BulletinPX8000-01EN PX8000 Precision Power Scope
Contents
1. Output voltage 12 Vdc Output current Total max of 1A Time Sync Signal Input IRIG C20 option Input connector BNC Supported IRIG signals Input impedance A002 B002 A132 and B122 Can be switched between 50 Ohm and 5 kOhm Maximum input voltage GP IB 8 V Connector type 24 pin connector Electrical specification Functional specification Complies with IEEE St d 488 1978 JIS C 1901 1987 SH1 AH1 T6 L4 SRI RLI PPO DC1 DTO and CO Protocol Ethernet Connector type IEEE St d 488 2 1992 RJ 45 modular jack Transmission system Ethernet 1000 BASE T 100 BASE TX or 10 BASE T Communication protocols TCP IP USB Connector type USB type B receptacle Electrical and mechanical specifications USB Rev 2 0 compliant Supported transfer modes Display Items Numerical Values HS High Speed 480 Mbps and FS Full Speed 12 Mbps Active Power W YOKOGAWA P k k th order active power value P total active power value When k 0 it shows DC component Apparent Power VA Reactive Power Var S k k th order apparent power value S total apparent power value When k 0 it shows DC component Q k k th order reactive power value Q total reactive power value When k 0 it shows 0 Power Factor Lambda k k th order power factor value Lambda total power factor value Phase Angle deg Delta Function Phi k2. Select from 4 8 16 Matrix All Single List Dual List and Custom Maximum 16 waveforms Voltage current and power of Element 1 Voltage current and power of Element 2 or AUX3 and AUX4 of Element 2 Voltage current and power of Element 3 or AUX5 and AUX6 of Element 3 Voltage current and power of Element 4 or AUX7 and AUX8 of Element 4 MATH 1 to MATH 8 Vector Bar Graph Display option Power parameters calculation Automated measurement of Waveform parameters Calculate Voltage Current Power Delta parameters frequency and AUX values from captured waveforms Apparent power reactive power and power factor and those Sigma values are calculated from the Voltage Current and Power values Up to 24 items can be displayed P P Amp Max Min High Low Avg Mid Rms Sdev OvrShoot OvrShoot Rise Fall Freq Period Width Width Duty Pulse Burst1 Burst2 AvgFreq AvgPeriod Int1TY Int2TY Int1XY Int2XY IntthXY IntegPower IntegCurrent Int2hXY IntegPower IntegCurrent Statistical processing Cyclic statistical processing Application items Automated measurement values of waveform parameters Statistical items Max Min Avg Sdv and Cnt Automatically measures the waveform parameters of the data in the acquisition memory and performs statistical processing on the parameters once per period User defined computation MATH Max 8 expressions for waveforms MATH1 to MATH8 Max 4 Mpoint rega
3. Cfl Current crest factor Measurement period Measurement period to calculate numerical values Period of measurement update cycle based on zero crossing or external gate signal source signal 8192 points for harmonic measurement from specified start cursor Wiring method Scaling Frequency measurement 1P2W Single phase 2 wire 1P3W Single phase 3 wire 3P3W 3 phase 3 wire SV3A 3 phase 3 wire 3 power meter method 3PAW 3 phase 4 wire 1 6 0 0001 to 99999 9999 can be set for scaling of VT ratio CT ratio and power ratio when external current sensor VT or CT are used for the input Linear scaling function is available for AUX module 760851 Number of displayed digits Full 5 digits 99999 Max frequency 5 0000 MHz Accuracy 0 1 of reading Frequency Measurement filter Harmonics measurement Same as Zero cross filter OFF 100 Hz 500 Hz 2 kHz 20 kHz Frequency filter Select from OFF 100 Hz 500 Hz 2 kHz and 20 kHz A D converter Max sample rate Resolution 12 bit Conversion ratio sampling period Approx 10 ns 100 MS s For harmonic measurement please refer to harmonic function Auxiliary AUX module 760851 Specification Number of input channels Input coupling 2 switchable analog or pulse input AG DC or GND Input format Isolated unbalanced Frequency characteristics Voltage axis sensitivity setting DC to 20 MHz 3 dB point when sine wave of amp
4. Current Module so the same number of these modules must be ordered together In the case of service repair or re calibration both modules must be sent together to the service department Up to 3 AUX Modules can be installed in odd numbered slot only 3 5 and 7 Odd numbered slots 3 5 and 7 are also used to install additional Voltage Modules and even numbered slots 4 6 and 8 for additional Current Modules Standard Accessories Power cord 1 set Front cover 1 set Rubber foot 4 sets Cover plate assy 8 sets Current terminal adapter 4 sets Voltage terminal adapter 4 sets Printer chart 1 set for B5 Getting started guide 1 set CD Getting started guide Futures guide User s Manual Communication interface manual by PDF data Unit mm Le Le U JU h asol 16 5 Safety Precautions for Laser Products The voltage module 760811 the current module 760812 and the AUX module 760851 uses laser light sources internally These modules or respond to Class 1 laser product as defined in the IEC60825 1 Safety of Laser Products Part 1 Equipment Classification and Requirements YOKOGAWA gt YOKOGAWA METERS amp INSTRUMENTS CORPORATION Global Sales Dept Phone 81 42 534 1413 Fax 81 42 534 1426 Email tmQcs jp yokogawa com http tmi yokogawa com YOKOGAWA CORPORATION OF AMERICA YOKOGAWA EUROPE B V YOKOGAWA ENGINEERING ASIA PTE LTD Model Product Des
5. JE Current Power Direct up to 5 A Frequency Accuracy DC 0 296 of reading 0 296 of range 20 uA 10 Hz 0 296 of reading 0 296 of range 10Hz lt f lt 45Hz 0 296 of reading 01 of range 45Hz lt f lt 1kHz 01 of reading 01 of range IkHz lt f lt 10 kHz 0 1 of reading 0 1 of range 10 kHz fs 50kHz 0 2 of reading 0 2 of range 50 kHz lt f lt 100 kHz 0 696 of reading 0 4 of range 100 kHz lt f lt 200 kHz 0 696 of reading 0 4 of range 200 kHz lt f lt 400 kHz 196 of reading 0 4 of range 400 kHz lt f lt 500 kHz 0 1 0 004 x f of reading 0 4 of range 500 kHz lt f lt 1MHz 01 0 004 x f of reading 4 of range Measurement bandwidth 10 MHz 3 dB Typical O1Hzzf P ja i ee jeni ees Sensor Frequency Accuracy DC 0 2 of reading 0 2 of range 50 uV 10 Hz 0 2 of reading 0 2 of range 10Hz lt f lt 45 Hz 0 2 of reading 01 of range 45Hz lt f lt 1kHz 01 of reading 01 of range ikHz lt f lt 10kHz 0 1 of reading 0 1 of range 10 kHz fs 50kHz 0 2 of reading 0 2 of range O1Hzzf 50 kHz f 100 kHz 100 kHz lt f lt 200 kHz 200 kHz lt f lt 400 kHz 0 6 of reading 0 4 of range 0 6 of reading 0 4 of range 196 of reading 0 496 of range 400 kHz lt f lt 500 kHz 01 0 003 x f of reading 0 4 of range 500 kHz lt f lt 1 MHz 0 1 0 00
