Brochure LMG500
Contents
1. 0 5 1 0 0 4 0 8 0 8 1 0 100kHz 1 f 100kHz 1 1 0 8 1 0 0 72 0 9 0 72 0 9 100kHz 1 f 100kHz 1 0 72 0 9 0 64 0 8 0 8 1 0 0 8 1 0 0 72 0 9 0 72 0 9 0 72 0 9 0 64 0 8 in the ranges from 10A to 32A Itrms 30pA A2 f 1MHz 1 2 1MHz 1 2 f 1MHz 0 7 1MHz 1 5 f 1MHz 1 f 1MHz 2 f 1MHz 1 f 1MHz 2 f 1MHz 0 7 1MHz 1 5 f 1MHz 3 2 f 1MHz 2 5 f 1MHz 0 7 1MHz 1 5 f 1MHz 3 2 1MHz 2 5 f 1MHz 3 f 1MHz 2 3 f 1MHz 1 4 f 1MHz 1 8 f 1MHz 1 5 1MHz 1 4 f 1MHz 1 4 f 1MHz 2 f 1MHz 1 12 1MHz 1 5 1MHz 1 12 f 1MHz 1 5 4 definition of power range as the product of current and voltage range 0 lt A lt 1 A power factor P S 5 calibration interval 12 months Other values All other values are derived from the current voltage and active power values Accuracies for derived values depend on the functional relationship e g S I U AS S AI I AU U All current and voltage inputs isolated against each other against remaining electronic and against earth max 1000V CAT III resp 600V CAT IV The measurement is synchronized on the signal period There is a choice to determine the period from line extern u t i t as well as their envelopes combined with settable filters By this very stable readings are achieved even at signals of pulse width modulated frequency inverters and amplitude modulated electronic ballasts Harmonic analysis for Measurin2. 8 channel analyzer LMG500 8 or connect two LMG500 4 to collaborate like one device all channels operate always with gapless synchronized sampling at 3 Msamples s for each channel The examples below demonstrate characteristic measuring tasks which require 8 power measuring channels Determination of efficiency in complex systems Li l e I3 L 101010 adi N Uninterruptible power supply with intermediate DC link 30 3 Wire 30 3 Wire Wind generators without gear box and exten 2 Watt Meter 2 Watt Meter ded range for the revolution speed By kee ping the frequency for the stator fixed and by varying the rotor frequency the double fed 30 3 Wire Protor 30 3 Wire asynchronous generator works with high 2 LENE meder 2 Watt Meter efficiency at very different wind speeds Pstator P mains Stator power rotor power mains power and mains specific inverter power each measured with the two watt meters Aron circuit Measurements with defined phase references A three winding transformer with two output Mains Rectifier coils electrically shifted by 30 feeds two T 6 pulse rectifiers In doing so the primary winding suppresses harmonics e g the 5th r OIO j 7th 17th and 19th u1 The power measurement channels are config Np O ured as two groups with channels 1 and 5 in l U1 Ol Z parallel This defines for all measurement channels the same phase reference and allows precise measurements for these kinds of spe
3. CONTROL ranges up to 1MHz The fundamental can be user defined from 0 07 Hz to 1MHz Energie a _ Ag ae i Horr Hote AA ui Moos FII n a Seript New Hen A P ferrit 49 6553m Watt B pk 3 41885 m Tesla H pk 1 41337 Asm ur amplitude 1 92848 k PF 8 28518 F 1 46862 HHZ Custom menu with numerical results Bpk Hpk can be generated With the high per formance script editor the respective curve points are calculated measuring cycle by mea suring cycle Please refer also application note no 108 Pro grammer s Guide and no 109 Measurement of magnetic characteristics of transformer cores and coil materials at www zes com The on board power supplies of modern large scale aircraft use power distribution systems with frequencies of up to 800Hz Basic standards like EUROCAE ED 14D and ABDO100 1 8 have been created to define limit values Fundamental fre quencies from 360 Hz to 800 Hz must be assessed by their harmonics in ranges up to 150 kHz Clustered measurement channels each with independent synchronization Up to eight power measurement channels each of them sampling absolutely synchro nously with 3MSamples s are possible with e a coupled second device or e the compact 8 channel meter LMG500 8 The current and the voltage paths of the power measurement channels are all isolated against each other and against earth The channels are arranged in
