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Differential

PT5040 Operation Manual Chapter 2 General specifications

Beeper alarm

Beep mode

ON (adjust for high and low tone), OFF

Memory

Built-in memory: 100 files

USB disk memory

Interface

HANDLER (START, STOP, PASS, NG, BUSY, EOC, etc.)

RS232C USB Device USB Host LAN

Comparison methods

Area size comparison

As shown in figure 2-1, when comparison method is set to AREA SIZE, the area sizes of both

standard waveform and the tested waveform are calculated (integration method) between A and

B. The percent deviation is the ratio of the area size difference to the area size of the standard

waveform between A and B, expressed as a percentage.

Figure 2-1 Area Size Comparison

The area size of the waveform is nearly proportional to the energy loss in the winding. When a

sample winding has a short circuit between layers, the short circuit area is reflected as an

increase of energy loss.

area comparison

When comparison method is set to Differential Area, PT50xx calculates the area size of

differential portion between the standard waveform and the tested waveform from A to B. (The

differential portion area size is indicated as the shaded part in Figure 2-2.) The percent deviation

is the ratio of the differential portion area size to the area size of the standard waveform between

A and B, expressed as a percentage.

2-2

Содержание PT5040

Страница 1: ...PT5040 Operation Manual Operation Manual KUST Elektronik GmbH PT5040 Impulse Winding Tester KUST Elektronik GmbH Am Weinberg 2 D 35619 Braunfels Germany info kust elektronik com P 49 0 64414471223 1...

Страница 2: ...to display area 3 5 Chapter 4 Introduction to DISP 4 1 Measurement display page 4 1 Introduction to symbols in measurement display page 4 1 Introduction to soft keys in measurement display page 4 1 S...

Страница 3: ...5 10 Chapter 6 Introduction to SYSTEM 6 12 6 12 Brightness 6 13 Pass Fail 6 13 Pass Alarm 6 13 Fail Alarm 6 13 Key Sound 6 13 Hard Copy 6 13 Password 6 13 Language 6 14 Theme 6 14 Date 6 14 Time 6 14...

Страница 4: ...ds 8 16 Standard WAVE subsystem commands 8 17 Wave Adjust subsystem commands 8 19 STATistic subsystem commands 8 20 MWINding subsystem commands 8 21 TRIGger subsystem commands 8 24 FETCh subsystem com...

Страница 5: ...To avoid electrical shock hazard do not touch test terminals and test samples The reason is that a high voltage test cable is connected to the rear panel of this instrument thus when testing the cable...

Страница 6: ...ulse winding test The impulse winding tester tests the electrical characteristics of coil winding without damaging the DUT The prerequisite condition is to test the quality of a coil at just a glance...

Страница 7: ...Power frequency 47 5Hz 63Hz Consumption 50VA Environment temperature Normal working temperature 0 40 Humidity 90 RH Referential working temperature 20 8 Humidity 80 RH Transferring environment tempera...

Страница 8: ...PS 100MSPS 50MSPS 20MSPS 10MSPS 5MSPS 2MSPS 1MSPS 500kMSPS 200kMSPS 100kMSPS Resolution 8bits Sampling point 6500bytes Standard wave sample Sequential cycle single cycle one sample up to 32 times of s...

Страница 9: ...area size of the standard waveform between A and B expressed as a percentage Figure 2 1 Area Size Comparison The area size of the waveform is nearly proportional to the energy loss in the winding When...

Страница 10: ...less than the corona difference limit then the comparison result will be PASS When the corona evaluation value is more than the corona difference limit then the comparison result will be FAIL The cor...

Страница 11: ...to set Figure 2 4 Phase Differential Comparison NOTE The tester can only set zero crossing points from 2 to 10 The first zero crossing point cannot reflect the actual performance of coils so it is not...

Страница 12: ...rge Scale dot matrix LCD displays measurement waveform set parameters system configurations etc 5 FILE this key to enter into the file setup page 6 SOFTKEY Six soft keys are used to select parameters...

Страница 13: ...key terminates numeric input data and enters the displayed value on the data input line bottom line of the LCD screen 16 HV High Voltage Indicator indicates that the instrument is outputting dangerou...

Страница 14: ...PT5040 Operation Manual Chapter 3 Panels and display 22 PrtSc Capture the screen information 23 POWER Switch on or off the main power Table 3 1 Front panel instruction 3 3...

Страница 15: ...instead of pressing the START key from the front panel 4 RS232C serial interface RS232C serial interface can be connected to an external device for remote control and operation 5 USB DEVICE interface...

Страница 16: ...pulse voltage and comparison results are displayed 3 Indicate whether a standard waveform exists H means a standard waveform exists while N does not 4 Indicate the waveform location in the memory 5 Im...