6. Phase angle between k th order voltage and current Phi Phase angle of current refers to voltage waveform PhiU k Phase angle of k th order voltage refers to the fundamental voltage U 1 Phil k Phase angle of k th order current refers to the fundamental current I 1 Voltage V Delta U1 to Delta U3 and Delta Usigma Current A Delta I Power W Delta P1 to Delta P3 and Delta PSigma AUX analysis function Torque and Speed input AUX1 Pulse input or Analog input AUX2 AUX 1x2 Accuracy Pulse input or Analog input Mechanical power calculation Accuracy at 6 months Voltage Frequency Accuracy DC 0 296 of reading 0 296 of range 10 Hz 0 296 of reading 0 2 of range 10Hz lt f lt 45Hz 0 296 of reading 01 of range 45Hz lt f lt 1kHz 01 of reading 01 of range IkHz lt f lt 10kHz 01 of reading 0 1 of range 10 kHz fs 50kHz 0 2 of reading 0 2 of range 50 kHz f 100 kHz 0 696 of reading 0 496 of range 100 kHz f lt 200 kHz 0 696 of reading 0 496 of range 200 kHz lt f lt 400 kHz 196 of reading 0 4 of range 400 kHz lt f lt 500 kHz 01 0 003 x f of reading 0 4 of range 500 kHz lt f lt 1MHz 01 0 003 x f of reading 4 of range 1MHz fx 10 MHz 01 0 003 x f of reading 4 of range Measurement bandwidth 20 MHz 3 dB Typical Accuracy over 1 MHz is design value O1Hzzf E EE NIS tene E JD ot
7. Traditional power measurement instruments cannot provide accurate time measurements oscilloscopes are not designed to measure power The PX8000 is the world s first precision power scope bringing oscilloscope style time based measurement to the world of power measurement The PX8000 s time based accuracy brings a new dimension to power analysis It can capture voltage and current waveforms precisely opening up applications and solutions for a huge variety of emerging power measurement problems The Yokogawa power analyzer series The PX8000 is the new flagship product for Yokogawa s range of industry proven power analyzers Yokogawa s first power measurement instrument was designed back in the 1960s and its power analyzers have played an important role in sustainable industrial development ever since PX8000 Focus on precision The PX8000 brings high precision waveform capabilities to power measurement Among the features unique to the PX8000 are Multifunction snapshots Up to 16 different waveforms including voltage current and power can be displayed side by side giving engineers instant snapshots of performance Detailed transient analysis The PX8000 supports the measurement of all power waveform parameters between precisely defined start and stop cursors Trend calculation The PX8000 has built in functions for the direct calculation of variables such as root mean square RMS and mean power values to enabl
8. the PX8000 and modules is three years This is a Class A instrument based on Emission standards EN61326 1 and EN55011 and is designed for an industrial environment Operation of this equipment in a residential area may cause radio interference in which case users will be responsible for any interference which they cause Any company s names and product names mentioned in this document are trade names trademarks or registered trademarks of their respective companies The User s Manuals of this product are provided by CD ROM i oPRO is trademark of Yokogawa Electric Corporation m pr m For the full specifications see Bulletin PX8000 02EN or tmi yokogawa com px8000 Subject to change without notice 2014 Yokogawa Meters amp Instruments Corporation Fax 1 770 254 0928 Fax 31 88 4641111 Fax 65 62412606 Ed 02 b Printed in Japan 403 KP
9. 3 x f of reading 4 of range 1MHz fx 10 MHz 0 1 0 003 x f of reading 4 of range Measurement bandwidth 20 MB 3 dB Typical Accuracy over 1 MHz is design value Direct up to 5 A Frequency Rp E E UD E E po Accuracy DC 0 296 of reading 0 4 of range 20 UA x U 10 Hz 0 296 of reading 0 2 of range 10Hz lt f lt 45Hz 0 296 of reading 01 of range 45Hz lt f lt 1kHz 01 of reading 0 1 of range IkHz lt f lt 10 kHz 0 1 of reading 0 16 of range 10 kHz fs 50kHz 0 2 of reading 0 2 of range 50 kHz lt f lt 100 kHz 0 696 of reading 0 4 of range 100 kHz f 200 kHz 1 596 of reading 0 696 of range 200 kHz lt f lt 400 kHz 1 596 of reading 0 6 of range 400 kHz lt f lt 500 kHz 0 1 0 006 x f of reading 0 6 of range 500 kKHz lt f lt 1 MHz 0 1 0 006 x f of reading 696 of range O1Hzzf P SE NR Sensor Frequency Accuracy DC 0 296 of reading 0 4 of range 50 uV x U 10 Hz 0 296 of reading 0 296 of range 45 Hz 0 296 of reading 0 1 of range 1 kHz 0 196 of reading 0 1 of range IkHz lt f lt 10 kHz 0 1 of reading 0 16 of range 01Hz lt f lt 10 kHz lt f lt 50 kHz 0 2 of reading 0 2 of range 10 Hz lt f lt 45 Hz lt f lt 50 kHz lt f lt 100 kHz 0 6 of reading 0 4 of range 100 kHz lt f lt 200 KHz 1 5 of reading 0 6 of
10. A AND OR B gt Time B Time B Time Out B Between Period T gt Time T lt Time Ti lt T lt T2 T lt T1 T lt T2 Wave Window Time div setting 100 ns div to 1 s div 1 2 5 step 2 s div 3 s div 4 s div 5 s div 6 s div 8 s div 10 s div 20 s div 30 s div 1 min div and 2 min div Observation time 1us to 1200 s Channel ON OFF Un In Pn AUXn or MATHn can be turned ON and OFF separately Vertical axis zooming Roll Mode Analysis Functions x 04 to x 100 Upper and lower limits can be used to set the scale Roll mode is enabled automatically when the trigger mode is set to Auto Auto Level Single or On Start and the time axis setting is greater than or equal to 100 ms div Display Number of dots 10 4 inch TFT LCD display 1024 x 768 XGA Waveform displaying dot size Displaying format 801 x 656 Waveform Display Combination Max 2 types of format can be displayed Numeric 4 items 8 items 16 items Matrix All Single List Dual List Custom Wave 1 2 3 4 6 8 12 16 Bar Single Dual Triad Vector Single Dual ZOOM and ZOOM divided lower display area FFT1 and FFT2 divided lower display area XY1 and XY2 divided lower display area Display update Numerical Display Max digit of numeric display Depends on setting of observation time and record length Selected full 5 digits displaying 99999 or 6 digits 999999 Number of displayed items Waveform Display Displaying items
