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CableData

®

Collector

Operating Manual

Model No: CDC3
Document Version: V01.01.00
Date: 8 July 2021

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Summary of Contents for CableData CDC3

Page 1: ...CableData Collector Operating Manual Model No CDC3 Document Version V01 01 00 Date 8 July 2021 ...

Page 2: ...tem of any nature without the written permission of the copyright holder EA Technology Ltd July 2021 EA Technology Limited Capenhurst Technology Park Capenhurst Chester CH1 6ES Tel 0151 339 4181 Fax 0151 347 2404 http www eatechnology com Registered in England number 2566313 Version History Date Version Author s Notes 10 06 2021 01 00 00 Sam Russell Initial Release 08 07 2021 01 01 00 Sam Russell ...

Page 3: ...voltage and the instrument its probes and the operator always Do not make measurements with electrical storms in the vicinity Do not make measurements immediately following the energization of a circuit Do not disturb the plant during measurements either mechanically e g shaking or striking it electrically e g increasing the voltage or physically e g applying heat Do not operate the CDC or any acc...

Page 4: ...ng a HFCT 4 2 8 Calibration 4 3 CDC Software Installation Setup 6 3 1 Software Installation 6 3 2 Connecting the CDC 8 3 3 Settings Setup 9 4 Using the CDC Software 10 4 1 Software Initialisation 10 4 2 Main Screen 11 4 3 Main Screen Data Entry Requirements 12 4 4 Data Capture 19 4 5 Capture Data Reports 23 4 6 Restoring Software Default Options 25 4 7 Uninstalling the CDC Data Acquisition Softwar...

Page 5: ...ltage pulse coupled to the earth sheath of the cable These pulses will propagate away from the PD side in both directions Once the pulse reaches a change in impedance this will cause a partial reflection This results in the pulses travelling back down the cable several times dependent upon cable length as they decay away Measurement is taken using the High Frequency Current Transformer HFCT at one...

Page 6: ...ormer is connected Only the supplied phase reference transformer specifically designed for the CDC should be used on this input Each channel can be identified from the top enclosure label Figure 1 CDC Top View The rear of the CDC contains the following connectors SD card slot Currently unsupported functional Do not insert an SD card into this slot Three status LEDs Further information on the LEDs ...

Page 7: ...reference is required by the CDC to improve the data analysis allowing classification of events based on phase position There are two supported methods for this 1 Recommended Method Connecting a phase reference transformer to the Auxiliary channel 2 Using a HFCT connected one of the CPD measurement channels 1 2 or 3 2 5 Transformer Reference The preferred supplied phase reference transformer provi...

Page 8: ... if being used in three phase 3P mode all three input channels 1 2 3 will be attempted This information is logged in the capture reports which can be viewed at the end of the data capture process 2 7 Taking PD Measurements using a HFCT Using the CDC with a HFCT for detection of Partial Discharge PD on single or three phase cables can be done non intrusively using multiple configurations The config...

Page 9: ...libration Due Date will give information of the remaining time until the recommended calibration date expires Figure 5 About Window If the CDC calibration has expired a warning will be displayed during start up shown in Figure 6 Clicking OK will allow the software to continue collecting data not recommended Figure 6 Warning about calibration expiry ...

Page 10: ...ess Windows administrator privileges are required to install the CDC software Running CableDataCollector_Setup exe file requires confirmation for installation progress Figure Figure 7 To start the installation click Yes and this will start the preparation process for the required virtual COM port drivers which are necessary to communicate with the CDC Figure 7 Install Confirmation Upon preparation...

Page 11: ...ion The next set up screen Figure 11 installs the CDC Software Click Next to progress Figure 11 CDC Setup Wizard The license agreement Figure 12 is displayed which should be read understood Failure to agree to the license agreement renders Desktop collector software installation not possible Click the I Agree button To agree followed by Next Figure 12 License Agreement ...

