PD
voltage discharge within an insulator causing dielectric breakdown.
See Also: Partial Discharge, Partial Discharge Detection, Partial Discharge Monitors, PD Test, Partial Discharge Test
-
Product
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.
-
Product
UHF PD Detector
-
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.
-
Product
PD Monitoring systems
TECHIMP PD Hub™
-
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).
-
Product
Bi-Directional-Coaxial LD/PD Module
BiDi-C1000 (CWDM)
-
Hangzhou Huatai Optic Tech. Co., Ltd.
*Tx Laser wavelengths optical : 17 CWDM *Using DFB Lasers *DFB laser optical: with isolation or without isolation *Low threshold current and operating current* High output power *Built-in InGaAsP monitor PD* High responsivity, InGaAs planar PIN detector *Wide temperature range operation(Tc=-40℃to+85℃) *Fiber ITU-T G.657 Bending low loss, fiber optic cable features
-
Product
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.
-
Product
PD Conformance Test Suite for 802.3at & 802.3bt
-
Sifos Technologies offers the ultimate simplicity in testing a PD’s conformance to IEEE 802.3 Standards with Pass/ Fail reporting in the PD Conformance Test Suite available for purchase with the PDA-600 Family of Instruments.
-
Product
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)
-
Product
Bi-Directional-Coaxial LD/PD Module
BiDi-F1000 (FTTx)
-
Hangzhou Huatai Optic Tech. Co., Ltd.
Laser optical: DFB or FP. DFB laser optical: with isolation or without isolation. Low threshold current and operating current. High output power. Built-in InGaAsP monitor PD. High responsivity, InGaAs planar PIN detector. Wide temperature range operation(Tc=-40℃to+85℃). Fiber ITU-T G.657 Bending low loss, fiber optic cable features
-
Product
Cable Diagnostics Systems - VLF/TD/PD
-
The Tan Delta (TD) series of diagnostic test instruments was developed to help cable engineers evaluate the condition of their MV and HV cables.
-
Product
Handheld Online PD Detector
PD-SGS
-
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
-
Product
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.
-
Product
Portable PD Diagnostics System
PD-TaD 60
-
The PD TaD 60 portable PD Diagnostics system is used in combination with a BAUR VLF generator frida for carrying out partial discharge measurement and location.* Comprehensive 360° cable analysis – with parallel partial discharge and dissipation factor measurement* Time-optimised and safe cable condition evaluation* The lightest and most compact PD measuring device up to 60 kVpeak* Developed for portable use on site
-
Product
PD free AC Hipot Test Set
FPA Series
-
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.
-
Product
Robust DIN-rail Fanless Embedded System With Intel® Celeron® Processor N3060/N3160, 2 COM, 4 USB, 2 GbE LAN (1 PoE PD), DIO And RTC
ICO310
-
The ICO310, a robust din-rail IIoT (Industrial IoT) embedded platform, supports low power Braswell Intel® Celeron® processor N3060 1.6 GHz dual-core or N3160 1.6 GHz quad-core with up to 8GB DDR3L system memory, delivering high performance and low power consumption at competitive price. The outstanding Braswell Intel® Celeron® SoC-based embedded field controller offers complete expandability and full featured I/O, including two Gigabit LAN ports, two RS-232/422/485 ports, two USB 2.0 ports, two USB 3.0 ports, one VGA port, and one DIO interface. Two PCI Express Mini Card slots, one SIM card slot and three internal antennas are available for 3G/GPRS and Wi-Fi connections. Furthermore, the ICO310 features PoE PD function, which can simplify network installation and minimize the total costs of replacement and maintenance. Its storage interfaces include an SATA SDD, as well as mSATA support on the PCI Express Mini Card slot. Additionally, the wide range 12V-24V DC terminal block power input with overvoltage and reverse protection can lower the risk of data loss under human manipulation. The reliable yet robust ICO310 is a perfect solution for industrial IoT applications such as smart energy, smart factory automation, facility monitoring systems and many more.
