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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Product
PD Pipe & Cable Locator
PD / PD-H
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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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Product
Portable PD Analyzer
AQUILA
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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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Product
Portable PD Monitoring
ASM-P
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The ASM-P can be configured with up to 32 PD sensor channels. If excessive discharge is detected, the ASM-P raises an alarm that can be configured either locally or by email/SMS. This enables the long-term assessment of plant conditions to be carried out quickly and easily, from any remote computer.
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Product
Handheld Online PD Detector
PD-SGS
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Quick identification of PD activities in switchgear and cable accessories. The BAUR PD-SGS handheld online PD detector is used to conduct rapid initial tests for PD activities on live switchgear. Potential weak points are immediately signalled acoustically and numerically.* Initial rapid condition evaluation of switchgear and cable accessories during mains operation* Ideal for quick checks of MV and HV switchgear* Two integrated sensors:TEV sensor records PD on the surfaces of switchgearsAcoustic sensor records PD inside switchgears* Greater safety for test personnel switchgear tested for safety risks before starting work
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Product
Online PD Spot Tester
Liona
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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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Product
PD Monitoring systems
TECHIMP PD Hub™
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Techimp’s Partial Discharge (PD) Monitoring systems usually consists of a Central Unit and distributed Data Acquisition Units – the PD Hub™ - able to acquire and process the PD signals locally detected through PD sensors installed on each of main electrical assets (generator, transformer, HV cables and GIS).
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Product
Positive Displacement (PD) Meters
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Positive Displacement (PD) flow meters are volumetric flow measurement instruments ideal for low flow rates, highly viscous fluids, and measurement of flows involving starts and stops or pulsing. Positive displacement flow meters are similar in design to the gear pump. The principle of operation is reversed however; instead of the gears driving the fluid, the fluid drives the gears. A non-intrusive hall-effect sensor detects the movement of the gear and as each gear tooth passes the sensor, a square wave pulse is produced and a discrete volume of liquid is measured. The resulting pulse train is proportional to the actual flow rate and provides a highly accurate representation of the fluid flow.
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Product
Multi-Channel PD System Locator
PDiagnostic Series
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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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Product
Universal PD & EMI analyzer
Spark P3
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Doble Spark P3 is a universal partial discharge (PD) and electromagnetic interference (EMI) analyzer that uses a software defined radio signal detector to identify characteristics of insulation system deterioration that could lead to the failure of high voltage equipment. It detects signals from suitable sensors in a frequency range between 9 kHz to 2 GHz for PD and EMI, and DC to 500k Hz for acoustic and reference voltage measurements.
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Product
PD free AC Hipot Test Set
FPA Series
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FPA Series test sets perform field or factory testing on larger electrical apparatus, including motors & generators, switchgear, bushings, bus duct, etc. This series offers the higher kVA ratings needed (0-6/12 kV AC @ 6 kVA), but is still packaged for portability.
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Product
Live PD Emulation For The PSL-3424
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Flexibly Mimic Class 0 to Class 8 Powered Device Per PSL-3424 Test Port. Configure up to 96 IEEE 802.3 PD’s on Any Combination of 2-Pair and 4-Pair PSE Ports with Loading up to 100W on Every Port. Emulated PD’s Automatically Handle PSE Power Demotions (Assigned Class). User-Defined Powered Device Load with Optional Cable Loss Modeling. Emulate 802.3at and 802.3bt PoE-LLDP* Negotiations and Power Adjustments (PSL-3424L). Monitor Multi-Port Live Emulation Status.
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Product
USB PD Test System
6050
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Single Output USB PD USB PD basic version：the single-group test systemarchitecture is as shown in the table, 5302A AC Source, 3302F + 3310F series and9922-R Quick Charge Controller.
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Product
PoE Testing Chassis & PD Emulation
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Can test the PoE performance of the DUT. In addition, it has a function of bypassing data, supporting fast Ethernet data transmission.
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Product
PD Calibrator
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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.
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Product
UHF PD Detector
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Handheld online PD substation surveying system. The UHF PD Detector is the ideal tool for quick, non-invasive surveys in MV and HV substations and should be part of the toolkit for all maintenance and service teams. Due to its high measurement bandwidth, the UHF method provides accurate local online partial discharge (PD) measurements on HV components such as cable end-terminations, surge arrestors, voltage transformers and isolators.