11. Test Measurement YOKOGAWA lt YOKOGAWA PX8000 seesonrowerscor 1 i paa 10er v Pasi ti y if i div IN M LOT dh i demo pages Uris 17 gi AC 1 5 ACSPAW E Ul 150 rc 1A T1153 0 nri 1 4 M 0 Q 54 1 PARE ae i a Element i BE J 140 88 384 a beet 1 1 1350 A A Spese 1504 90 613 60 006 RE Element 4 100V Where power meets precision PX8000 Precision Power Scope Bulletin PX8000 01EN The PX8000 brings together Yokogawa s world leading expertise in power measurement with our long heritage in oscilloscope design to deliver a true test and measurement revolution the world s first precision power scope With the launch of the PX8000 R amp D professionals need no longer compromise on their need for high accuracy time based power measurement a need that conventional power analyzers and oscilloscopes were never designed to meet As more and more innovation focuses on energy consumption and the integration of electronics into power based systems so more and more engineers are demanding accuracy and precision from their power measurement The PX8000 delivers Insight Precision power measurement gives true insights into energy consumption and performance Confidence Proven high quality production means the PX8000 can be relied upon to deliver over extended periods of time Familiarity Users experience a short learning c
12. age Current modules and AUX module X Y Display The X and Y axes can be selected from Un In Pn AUXn MATHn Max four Max record length Standard 10 M points for each voltage and current regardless of the installed number of modules The memory cannot be combined each memory of module is individual 50 M points for each voltage and current regardless of the installed channel number of input modules when M1 option is installed 100 M points for each voltage and current regardless of the installed channel number of input modules when M2 option is installed Voltage Current input modules 760811 760812 Specifications Input terminal type Input format Measurement range Line filter Voltage Plug in terminal female Current Direct input Plug in terminal male External current sensor input isolated BNC Voltage Floating input resistive voltage divider Current Floating input through shunt Voltage 1 5 3 6 10 15 30 60 100 150 300 600 1000 Vrms crest factorz2 at rated range input Current Direct input 5 A 10 m 20 m 50 m 100 m 200 m 500 m 1 2 5 Arms Crest factor 2 at rated range input Current External current sensor input 50 m 100 m 200 m 500 m 1 2 5 10 Vrms Crest factor 2 Select from OFF 500 Hz 2 kHz 20 kHz and 1 MHz Crest Factor traces two windows Measurement Function and Conditions Up to 200 effective minimum input Up to 2 rated input CfU Voltage crest factor
13. asured The PX8000 in detail PX8000 The PX8000 in detail m Display format selection Comprehensive range of display YOKOGAWA PX8000 functions for power analysis including numeric waveform vector bar X Y graphs EI Wiring selection Urms1 1 1 6 AA Q1 Choose between different wiring V according to the relevant electricity e rms1 AM system single phase two and A three wire 1P2W 1P3W 3P3W and three phase three and four wire P1 88 38 4 SP3W 3P3W 3V3A 3P4W connectivity w S1 90 b 1 3 il ES Acquire settings VA Memory size setting and History 1 function for displaying and analyzing irregular waveform data Sampling frequency is determined by memory size and time axis selections ES Module parameter settings Measurement parameters and options include voltage current direct sensor ranges auto ranging offset vertical zoom filter scaling and synchronized sources 3 E E 5 Power analysis settings l Analytical functions include cycle by cycle trend calculation specific time period measurement and harmonic analysis and FFT analysis There is a null setting for capturing sensor input conditions YOKOGAWA PRECISION POWER SCOPE 3 change pages gt A 3P4W Element 1 150V 1A Sync We tloemont 2 150V 1A Sync We Element 3 150V 1A Sync Sc 19 971 va 0 97541 1 17350 60 006 ko eo o en fam
14. at top or Exponential Print system Thermal line dot system Sheet width 112 mm Storage Functions SD Card Number of slot 1 Max capacity 16 GB Supported cards USB Ports for Peripherals Compatible USB storage devices USB Peripheral Interface Number of ports SD and SDHC compliant memory card Mass storage devices that are compliant with USB Mass Storage Class Ver 1 1 2 Electrical and mechanical specifications USB Rev 2 0 compliant Supported transfer mode HS High Speed 480 Mbps FS Full Speed 12 Mbps and LS Low Speed 15 Mbps Input Output EXT TRIG IN Connector type BNC Input level TTL Minimum pulse width 100 ns EXT TRG OUT Connector type BNC Output level 5 V CMOS Logic Low when a trigger occurs and high after acquisition is completed EXT CLK IN Connector type BNC Input level TTL Minimum pulse width 50 ns Video Output Connector type D Sub 15 pin receptacle Output format Analog RGB Output resolution GO NO GO Determination I O XGA compliant output 1024 x 768 dots Approx 60 Hz Vsync dot clock frequency 66 MHz Connector type Input level External Start Stop Input RJ 11 modular jack TTL or contact Connector type Input level Comp Output RJ 11 modular jack TTL or contact Output signal frequency Output amplitude Probe Power Output P4 Option Number of output terminals 1 kHz 1 1 Vp p 10 4
