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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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Corona Camera
TD 100
TD100 is an innovative NDT - Non-Destructive Testing equipment, which detects, pinpoints and documents flash-arc corona and arcing partial discharge camera. Being with high sensitivity, it is a power tool to detect UV emission in full daylight with high signals from faraway and nearby sources.
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Partial Discharge Meter
TMG
The partial discharge meter TMG was developed for Partial Discharge tests according to VDE 0434 and IEC 60270.
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Ultrasonic Leak Detection Camera
Leakshooter LKS 1000-V.2
1st ultrasonic compressed air, gaz and vacuum leak detector with camera. Specialy dedicated to visualize the spots where compressed air is leaking, the LEAKSHOOTER LKS 1000 – V.2 has many other applications such as : steam trap monitoring, bearing monitoring, electrical applications like partial discharge, corona effects, punctured isolators, electrical tracking detection.
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Partial Discharge Measuring Equipment
Electro Mechanical Enterprises
Partial discharge instruments have two modes of Wide Band and Low Frequency. You can use it for Partial Discharge tests of High-Voltage Equipment, Insulation Materials, High-Frequency Equipment, and Power Semiconductor devices. Partial discharge Measuring Equipment can easily realize the test of Partial discharge on print-circuit boards, connectors, semiconductors, small motors and other insulation materials, to make a judgment on good / bad of them
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Acoustic Imaging
Acoustic imaging offers cutting-edge solutions for precise leak detection, partial discharge identification, and mechanical fault diagnosis. With high-performance microphone arrays and advanced algorithms, our products ensure exceptional industrial safety and perfomance.
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Partial Discharge Test
INDIPORT
For medium voltage switchgear - partial discharge test in a few minutes - without shutdown.
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Partial Discharge Detection System
JFD-2000
Wuhan Sangao Electrical Test Installations Limit Co.
Ease of use was the mandate to our engineering and design teams. The JFD-2000 uses the worldwide standard Windows operating system and an intuitive control and display panel to allow even inexperienced operators to learn quickly with minimal training. In addition, advanced features such as higher accuracy, auto-mated calibration, data analysis, and customized test recording, are standard. Use as much or as little as you like.
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Partial Discharge Locator
INDIPOINT
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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High Frequency Current Transformer
HFCT Ø 140mm
Techimp Clamp High Frequency Current Transformer model 140 is an inductive sensor for partial discharge measurements. It is suitable for online /off line PD tests on : large diameter cables ; grounding rod bar ; etc. A TNC termination is available to connect the Clamp HFCT 140 to the TechImp PD analyzer : PDCheck , PDBase etc. The arrow indicates the requested input current (Iin) direction to get coherent output voltage (Vout) polarity respect to ground. When the sensor is installed with the arrow directed to ground, the detected voltage signal (Vout) has the same phase of the input current (Iin).
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Horn Antenna
Horn antenna is a partial discharge sensor designed to receive electromagnetic (EM) emissions from a PD occurring in electric assets like GIS and GIL or MV and HV power transformers. It is a broadband antenna with a flat response which makes Horn antenna suitable in a number of different applications. It has been optimized to operate in a frequency range suitable for PD activity monitoring and it was designed to provide maximum sensitivity and high gain.
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Portable Partial Discharge/ Detection
AE-150
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 Measuring Equipment
Different from a conventional partial dischargemeasuring set provided with a fixed testingfrequency, Model DAC-PD-5 is newly designed toselect the center and the bandwidth of testingfrequencies so that partial discharges emitting in anoptional frequency in the range of a specifiedbandwidth can be detected. Generally, partialdischarges are measured in a wide band frequencythough; the detecting sensitivity must be lowered inorder to detect partial discharges partially.DAC-PD-5 has a wider bandwidth and can measurepartial discharges in a high sensitivity by bypassingnoises emitting bands.
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AC Insulation Testing
Weshine Electric Manufacturing Co., Ltd
High-voltage Dividers (High Potential Divider) are used to measure voltages and decouple partial discharges in high-voltage test systems. Depending on the specific type, they are used to measure alternating voltage (AC), direct voltage (DC), lightning impulse voltage (LI), and switching impulse voltage (SI) systems. High-voltage dividers by HIGHVOLT comply with the relevant IEC standards. The systems are available for both indoor and outdoor use.
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Partial Discharge Tester (Dry Type)
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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Automation
The Transformers and measurement capacitors used in high voltage and Partial Discharge test equipment are typically reliable over several decades of continious use. The control technology is however typically obsolete after only 10-15years. MPS offers automated , state-of-the-art High Voltage Testing Equipment with the following features.