4. P Q und S order no L50 08 Current voltage and power are analyzed up to 50kHz with a fundamental bet ween 0 1Hz and 1 2kHz Evaluation of Event triggering order no 150 05 Set trigger conditions are evaluated during the normal measuring mode When a trigger condi tion is met the scope display will be frozen shown as Finish in the status bar The nor mal measuring proceeds without any interrup tion and continues to evaluate all sample values For the sample values u i p from diffe rent measuring channels up to four trigger conditions 11 T2 T3 T4 can be defined and logically linked A trigger condition can be that a value is larger or smaller than a limit or inside outside of a window for an event dura tion of 330ns up to 10 s The fast sampling captures all peaks and dips For pre and post event analysis up to 2 million samples around the event can be transmitted via the data inter face and processed with external software interharmonics is made possible by dividing the given fundamental to a lower one using it as refe rence For the harmonic analysis up to 1 MHz an external PC is recquired CE harmonics order no L50 09 Compliant to measurement device standard EN 61000 4 7 up to the 40th harmonic for currents up to 16A in compliance with EN 61000 3 2 and for currents from 16A to 75A in compliance with EN 61000 3 12 DSP modules order no L50 010 Required for some other options
5. ie Lem ime Ce Lice De j sam r5 EAN ba Aii aui LEW pi LED p ee O HLN a 1 L i a Oo amined Condition menu for event triggering Star to delta conversion for 3phase 3wire systems order no 150 06 In 3phase 3wire systems usually only the line to line voltages U12 U23 and U31 and the line currents I1 I2 and I3 are available for measurement With the star to delta conversion option the line to line voltages can be converted to the not directly available phase voltages line to neutral voltages of the star connected load and the related active powers can be revealed Likewise the line currents can be converted into the linked currents line to line currents of a delta connected load From those calcula ted linked values other magnitudes like the harmonics are deduced The star to delta conversion works correctly even under circumstances such as unbalances of grid or load and distorted wave forms Dam ee Shi fi TIE U 1a 1 TF ear ii Tii i Calculated values linked values of the star connected windings wiring 3 1 UA I gt U I Adapter for incremental rotary encoder order no 150 18 Pulses of an incremental rotary encoder signal u2 in cyan are transformed into a proportional voltage with the adapter L50 Z18 positive negative voltage for forwards backwards and are connected to the LMG500 measuring input here the Isensor input In the example on the right the status bar sh
6. up to 4 groups see table channels 1 to 4 device 1 into groups A and B and channels 5 to 8 device 2 into groups C and D The synchronization source internal external or line and the setup are for each group independently configurable Channel no Group formation 46 4Wire 46 5Wire Possible 1 2L 1 2L 1 2L wiring in 30 3Wire the groups 30 4Wire A to D 40 4Wire 30 3L Aron 2 3L 3 3L Aron 20 3L 3 3L Aron 2 3L 30 3L Aron 2 3L 1 2L The settings of groups A and B for certain wirings are independent to the settings of Menu to compensate the delay time of external sensors Currents gt 30A are measured with external sen sors For currents of more than 100A wideband gt 100 kHz current transducers e g of the type PSU are used The error caused by the group delay of the current transducer can be compensated with the assistance of the delay time menu by inserting the necessary time adjustment By doing so the precision of the power measurement can be kept on a very high level especially at low power factors An outstanding tool with an easy to use menu a Q123 Es Bensesito dlns odl ns a 18 P U PF B 8403KW 8 84799 B 8452 KW 8 85418 H i 6 8379 kU 8 64857 H 8 6888 ki Delay time menu with compensation values for I in phase 1 2 and 3 CE compliance test systems Standby power The ZES ZIMMER CE Test Standby test software in combination with the LMG500 offers monito