15. ce to connect a current to a voltage input terminal A tie wrap system prevents accidental current terminal disconnection Connectivity YOKOGAWA gt Connectivity EU VIDEO OUT Video signal output for enhanced display on analog RGB displays GP IB General purpose interface bus EN IRIG Synchronize multiple instruments via an external time source optional E EXT I O The PX8000 can be used to send a GO NO GO signal based on set conditions equally external signals can be used to trigger measurement and analysis Fo SD card slot SD and SDHC compliant USB PC Enables control from a PC USB For connection to a range of peripherals including storage keyboard and mouse Long phenomena capture Ethernet The large internal memory of up to 100 M Points enables long 1000 BASE T comes as standard term measurements to be made at high and appropriate sample rates TRIGGER IN External trigger input TRIGGER OUT External trigger output EXT CLK IN Sampling can be timed to an external signal up to 9 5 MHz Power meets precision Power meets precision R amp D teams everywhere are coming to terms with the need for new levels of precision in power measurement With pervasive microprocessor control and on going pressure to reduce energy consumption the lines between electrical and electronic engineering continue to blur and the need for a new class of hybrid measurement is emerging
16. cription parts number 366924 A BNC BNC Cable im 366925 BNC BNC Cable 2m 366926 1 1 BNC Alligator Cable Non isolated 42 V or less 1 m 366961 A 1 1 Banana Alligator Cable Non isolated 42 V or less 1 2 m 700924 Differential Probe 1400 Vpk 1000 Vrms CAT II 700929 10 1 Probe 1000 V DC ACpeak CAT I for isolation BNC input 701901 1 1 Safety BNC Adapter 1000 Vrms CAT II Lead in combination with followings 701902 Safety BNC BNC 1000 Vrms CAT II BNC BNC Cable 1 m 701903 Safety BNC BNC 1000 Vrms CAT Il BNC BNC Cable 2 m 701906 Long Test Clip For 700924 and 701926 701926 Differential Probe Max 7000 Vpk 5000 Vrms 701947 100 1 Isolation Probe 1000 V DC ACpeak CAT I 701948 Plug On Clip For 700929 and 701947 701954 Large Aligator Clip 1000 Vrms CAT Il 1 set each of red and black Dolphin type 701959 Safety Mini Clip 1000 Vrms CAT II 1 set each of red and black Hook type 701963 Soft Carrying Case For PX8000 720911 External I O Cable For external I O connection 758917 Test Lead Set A set of 0 8 m long red and black test leads 758921 4A Fork Terminal Adapter Banana fork adapter Two adapters to a set 758922 Small Alligator clip Rated at 300 V and used in a pair 758923 Safety Terminal Adapter spring hold type Two adapters to a set Phone 1 770 253 7000 Phone 31 88 4641000 Phone 65 62419933 758929 Large Alligator clip B8213ZA B8213ZD Safety Te
17. difference Core loss measurement under high frequency Analyzing reactor core loss is an example of how the PX8000 s user defined functions can be utilized to provide an instant analysis of system performance In this example core loss is calculated based on primary coil current and secondary coil voltage using readings from an Epstein device while magnetic flux density B and magnetic field H are calculated by factoring in input frequency cross sectional area and other parameters All values can be displayed directly by the PX8000 N1 Measurement items specified using user defined function as follows Voltage mean 2 TI x Current freq x N2 x cross section N1 x Primary coil peak current Effective magnetic path length 13 Transient responses of industrial robots Transient responses of industrial robots Overview To evaluate motor driven robots power consumption of all motors and controllers are measured throughout all operational speeds and action patterns Design engineers need to measure inrush voltage current and power over the pattern of repeated actions Efficiency is calculated by comparing mechanical output with input power During actual operating conditions the time to accelerate and decelerate such motors can range from several hundred milliseconds to several seconds As a PWM driven motor rotates from the reset position to the top speed the drive frequency changes from DC to severa
18. e total current true rms value When k 0 it shows DC component After the PX8000 has been warmed up for 30 minutes and then calibration has been performed Rated supply voltage 100 to 120 VAC 220 to 240 VAC Auto switching Rated supply frequency 50 60 Hz Maximum power consumption 200 VA Weight Approx 6 5 kg weight of the PX8000 only without paper and M2 B5 C20 G5 and P4 options Withstand voltage Insulation resistance 1500 VAC for one minute between the power supply and case 10 M ohm or more for 500 VDC between the power supply and case Model Suffix Code Description PX8000 Precision Power Scope Power Code D UL CSA Standard F VDE standard H GB standard N NBR standard Q BS standard R AS standard Languages HE English menu HG German menu HJ Japanese menu Options B5 Built in printer 112 mm C20 IRIG function G5 Harmonic measurement M1 50 M memory expansion M2 100 M memory expansion P4 4 Outputs of probe power Select one of these Name Model Description Voltage Module 760811 Voltage module Current module 760812 must be ordered together Current Module 760812 Current module Voltage module 760811 must be ordered together Auxiliary Module 760851 Auxiliary AUX module for sensor input Torque Speed Name Model Description PowerViewerPlus 760881 Viewer software dedicated for PX8000 coming soon The German language menu will be releas
