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Doble has created a variety of online devices to manage the state of your bushings/CTs, transformers, circuit breakers, and other apparatus.
Obtaining accurate moisture and temperature data is necessary to
determine the condition of electrical apparatus or its insulating
liquid. However, the data by itself may not always be sufficient to
identify potential problems, especially in transformer systems. Doble
Engineering developed one of the first analytical techniques for
measuring dissolved water in oil and the first online moisture monitor:
DOMINO.
The IPM is designed to perform continuous online monitoring of
external pollution effects on high-voltage insulators and other
insulator housings, such as surge arresters and bushings.
Doble created Intelligent Diagnostic Devices (IDDs), a family of
continuous online diagnostic devices for power system apparatus
intended to detect incipient problems with bushings/CTs, transformers,
and circuit breakers. Now you can safely manage progressive problems
and efficiently schedule corrective action. There are three types of
IDD instruments: Moisture, Bushings, and Dissolved Gas Analysis.
TransiNor created the LCM II to monitor the condition of
high-voltage Metal Oxide Surge Arresters (MOSAs) in service. This
complete system for condition monitoring measures the resistive
component of the MOSA leakage current. Increased resistive leakage
current indicates a higher risk of MOSA breakdown.
 Domino Ultimate Sampling System 369.71 Kb
Continous Online Pollution Monitoring of HV Insulators (1.15 MB)
IDD Intelligent Diagnostic Device for Bushings (221.84 kB)
IDD Intelligent Diagnostic Device for Dissolved Gas In Oil Analysis (220.01 kB)
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