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Field Testing Services
Power Monitoring and Diagnostic Technology Ltd.
PMDT offers three levels of testing services both domestically in the US and globally. With the best quality products, complete PD solutions, rich on-site testing experience, experienced partial discharge experts and field engineers, PMDT also provides PDExpert Services -- professional on-site partial discharge detection and location services to help the customers find the potential risks, evaluate the operating status of the electrical assets, and deliver complete and final problem solutions.
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Portable PD Analyzer
AQUILA
A compact and portable Partial Discharge acquisition unit, which allows to detect and analyze partial discharge activities in all electrical assets: from power cables to transformers, rotating machines and switchgears, together with the right combination of sensors and accessories. AQUILA comes with a full range of options, ideal for field testing.
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Advanced Handheld Partial Discharge Detector for Electric Power Equipment with Multi-Sensor and Cloud Diagnostic Technologies, Data Management Software, and Test Management App
PDetector
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. The PDetector greatly simplifies and standardizes the routine OLPD testing procedure by using the Intelligent Patrol function, the PDetector App, and the PMDTCloud. It is a very powerful and helpful tool for substation operators to conduct routine testing in a substation quickly, to determine what the issue is, and where it is located.
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Substation Series Testers
GTPD-92
Partial discharge（PD） is a pulsed discharge that produces a series of physical phenomena and chemical changes such as light, sound, electrical and mechanical vibrations in and around electrical equipment.
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Partial Discharge Test Set Up
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 Calibrator
TPK-H
The high voltage-resistant Partial Discharge calibrator is used to determine the correction factor in the PD test circui.
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Partial Discharge Detecting Detectors
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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Software
The MSPS Software offers complete remote control of the partial discharge test set TPP.It is built ontop of a powerful database and offers the following possibilities. It is especially designed for use in a continious manufacturing test environment within a quality management system.
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PD (Partial Discharge) Tester
Weshine Electric Manufacturing Co., Ltd
Using the Windows system operating platform, you can freely choose ellipse, straight line, sine wave display, two-dimensional, three-dimensional graphic analysis mode, spectrum window, Q-V-F three-dimensional characteristic window, and static detailed measurement, observation and analysis of partial discharge pulse of one-cycle test voltage .
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Real-Time Online Monitoring to Detect and Analyze Potential Partial Discharge (PD) Signals and Insulation Faults using UHF, AE, and HFCT
PDMonitor
Power Monitoring and Diagnostic Technology Ltd.
The PDMonitor, which utilizes Ultra High Frequency (UHF), Acoustic Emission (AE) and High Frequency Current Transformer (HFCT) sensors and is designed to conduct real time online monitoring to detect and analyze potential Partial Discharge (PD) signals and insulation faults before they lead to breakdown or catastrophic failure in power assets. The system provides the developing trend of the PD, when occurring, as alarms in real time, thus helping to predict the insulation degradation status of the asset, prevent sudden accidents, and provide an effective database for Condition-Based Maintenance (CBM) of power assets.
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Lightning Rod Flaw Detector
PADD
We developed the PADD for the detection of internal and external partial discharges on metal oxide lightning rods. Defects can cause radio interference in communication systems or TV images, interference whose origin is very difficult to locate. We have developed a unique technology for detecting radio frequencies for use under voltage.
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Partial Discharge Measuring System
LDS-6
The Doble LDS-6 is a highly sophisticated digital measuring system for partial discharge detection and analysis. It is trusted as a valuable tool for factory and laboratory testing.The LDS-6 can be used to test a variety of high voltage apparatus. Use the LDS-6 to perform PD quality tests on motors, generators, transformers, MV and HV cable systems, switchgear and additional HV accessories.The LDS-6 complies with IEC 60270, VDE 0434 as well as various IEEE and other standards.
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Insulation Resistance Meter
AMIC-15k1
*The partial discharge indicator PDI.*Diagnosis of insulation systems based on standard measurements of IR, DAR, PI, SV, RT, DD*Allows to test the electrical durability of the tested object - indication of breaking voltage.*The high resistance to electromagnetic interference ensures uninterrupted operation in power plants and near high-voltage transmission lines up to 1200 kV AC and 500 kV DC.
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Tan Delta Measurement
TD Series
While partial discharge measurement is suitable for detecting electrical trees, tangent delta measurement – also referred to as dissipation factor measurement – detects water trees which have formed in the insulation of the device under test.
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Partial Discharge Detecting Systems
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.