19. e the identification of cycle by cycle trends De skew compensation The PX8000 s de skewing function eliminates offsets between current and voltage signals that may be caused by sensor or input characteristics isoPRO pioneering measurement technology iSor RO The PX8000 is powered by Yokogawa s isoPRO technology which offers industry leading isolation performance at the highest speeds isoPRO core technology designed with energy saving applications in mind delivers the performance needed to develop high efficiency inverters that operate at high voltages large currents and high frequency Focus on power Innovators everywhere are focusing on key questions that can only be answered by measuring power precisely How can we minimize energy loss How can we boost performance How can we efficiently use renewable energy sources Electric hybrid vehicles YOKOGAWA gt Inverter performance and efficiency Virtual Power Plant Wind Turbines als o 3 8 ta Plants Smart grid solutions Wireless power charging Applications Applications The PX8000 is an immensely versatile instrument unlocking precision power measurement capabilities for researchers working on everything from renewable power to advanced robotics Anywhere that power consumption is at a premium which means almost anywhere power is consumed can benefit from the introduction of the PX8000 s precision measureme
20. ed soon Selection of both M1 and M2 is not available for one main frame The standard memory length is 10 M points CH The power value will be calibrated using a pair of Voltage 760811 and Current 760812 modules therefore an equal quantity of these must be ordered together Atest Certificate of the Voltage Module includes the test results of the voltage and power values which are calibrated with one paired Current Module Also the test Certificate of the Current Module includes the test results of the current and power values which are calibrated with one paired Voltage Module lt Cautions regarding the installation of modules and their location gt The PX8000 has a maximum of 8 slots for installing modules It is required to equip the PX8000 main frame with at least one Voltage Module and one Current Module in slots 1 and 2 to create one Power Measurement Element The PX8000 can be equipped with a maximum of three additional Power Measurement Elements When modules are ordered with the PX8000 main frame the modules are factory installed in the main frame up to a combined maximum of 4 power measurement elements and auxiliary modules Priority is given to the installation of power measurement elements The location of modules can be changed by the customer However slot 1 must be always containing a Voltage Module and slot 2 must always contain a Current Module Power values are calibrated using one Voltage Module and one
21. eo DI a a O Element 4 100V SA Sync Sel Modules PX8000 Modules 2 Voltage module 12 bit sampling at up to 100 MS s DC to 20 MHz bandwidth 3 dB 1 5 V to 1000 Vrms direct input 45 Hz to 1 kHz accuracy 0 1 of reading 0 1 of range 2 Current module 12 bit sampling at up to 100 MS s DC to 10 MHz bandwidth 3 dB direct input DC to 20 MHz bandwidth 3 dB sensor voltage input 10 mA to 5 Arms direct input 50 mV to 10 Vrms sensor input 45 Hz to 1 kHz accuracy 0 1 of reading 0 1 of range Power measurement element includes voltage and current module up to four modules Ed Sensor and voltage measurement module up to three modules can be installed Auxiliary AUX module 12 bit sampling at up to 100 MS s DC to 20 MHz bandwidth 3 dB Up to 200 V DC ACpeak via direct input Up to 1000 V DC ACpeak via probe input Accuracy 196 of range DC Torque and speed sensor inputs Pulse input from 2 Hz to 1 MHz De skewed measurement set up Sensors can introduce phase errors or skew between the Safety and error prevention features To prevent incompatibilities the PX8000 will detect current and voltage inputs miss matched current and voltage modules and flag them with an on screen warning message The PX8000 also comes with a range of standard dedicated input connectors designed to prevent incorrect or dangerous power connections Using these connectors it is not possible for instan
22. er systems The PX8000 supports 12 bit resolution sample rates of up to 100 MS s and a 20 MHz bandwidth Crucially this means the PX8000 supports the measurement of low power factor systems operating at very high frequencies De skew functionality Because the PX8000 provides a de skew function differences between voltage and current that are introduced by sensor and input characteristics can be compensated for and therefore eliminated from the analysis of low power factor systems Oscillate Coil Receive Coil Capacitor Load Non inductive 15 Power distribution Power distribution Overview Power distribution systems have to maintain constant voltage and constant power during load switching or in the case of a short circuit Distribution protectors or circuit breakers for three phase electricity systems must therefore be tested at transient voltage and power levels The PX8000 can capture fluctuating voltage and current waveform calculate power parameters including voltage and current values determine an average over a specified period and display all values Protector Protector Short Voltage Converter Voltage Converter Protector Voltage Converter Protector Voltage Converter YOKOGAWA gt The PX8000 advantage Simultaneous three phase data capture To evaluate three phase electrical systems at least three power measurement inputs are required The PX8000 n
23. f range vs frequency Hz at power factor 1 YOKOGAWA The PX8000 advantage Wide bandwidth The vertical resolution of analog digital conversion is one of the most important factors in precision measurement The PX8000 has 12 bit resolution with 100 MS s sampling and 20 MHz bandwidth This means the PX8000 can be used for accurate measurement of inverter pulse shapes which can then be used to fine tune inverter efficiency Transient measurement by cycle by cycle trend The PX8000 s ability to analyze cycle by cycle trends makes it ideal for the measurement of transient effects During the start up phase of an inverter and motor for example current increases can be analyzed in each cycle And when the load changes rapidly the engineers can gain insights that will enable them to improve the control of the inverter Harmonic and FFT analysis The PX8000 has both harmonic and FFT measurement capabilities for frequency based analysis The Harmonic function can measure fundamental waveforms from 20 Hz to 6 4 kHz This is particularly useful for analyzing higher harmonic component and causes of noise in electromechanical systems Offset cancels by individual NULL function A common problem when testing inverter motors is the presence of ambient noise that can mean test values are nonzero even before testing begins The PX8000 s offset capabilities mean such effects can be nullified and specific inputs can be isolated for
