Partial Discharge
voltage discharge within an insulator causing dielectric breakdown.
See Also: Partial Discharge Detection, Partial Discharge Monitors, PD, PD Test, Partial Discharge Test
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Partial Discharge
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Partial discharge (PD) is a local electrical discharge that occurs in imperfections or inhomogeneities. The partial discharge measurement is a so-called “non destructive test” to determine the quality of insulating materials. On the contrary of pure high-voltage test, th test item is not pre-damaged at low PD levels.
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Partial Discharge Tester
19501-K/19500
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Chroma 19501-K partial discharge tester combines hipot test and PD (partial discharge) detector functions in one instrument. The device is capable of a maximum 10kV AC output with leakage current measurement range of 0.01uA and a minimum partial discharge detection of 1pC. The tester is specifically developed to test high voltage semiconductor components and high insulation materials.
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Expert Partial Discharge Detector
XDP-II™
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The well-established XDP-II™ is a battery-operated portable device allowing partial discharge detection and analysis. The data is saved in its internal memory for local or further analysis on the PC-based XDP-SOFT™. Paired with the proper accessories, the XDP-II™ becomes a powerful solution for many applications such as Cable Joints and Elbows, Switchgear, Offline, Acoustic, TEV, Rotating machines, Transformer, etc…
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Partial Discharge Simulation Devices
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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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Online Partial Discharge Alarm System
PD Annunciator™
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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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Portable Partial Discharge/ Detection
AE-150
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The AE-150 is designed to detect and localize Partial Discharge activity inside oil-insulated power transformers. This instrument is a powerful diagnostic tool that combines electric and acoustic sensing technologies to perform partial discharge pinpointing.
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Partial Discharge Tester
19501-K
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Chroma Systems Solutions, Inc.
The Chroma 19501-K Partial Discharge Tester is an instrument equipped with AC hipot test and partial discharge detection functions, providing 0.1kV~10kV of AC output, 0.01μA~ 300μA of leakage current, and 1pC~2000pC partial discharge detect ion range for measurement. Chroma 19501-K Partial Discharge Tester is compliant to the IEC60270-1 standard in particular the partial discharge testing requirements for high voltage.
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Partial Discharge Inductor
Tracy
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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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Partial Discharge Detector
PDD 100
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The Insulator partial discharge detector is a state-of-the-art technology used by NASA. The Parabolic design of the disc helps to maintain and detect ultrasound from safe distance of 100 Meters. Enhanced ultrasound detection is provided to the device, by combining the features of the already proven Ultra sound sensing technology with extended range and sensing capabilities. A pistol like grip laser pointer, and rifle sights make the Insulator partial discharge detector easy to handle and use.
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Partial-discharge Detection System
GDYT Series
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GDYT series include partial discharge power frequency testing transformer(YDTW),partial discharge detector(GDJF2008),Isolation filter frequency doubling power device(GDSF-81G) and power frequency withstand voltage control table(GDYD table).It widely used in electrical manufacturing,power operation departments, research institutes and universities.
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Universal Partial Discharge Measurement and Analysis System
MPD 800
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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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Superior Handheld Partial Discharge Detector
PDStar
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Power Monitoring and Diagnostic Technology Ltd.
PMDT is proud to present one of our latest innovations, the PDStar. It integrates On-Line Partial Discharge (OLPD) testing and Infrared testing for MV and HV equipment, which combines UHF, AE, Ultrasonic, HFCT, TEV, and Infrared testing technologies. It is applicable for online PD testing, as well as abnormal heating and defect detection on all types of substation equipment. PD amplitude, PRPD, PRPS, and infrared spectrums provide critical data for determining the operational condition of electric power equipment. It connects to the PMDTCloud via Wi-Fi/3G/4G to upload test data, download test tasks, and receive diagnostic results in real time. Another uniquely advanced feature of the PDStar is that it integrates with a 100 MSPS (Mega-Samples per Second) HFCT signal processor, which greatly improves the performance for power cable OLPD testing.
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Partial Discharge Monitors
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Partial Discharge Monitors provide a complete package that includes sensors, cables, data acquisition unit, processing unit (CPU) and software.
