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IBA PQU-S Manual Download Page 102

 

Manual 

ibaPQU-S

 

 

102

 

Issue 1.3 

 

 

13 

Appendix 

13.1 

Calculating characteristic values 

The characteristic values are calculated as follows: 

13.1.1 

RMS (Root Mean Square) 

 

 

13.1.2 

Rectified value 

 

 

13.1.3 

Peak value 

 

 

13.1.4 

Form factor 

 

 

13.1.5 

Crest factor 

 

 

13.1.6 

Frequency 

 

13.1.7 

Harmonics, interharmonics, phase angle 

Calculation with FFT algorithm 

 

13.1.8 

THD (Total Harmonic Distorsion) 

 

 

Summary of Contents for PQU-S

Page 1: ...Manual Issue 1 0 1 ibaPQU S Power Quality Measurement Unit according to IEC61000 4 30 Ed 3 Class A Manual Issue 1 3...

Page 2: ...emark of the Microsoft Corporation Other product and company names mentioned in this manual can be labels or registered trademarks of the corre sponding owners Certification The product is certified a...

Page 3: ...1 Views 16 7 2 Display elements 17 7 2 1 Operating state L1 L4 17 7 2 2 LEDs L5 L8 17 7 2 3 Status of digital inputs L10 L17 18 7 3 Operating elements 18 7 3 1 ON OFF switch S11 18 7 3 2 Rotary switch...

Page 4: ...odules to calculate characteristic values 48 10 3 1 Grid module 48 10 3 2 EN50160 submodule Power frequency 52 10 3 3 Submodule EN50160 Supply voltage variation 54 10 3 4 EN50160 submodule Flicker sev...

Page 5: ...factor 102 13 1 5 Crest factor 102 13 1 6 Frequency 102 13 1 7 Harmonics interharmonics phase angle 102 13 1 8 THD Total Harmonic Distorsion 102 13 1 9 Flicker 103 13 1 10 Power Energy 103 13 1 11 Vo...

Page 6: ...ivery The documentation of the ibaPQU S system consists of the following manuals ibaPQU S central unit The manual contains the following information Scope of delivery System requirements Device descri...

Page 7: ...consequences and risks on the basis of his her specialist train ing knowledge and experience and knowledge of the standard regulations 1 2 Notations The following designations are used in this manual...

Page 8: ...re injury Warning The non observance of this safety information may result in a potential risk of death or severe injury Caution The non observance of this safety information may result in a potential...

Page 9: ...e voltage Power values active power apparent power reactive power cos electric energy power factor for individual lines and for the total grid Symmetrical components positive negative and zero sequenc...

Page 10: ...puts for 10 V high impedance Current measurement modules ibaMS3xAI 1 100A 3 analog inputs for 1 A AC 100 A DC ibaMS3xAI 5A 3 analog inputs for 5 A AC ibaMS3xAI 1A 3 analog inputs for 1 A AC ibaMS16xAI...

Page 11: ...ly be configured for evaluation The ibaAnalyzer software is used for measurement evaluation and generation of reports Moreover it is possible to create long term trending and clearly structured report...

Page 12: ...TION Observe the safety measures for the I O modules used Strictly observe the operating voltage range Never supply the device with a voltage other than 24 V DC 10 Excess voltage may destroy the devic...

Page 13: ...e ExpressCard 54 34 slot notebook For a list of suitable computer systems with desktop and industrial housings please go to the iba homepage http www iba ag com One FO input card type ibaFOB D firmwar...

Page 14: ...Press the device firmly against the backplane and secure it with the fixing screws 5 Remove the covers of the backplane slots in which you want to plug I O modules 6 Install one or more I O modules to...

Page 15: ...the device with the TX interface of the ibaFOB D card in the ibaPDA computer the TX output X10 of the device with the RX interface of the ibaFOB D card in the ibaPDA computer 3 Once all required cable...

Page 16: ...tal inputs L10 L17 Connector for digital inputs X5 Fixing screws Displays L5 L8 Network interface X22 no function Rotary switches S1 S2 System function pushbutton S10 no function FO output socket TX X...

Page 17: ...ng mode Firmware update active On Controller overloaded L2 Yellow Off No calculation Flashing Calculation running L3 White Off No FO signal detected Flashing FO signal detected configuration error the...

Page 18: ...itch S1 is used to set the device address Two devices can be con nected to a ring using the 32Mbit Flex protocol Device number in the ring structure Position of rotary switch S1 Not allowed 0 1 Device...