24. f wireless charging technology for mobile devices like smartphones and tablet devices is a focus for research Automotive manufacturers are looking into the possibilities of charging electric vehicles wirelessly too Wireless charging depends on two electromagnetic coils being configured to support particular frequency profiles Efficient power transfer and the prevention of power loss are naturally particularly important The PX8000 is ideally suited for measuring such systems because of its ability to operate at high frequencies and low power factors Measurement accuracy as a 96 of range 10 100 1000 10000 100000 1000000 Frequency Hz gt Ext2Vx15Vrange 0 5Ax 15 V range 02 Ax 150 V range Measurement accuracy as a 96 of range vs frequency Hz at power factor O Inverter Capacitor DC Power Supply Signal Oscillator PX8000 The PX8000 advantage 14 Wireless chargerefficiency evaluation To evaluate the efficiency of wireless transfer including inverters at least three power measurement elements are required The PX8000 with its four input channels can analyze the performance of the whole system simultaneously Low power factor device measurement The PX8000 s higher sampling rates and broad bandwidth make it ideally suited for wireless power transf
25. l hundred Hz The PX8000 gives design engineers insight into power consumption and efficiency throughout a robot s operational performance YOKOGAWA The PX8000 advantage Specific time period analysis The PX8000 supports the measurement of waveform data between specific Start Stop cursors Combined with its multi channel capabilities and its Long memory and History functions this makes the PX8000 particularly useful in rating a robot s operational power consumption Efficiency measurement of boosters inverters and motors A single PX8000 unit can measure both the input output power of inverters and tne mechanical output of a motor By installing three power units and one AUX module the PX8000 can be configured to provide an instantaneous measure of component efficiency Transient measurement by trend computation With its instantaneous power calculations the PX8000 is ideal for evaluating and optimizing transient effects Its cycle by cycle trend analysis provides further insights into this crucial area of robotics engineering Longer time period measurement To analyze some robotic operations it may be necessary to perform cycle by cycle trend analysis over a long period of time The PowerViewerPlus software extends this mathematical capability to enable deep insights to be obtained from the data Wireless charger efficiency measurement Wireless charger efficiency measurement Overview The development o
26. litude 3 div is applied 50 mV to 100 V 1 2 5 steps when using 1 1 probe attenuation A D conversion resolution 12 bit Temperature coefficient Bandwidth limit 0 1 of range C typical Select from OFF 2 MHz 1 28 MHz 640 kHz 320 kHz 160 kHz 80 kHz 40 kHz 20 kHz and 10 kHz Cut off characteristics 18 dB OCT when 2 MHz Typical Method Frequency range PLL synchronization method not available for external sampling clock function The range for the fundamental frequency of the PLL source is 20 Hz to 6 4 kHz and sampling frequency is more than 2 MS s Time div is 2 ms div or higher ACQ Time Base is set to Int FFT data length Window function 8192 the analysis calculation start point can be set freely in the acquisition memory data Acquisition data length is required twice of window length Rectangular Sample rages window width Fundamental freq Sample rate Window width Upper limit of harmonics and upper limits of harmonic 20Hzto 600Hz f x 1024 8 cycles 500 order analysis 600 Hz to 1200 Hz fx 512 16 cycles 255 order 1200 Hz to 2600 Hz fx 256 32 cycles 100 order 2600 Hz to 6400 Hz fx 128 64 cycles 50 order Accuracy Line filter OFF Add below expression to normal measurement Voltage amp current 0 001 x f 0 001 x n of reading 01 of range Power 0 002 x f 0 002 x n of reading 0 296 of range f unit kHz Waveform data acquisition and display Accuracy a
27. ms over specific periods of time through the definition of start and stop cursors This is particularly useful for examining transient phenomena and in the design of periodically controlled equipment To ensure that equipment such as photocopiers complies with energy standards for instance it is vital to measure power consumption across a range of different modes from sleep to full activity and all the transient states in between X Y display and phase analysis For certain tasks it is important to be able to display values on an X Y axis Motors for instance are characterized by an ST curve that shows the relationship between speed and torque The PX8000 supports such displays as standard It can also display lissajous waveforms of input and output for phase analysis Capturing sudden or irregular phenomena Abnormal phenomena discovered during repeated high frequency measurements can often be hard to isolate disappearing from the screen almost as soon as they appear The PX8000 has an always active History function that automatically records up to 1000 historical waveforms These waveforms can be recalled and redisplayed at any time They can also used to redefine trigger conditions Historical waveforms are explored via condition based searches Specific abnormal phenomena for instance can be located by searching only for waveforms that cross or do not cross a certain recta