-
Product
Ethernet Powered Device Analyzer
PDA-604A
-
Emulate any 802.3at Type-1, Type-2, 802.3bt Type-3, or Type-4 PSE powering 2 or 4 pairs at all possible PD input voltages. Optionally supports 802.3at and 802.3bt Ethernet Powered Device Conformance Test Suites and LLDP Emulation and Analysis.
-
Product
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.
-
Product
Partial Discharge Calibrator
TPK-H
-
The high voltage-resistant Partial Discharge calibrator is used to determine the correction factor in the PD test circui.
-
Product
Superior Handheld Partial Discharge Detector
PDStar
-
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.
-
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
-
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).
-
Product
TEM Antenna
-
TEM antenna is a broadband antenna with a flat response which makes TEM 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. Its compact and robust design (passive sensor) makes TEM the optimal sensor for direct installation on medium voltage Switchgears and motors. It can be virtually applied in any electrical equipment provided that it has apertures or EM transparent surfaces.
-
Product
Smart Sensorgrid NG
-
Smart Sensorgrid belongs to the smart sensor family devised for on-line monitoring of diagnostic quantities in electrical assets. It provides traffic-light alerts to SCADA systems / asset and maintenance service. Smart Sensorgrid is a state-of-art PD analyzer, exploiting the TECHIMP T-F Map technology (patented). Such feature allows noise rejection and automatic alarm warning based on amplitude and repetition rate trend relevant to statistical parameters. The PD sensor, a HFCT, is integrated in the smart sensor body.
-
Product
Satellite Optical Receiver
SSR-15CW
-
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
-
Product
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.
-
Product
PoE Testing Chassis & PD Emulation
-
Can test the PoE performance of the DUT. In addition, it has a function of bypassing data, supporting fast Ethernet data transmission.
-
Product
Partial Discharge Expert Diagnostic and Location System
PDExpert
-
Power Monitoring and Diagnostic Technology Ltd.
The PDExpert is PMDT's third level of Partial Discharge (PD) Expert Diagnostic and Location System. It is a powerful, portable, multi-channel system of impeccable design used to analyze and pinpoint PD signals coming from a power asset within centimeters while the power system is energized. The system consists of UHF, AE, HFCT and ultrasonic sensors, one advanced UHF/PD signal processing unit, one oscilloscope, filters and other accessories.The system employs ultra-high speed data acquisition and advanced digital signal processing technologies, compares the UHF, AE and HFCT signals of different frequency ranges to determine if it is PD or noise, and locates the source in power assets accurately by utilizing Acoustic-Electromagnetic Combination Location Technique, time Difference of Signals' Arrivals (TDOA), and 3D Positioning Technology.
-
Product
PD Test Systems
-
1. Number of channels: 2/4 electric signal interfaces & 1 EXT interface 2. Sampling frequency: maximum 200MGa/s 3. Sampling precision: 12bit 4. Range: 0.1mV~20V 5. Range switch: 1mV, 2mV, 5mV, 10mV, 20mV, 50mV, 100mV, 200mV, 500mV, 1V, 2V, 5V 6. Frequency band range: 1Hz-60MHz 7. Range non-linear error: 5% 8. Range of capacitance for test object: 6pF~250µF 9. Power source mode: internal lithium cell / AC 220V 10. Display: 6.5 inches TFT LCD 11. Resolution: 640×480 12. PV: 4GB 13. Hard disk: 32G stiff disk used for storing the test data
-
Product
Spiral Antenna UHF Trafo
-
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. Its compact and robust design (passive sensor) makes Spiral antenna the optimal sensor for direct installation on high voltage Transformers. It can be virtually applied in any electrical equipment provided that it has apertures or EM transparent surfaces. Contact our sales department for consulting.
-
Product
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.
-
Product
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.
-
Product
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.