Страница 17: ...a shows the time between the two dash lines of this waveform display area in X direction The time shown in this area cannot be modified by user but varies with the sampling rate and time base zoom 13...

Страница 18: ...me function settings such as standard sampling Standard comparison setting Compare measurement function Measure auxiliary function Utility statistic function Statistics sampling rate etc Figure 4 1 sh...

Страница 19: ...dard waveform Each press of this soft key will reduce the sampling average times by 1 This key is available when Average is larger than 1 Undo All Cancel all acquisition data for standard waveform Thi...

Страница 20: ...son Differential Area Comparison Corona Discharge Comparison and Phase Differential Comparison The instrument collects the waveform data of 6500 points thus user can select the comparison area between...

Страница 21: ...to measure impulse voltage time and frequency Note When a function is selected two lines will be displayed in the waveform display zone The differential value of the two lines corresponds to the value...

Страница 22: ...ed corona means the corona is turned off The secondary display zone will display basic test parameters of the standard waveform and the comparison methods Return to the main menu Statistics Check save...

Страница 23: ...rease the selected value Coarse adjustment key used to decrease the selected value Fine adjustment key used to increase the selected value Fine adjustment key used to decrease lected value Measurement...

Страница 24: ...3 Wire or 3 Phase 4 Wire mode 1 Coil Test single coil 2 Coil Test two coils 3 Coil Test three coils 4 Coil Test four coils 3 Phase 3 Wire Test three phase three wire motor 3 Phase 4 Wire Test three p...

Страница 25: ...and sampling rate Winding only for channel instrument It used to set the type of the test windings Four channels instrument Normal Working Mode 1 Coil AG BG CG DG 2 Coil AG BG CG DG AB CD 3 Coil AG B...

Страница 26: ...te Move the cursor to the sample rate zone following soft keys are available Be used to select the desired sample rate Test Imp The number of tested impulses can be set from 1 to 32 Move the cursor to...

Страница 27: ...the fastest speed This way is suitable for users only needing the comparison result TEST In this mode only the test waveform is displayed thus it will take some time to refresh the tested waveforms af...

Страница 28: ...ed to change the delay time by 0 1s BDV Test BDV test is a test method for turn to turn insulation test Starting from Start Volt and ending at End Volt by a resolution of Volt Step the test is finally...

Страница 29: ...om 0 to 6500 the value of the end position must be larger than that of the start position Use numeric buttons to enter the required value and press ENTER for confirmation Move the cursor to this zone...

Страница 30: ...d press ENTER for confirmation Move the cursor to this zone following soft keys will be displayed They are coarse adjustment soft keys used to change the limit value by a resolution of 10 dots They ar...

Страница 31: ...y to E Copy internal files to external files in U disk Using the arrow key select the desired file If the selected file is needed to copy to an external U disk press Copy to E and then choose YES othe...

Страница 32: ...5 3 shows the page of external file Figure 5 3 External file The set parameters can be saved to a U disk external file in file format External file storage supports three extension names STA TXT CSV O...

Страница 33: ...the file name is not input the file will be named as the default name FILExxx TXT xxx ranges from 001 to 999 Press CSV the file will be save as CSV file If the file name is not input the file will be...

Страница 34: ...oduction to SYSTEM Press SYSTEM to enter System System Figure 6 1 shows the System page Figure 6 1 System Parameters irrelevant to test performance can be set in this page Brightness Pass Fail Pass Al...

Страница 35: ...arm Move the cursor to this zone following soft keys will be displayed They are soft keys used to adjust the volume of the fail alarm The lowest volume is mute Key Sound Move the cursor to this zone f...

Страница 36: ...Date Date can be set in this zone The display format is like 2012 06 06 Move the cursor to this zone following soft keys can be used They are soft keys used to adjust date by 1 day Note The date can b...

Страница 37: ...For example when RS232C interface is selected the cursor can move only in the RS232C setup zone PT50 RS232C RS 232 standard also called as asynchronous serial communication standard has already been w...

Страница 38: ...computer User can purchase the serial interface cable from our company PT50xx s baud rate data bit stop bit parity bit and Tx term can be set See the following 5 sections for details Commands of PT50x...

Страница 39: ...I is 0x0A CR Set the Tx term as r ASCII is 0x0D LFCR Set the Tx term as r n ASCII is 0x0D and 0x0A interface Move the cursor to this zone following soft keys can be used USBCDC Set USBCDC interface as...

Страница 40: ...er 6 Introduction to SYSTEM Figure 6 5 USBCDC has been installed Now usb VCom port acts as a serial port When PC has no serial port the communication software based on this serial port can be used as...

Страница 41: ...gh the USB interface This connection conforms to USBTMC USB488 and USB2 0 protocols Connect USB interfaces on PC and PT50xx through a USB cable Install drive The installing steps of USBTMC are the sam...