28. nalog Frequency measurement range DC 1 of range typical Measured under the standard operating conditions 2 Hz to 1 MHz displaying range 1 8 Hz to 2 MHz Pulse width 500 ns or wider Accuracy pulse Trigger Function 0 05 of reading 1 count error 10 ns Except the observation time is greater or equal to 300 times the period of the pulse Trigger mode Simple Trigger Trigger source Auto Auto Level Normal Single N Single or On Start Un In Pn AUXn EXT LINE or Time n channel number Acquisition mode Normal Normal waveform data acquisition Envelop The peak values are held at the maximum sample rate regardless of the Time div setting Averaging The number of times to average can be set to 2 to 65536 in 2 steps Zoom Display format Expand the displayed waveform along with the time axis up to 2 separate locations The zoom position can be automatically scrolled 1 2 3 4 6 8 12 and 16 analog waveform windows Snapshot Vertical and Horizontal Control The currently displayed waveforms can be retained on the screen Snapshot waveforms can be saved and loaded Time Trigger Enhanced trigger Trigger source Date year month and day time hour and minute and time interval 10 seconds to 24 hours Un In Pn AUXn or EXT Trigger type Time Base Time axis setting Observation time Time div Display A gt B N A Delay B Edge on
29. ngular zone Other search parameters include waveform amplitude and RMS L ong period data capture and analysis A PC application software for the PX8000 called PowerViewerPlus can be used to capture waveform data for further analysis This extends the ability of the PX8000 to use mathematical functions to analyze longer term performance PC connection is via standard Ethernet USB GP IB connections The user friendly software displays waveforms in a simple and clear graphical style that will be familiar to users of Yokogawa s popular Xviewer software Researchers who want to use their own analysis software will be able to establish a connection to the PX8000 via the LabVIEW driver FFT analysis The PX8000 features arithmetical time shift FFT and other computations that enable users to display waveforms with offsets and skew corrections Users can also define their own computations via equations that combine differentials integrals digital filters and a wealth of other functions YOKOGAWA 121 48 3792 0 1457 13 589 10 93 0 0652 60 031 0 6178 Simultaneous harmonic measurement The PX8000 makes it possible to simultaneously measure the harmonic components of voltage and current waves as well as the harmonic distortion factor Harmonic measurements take place in parallel with conventional voltage and current measurement Harmonics up to the 500th order of the fundamental can be me
30. nt and analysis capabilities The following pages cover some typical applications for the PX8000 For help in designing your own measurement strategy please contact your usual Yokogawa representative PX8000 10 11 Inverter and motor testing Inverter and motor testing Overview Electric and hybrid vehicles have many electrical and mechanical components and overall performance evaluation requires measuring the efficiency of both The PX8000 s flexibility accuracy and wide bandwidth make it ideal for drawing together the range of power readings needed to optimize the efficiency of boost circuits and inverters two key elements in overall electric vehicle performance Inverter section i Booster EG al Drive circuit Torque Motor rotation sensor Load Batteries JJ Converter I section 5 GB 49 Temperatures Voltage Current 3 Speed Torque Modulate and convert DC to AC signals 0 Energy measurement of batteries 099 Efficiency measurement of boost circuit and drive circuit Efficiency measurement of inverter system above transient behavior measurement Measurement accuracy as a 96 of range 10 100 1000 10000 100000 1000000 Frequency Hz eje 5Arange Ee Ext2 V range 150V range ete 0 2 A x 150 V range Measurement accuracy as a 96 o
31. ot only has four inputs but also enables the simultaneous capture and display of voltage and current across all three phases Specific time period measurement For a true evaluation of distribution protection it is necessary to measure a full cycle of voltage current and power values half a cycle after the recovery from a short circuit The PX8000 can easily be set up to focus on such a specific period Harmonic and FFT analysis The PX8000 has capabilities for both harmonic measurement and FFT for frequency analysis The harmonic function can measure fundamental frequencies from 20 Hz to 6 4 kHz and FFT has 1 kto 100 k points calculation across up to two channels Such measurements are vital for identifying harmonic currents and identifying sources of noise Specifications of PX8000 and the modules PX8000 Input Zoom Display Shape Plug in input module style Zoom Expand the displayed waveform along with the time axis up to 2 separate Module structure Voltage module Current module and Auxiliary AUX module locations The zoom position can be automatically scrolled Power measurement element one Voltage module and one Current module FFT Display Max 8 modules max 4 power measurement elements can be installed FET Power spectrum of input waveform Max two windows AUX module can be installed max 3 at least one power measurement elements must be installed X Y display Max channel number 8 ch combination of Volt
32. range 200 kHz lt f lt 400 kHz 1 5 of reading 0 6 of range 400 kHz lt f lt 500 kHz 0 1 0 004 x f of reading 0 6 of range 500 kHz lt f lt 1MHz 01 0 004 x f of reading 6 of range Normal Measurement functions for each channel power measurement element op i The unit of f in the equation for the reading error is kHz Voltage V Urms true rms value Umn rectified mean value calibrated me value These acouradies apply when the power factor 1 Udc simple average value Urmn rectified mean value Uac AC component For the complete specifications please refer to the separate document Bulletin Current A Irms true rms value Imn rectified mean value calibrated rms value PEN Idc simple average value Irmn rectified mean value lac AC component General specifications Active Power W P Standard operating conditions Ambient temperature 23 5 C Ambient humidity 20 to 8096RH Supply ithin 19 i i Apparent Power VA S selectable of Urms x Irms Umn x Imn Ude x Ide Urmn x Irmn or Umn x Irms Voltage and frequency Within 1 of rating Altitude 2000 m or less Reactive Power Var Q Power Factor Phase Angle deg Lambda P S Phi cos P S Harmonic analysis function G5 Option Sigma Items Voltage V U K k th order voltage true rms value U total voltage true rms value When k 0 it shows DC component Current A Ik k th order current true rms valu