7. 13m 625m 125 25 Input impedance 710mQ 84mQ 27mQ 8 4mQ 100mQ Sensor inputs Usensor Sensor Nominal value V 30m 60m 120m 250m 500m 1 2 4 Maximum trms value V 37m 75m 150m 300m 600m 2 25 5 Maximum peak value for full scale V 62m 125m 250m 500m l 2 4 8 Input impedance 100kQ 34pF Measuring accuracy Voltage 0 02 0 06 0 02 0 03 0 01 0 02 0 02 0 03 0 03 0 06 0 1 0 2 0 5 1 0 0 5 1 0 USensor 0 02 0 06 0 015 0 03 0 01 0 02 0 015 0 03 0 03 0 06 0 2 0 4 0 4 0 8 0 4 0 8 wees 7 A 5 0 02 0 06 0 015 0 03 0 01 0 02 0 015 0 03 0 015 0 01 0 028 0 03 0 048 0 06 T 20mA 5A T 10A IHF ISensor U T 20mA U T 10A U IHF U ISensor 32A 5A 32A USensor I 20mA 5A USensor I 10A USensor IHF USensor ISensor 32A Additional measurement uncertainty Accuracies based on of measuring value of measuring range DC 0 05Hz 45Hz 45Hz 65Hz 65Hz 3kHz 3kHz 15kHz 15kHz 100kHz 100kHz 500kHz 500kHz MHz 1MHz 3MHz 3MHz 10MHz 0 032 0 06 0 028 0 03 1 sinusoidal voltage and current 2 ambient temperature 23 3 C 0 024 0 03 3 warm up time 1h 0 03 0 06 0 1 0 2 0 03 0 06 0 03 0 06 0 104 0 13 0 048 0 06 0 048 0 06 0 048 0 06 0 104 0 13 0 048 0 06 0 048 0 06 0 24 0 3 0 32 0 4 0 24 0 3 0 24 0 3 0 32 0 4 0 40 0 5 0 32 0 4 0 32 0 4 0 5 1 0 f 100kHz 0 8 100kHz 1 2
8. 24Bit 10V 8 analog outputs 14Bit 10V 8 digital inputs 8 digital outputs 2 inputs for frequency 0 05Hz 6 MHz and rotation direction In and outputs are isolated against other electronics test voltage 500V Remote control Output data Transfer rate Processing signal interface option L50 03 Other data Dimensions weight e Bench case 1 to 4 channels W 433mm x H 148mm x D 506mm about 12 kg e Bench case 1 to 8 channels W 433mm x H 283mm x D 506mm about 23 kg Accessories brackets for 19 rack 84PU 3HU D 464mm EN 61010 IEC 61010 VDE 0411 protection class I IP20 in accordance to EN 60529 EN 61326 cee MOC 220 ge SEU Protection class Electromagnetic compatibility Operating storage temperature Climatic class Normal environment conditions according to EN 61010 Power supply 100 240V 50 60Hz max 150W 4 channel device respectively max 300W 8 channel device Please refer to the LMG500 user manual for all technical data 11 Measurement Accessories and Extensions Plug N Measure current sensors for extended current ranges up to 5000A For detailed specifications please refer to the ZES Sensors and Accessories manual Precision high voltage divider Adapter for 3 phase measurements Order no LMG MAK3 M n motor torque software Order no L50 016 PC software Order no LMG CONTROL B Order no LMG CONTROL WA Calibration Order no KR L50 B KR L50 CHN
9. Calibration and service package for extended warranty Order no L50 KSP 0 8A to 5000A 5A to 1500A 0 3A to 3000A 10A to 1000A 0 3A to 2000A 1 Precision current transducer 0 02 DC to 1MHz 2 Precision AC current transformer 0 02 to 5kHz 3 Clamp on current sensor 0 15 to 50kHz 4 Wideband current transformer 0 25 to 1MHz 5 Hall effect current sensor 0 30 to 200kHz Example to 1 Precision current transducers PSU700 L50 for 700A Example to 2 Example to 4 Wideband current transformer LMG Z601 for 100A 30Hz to 1MHz Example to 5 for 3 6 9 12kV DC to 300kHz base accuracy 0 05 Negligible phase error therefore best suited for wideband power measuring 1 channel HST for single ended voltages 2 channel HST for floating voltages difference measuring 3 channel HST for three phases systems inverters e Socket for supplying the meter LMG500 LMG450 e 4mm safety sockets as measuring access to current and voltage e Safety acc IEC 61010 300V CAT III e CEE Plug 5 pins 16A 2m supply cord e CEE Socket 5 pins 16A for EUT Torque and speed directly calculated from the current and voltage at a motor compliant to the IEC standard that is powered by a frequency inverter or directly by a 3 phase net Accuracy better than 2 of nominal value of torque respectively rotation speed Configurable with plugin in software LMG CONTROL To configure power analyzers recording and storage of samples
10. Wi OO t cial rectifier transformers with nx30 shifted phase angles o O 8 channel measurement at 12 pulse rectifier transformer 8 power measurement channels plus auxiliary inputs for rotation and torque Optimization of the energy management of 2 Recuperation of the braking energy back hybrid automotive drives by analyzing the into the battery power flow in various operation modes and 3 Recharging of the battery by the conditions combustion engine 1 The car is moved by the combustion An LMG500 8 with its 8 power measurement engine with or without receiving an addi channels and the process signal interface for tional boost from the inverter fed torque and speed captures all data synchro 3 phase electrical machines M1 and M2 nously to precisely determine the efficiency Ta MU Mae Mil mime A sims sm sms iii TOA wi sii Me 3 Phases 3 Phases 10 2Wire 30 3Wire 1 Watt Meter Inv 1 3 Watt Meter FM frersnisonf L PNENENENO Sos l A gt gt 4 _ wr Accu 19 2Wire 30 3Wire 1 Watt Meter Inv 2 3 Watt Meter Measuring different drive modes in a hybnd car H T P Ii I Eme l feu 11 il MERSI mE mime i Hybrid automotive drives of each component Additional trigger inputs and outputs not shown in the diagram allow the synchronization with other instru ments in large test environments TOS TT UOT WL HNN tM TLL cae E TTT