Page 19: ...nterface X11 input RX FO receive interface 7 4 2 Network connection X22 Ethernet interface 10 100 Mbit s no function 7 5 Digital inputs X5 7 5 1 Connection diagram pin assignment You can connect eight...

Page 20: ...Off The measured input signal is forwarded directly without filtering Stretch rising edge The first rising edge sets the output signal red to logical 1 and it remains logical 1 for the set debounce ti...

Page 21: ...rising or falling edge Figure 7 Debounce filter Stretch both edges Delay both edges Beginning with the first edge the output signal purple blocks the input and keeps the logical value of the edge for...

Page 22: ...serve the correct polarity 7 6 2 Backup voltage X30 The X30 terminal bottom side of the unit can be used to connect a backup voltage In the dead state the following device function can be backed up FO...

Page 23: ...e grids without neutral conductor and 3 phase grids with neutral conductor N or protective earth PE Figure 9 Different grid types 1 phase grid In the 1 phase grid the voltage U1 and the current I1 are...

Page 24: ...X Form factor1 X X X X X X X X X X X Crest factor1 X X X X X X X X X X X Frequency2 X X X X X X X X X X X X X Phase angle6 X X X X X X X X X X X Harmonics1 X X X X X X X X X X X X Interharmonics1 X X...

Page 25: ...X Zero sequence component1 X X X X X X X X X Supply voltage unbalance negative sequence component 1 X X X X X X X X X Supply voltage unbalance zero sequence component 1 X X X X X X X X Flicker P_inst5...

Page 26: ...to be processed in the modules This chapter describes the associated effects 8 5 1 Sampling rate To calculate the power quality parameters the ibaPQU S central unit samples the input signals in synch...

Page 27: ...No Analog None 0 Analog filter with fc 12 25 kHz 0 04 to 0 08 ms Analog filter with fc 12 25 kHz and digital filter with settable fc Depends on fc No Digital None or debouncing in mode stretch rising...

Page 28: ...ssue 1 3 In this context the range of the set signal in the network definition is irrelevant the algorithm described above will always be used For signals captured as raw signals the range settings in...

Page 29: ...d applying the voltage to the central unit ibaPQU S rec ognizes the modules and checks the software version ibaPQU S has a so called overall release version This version contains the current software...

Page 30: ...nown so far and the associated software versions If a module is not yet known i e it is more recent than the central unit s firmware version it will be ignored and not displayed in ibaPDA In this case...

Page 31: ...for data acquisition on the left to 1 ms 2 Look for the corresponding link of the iba FOB D card to which ibaPQU S is con nected in the I O Manager Right click the link to open a submenu Select Autode...

Page 32: ...to the address link 1 15 under the device set at the device with the S1 rotary switch Position 1 F corresponds to address 1 15 6 Click Read configuration from device on the General tab The connected m...

Page 33: ...used as the reference signal 10 To measure or calculate the power quality characteristic values ibaPDA provides special modules In the Grid module you can make general settings define the grid type 1...

Page 34: ...asurements according to a defined standard click the link Click to configure standards and select the desired standard By selecting the standard all characteristic values required for measurement and...

Page 35: ...wer frequency power frequency interval 10 s EN50160 Supply voltage variation RMS value voltage interval 10 min EN50160 Flicker severity long term flicker Plt per phase interval 2 h EN50160 Supply volt...

Page 36: ...e power fundamental reactive power distorsion power peak power active energy apparent energy reactive energy fundamental reactive energy distortion energy power factor cos phi Values for the overall g...

Page 37: ...ent values for currents positive negative zero sequence component phase angle of the positive sequence component negative sequence compo nent and zero sequence component Commutation notches depth of n...

Page 38: ...ase x EN50160 Supply voltage unbalance Calculation of the voltage balance for the negative sequence component x Basic Frequency reference signal x x RMS value peak value rectified value frequency all...

Page 39: ...asurements 10 2 Basic modules in I O Manager 10 2 1 PQU S General tab Figure 12 PQU S basic module General tab Basic settings Module type Display of the module type read only Locked A locked module ca...

Page 40: ...cessful the measurement is restarted automatically with the en abled module If this option is not enabled ibaPDA will not start the measurement if it cannot establish a connection to the device Power...

Page 41: ...f the input modules and of all configured Grid modules and the analog status signals of ibaPQU S with their actual values Figure 13 PQU S module Analog tab 10 2 3 PQU S Digital tab The Digital tab is...

Page 42: ...rsion as well as the serial number of the central unit and of the connected modules Write firmware This button allows running firmware updates Select the update file pqu_v xx yy zzz iba in the browser...

