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PD
voltage discharge within an insulator causing dielectric breakdown.
See Also: Partial Discharge, Partial Discharge Detection, Partial Discharge Monitors, PD Test, Partial Discharge Test
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Partial Discharge Inductor
Tracy
BAUR Prüf- und Messtechnik GmbH
Cable testing and diagnostics with the BAUR tracy. The BAUR tracy partial discharge inductor induces a signal at the apparent fault location in the cable from outside. In combination with any PD measurement system, e.g., PHG TD/PD, the induced signal can be located and compared with the result of the partial discharge pre-location. The partial discharge location can thus be determined precisely.* Portable, battery-operated signal coupling device* Suitable for cables and cable accessories* Inductive signal coupling* Aviods costly, unnecessary replacements of PD-free cable accessories
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Tap Adapter
Techimp Voltage Tap Adapter is gender changer which allows the user to connect to the test tap (sometimes called power factor tap) of high voltage transformer bushings.While keeping the test tap well below the safety voltage level required by the manufacturer, the Tap Adapter lets the user to drain high frequency PD signals for diagnostic assessment of insulating materials.A synchronization signal can be derived as well.It is suitable for both single shot as well as continuous PD monitoring.Although it must be customized on the basis of the shape and dimension of the test tap (to be provided by the Customer), many models are readily available for the most established transformer bushings. A list of the presently available models is reported below.Several thousands of hours of operation are a guarantee of reliability and accurate design.
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PoE Service Analyzer
PSA-3002-SA
Comprehensive Assessment of 2-Pair (802.3at) PoE Service at Any PD Outlet. The only PoE Service Tester built on Sifos PowerSync® Analyzer technology.• Analysis and Troubleshooting for All Standard 2-Pair (802.3at) PoE Installations Including Type-2, LLDP Power • Provisioning• Fully Verify Interoperability of PoE Service to the PD• Verify PoE Service Safety Features• Assess Continuous Power Delivery at the PD by PD Class• Assess Transient Power Delivery at the PD• Troubleshoot Intermittent PoE Service Problems• Colorful Microsoft Excel Reporting• Portable Instrument with Rugged Carrying Case
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Online Partial Discharge Alarm System
PD Annunciator™
The PD Annunciator™ unique design consists of a three channels acquisition module paired with sensors of your choice, most commonly TEV and Acoustic or HFCT. With many advancements and innovations, the PD Annunciator™ handles partial discharge monitoring on metallic cabinets using our proven and advanced technologies.
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40Gb/s Coherent Receiver
The integrated 40-Gb/s DP-QPSK receiver incorporates two 90° optical hybrids with four pairs of balanced photodetector (PD) and four linear TIAs into a single butterfly package. Unlike other technologies in which the polarization beam splitter (PBS) and/or the power splitter (BS) are not included, Optoplex’s receiver includes both of them with the optical hybrids, PDs and the TIAs to offer a fully integrated solution which will benefit users in terms of completely removing fiber routing and the skew management. The integrated receivers work at the symbol rate up to 12.8GBaud/s.
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Rapid PSE And Chained Data Test Of 4-Pair And 2-Pair PSE's
Chained Data Test Support for 802.3at and 802.3bt PSE's
Intuitive graphical user interface. Configures up to 24 2-Pair or 4-Pair ports for "snaked data path" testing. Verifies all PSE connections in the defined data path. Sequences user-defined PD emulations and PSE powering.Verifies powering to user-defined loading on all selected ports. Configures looped data paths across the selected ports. Support of 802.3at / 802.3bt LLDP power negotiations (PSL-3424L).
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Partial Discharge Testing Equipment
PD-Analyser
This is an ‘All in One’ solution for testing and analysing partial discharges in the insulation of high-voltage transformers, cables, GIS and electric machines. The DIMRUS ‘PD Analyser’ help diagnose their insulation state and find any type of defects very effectively.It can be used for temporary or constant monitoring of partial discharge in medium and high voltage systems and cables of any rated voltage.The PD Analyser is the most useful device for condition estimation of high-voltage insulation. This multipurpose device is designed for -Partial discharge measuring in high-voltage insulation at a high noise level.Fast detecting of the defects in different high-voltage equipment and identifying how dangerous they are.
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Sensor Technology
Power Monitoring and Diagnostic Technology Ltd.