Page 12: ...4 click Close to exit Figure 14 CDC Wizard Completion Screen 3 2 Connecting the CDC Before the application can be run for the first time it is important to make sure that the correct drivers are installed To do this connect the CDC to the PC via USB cable The device will automatically power on upon connection If the CDC has not been connected before Windows should take a few moments whilst the dri...

Page 13: ...peat process for the second COE file Filter 2 If updating selected filters always set so that the more restrictive filter is set to Filter 2 For the supplied filters the High Pass 500kHz filter will block frequencies DC up to 500kHz The High Pass 1 8MHz will block frequencies DC up to 1 8MHz As the High Pass 500kHz filter will let through a wider range of frequencies this should be set to Filter 1...

Page 14: ...eck USB cable is securely connected and click Yes On some laptops not all USB ports will function correctly try connecting CDC to a different USB port if the error persists If the error message persists and the cable and laptop have been ruled out as the source of the problem contact EA Technology for further assistance Figure 17 CableData Collector Software Start up If during loading procedures i...

Page 15: ...0 MANUL V01 01 00 CDC3 Operating Manual Page 11 of 30 4 2 Main Screen Correct software initialisation device discovery produces the main screen Figure 19 Figure 19 CableData Collector Software Main Screen ...

Page 16: ...eted before data collection can begin The required fields are as follows Job Number Licence Area Feeder Number Engineer Name Substation ID Feeder Number Substation ID Cable Type RFCT Type Voltage Switch Position Phase Attempting to start recording data without completing the required fields will prompt 0 Figure 20 Error message when starting a capture with incomplete information ...

Page 17: ... this is shown in Figure 21 Figure 21 CableData Collector Software with incomplete data The first set of fields are free text and can have any values entered These are Job Number Customer Location Engineer Name and Facility Name The second set of fields relate to the circuit that is currently under test Substation ID and Circuit ID are free text and must be populated ...

Page 18: ...he window is shown in Figure 23 Enter the Cable Type and click Add This will add the newly entered cable type to the list of available options and will save it so that it can be selected again in the future Figure 23 Adding new cable type The newly entered option will be automatically selected for the data capture and will be available for selection in any future assessments as shown in Figure 24 ...

Page 19: ...aptured however this limits the maximum length of the cable that can be tested A lower sampling rate allows longer cables to be tested however the high frequency resolution will be reduced If the cable length is an estimate and the length is thought to be near to a length limit for the sampling rate it is recommended to choose a slower sampling rate to ensure that mapping is possible The theoretic...

Page 20: ... new voltage Only the numeric value of the voltage needs adding as the software automatically adds the CDC With the new value entered click Add Figure 29 Voltage Entry 4 3 5 Switch Position The Switch Position option is to enter the status of any switch that may be present on the cable at the point of measurement If there is no switch present then Absent should be selected The Open option would be...

Page 21: ...HFCTs Belted Cable should be selected when the earth conductor surrounds all three cores and it is not possible to attach an HFCT to a separate earth conductor for each core The drop down list is shown in Figure 31 Figure 31 Measurement selection For Belted Cable no phase information is required and so the configure window is not needed as the phase setting is locked to belted For Single Phase and...

Page 22: ... phase for single phase measurement For a three phase measurement the phase naming convention must be set in the same way All three drop down lists for the channels will now be activated and each drop down list must have an option selected The drop down list for channel 3 is shown in Figure 34 Figure 34 Setting phase for three phase measurement Once the phase for each channel has been set click OK...

Page 23: ...showing any signs of moving then the data capture should be skipped to the next stage using the Skip button The Skip button will only be active during waveform capture as raw data capture cannot be skipped During the data capture the Settings button on the main screen will change to the Cancel button and at some stages the Skip button will become active Figure 36 Cancel Button Location once captur...

Page 24: ...ault on the cable During the data capture process the data collection will switch between the two In addition to this the filter that is in use will also be changed to remove as much noise as possible from the collected data The waveform capture time is dependent on the levels of partial discharge on the cable and also depends on the level of background noise If there is a quiet cable with very li...

