic are violated Function keys instruction F1 Select Bar Graphs of L1 A L2 B or L3 C F4 Open events table F5 Retur...

Страница 46: ... or replacing since consignment for the verified quality problem of the product Except for this explanation and the description in the warranty card the company has no other warranty in proclamation or in implication Under no circumstances the company will responsible for the direct indirect or other secondary loss ...

Страница 47: ...0 Max pulse peak voltage 6kV Input impedance 4MΩ 5 3 Current Input Numbers of input 4 3 phase neutral Type Clamp Current Sensor with mV output Max input voltage 10V Input range According to current clamps Input impedance 100kΩ 5 4 Sampling System Resolution 8 channels 16 bits AD Sampling rate 163 84kS s Typ nominal frequency 8 channels sample synchronously RMS sampling 4096 points for 10 12 cycles...

Страница 48: ...s Harmonic voltage Total harmonic distortion voltage Plt Vrms1 2 Arms1 2 Vneg Hz Swells Dips Interruption Rapid Voltage Change All parameters are measured simultaneously according to EN50160 standard Logger User defined to select more parameter and record of setting time interval 5 6 Measurement Range Resolution Accuracy Voltage Current Frequency Measurement range Resolution Accuracy Vrms AC DC 1 ...

Страница 49: ...uption Voltage Rapid Change Duration hour minute second microsecond 0 5 cycle 1 period Harmonic Measurement range Resolution Accuracy Harmonic order 400Hz Interharmonic order 400Hz Harmonic order 50 60Hz Interharmonic order 50 60Hz Harmonic voltage f Harmonic voltage r Harmonic current f Harmonic current r THD Frequency Phase 1 12 No 1 100 0 99 0 0 100 0 0 0 100 0 0 0 100 0 0 0 100 0 0 0 100 0 0 6...

Страница 50: ...p scaling and V nominal 1 10 counts Flicker 50 60Hz Measurement range Resolution Accuracy Pst 10 minutes Plt 2 hours 0 00 20 00 0 01 5 Unbalance Measurement range Resolution Accuracy Voltage unbalance Current unbalance Voltage phase Current phase 0 0 20 0 0 0 20 0 360 0 360 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 5 Voltage transients Measurement range Resolution Accuracy Vpk Vrms Minimum test time Sampling ...

Страница 51: ... system with two transformer windings 2 ELEMENT 3 phase 3 wire system without current sensor on phase L2 B 2 Watt meter method 2 5 ELEMENT 3 phase 4 wire system without voltage sensor on phase L2 B 5 8 General Characteristics Interface USB Host interface Copy saved file to PC from a U disk then analyze it with upper computer software LAN interface For remote control of the Analyzer and measurement...

Страница 52: ...umidity 90 relative humidity Safety Complied with IEC61010 1 Safety Degree 600V CAT IV 1000V CAT III Pollution Degree 2 Maximum voltage at voltage input 600V CAT IV 1000V CAT III Maximum voltage at current input 10V Mechanical Dimension 270mm 190mm 66mm Weight 2 kg Power Adapter input AC 100 240V 50 60Hz Adapter output DC 12V 2A Battery Lithium battery 7 4V 5200mAh Battery operating time 8 hours s...

Страница 53: ...8 CTC0080 AC 50A 10 mV A 0 2 Φ8 CTC0130 AC 100A 1 mV A 0 2 Φ13 CTC1535 AC 1000A 1 mV A 1 0 Φ52 ETCR035AD AC DC 1000A 1 mV A 3 0 30x35 SY 1500A AC 1500A 100 mV 1000A 0 5 1 position error Φ110 PY 3000A AC 3000A 65 mV 1000A 1 0 2 position error Φ160 PY 5000A AC 3000A 50 mV 1000A 1 0 2 position error Φ143 SY 6000A AC 6000A 65mV 1000A 1 0 2 position error Φ250 ...

Страница 54: ...NP45 09 User s Guide 53 Chapter 6 Ordering code ...

Страница 55: ... Zielona Góra Poland tel 48 68 45 75 100 fax 48 68 45 75 508 www lumel com pl Export department tel 48 68 45 75 139 45 75 233 45 75 321 45 75 386 fax 48 68 32 54 091 e mail export lumel com pl Calibration Attestation tel 68 45 75 161 e mail laboratorium lumel com pl NP45 09 ...

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