PMDT is the only manufacturer to utilize all 5 types of online partial discharge sensor technology. Using multiple sensing methods ensures that PD activity is always discovered, located, and characterized. PMDT's handheld PDetector and PDStar units have more capability than the high-end diagnostic equipment of the past. The small handheld, battery powered unit can completely perform the test and analysis without the need of a PC. PDetector, PDStar, and PDiagnostic instruments feature high-resolution phase-resolved analysis of PD signals (PRPD and PRPS) in real time, so you get your test results instantly!
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Online PD Spot Tester
Liona
BAUR Prüf- und Messtechnik GmbH
Cable testing and diagnostics with the BAUR liona. Liona is a portable online PD spot tester for measuring and locating partial discharges in cables and switchgear during normal mains operation. Liona lets you test cable systems and electrical equipment online without switching off partial discharge activities, and then generate trend analyses. Even a PD spot test (duration: 5-10 minutes) is capable of reliably assessing the current status of your system.* Automatic PD detection during normal mains operation (without switching off the cable route)* With DeCIFer technology: PD identification based on 500 million measurement results* Precise online PD mapping with PD transponder
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Spiral Antenna
UHF Spiral antenna is a partial discharge sensor designed to receive electromagnetic (EM) emissions from a PD occurring in the monitored asset. It is a broadband antenna with a flat response which makes Spiral antenna suitable in a number of different applications. It has been optimized to operate in a frequency range typical for PD activity and it was designed to provide maximum sensitivity and high gain.
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Partial Discharge Simulation Devices
Hangzhou Xihu Electronic Institute
Simulation device of cable PD faults, simulation device of switchgear PD faults, simulation device of GIS PD faults, simulation device of transformer PD faults.
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UltraTEV Detector
The UltraTEV Detector is the ideal instrument for initial PD surveys. EA Technology's UltraTEV Detector identifies faults BEFORE they lead to failures by testing for critical PD activity using both internal and surface sensors. This device is essential to personal safety and due to its self-explanatory LED display system requires minimal training.
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Capacitive Divider
It can be chosen as PD sensor for Techimp PDCheck, PDScope or PDBaseII systems. It is suitable for on line or off line PD tests onrotating machines, for both spot measurements and monitoring applications. A BNC termination is available to connect the coupler through a coaxial cable.
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PoE Service Analyzer
The PowerSync Analyzer adapted to comprehensively assess PoE service at any PD outlet
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Powered Device Analyzer for 802.3at
PDA-602B
Emulate all Type-1 and Type-2 PSE’s, powering 2-pairs up to 41W at all PD input voltages. Optionally supports 802.3at PD Conformance Test Suite and LLDP emulations.
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PD Coupler
Techimp Capacitive PD Couplers offer both the PD and sync signals references, allowing a thorough investigation of the signal originating inside the asset they are connected to.Techimp Couplers are individually tested according to the following international standards: IEC60358; IEC60694; IEC60270.
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UltraTEV Plus
The UltraTEV Plus is the latest innovation being introduced to the award winning UltraTEV range. This easy to use instrument incorporates additional sensing capabilities and real time advances analytical features enabling you to distinguish between true PD, noise and other interference allowing you to make better decisions while saving time and money and enhance the safety of your staff and your network.
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Electric Vehicle AC Charging Compatibility ATS
8000
It is a customized system for Electric Vehicle AC Charging Compatibility testing.Hardware : Integrated by AC Source/Power Meter/DC Source/Function Generator/Scope/ EVSE CP & PD Simulator…。Software : Fully complies with SAE-J1772, CNS15511 test requirements
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Fibre Linked EHV And Distributed Assets PD Monitoring System
EHV-PDM
The EHV-PDM is a PD monitoring system designed for application on critical EHV and distributed assets, where the monitoring point could be many hundreds of metres or tens of kilometres apart. Fibre linked monitoring points transmit PD data over long distances to the main monitoring unit, which then processes the data and displays the results on a secure customer web front end.
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Solution for Industrial Monitoring
PDScope
Techimp PDSCope is a brand new product of the PDCheck family particularly designed to suit all the requisites of the Techimp TiSCADA systems for on-line monitoring of diagnostic quantities in electrical assets.Techimp PDSCope is a powerful PD analyzer based on Techimp TF Map technology (patented) allowing preliminary noise rejection and automatic calculation of statistical parameters relevant to Partial Discharges.