Page 43: ...after confirming the fol lowing prompt with yes The following message is displayed and the device reinitializes automatically with the deleted I O settings Subsequently run the Autodetect function aga...

Page 44: ...in ascending order but can be changed by the user 10 2 6 ibaPQU S Digital tab Figure 17 PQU S module Digital tab Name Here you can enter a name for the signal and two additional comments if you click...

Page 45: ...nt interval Data correct All data transmitted correctly for different measurement intervals PLL unlocked Synchronization with reference signal failed for different measurement intervals ADC error Cent...

Page 46: ...ng the PQU S module and selecting Diagnose from the context menu Figure 19 Diagnostics module General tab Basic settings Module Type Locked Enabled Name Module No Use name as prefix see chapter 10 2 1...

Page 47: ...al Meaning Hardware state X Module on slot X is OK Hardware available X Module on slot X was detected and initialized properly Embedded application state Embedded application is currenty available Emb...

Page 48: ...ings See PQU S module General tab chapter 10 2 1 Configuration Inputs Select the grid type from the dropdown menu Depending on the grid type the input measurement signals required for the grid type ar...

Page 49: ...e not assigned to any signals the central unit will calculate the signals and use them for the further calculations If signals are assigned they will be the basis for calculations Nominal voltage The...

Page 50: ...ents TRUE all current values are calculated additionally If Only voltages are selected under Measured values the Enable currents op tion is not available Configure limit profiles Here you can create a...

Page 51: ...hreshold values you can set the decision limit from which the corre sponding event can be recognized The hysteresis sets the point of time when the event can be considered as terminated Using the chec...

Page 52: ...nd confirms compliance with the standard If individual signals are disabled the display changes to Partially compli ant on a white background This tab is only displayed if you have configured the EN50...

Page 53: ...alog tab Figure 24 EN50160 submodule Power frequency Analog tab Note All Analog tabs display the signals calculated in the corresponding submodule It is not possible to delete signals or add new signa...

Page 54: ...10 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measurement interval Here Supply voltage variation acc to EN50160 10 min You can...

Page 55: ...ou can enable or disable the signal 10 3 4 EN50160 submodule Flicker severity General tab Figure 27 EN50160 EN50160 submodule Flicker severity General tab Basic settings See Power frequency submodule...

Page 56: ...e assigned by default To allow an unambiguous identification they contain the input channel the characteristic value and the measurement interval Function Calculation function used by ibaPQU S Input T...

Page 57: ...tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measurement...

Page 58: ...are assigned by default To allow an unambiguous identification they contain the input channel the characteristic value and the measurement interval Function Calculation function used by ibaPQU S Inpu...

Page 59: ...0 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measurement interval Here Harmonic voltage acc to EN50160 10 min You can enable o...

Page 60: ...standard only takes harmonics 1 40 into account In the signal display the signals are grouped by input Click the sign before the group name to show the signals of a group Name The names are assigned...

Page 61: ...neral tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measu...

Page 62: ...ond measurement intervals In the signal display the signals are grouped by input Click the sign before the group name to show the signals of a group Name The names are assigned by default To allow an...

Page 63: ...ncy submodule General tab chapter 10 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measurement interval Here Voltage events acc t...

Page 64: ...he input channel the characteristic value and the measurement interval You can additionally assign two comments by clicking the icon in the signal name field Function input unit Displays the correspon...

Page 65: ...or each input Phase angle form factor crest factor measurement interval 200 ms In the signal display the signals are grouped by input Click the sign before the group name to show the signals of a grou...

Page 66: ...S 66 Issue 1 3 10 3 10 Phasor submodule General tab Figure 39 Phasor submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Analog tab Figure 40 Phasor submodul...

Page 67: ...grouped by input Click the sign before the group name to show the signals of a group Name The names are set by default but can be edited To allow an unambiguous identifi cation they contain the input...

Page 68: ...hasor or Basic module from the signal tree on the left onto the display Figure 41 Display in the phasor diagram Filled arrowheads RMS value of voltage in the corresponding phase angle Empty arrowheads...

Page 69: ...r submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Configuration Enable distortion power Set this option to True if you want to activate the calculation of...

Page 70: ...grid without N PE the above values are also calculated for the overall grid with the exception of cos phi and peak value Name The names are set by default but can be edited To allow an unambiguous id...

Page 71: ...Manual Issue 1 3 71 Figure 44 Display in the phasor diagram 10 3 12 Spectrum submodule General tab Figure 45 Spectrum submodule General tab...