11. Z gt ZIMMER i a Poe ie a gt ae z oe 7 a prn ma a 5 AV g i r i i l ee ee y d 4 d Precision Power Analyzer 1 to 8 Channels DC 10 MHz Accuracy 0 025 ae ans wlll Ebaneat Frecion Powel Melee To develop test and optimize E machines frequency inverters transfomers power electronics power supplies lighting Base accuracy of power 0 025 0 015 of reading 0 01 of range Bandwidth from DC and 0 05 Hz up to 10 MHz Absolutely gapless sampling All samples being processed to capture all inrush currents signal spikes or drop outs Harmonics and interharmonics of up to 50 kHz in realtime up to 1MHz post processed LMG500 de 04 2012 2 LMG A Synonym for Precision Power Measurement e Power grids and consumers to determine interactions e Components e g ferrite cores semiconductors capacitors Precision Power Meters German Prazisions LeistungsMessGerate of the series LMG by ZES ZIMMER LMG95 for single phase LMG450 and LMG500 for multiphase measurements are well known world wide and have been proved invaluable in industrial applications R amp D and education The character string LMG has thus become a synonym for precise and wideband measurement of electrical power All variables linked with electrical power like current vol tage harmonics flicker and energy are also pre The most important features
12. a small fraction opti mizing the energy production under changing weather conditions The LMG500 tracks such changes precisely High frequency signals exactly determined Vr copes lot ue GENI aee Record vate 1000 TEER f TE edidi Extra high current peaks at simultaneous switching edges ao i ke dA Mhi tt z li ipa l plic l SIE 1 ee J Iar aard taie 807 E bw 280 0 iiri iL deias eii A ed o Voltage at inverter output as well as voltage and current at motor with long connection cables tr ee Pe ere fee Seript Nurs ew menu TT Ipp 2 2 94279 A 2 77965 A Mtaa A BIZZY A H THUTH A ALMA HZ 118986 war 121 723 00 APRA U LAS U 126 9130 Easy to recognize The peak value Upp doubles Versatile and Flexible for Many Applications Exe Graph t j HEHE AY Bt ES Voltage current and effective power highly precise without range switching Power electronics Inverters Due to the high bandwidth of 10 MHz high frequency current peaks at the frequency inverter output can be successfully sampled The combination of 4 measuring channels exact ly determines the efficiency of an inverter Each switching edge is the cause for a tran sient current peak being conducted through the coil capacitance The custom display shows that Ipp is a magnitude higher than Itrms Voltage peaks through reflection may occur on long connection cables bet
13. age fluctuation for currents up to 75A in compliance with EN 61000 3 11 The system consists of e ZES ZIMMER power analyzer LMG500 e AC source optionally the customer may use own sources e reference impedance for EN 61000 3 3 e standards compliant measuring and analysis software e PC or notebook Delivery turnkey in a 19 cabinet or as hardware software package for system integration by the customer Please refer to the detailed product description for both products at www zes com 9 10 Options and Accessories for the LMG500 IEEE488 interface order no L50 01 Interpre tation of the complete SCPI as well as the LMG500 specific command set The data transfer rate is up to 1MByte s USB interfaces order no L50 O2USB Front side USB A interface for the connection of a memory stick and back side USB B interface for data transfer and remote control software Processing signal interface digital and analog in and outputs order no L50 03 For monito ring additional process parameters like rotation Speed torque etc With assistance of the script editor variables like e g the efficiency can be calculated and output as control values to other devices Flicker meter order no L50 04 Compliant to EN 61000 4 15 Evaluates voltage fluctuations induced by currents of up to 16A in compliance with EN 61000 3 3 or by currents of up to 75A in compliance with EN 61000 3 11 Harmonics up to 99th for U I