33. rding Digital filter SHIFT ABS SQRT LOG EXP NEG SIN COS TAN ATAN PH DIF DDIF INTG IINTG BIN SQR CUBE F1 F2 FV PWHH PWHL PWLH PWLL PWXX DUTYH DUTYL FILT1 FILT2 HLBT MEAN LS PS PSD CS TF CH MAG LOGMAG PHASE REAL IMAG TREND TRENDM TRENDD TRENDF HH LL XX and ZC User defined computation numeric De sckew function Max 20 expressions F1 to F20 gt 5 4 ABS SQRT LOG EXP and NEG Compensate the phase difference between voltage and current modules of a power measurement element GO NO GO determination File Functions Two types of GO NO GO determination are available Save Setup data Waveform data including History data Numeric data and Image data can be saved external media Load Waveform data including History data up to 1000 waveform and setup data FFT Function Vector display Display the phase angle between the fundamental voltage signal and fundamental current signal as a vector Bar graph display Display a bar graph of the amplitude of each harmonics when it is harmonic measurement Waveform to be computed Un In Pn AUXn and MATHn Number of channels Computation range 2 From the specified computation start point until the specified number of points have been computed 17 Computed points 1k 2k 5k 10 k 20 k 50 k or 100 k Time windows Built in Printer B5 Option Rectangular Hamming Hanning Fl
34. rminal Adapter B9284LK A External Sensor Cable Rated at 1000 V and used in a pair Safety Terminal Adapter screw fastened type Two adapters to a set for current screw fastened type Two adapters to a set for voltage Current sensor input connector Length 0 5 m B9317WD Wrench For B8213ZD and B8213ZA B9988AE Printer Roll Paper For PX8000 10 m x 10 CT60 AC DC Current Sensor Max 60 Apk DC to 800 kHz 3 dB CT200 AC DC Current Sensor Max 200 Apk DC to 500 kHz 3 dB CT1000 AC DC Current Sensor Max 1000 Apk DC to 300 kHz 3 dB A Due to the nature of this product it is possible to touch its mental parts Therefore there is a risk of electric shock so the product must be used with caution Use these products with low voltage circuits 42 V or less Yokogawa s approach to preserving the global environment m Yokogawa s electrical products are developed and produced in facilities that have received ISO14001 approval m in order to protect the global environment Yokogawa s electrical products are designed in accordance with Yokogawa s Environmentally Friendly Product Design Guidelines and Product Design Assessment Criteria Notice m Before operating the product read the user s manual thoroughly for proper and safe operation m If this product is for use with a system requiring safeguards that directly involve personnel safety please contact the Yokogawa offices m Warranty period of
35. testing and analysis Reactor loss measurement of inverter boost circuits Reactor loss measurement of inverter boost circuits Overview A reactor is used to filter out noise and boost voltage levels prior to the use of an inverter It consists of an electromagnetic material core and a coil A main focus for electrical engineers is to reduce power loss across the total inverter system and reactor performance is of particular interest There are two potential evaluation methods direct loss measurement of the reactor and iron loss measurement The PX8000 supports either methodology because it can accommodate both high frequency measurement and low power factor conditions Inverter Reactor Variable Power Supply Current Measurement Voltage Measurement Core loss Power value W x PX8000 The PX8000 advantage 12 Low power factor measurement Higher sampling rates and broad bandwidth make the PX8000 particularly useful for testing devices such as transformers and reactors that have lower power factors It is particularly important to measure the precise power consumption of such devices at high frequency De skew functionality To analyze power consumption in low power factor devices it is particularly important to minimize any time differences between voltage and current caused by sensor input characteristics The PX8000 provides precise de skew adjustment to compensate for this time
36. urve thanks to features familiar to anyone who s used to power measurements or oscilloscopes SIN x21 Shi ia MK Xi J i Y F i ELITS Features and benefits Features and benefits Transient power measurement and analysis 120 88 0 7519 TD tata i 0 9707 Simultaneous power calculation The PX8000 provides simultaneous voltage and current multiplication to give real time power sampling This supports both transient measurement as standard and numerical values averaged across the sample period The available measurement period will depend on the sample rate and the memory size Cycle by cycle power trend measurement Trend measurements between waveforms can be calculated by mathematical functions up to four million points The PX8000 provides graphical displays of voltage current and power readings The waveforms can be inspected for specific numerical values at any point and averages can be calculated between start and stop cursors Such capabilities are particularly important when analyzing and optimizing the performance of for instance lighting and electric motors at start up PX8000 The PX8000 has a number of innovative features that support the crucial measurement and analysis of transient power profiles Specific time period measurement The PX8000 supports the capture of power wavefor
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