Страница 42: ...iguration PT50xx is connected to a PC by a crossover network cable If PT50xx is connected to a router peer to peer network cable should be used Parameter settings Select LAN interface in the interface...

Страница 43: ...duction to SYSTEM Figure 6 8 Network parameters of Host computer Figure 6 9 Network parameters of PT50xx 6 2 4 1 Access PT50xx through a browser When PT50xx is accessed through a browser it acts as a...

Страница 44: ...ure 6 10 Figure 6 10 Access to PT50xx through a browser 4 Click the item link as circled by the red line in above figure on the left side of the web page to enter the corresponding web page 6 2 4 2 Ac...

Страница 45: ...tion to SYSTEM Figure 6 11 About Following soft keys can be used in the About page Reset Press this key to reset the instrument Factory Press this key to reset the instrument to factory settings Firmw...

Страница 46: ...t cable to DUT and press START thus a test for DUT is done Waveforms of the damping oscillation will be displayed in the primary display zone observe the density of the waveforms and then modify the s...

Страница 47: ...layer short Turn to turn short refers to the short caused by the insulation damage between turns Layer to layer short occurs in the coil consisting of multiple layers There are two kinds of short dire...

Страница 48: ...a comparison is mainly applied to detect coil s internal insulation failure If it is required to test inductance differential area comparison should be selected Settings of comparison method Sample th...

Страница 49: ...e the most similar differences 3 Take the selected products to make sample average 4 3 1 1 Manual and choose the final result as the standard wave 4 Results obtaining after procedures 1 3 can be taken...

Страница 50: ...and the lower level commands See Figure 8 1 for a sample COMParator AREAsize DIFFzone COMP AREA ON COMP DIFF OFF RANGe COMP AREA RANG 0 6500 Figure 8 1 Command Tree Basic rules of commands structure L...

Страница 51: ...ddle or last on a multiple command line partitioned off with semicolons For example COMP AREA ON trg DIFF ON Short form rules If complete commands and parameters called long form afterwards have four...

Страница 52: ...command is sent PC should be in receiving status so as to avoid data lose Notation conventions and definitions 1 The following characters are used in the command syntax A colon is used to separate th...

Страница 53: ...AVE MWINding TRIGger FETCh MEASure ABORt Mass MEMory Local Control GPIB common commands RST TRG IDN DISPlay subsystem commands The DISPlay subsystem commands set the display page Figure 8 3 shows the...

Страница 54: ...ates that the current displayed page is the measurement display page MEAS SETUP indicates that the current displayed page is the measurement setup page INT FILE indicates that the current displayed pa...

Страница 55: ...command sets the grid display mode The GRID query returns the current grid display mode Command syntax ON DISPlay GRID OFF 1 0 Where 1 decimal49 is equal to ON the grid display mode is ON 0 decimal48...

Страница 56: ...bsystem commands set the measurement function Figure 8 4 shows the command tree of the Measure Function subsystem commands Measure FUNCtion IW Break TEST Figure 8 4 Measure Function subsystem command...

Страница 57: ...IFFzone n STATe ON 1 OFF 0 RANGe start pot end pot DIFFerence value CORona n STATe ON 1 OFF 0 RANGe start pot end pot DIFFerence value PHASediff n STATe ON 1 OFF 0 POSition value DIFFerence value Figu...

Страница 58: ...RANGe query returns the current comparison range of Areasize comparator Command syntax COMParator AREAsize RANGe start pot end pot Where start pot start point of comparison range NR1 format range from...

Страница 59: ...r example WrtCmd COMP DIFF ON turn on the Diffzone comparator Query syntax COMParator DIFFzone STATe Return format Off NL END On The DIFFzone RANGe command sets the comparison range of the Diffzone co...

Страница 60: ...or state Command syntax ON COMParator COROna STATe OFF 1 0 Where 1 decimal 49 When the function is ON 0 decimal 48 When the function is OFF For example WrtCmd COMP CORO ON turn on the Corona comparato...

Страница 61: ...f comparator to ON or OFF The PHASediff STATe query returns the current Phasediff comparator state Command syntax ON COMParator PHASediff STATe OFF 1 0 Where 1 decimal 49 When the function is ON 0 dec...

Страница 62: ...COMParator PHAS n command to set the comparator limit value of specified multiple windings For two channel instrument n is 1 2 For four channel instrument n is 1 4 In Multi winding and Multi standard...

Страница 63: ...lti winding and Multi standard test The IVOLTage VOLTage n command can be used to set the voltage of multi winding At other times the IVOLTage VOLTage command is used to set up the pulse voltage The B...

Страница 64: ...imes of erasing impulses Command syntax IVOLTage EIMPulse value Where value is NR1 format ranging from 0 to 15 without unit For example WrtCmd IVOLT EIMPulse 4 set the times to 4 Query syntax IVOLTage...