14. ct current sensors L50 Z29 Hall for 50A to 1000A Example to 3 Clamp on current sensor L45 Z06 for 40A 5Hz to 20kHz j ZIMMER Electronic Syafante United States subsidiary ZES ZIMMER Inc 44 Grandville Ave SW Suite 360 Grand Rapids MI 49503 4064 usa zes com 1 760 550 9371
15. g of current and voltage with evaluation in full compliance with EN 61000 3 2 12 CE compliance option L50 09 measurement according to EN 61000 4 7 Harmonic analysis up to Analysis of current voltage incl phase angle and power up to 99th harmonic in total 100 harmonics including DC component Fundamental in the range from 99th harmonic option L50 08 0 1Hz to 1 2 kHz Analysis up to 10 kHz 50 kHz without antialiasing filter By integer divider 1 128 a new reference fundamental can be created to detect inter harmonics Externally on PC up to 1MHz with LMG CONTROL software UMUC RA Flicker meter according to EN 61000 4 15 with evaluation in full compliance with EN 61000 3 3 11 Transients option L50 05 Detecting and recording of transients gt 330 ns Scope function standard Graphical representation of sample values versus time Plot function standard Time trend diagram of max 4 readings minimal resolution 50 ms respectively 10 ms in 50Hz half wave flicker mode Computer interfaces RS232 standard und IEEE488 2 option L50 01 additional USB 2 0 Type B option L50 02USB Ethernet RJ45 option LMG50 02ETH Only one interface can be used at the same time All functions can be remote controlled keyboard lock for measuring parameters Output of all readings data formats BIN ASCII SCPI command set RS232 max 115200 Baud IEEE488 2 max 1MByte s 2 x 25 pin SUB D socket with 8 analog inputs for process data 24Bit 10V
16. he instrument with the standard factory settings is already fully sufficient for this kind of measurements Additional options or adjustments are not ne cessary If needed however a calibration pro tocol order no KR L50 LPF to confirm the measurement accuracies at power factors in the range of 0 01 is available on request Usually current or voltage transducers are used for measuring power transformers The phase angle error of these transducers can be com pensated in the delay time menu see p 9 improving the accuracy of the measurement A number of standards like IEC 60076 1 define the calculation of the corrected power With the build in formula editor this is easily being performed du dt Filter 2 1s Chokes Transformers Ultrasound L L voltage U4 before the filter voltage U1 across the filter and filter input current I1 du dt Filter 3 Power loss by difference measurement before and behind the filter voltage er group delay between t and current channel the power consumption is calculated correctly despite these challenging signals Be Tees a Lighting technology A Custom menu with numerical results 5 6 LMG500 Compact with up to 8 Channels For some complex measuring situations 4 power measuring channels do not suffice and therefore the LMG500 with its up to 8 channels is the superior choice Regardless whether you use the compact
17. is status report is particu larly useful for remote diagnosis for the user and the ZES ZIMMER support team The wave form analysis module order no LMG Control WA extends the LMG with valuable fea tures like frequency analysis and harmonics of up to 1MHz as well as the calculation of electrical values within an adjustable frame and the dis play of transients with a resolution down to 330 ns Fingoi Ji m pni Pa pran Prd Papi Mi jia Gji H i 3 AE aa Td THe pri bie Sh pagnon i plage E am x Ft in ae kep HF i aai ii A a Ti Te Eg HERE JF b pele y mierim volt Abi asai gt ey s Wb here Liig TER wring Lek EIHAR Y Bim iry Fug Tria piga i Bii oF lis F iPad mak L ri jE 61 Hon Mega Fagin bapa of rma rat or 7 TF Heed as gt Monin CF E a age Py Lh fi ai E a ae mnn F Takle F gia I Loni can amp E i L I oS ZIMMER Ce a eri HFH PL 3 LMG500 The high nominal accuracy of 0 025 allows for correct measuring of very low currents in the 32A range This is essential in test envi ronments which do not allow for measuring gaps which inevitably occur when changing the measuring range To operate a solar generator at its power gene rating optimum the maximum power point tra cker MPPT varies the input resistance of the MPPT converter unit matching the inner resis tance of the photovoltaic cell The resistance is continously changed by