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Handheld PD Tester
Weshine Electric Manufacturing Co., Ltd
TEV partial discharge inspection instrument uses two emerging technologies, transient-to-ground voltage (TEV) measurement and ultrasonic (US) measurement, to detect faults in switchgear. The equipment is portable and easy to operate. The TEV sensor is attached to the wall of the box, and the US sensor scans and detects along the gap on the switch cabinet.
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PD Pipe & Cable Locator
PD / PD-H
Audio frequency 750cpsMaximum 100v outputFine Tune knob and LED's to easily match maximum impedanceInterrupter feature on oscillatorLCD meter on receiverReceiver loud speaker or headset useHoliday detection on buried pipe (PD/H)
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Multi-Channel PD System Locator
PDiagnostic Series
Power Monitoring and Diagnostic Technology Ltd.
The PDiagnostic is a portable system that utilizes Ultra-High Frequency (UHF), Acoustic Emissions (AE), High-Frequency Current Transformer (HFCT), and Transient Earth Voltage (TEV) sensors to detect, analyze, and locate the PD signals in real time for a multitude of medium and high voltage electric power equipment.The multi-channel PDiagnostic system locates PD on power equipment down to a meter by utilizing Acoustic-Electromagnetic Combination Location Technique, Time Difference of Signals’ Arrival (TDOA), Partial Discharge Signals Separation (PDSS), and 3D Positioning Technology with PC software included.The system features advanced PD diagnostic capabilities, automatic PD type pattern recognition, and accurate PD location capabilities. The PDiagnostic is an ideal trouble-shooting tool for your PD programs. Severity is determined and maintenance suggestions are provided accordingly.
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Partial Discharge Detection Calibration Device
Hangzhou Xihu Electronic Institute
Calibration Device of Transient Earth Voltage PD detector, calibration device of ultrasonic PD detector, calibration device of high frequency PD detector, calibration device of ultra high frequency PD detector.
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Training and Support
Power Monitoring and Diagnostic Technology Ltd.
Along with after-sales training, PMDT also offers training sessions for our representatives and customers scheduled throughout the year. These trainings will cover the basics of PD Theory, PD Types, Detection Methods, and the entire catalog of PMDT products and solutions, including how to use the products effectively.
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Cable Diagnostic Tools
For non-destructive diagnostic testing to determine the quality of a cable’s insulation with minimal risk of failure, HVI recommends tan delta and partial discharge testing for valuable diagnostic data about cable insulation integrity. Both use a VLF source to perform elevated voltage, off-line testing. Tan delta testing measures insulation health, while PD identifies specific problem areas and assesses their severity.
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Gas-insulated AC Test System
Yangzhou Power Electric Co., Ltd
The test system is used to do AC voltage withstand test and PD measurement for high voltage insulation products, combined electrical equipment, instrument transformers, etc.
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VLF Testing and Diagnostics System
PHG 70 TD/PD
BAUR Prüf- und Messtechnik GmbH
Cable testing and diagnostics with the BAUR PHG 70 TD/PD. With the PHG TD/PD, you get a multifunctional cable testing and diagnostics system that was specially designed and developed for medium-voltage networks. The PHG TD/PD system is also the only cable testing and diagnostics system that gives a comprehensive overview of the quality and ageing condition of the test sample. The diagnostic methods TD and PD are mutually complementary, because on one hand you can detect the complete condition and on the other hand locate * individual faults in the operating resources.* High performance VLF truesinus testing device (3 kW) with regulated output voltageCompact, enclosed design in 19" format* Variable installation option with separate control and voltage unit* Variable connection options to cable stations of different models
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Universal Partial Discharge Measurement and Analysis System
MPD 800
Our MPD 800 universal partial discharge (PD) measurement and analysis system represents the next generation of our widely-used and innovative MPD PD testing technology. Enhanced and newly-added hardware and software features ensure highly-sensitive multi-channel PD measurements for reliable, industry-standard PD testing on a variety of electrical equipment and components.
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PD Calibrator
PDCAL has excellent pulse-with stability; scale calibration factors are permanently stored inside its flash memory. Thanks to on board photo coupler PDCAL output pulse can be synchronized with the actual line frequency through external surrounding electrical light source systems.