Page 72: ...ase calculation The corresponding phases for the harmonic values are also calculated Interference factor Different calculation types can be selected for an interference factor Type TIF acc to IEEE Std...

Page 73: ...fundamental frequency i e divided by this value This corresponds to the relative values in ibaPDA how ever without the factor 100 for percent Hn RMS All harmonics are normalized to the RMS value i e d...

Page 74: ...hannel and the characteristic value You can additionally assign two comments by clicking the icon in the signal name field Function order unit Displays the properties Active Here you can enable or dis...

Page 75: ...the rotation direction Angle of the negative sequence component Phase shift of the negative sequence component percentage of U1 compared to the reference signal Zero sequence component Percentage of v...

Page 76: ...e visualized using the phasor diagram Click the button on the ibaPDA toolbar to display the phasor diagram Hold the mouse button down and drag the Unbalance module from the signal tree on the left ont...

Page 77: ...amp model to be used 230V or 120V has to be speci fied Flicker input Only voltages For the calculation only voltages are being used Only currents For the calculation only currents are being used For t...

Page 78: ...icker level Pst U Flicker severity V Plt Flicker value according to a cubic average of Pst values Name The names are set by default but can be edited To allow an unambiguous identifi cation they conta...

Page 79: ...method For the standard update intervals 200 ms 3 s 10 s 10 min 2 h the aggre gation method is listed in the table Calculated characteristic values in chap ter 8 2 For the update interval Custom the a...

Page 80: ...wn menu Enter the amount number of units as an integer value into the field The defined amount and the unit determine the measurement interval and auto matically the name of the module Mode Custom Sel...

Page 81: ...fined in the submodules are listed in the Analog tab Figure 53 Aggregation submodule Analog tab Name The names are assigned by default To allow an unambiguous identification they contain the input cha...

Page 82: ...lly assign two comments by clicking the icon in the signal name field Function Select the characteristic value to be calculated from the dropdown menu Phase Peak value The calculations applicable to t...

Page 83: ...ng in the Aggregation submodule With a 200 ms interval exactly 10 periods are measured in 50 Hz grids and 12 periods in 60 Hz grids equivalent to exactly 200 ms With user defined power frequencies 10...

Page 84: ...anual ibaPQU S 84 Issue 1 3 10 3 16 Commutation notches submodule General tab Figure 55 Commutation notches submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3...

Page 85: ...tab Signals Depth of notch per phase in percent 10 3 17 Events submodule General tab Figure 57 Events submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 You...

Page 86: ...e event start Duration Duration of the event Min Max Minimum maximum voltage value Delta Umax Delta Uss Delta Umax RMS value that was furthest from the floating average Delta Uss Difference between Us...

Page 87: ...al Issue 1 3 87 Digital tab Figure 59 Events submodule Digital tab The listed signals here are True as soon as the corresponding event is pending Thus a simple triggering to the pending event is possi...

Page 88: ...it only Displays 4 LEDs for operating status of the device 8 LEDs for status of the digital inputs Operating and environmental conditions Cooling Passive Operating temperature 0 C 50 C Storage and tra...

Page 89: ...rent settings Input signal 24 V DC Max input voltage 60 V permanent Signal level log 0 Signal level log 1 6 V 6 V 10 V 10 V Input current 1 mA constant Debounce filter Optionally with 4 operating mode...

Page 90: ...cs Interharmonics THD TIF Mains signalling Power energy Power energy VA Power energy VAr Fundamental reactive power energy Power factor Cos Positive negative zero sequence component Unbalance Flicker...

Page 91: ...Manual Issue 1 3 91 11 5 Dimensions ibaPQU S Dimensions in mm Figure 60 Dimensions of ibaPQU S Dimensions in mm Figure 61 Dimensions of ibaPQU S with cables...

Page 92: ...Manual ibaPQU S 92 Issue 1 3 Distance between two ibaPQU S systems Dimensions in mm Figure 62 Minimum distance between two ibaPQU S systems...

Page 93: ...Manual Issue 1 3 93 ibaPQU S and backplane Dimensions in mm Figure 63 Dimensions of ibaPQU S with backplane...

Page 94: ...Manual ibaPQU S 94 Issue 1 3 Mounting plate 19 Dimensions in mm Figure 64 Dimensions of 19 mounting plate...

Page 95: ...ane ibaPADU S B4S with mounting angles Dimensions in mm Figure 65 Dimensions of ibaPADU S B4S with mounting angles Backplane ibaPADU S B1S for one central unit and one module Dimensions in mm Figure 6...