18. of the LMG500 cisely determined for optimizing products in are efficiency reliability electromagnetic compa tibility EMC and life cycle costs Another application field are CE compliance tests on devices analyzing the feedback of harmonics and flicker load variations and standby power consumption e Wide dynamic measuring range from 3V to 1000 V 3200Vpeak 20 mA to 32A 120 Apeak in direct measurement only by a single pair of sockets for each voltage and current input e Modular with 1 to 8 power measuring channels e Measuring accuracy at 45 to 65 Hz 0 015 of reading plus 0 01 of range The LMG500 is best in class for measurements at Devices e g E machines frequency inverters transformers Installations and parts of those Easy device sal and intuitive results display Byer Cycles Wirinny Filter ZA coupe CENH aT auia A Chien See Channels Sew ih l gA TE Independent setup of synchronization filter and measurement path filter Global settings shown here is the star to delta conversion Different display modes for result in numerical and graphical formats e A status bar is permanently displayed in all menus e Measurement display for one or four power channels alternatively with six or 20 values 40 values and more with scroll bars e Global settings e Two independent filter sets for the synchronization and the measurement path e Choice of manual or automatic setting of the meas
19. ows the status Finish signaling that the set event has triggered Also shown are the motor voltage u1 red and the motor current i1 yellow The latter rises with the electrical time constant of the rotor About 0 7 ms after applying current to the motor the rotation starts and is shown by the rise of the analog revolution proportional adapter out put signal i2 green 3 5ms after the startup of the motor current the rotational speed of 126U min is already determined It is notewor thy that the rotor has so far turned only 8 E EE Raa a 1b E are TADE uw ho BA Ti LT KI Calculated values linked values of the delta connected windings wiring 3 1 UA I UA IA Rotary encoder output via adapter L50 Z18 connected to a measurement channel to record a fast motor start with high resolution Technical Data Summary Voltage measuring ranges U Nominal value V 3 6 12 5 25 60 130 250 400 600 1000 Maximum trms value V 3 6 ee 14 4 30 66 136 2 0 560 999 1001 Maximum peak value for full scale V 6 12 25 50 100 200 400 800 1600 3200 Input impedance gt 4 5MQ lt 3pF Current measuring ranges I Current measuring ranges IHF Nominal value A 20m 40m 80m 150m 300m 600m Te 25 5 10 20 32 150m 300m 600m 12 Maximum trms value A 37m 75m 150m 300m 600m 1725 2 5 0 10 20 32 a2 225m 450m 900m 1 8 Maximum peak value for full scale A 56m 112m 224m 469m 938m 1 88 35 15 15 30 60 120 3
20. ring the power consumption in standby mode of home appliances IT devices and similar equip ment in accordance to IEC EN 62301 The results are finally presented in a test protocol Harmonics and flicker The compliance test system CE Test61k allows to test product interferences towards the power distribution system caused by current harmo nics and flicker in accordance with EN 61000 3 2 12 and EN 61000 3 3 11 Datei Geit Tet Enri Hif Ec ea H mgr Deneve der Leu Bui eS Tertrfornaboren bearbeiten LMG tantigureren Titane Status Details a Diui sarii of aromas Dau 136 604 vrbi Lieut arte au erie Gar LS versbe CE Test Standby display of a test in progress 46 4Wire 46 5Wire 10 2L 10 2L 10 2L 30 3Wire 30 4Wire 46 4Wire 30 3L Aron 20 3L groups C and D By the 4 groups 4 indepen dent harmonic analyses can be performed CE Test61k test system in a compact 19 cabinet CE Test61k System characteristics e harmonics analyzer according to EN 61000 4 7 up to 2 kHz according to EN 61000 4 7 annex B from 2 kHz to 9 kHz e flicker meter according to EN 61000 4 15 Valuation e harmonic analysis for currents up to 16A in compliance with EN 61000 3 2 e harmonic analysis for currents from 16A to 75A in compliance with EN 61000 3 12 e flicker voltage fluctuation for currents up to 16A in compliance with EN 61000 3 3 e flicker volt
