Partial Discharge Testing of Transformer & Localization System

PD & Hot Spots Detection & Localization System for Power Transformers

The AE-150™ is designed to detect and localize Partial Discharge activity by correlating acoustic and electric sensors' data. The AE-150™ has many acquisition modes, each used for detecting and locating Partial Discharge activity in a transformer. The AE-150™ unit is mounted on the transformer tank using its powerful magnets that also hold four acoustic sensors. Acquired data is sent to Mirador-Tx software where all advanced positioning functions are implemented. This cutting edge software allows easy data interpretation, reporting and monitoring.

Features

• Easy to install and use
• Portable, battery-operated, wireless data transfer, weatherproof
• Mirador-Tx software allows automatic configuration and 3D positioning
• Simultaneous processing of AE and PD signals
• NEW: Monitoring Feature!

Expert Partial Discharge Detector

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.

Features

• Easy to use, Portable and Battery operated
• pC and dB value display
• Several display modes for on-site real time analysis and diagnostic
• Saves the waveform and edge of PD in its memory with the date and time
• Up to 7.5 hrs autonomy
• Ultra-versatile instrument
• Network phase synchronization

Online Direct Contact PD Test System

The ADD™ allows online partial discharge detection on medium voltage accessories such as: Arresters, dry type transformers , bushings, insulators, etc. The partial discharge level is displayed by visual and audible indicators. The remote display module also allows to read the levels from a great distance for maximal safety.

Features

• Three levels default indication
• Two zones (scale of default)
• Visual and audible indication
• All-Check self-test for verifying proper operation prior to use
• Built-in universal hotstick adaptor
• Powered by 9V alkaline battery
• Carrying case included
• Low battery indication
• Lightweight design
• Special design for HV live contact

Distribution Transformer Tester

The DOC-2000™ is intended for de-energised distribution transformer testing. It can determine the presence of short circuits or an open circuit in the distribution transformer primary winding and also short circuits on the secondary winding. The DOC-2000™ is designed to be operated from an arial device or from the ground at the end of a hot stick without disconnecting the transformer's secondary windings.

Features

• Transformers up to 167 KVA single or three phase (Pole mount or Pad mount)
• Measurement by contact on the transformer primary bushing and neutral/ground
• Used on de-energized transformers
• Detects primary transformer short-circuit, open circuit, & secondary short circuits
• Visual and audible warning.
• Automatic self-test & Auto shut-off
• Low battery indicator
• Operating temperature range -25°C to 55°C

Partial Discharge Detector with Wireless Reading for Overhead Applications

The PD-LT™ allows online partial discharge detection on cable accessories such as cable head, lightning arrestors, insulators, bushings, for safety and maintenance purposes. The partial discharge level is displayed on the remote display.

Features

• Easy and safe to use with a hotstick
• Compact, lightweight and battery powered for maximum flexibility
• High sensitivity capacitive sensors with wireless measurement readings
• Increase safety

Voice Cable Identification System

The VCI-3™ is a cable identification and phasing system used during installation or maintenance works on de-energized three phase systems.

Features

• Unique balanced injection system that eliminates signal bleeding on other wires
• Three different frequencies to identify each phase
• Easy to install and operate
• Extended range: up to 10 km (6 miles) of working distance
• Tone transmission for more than 8 hours
• Lightweight and compact
• Optional magnetic sensing transducer
• Phase detection by transmitter tone presence or absence
• Digital filtering of network harmonics
• Unique dual grounded method

Live Cable Identification System

The LCI™ is intended for energised cable identification on secondary and primary circuits. It features a dual frequency technique that eliminates false identifications. The LCI™ is designed to be easy to use, safe for the user and cost-effective.

Features

• Dual frequency efficient technique
• Easy to install and operate
• The safest technique on the market
• Transmission on live cables
• Detection by digital processing
• High-resolution detection frequencies
• Single or three phase applications

Bidirectional MV Load Logger

The Line-Log™ is a distribution line monitoring system designed for high accuracy bi-directional current measurements. This system enables qualification and improvements with load profiling and balancing of your distribution system. This unique and compact instrument offers large internal memory with several months of recording, Wireless communication, Hybrid power harvesting for continuous and autonomous operation and the design is Partial Discharge Free! The Line-Log™ is the perfect tool for accurate tracking of load profiles on multiple circuits.

Features

• Easy installation with a hotstick
• Large internal memory
• Power Harvest technology
• Energy backup for low line current situations
• Wireless data transfer
• Partial Discharge Free design
• Measurements down to 1 Amp
• Designed to meet with IEEE-495:2007

Partial Discharge Alarm System

Remotely detect partial discharge activity inside any energised cabinet using ndb Technologies PD Annunciator™ system. Probes are installed on the unit under test and will give instant status thus preventing long term damage to your switchgear equipment. Its unique design allows simultaneous TEV and Acoustic detection for optimized results. The flexible sensor's unique design allows for combined directional airborne acoustic and TEV detection.

Features

• Simultaneous TEV and Acoustic detection
• Easy to install, magnetically held on any metallic cabinet
• Airborne or contact acoustic detection
• Intuitive software
• Open collector and RS485 interface
• Optional cellular module

Online Partial Discharge Scanner

The PDS™ allows online partial discharge detection on underground cable accessories and equipment for safety and maintenance purposes. This compact and lightweight instrument is battery operated and it has a an autonomy of 30 hours. The Partial Discharge intensity level is displayed on the instrument with the bargraph.

Features

• Easy to use
• Compact, lightweight and battery powered for maximum flexibility
• High sensitivity inductive and capacitive sensors
• Rugged Delrin® made casing
• Up to 30 hours autonomy