Page 25: ...data capture will take longer than for single phase captures Stage Filter Data Type Trigger Channel 1 Unfiltered Raw All 2 Unfiltered Waveforms 1 3 Unfiltered Waveforms 2 4 Unfiltered Waveforms 3 5 Filter 1 Raw All 6 Filter 1 Waveforms 1 7 Filter 1 Waveforms 2 8 Filter 1 Waveforms 3 9 Filter 2 Raw All 10 Filter 2 Waveforms 1 11 Filter 2 Waveforms 2 12 Filter 2 Waveforms 3 Table 3 Three phase captu...

Page 26: ... Capture Process Started Figure 42 Started Unfiltered Waveform Capture time taken is dependent on PD activity Figure 43 Completed capture for all channels If data capture is cancelled part way through the data collection process then both bars will appear full and remain green similar to when data capture has completed If the phase reference source is lost or interrupted during data capture both p...

Page 27: ...lity Figure 46 shows the capture report for a successful three phase capture with a good phase reference There are many events 900 waveforms per channel and 0 phase reference errors This is what a Capture Report should ideally look like Figure 46 Capture Report for successful three phase capture with constant phase reference Figure 47 shows the capture report for a successful single phase capture ...

Page 28: ... file 4 5 2 Saving capture data The captured data files will be saved in a file with an automatically generated name All the data will be saved into the Root Folder as set on the Settings window Within this directory a new directory will be created with the Job Number In this directory there will be a directory for each day that collection was performed In this directory will be the individual dat...

Page 29: ...oves all added options and will only show the default ones From the software screen click the Settings button shown in Figure 50 Figure 50 Settings button on main screen On the Settings screen there is a button in the bottom left corner labelled Remove User Customisations visible in Figure 51 Figure 51 Remove User Customisations button The confirmation shown in Figure 52 will be displayed warning ...

Page 30: ...ware is already installed this must be uninstalled before installing the updated version 2 x x software From version 2 x x onwards any updates will automatically upgrade the installed software meaning the old software will not need to be removed beforehand Uninstalling the software will cause the user customisations to be lost for example custom cable voltages and cable types After uninstalling th...

Page 31: ... HFCT Maximum cable length Cable construction dependent Measurement type Single phase or three phase Digital Filter Ranges Unfiltered 500kHz high pass 1800kHz high pass Bandwidth Unfiltered 4KHz 49 MHz Minimum Event Detection 5pC with HFCT1 F50 Gain ranges 4 12dB 6dB 0dB 6dB Measurement Accuracy 1 dB Phase reference Auxiliary phase reference transformer CDC2 PRT or HFCT 10A minimum primary current...

Page 32: ...ectromagnetic compatibility EMC Generic standards Immunity for industrial environments EN 61000 6 4 2019 Electromagnetic compatibility EMC Generic standards Emission standard for industrial environments 6 Declaration of Conformity Hereby EA Technology declares that the equipment described in this document is in compliance with all applicable EU Directives and UK Statutory Instruments The full text...

Page 33: ...ter the instrument Abrasive cleaners or harsh chemicals must not be used Do not stand on the case No attempt should be made to gain access to the internal circuitry of the instrument or its accessories There are no user serviceable parts If any doubt exists over the equipment s performance or operation advice should be sought from the manufacturer or the supplier Waste electrical and electronic eq...

Page 34: ... the Warranty Policy The following are not covered damage caused by accident misuse abuse product modification or neglect damage resulting from failure to follow instructions contained in your operating manual damage resulting from the performance of repairs by someone not authorised by EA Technology Warranty Policy for Repairs Repaired products are warranted against defects in workmanship and mat...

Page 35: ...Safer Stronger Smarter Networks EA Technology Limited Capenhurst Technology Park Capenhurst Chester CH1 6ES t 44 0 151 339 4181 e sales eatechnology com www eatechnology com ...

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