Страница 65: ...returns the current sample rate Command syntax SRATE RATE value Where value The available values are listed as follows 200MSa s 100MSa s 50MSa s 20MSa s 10MSa s 5MSa s 2MSa s 1MSa s 500kSa s 200kSa s...

Страница 66: ...XTend MED MAX Where MIN Set to display all 960 points of the waveform which means the timer shaft is not extended MED Set to display the first 480 points of the waveform which means the timer shaft is...

Страница 67: ...y syntax SWAVE SMODE Return format SEQ CYCLE ONE CYCLE NL END ONE SAMPLE Where SEQ CYCLE is sequence cycle mode ONE CYCLE is one cycle mode ONE SAMPLE is one sample mode The TRIGger IMMediate command...

Страница 68: ...This command is valid only when sampling test is finished in SEQ CYCLE mode or ONE CYCLE mode subsystem comm Wave Adjust MOVE RIGHt 1 LEFT 1 MAX EXTend MIN 1 2 4 Wave Adjust subsystem commands The MO...

Страница 69: ...ic subsystem command tree STATistic STATe ON 1 OFF 0 CLEAr SAVE Figure 8 9 STATistic subsystem command tree The STATe command sets the statistic function to ON or OFF The STATe query returns the curre...

Страница 70: ...d tree The Winding TYPe Command sets coil type Command syntax 1COIL 2COIL MWINding Winding TYPe 3COIL 4COIL 3P3W 3P4W Where 1COIL Set the meter measure coil type to one coil 2COIL Set the meter measur...

Страница 71: ...ODe Return format NORMal BALance NL END The Std MODe Command sets meter standard mode Command syntax SingleSTD MWINding StdMODe MultiSTD Where SingleSTD Set the instrument work in single standard mode...

Страница 72: ...ing For example WrtCmd MWIN CWINding Return format string NL END Where string One coil AG BG CG DG Two Coil AG BG CG DG AB CD Three coil AG BG CG AB BC AC Four coil AG BG CG DG Three phase three wire...

Страница 73: ...esting state The trigger mode must be set to BUS mode or this command will be ignored This command is only used to trigger the test of DUT Refer to Standard WAVE subsystem commands for the details of...

Страница 74: ...TWAVE For example WrtCmd TRIG SOUR BUS WrtCmd TRIG WrtCmd FETC TWAVE NOTE If the waveform data is not ready the FETCh SWAVE and FETCh TWAVE query will be executed after the current measurement or nex...

Страница 75: ...NOTE The unit of the returned frequency is Hz If the start point is overlapped with the end cursor completely then 9 9E37 will be returned The TIME query returns the current time result in the set ti...

Страница 76: ...the upper one otherwise an error message will be displayed on the system message line Query sntax MEASure VOLTage Return format upper lower NL END Both upper limit and lower limit are NR1 format The F...

Страница 77: ...em command PT50xx will abort the current measurement as soon as the ABORt command is received Command syntax ABORt For example WrtCmd ABOR Mass MEMory subsystem commands The Mass MEMory subsystem comm...

Страница 78: ...line when you try to save a file without the standard waveform data NOTE The file name assigned by bus will be quoted without any change thus user can enter some special characters such as special sym...

Страница 79: ...to trigger a measurement except for sampling a standard waveform Refer to Standard WAVE Subsystem commands for standard waveform test IDN The IDN query returns the PT50xx s ID information Query syntax...

Страница 80: ...IVOLT 60000 the impulse voltage is out of its range Error parameter Unrecognizable parameter is used For example TRIG SOUR INTER INTER is not the correct short form and should not used Error unit suff...

Страница 81: ...The measurement data however is not valid until BUSY is asserted to low PIN BUSY PT50xx series is in the test state When calculation comparison and display are all completed this signal is asserted t...

Страница 82: ...olated output Each DC output pins 2 through 5 is the collector output of the built in pull up resistor and isolated by an opto coupler The output voltage of each line is set by a pull up resistor on t...

Страница 83: ...ing is to use external voltage source Refer to the next section Jumper Setup Isolated input The START signal pin 7 and the STOP signal pin 8 are connected to the cathode of the LED in an opto coupler...

Страница 84: ...han 8V you should replace the Current limit resistor to avoid damaging circuit components Current limit resistor R705 and R706 should be both replaced The detailed replacement information about Curren...

Страница 85: ...at the upper position If you want to apply the internal power supply you must set both jumpers at the lower position Likewise when using external power supply to substitute the internal power supply...

Страница 86: ...hip for a period of two years from the date of shipment You should supply us with the warranty card before you enjoy the free maintenance service This warranty does not apply in the event of misuse or...

Страница 87: ...PT5040 Operation Manual Chapter 10 Package contents and warranty NOTES 10 2...

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