21. ss eT opa ii T MANIN ott A OUT Saini H Te LET v w a LINN pe eT eel a FHE WEA Combustion engine OOOO 7 8 LMG500 Supplementary Features for Versatile Operations Gapless data acquisition for long term measurements Benchmarks like SPECpower_ssj2008 and soft ware suites as the Intel Energy Checker have been set up to relate the power consumption of PCs and servers to their computing power The LMG500 is one amongst only a few power meters being registered for both tests Standby consumption of domestic appliances is covered by standards like IEC 62301 Depen ding on the product parameters like efficiency consumption and standby performance have to be measured For example minimum energy efficiency is set for electric motors and lamps For television sets and refrigerators the maxi mum power input is defined depending on the size of the screen or the cooling capacity Such tests require test times of several hours and demand absolutely gapless data acquisi tion The high base accuracy allows for suffici ently precise measurements even at the low end of a measurement range without switching to the next range see also application note no 102 Measurement of standby power and energy efficiency available for download at www zes com Scripting for automated calculation Circuitry Scripting gives users the opportunity to calc
22. t inputs Inr 150mA to 1 2A DC to 10 MHz e No need for changing external shunts ho NO Tie TU Tito mat HTL T MO ie _ ony e Voltage inputs U 3V to 1000V 3200 Vpeak e Measuring with external sensors Inputs Isensor and USensor 30 mV to 4V DC to 10 MHz e Auxiliary voltage 15V and identification of external sensors e Up to 8 power measuring channels with the compact 8 channel meter LMG500 8 or with two linked LMG500 4 In both cases all channels are sampled gaplessly and synchronously with 3 MSamples s All input sockets are touch proof and isolated against each other and against earth max 1000V CAT III e High bandwidth of 10 MHz hence very short pulses are measured precisely e Very low capacity of measurement inputs against earth lt 30 pF thus no distortion of measured signals LMG CONTROL the LMG in your PC LMG CONTROL is the complementary PC software for ZES ZIMMER power analyzers to configure the instrument and to display log and analyze the measuring values Modifications to the setup of the LMG are imme diately active The multi window implementation permits displaying the measurement in multiple ways at the same time Saving and loading of the instrument configura tion along with the software settings in a single project file permits easy repeating of a measu ring task On demand LMG CONTROL creates a report with the configuration settings and the current measuring values Th
23. to visualize data as list or diagram Status report for the system diagnostics The basic version is free of cost Additional module for LMG CONTROL logging and analysis of sample values of the LMG frequency spectrum and harmonic analysis up to 1 MHz frame analyzer logging of transients Calibration with certificate traceable according to ISO9000 basis package and in addition for each power channel Kalibrierschein Calibration Certificate ZES ZIMMER Electronic Systems With the purchase of the calibration and service package the warranty can be extended every year for further 12 months A prerequisite is the calibration traceable according to IS09000 at first delivery of the device Every 12 months the device has to be sent back to ZES ZIMMER for a further calibration and if necessary for adjustment Along with the calibration the appropriate maintenance work is carried through During the warranty period and extended warranty period all incidental repairs are free of charge Repairs of failures by abrasion and faulty handling are excepted from the warranty 2011 ZES ZIMMER Electronic Systems GmbH subject to technical changes especially to improve the product at any time without prior notification 2 Z gt ZIMMER Germany headquarter ZES ZIMMER Electronic Systems GmbH Tabaksm hlenweg 30 D 61440 Oberursel sales zes com 49 6171 628750 www zes com Precision AC current transformer LMG Z502 for 1500A Hall effe