Page 96: ...Manual ibaPQU S 96 Issue 1 3 Dimensions in mm Figure 67 Dimensions of ibaPADU S B1S equipped Backplane ibaPADU S B for one central unit Dimensions in mm Figure 68 Dimensions ibaPADU S B...

Page 97: ...tal inputs X5 Pin Connection 1 Digital input 00 2 Digital input 00 3 Digital input 01 4 Digital input 01 5 Digital input 02 6 Digital input 02 7 Digital input 03 8 Digital input 03 9 Digital input 04...

Page 98: ...nt included ibaPADU S B1S Order number 10 124002 Backplane module with mounting angles for 1 I O module W x H x D 99 mm x 247 mm x 27 mm ibaPADU S B Order number 10 124001 Mounting plate with DIN rail...

Page 99: ...ibaPQU S left and right Fitting equipment included Module carrier for ibaPADU S modular system Order number 10 124007 Module carrier for 1 backplane with ibaPADU S B4S Terminal blocks 16 pin RM 5 08...

Page 100: ...150 16 analog outputs 10 V ibaMS16xAO 20mA 10 124160 16 analog outputs 20 mA ibaMS16xDO 2A 10 124250 16 digital outputs 2 A ibaMS32xDO 24V 10 124260 32 digital outputs 24 V ibaMS16xDIO 24V 10 124220 1...

Page 101: ...240 30 620480 Online data capturing system For up to 1024 signals For up to 2048 signals ibaAnalyzer 33 010400 Offline and online analysis software with free license for analyzing dat files generated...

Page 102: ...characteristic values are calculated as follows 13 1 1 RMS Root Mean Square 13 1 2 Rectified value 13 1 3 Peak value 13 1 4 Form factor 13 1 5 Crest factor 13 1 6 Frequency 13 1 7 Harmonics interharmo...

Page 103: ...13 1 9 Flicker Short term Flicker algorithm Long term 13 1 10 Power Energy Two conductors per phase Active power Apparent power Total reactive power Fundamental reactive power Distorsion reactive pow...

Page 104: ...l ibaPQU S 104 Issue 1 3 Three conductors Active power Apparent power Total reactive power Fundamental reactive power Distorsion reactive power Power factor Cos Pro Phase Total grid no calculation pos...

Page 105: ...ctive power Apparent power Total reactive power Fundamental reactive power Distorsion reactive power Per phase Total grid Power factor Cos Per phase Total grid no calculation possible Neutral conducto...

Page 106: ...id the arrows of the respective phase are located directly over each other Name Meaning U RMS value of the phase U Percentage of the positive sequence component U Percentage of the negative sequence c...

Page 107: ...nd consist of an amount and an angle Negative sequence unbalance Zero sequence unbalance 13 1 12 Interference factor TIF THFF f1 Nominal power system frequency 50 Hz or 60 Hz Factorn Weighting factor...

Page 108: ...Manual ibaPQU S 108 Issue 1 3 13 1 13 Commutation notches Commutation notch voltage drop peak value of the fundamental wave of the rated voltage...

Page 109: ...tart Current time start_time in seconds while the event is running Voltage swell Duration Previous duration of events in seconds while the event is running Voltage swell Max Maximum half period RMS va...

Page 110: ...or Floating_average limit Rapid voltage change Start Current_time start_time in seconds Rapid voltage change Duration Duration of the event in seconds Rapid voltage change Delta Umax Maximum deviation...

Page 111: ...ed to the ibaPQU S system If the values voltage and current to be measured are higher appropriate instrument transformers need to be used Important note The cabling always needs to be carried out by a...

Page 112: ...ry side also needs to exist on the secondary side The instrument transformers also need to offer a broadband frequency transmission in order to capture harmonics or interharmonics up to the 50th harmo...

Page 113: ...Manual Issue 1 3 113 Figure 74 Example of 1 phase measuring with a Rogowski coil or a current clamp...

Page 114: ...d types 23 Grounding 14 H Harmonic 35 36 I I O Manager 30 I O modules calculation of power quality parameters 10 Interharmonic 36 Interharmonics 35 IP address via FO 39 M Measurements 24 N Nominal fre...

Page 115: ...Manual Issue 1 3 115 15 Certificate...

Page 116: ...serial number iba S N of the product Contact Headquarters iba AG Postfach 1828 DE 90708 F rth Phone 49 911 97282 0 Fax 49 911 97282 33 E Mail iba iba ag com Kontakt Mr Harald Opel Shipping address iba...

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