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Partial Discharge Detecting Systems
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Hangzhou Xihu Electronic Institute
Cable PD detecting and positioning system, transformer PD detecting and positioning system, switchgear PD detecting and positioning system, GIS PD detecting and positioning systems.
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Partial Discharge Solutions
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From software systems to hand-held instruments, we’ve developed industry-leading technology to help you keep on top of ageing assets. Spot the warning signs, including partial discharge, to manage maintenance and make timely repairs.
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Partial Discharge Test Set Up
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This testing set is of great use in industries for various testing applications. We strictly follow all the guidelines while manufacturing this Partial Discharge Test Set Up.
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Partial Discharge Detecting Detectors
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Hangzhou Xihu Electronic Institute
Including pulse current PD detecto, high frequency PD detector, transient earth PD detector, ultra high frequency PD detector, and ultrasonic PD detector.
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Partial Discharge Measurements
MPD 500
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The MPD 500 simplifies routine factory partial discharge measurements for electrical insulation systems. Engineered with OMICRON's long time experience, the MPD 500 is optimized for routine tests in high throughput environments.
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Partial Discharge Measurement and Analysis System
UHF 800
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Our UHF 800 is a system for measuring and analyzing partial discharges in the ultra-high frequency (UHF) range in testing environments with high levels of external noise.
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Advanced Handheld Partial Discharge Detector
PDetector
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Power Monitoring and Diagnostic Technology Ltd.
The PDetector is an ideal device for On-Line Partial Discharge (OLPD) testing of MV and HV equipment which employs all 5 types of OLPD sensor technology: Ultra-High Frequency (UHF), Acoustic Emissions (AE), Ultrasonic, High Frequency Current Transformer (HFCT), and Transient Earth Voltage (TEV). The information from multiple sensors gives the PDetector the versatility to detect all types of PD in all types of substation apparatus. The exact type of PD activity can be determined effectively using multiple on-screen data spectrum analysis.
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Partial Discharge Testing Equipment
PD-Analyser
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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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Partial Discharge Meter
APD-LT
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The APD-LT equipment is a partial discharge meter in cable accessories (heads or insulators) to improve safety and maintenance. The PD level is presented numerically in the wireless unit.
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Partial Discharge Tester (Dry Type)
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Partial Discharge testing is a way of detecting voids or imperfections in insulators that would lead to overheating and breakdown under normal operating conditions. Due to the nature of the signal being measured, this test is very susceptible to electronic and RF noise and a proper corona-free properly isolated test chamber is required.
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Partial Discharge Detector
PXDP-II
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The PXDP-II partial discharge meter is a portable device that performs detection and measurement of partial discharges in electrical devices or components. It records partial discharge measurements for analysis and diagnosis through the optional PC software. The PXDP-II can be used in various applications and complies with IEC 60270.
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Partial Discharge Locator
INDIPOINT
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Ultrasonic directional microphone for the location of PD The very best maintenance instrument for partial dischargetrapping in medium and high voltage plant.
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Partial Discharge Pulse Calibrator
TPK
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Partial discharge puls calibrator TPK is a battery-powered handheld device for determining the correction factor in a Partial Discharge test circuit and to verify the Partial Discharge measurement.
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Partial Discharge Detection Calibration Device
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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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Partial Discharge and Tan Delta
PDIX Series
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PDIX is a combined partial discharge and tan delta cable diagnostic testing system. By combining HVI’s VLF products with PDIX products, users can perform VLF AC withstand, partial discharge detection, and tan delta measurement on medium and high voltage cables, rotating machinery, and other apparatus with one integrated package fully supported by HVI & PDIX.
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Portable GIS Partial Discharge Detector
JHPD-10
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Xiamen Jiahua Electrical Technology Co.,Ltd
JHPD-10 quickly and accurately detects various kinds of partial discharge signals that occur with insulation defects in GIS. Attached on the surface of GIS the detector collects the inside discharge signal of impure gas, suspension potential and solid insulation material. The diagnostic software analyzes the fault character and locates the fault to avoid electricity accident. The device is for daily patrol inspection with high efficiency and easy operation features. Designed with two UHF signal channels, one detects the partial discharge signal; another excludes the disturbance signal like corona discharge in the air and mobile phone communication.