24. u late within the power analyzer own additional values and shows them in a customized menu The script can either be edited in the device with or without an attached PS 2 keyboard or more conveniently written on a PC and down loaded with the aid of LMG CONTROL A good example is the measurement of the characteristics of magnetic cores The power Hort Actie Mo Pos ni 3 primary windings 2 3 secondary windings 71 8 8888916 cross section in m 41 6 685688 magn length in m Spk Urect 4 f2n2 Aj flux in Tesla Hpk Ipp 2en1 1 8 field strength m aur ampl Bpk 1 2566e 6 Hpk at relative amplitude permeability fe Pr1en1 n2 dFreg f 1 1e6 Script editor measured with the exciting current I and the induced voltage U at the sensor winding core magnetization voltage directly yields the core losses depending on frequency of up to 10 MHz without the copper losses With the rectified value of the sensor voltage U a measure for the voltage time area and therefore the induced flux the exciting current I and the geometric core data the characteristic curves P Bpk and Monitoring Harmonics with LMG CONTROL Harmonic analysis by ZES ZIMMER software LMG CONTROL The spectral analysis of currents and vol tages from DC to 1MHz is supported by the ZES ZIMMER application software LMG CONTROL The results can also be exported as tables e g into MS Excel for further processing Harmonic analysis with LMG
25. urement ranges Itrms 0 16450 A Utrms 213 182 P 16 450 H 30 9 1var 35 068 VA 0 46970 Vector diagram Line plot trend display egg display man wave form e 3 MSample s per channel absolutely gapless sampling with the evaluation of all sampling values e Capturing transients and fast signal changes by event triggering in parallel to the ongoing measurement e Group delay between voltage and current measuring input lt 3ns as standard to ascertain very precise measurements at low cos and or high frequencies e Harmonics and interharmonics up to 50 kHz internally and up to 1 MHz with an external PC e Flicker interactions between network and load e Ergonomic user interface for easy intuitive use of the power analyzer e Real time evaluation of the measurements in numeric tables and diagrams e Data communication interfaces with high transfer rates RS232 USB IEEE488 2 Ethernet Chin Fe HERSH A 117178 U AAA H 8 GHS ai TELE VA Tei eS A 1356 U 2b See Yl 7 Aia k 2 SR at Thar UA BBs Sd A 116 6 2 U 2 1 H BSS Ui Wee VA B AP AOS Vi Tee Y 2Ha W Fao ya A d 11 i Parallel display of harmonics as bar graphs Measuring inputs for ultimate requirements iig TU Hg unit Tee TO TT me ie ug miio ue imig MING ie I 15 MO mie ug e Current inputs I wide dynamic range 20mA to 32A 120Apeak by only one socket pair e Separated HF curren
26. ween frequency inverter and motor They attain up to the two fold of the transmitted voltage pulse and put additional strain on the cable isolation Precise measurements at low power factors To increase the efficiency of contemporary PWM frequency inverters fast switching semicon ductors are used for minimizing the switching losses in the output stage However the extre mely steep voltage edges cause capacitive cur rents that stress bearings and isolation of the motors this causes unnecessary wearing and possibly an early break down Motor filters e g du dt filters attenuate the voltage edges in rise and fall but generate power losses by the filters transient oscilla tions typ gt 100 kHz Power measurement up to 10MHz demands that current and voltage channels are designed in a way that the delay between each other is very small With the LMG500 this delay is less than 3ns or equal to an angle error lt 1 urad at 50 Hz Due to this feature the LMG500 is best suited to measure the power losses of trans Power loss by measurement across the filter rents and voltages can be measured directly and displayed distortion free The figures below show the 70 kHz pulses Upp 2 5kV Ipp 2 7 A required for maintaining the plasma of the gas Wave forms of current and voltage i a i te Record vate 1 000 1 formers chokes capacitors and ultrasonic gene rators at very low power factors T
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