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Product
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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Product
VLF Testing and Diagnostics System
PHG 70 TD/PD
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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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Product
Training and Support
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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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Product
Power Measurements For The 3000A/T/G X-Series
D3000PWRB
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The power software package for Keysight’s InfiniiVision 3000A, 3000T, and 3000G X-Series oscilloscopes enables a broad range of automated power supply characterization measurements including critical frequency response measurements (3000T/G X-Series only) such as power supply rejection ratio (PSRR) and control loop response. This package also enables hardware-based pass / fail mask testing and USB PD triggering and decode (3000T/G X-Series only).
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Product
Cable Partial Discharge (PD) Spot Testing And Locating
PrecisePD
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PrecisePD is an on-line PD Spot Testing and PD location system for Cables and Switchgear with advanced signal processing, used for the detection of PD in high noise environments.
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Product
Play Detectors - Lift Mounted
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Approved for ATL and one man testing, Boston hydraulic play detectors lead the field with more features and benefits than any other unit available on the market. Compared to some, a Boston PD provides substantially more force, extra moving-plate travel and a larger plate area.
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Product
Laser Diode Drivers
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Arroyo Instruments offers a broad range of laser drivers to meet your exact test needs. From 100 milliamps to 100 Amps, all of Arroyo Instruments' LaserSource benchtop laser drivers include unique features not found on competing products such as optically isolated photodiode and modulation inputs, programmable PD bias, and both RS232 and USB computer interfaces. The LaserSource also has laser diode protection circuits such as interlock, ESD protection, and hardware limits for current and voltage.
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Product
Horn Antenna
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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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Product
Tap Adapter
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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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Product
Partial Discharge Testing Equipment
3i
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The portable multipurpose 3i device (Intellectual Insulation Indicator) is for eff ective high-voltage equipment insulation monitoring on-line. The 3i device measures and analyses partial discharges (PD). For eff ective PD measurement and noise rejection, there are two types of sensors used in the device: the acoustic sensor and the TEV sensor. Both the sensors are built into the device case, and so do not need any connection cables. The device is supplied in a strong metal case; at the faceplate there are the colored screen and two buttons: power button and function button.
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Product
Portable PD Monitoring of Medium and High Voltage Power Equipment with UHF, AE, and HFCT
PDiagnosticM
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Power Monitoring and Diagnostic Technology Ltd.
The PDiagnosticM is a portable system that utilizes UHF, AE, and HFCT sensor modules to monitor PD signals from Medium and High Voltage power equipment.The system is ideal for monitoring critical power assets to find and monitor intermittent PD signals and to analyze the developing PD trends. The PD type is determined by automatic pattern recognition and internal defects can be found at an early stage.The system provides advanced protection with alarm functions and our Deep Learning data analysis capabilities utilizing our proprietary Intelligent Cloud Diagnostic Technology.
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Product
Spiral Antenna
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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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Product
Flexible Magnetic Coupler
FMC
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The FMC (Flexible Magnetic Coupler) is a partial discharge sensor whose working principle is based on a direct magnetic coupling with the cable conductor and shield.It picks up a magnetic signal given by PD activity. His compact and robust design makes the FMC the optimal sensor for direct installation on cables and accessories such as joints and termination.This sensor has a sensitive side which has to face to the object under test, while the other side (shielded) reject the noise from the environment.
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Product
Rapid PSE And Chained Data Test Of 4-Pair And 2-Pair PSE's
PSL-3424 Quick Test for 802.at and 802.3bt PSE's
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Accessible from PSA Interactive or PowerShell PSA. Scans 2 to 8 PSE ports per test cycle. Automatically determines and adapts to PSE maximum assigned class. Tests PSE’s that grant full power via PD Classification or through PoE LLDP. Validates PoE Detection Acceptance and Rejection Range. Measures PSE Port Voltage at both minimum (DC MPS) and maximum (Pclass) load conditions. Reports PSE type (AT vs BT), maximum assigned class capability, and Pclass power capacity. Assesses Disconnect Power Removal response. Assesses Overload Power Removal response. Assesses LLDP Power Protocol and Allocations (PSL-3424L).
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Product
Satellite Optical Receiver
SSR-15CW
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Hangzhou Softel Optic Co., Ltd.
*Designed for satellite optical system*Wide operating frequency range: 47-2150MHz*Excellent linearity and flatness*Using 1-core single-mode fiber, high return loss*Build-in CWDM, using high linear PD*Output connected to 5 IN series satellite multiswitch*Build-in optical AGC function*Red-LED for power indication*Smaller size and easier installation
