Group: Doble Engineering
Catalog excerpts
PD-Smart/UHF Applications The PD-Smart/UHF is a portable and versatile measuring and diagnosis instrument for the UHF processing of Partial Discharges acquired from different UHF sensors. The PD-Smart/UHF is especially developed for periodical UHF PD measurements (on-/offline) on transformers, GIS, cable systems and other HV components. The PD-Smart/UHF combines the features of a PD detector and spectrum analyzer. Application: » PD testing on gas-insulated switchgears (GIS) using GIS-sensors (internal sensors, GIS-Window-Sensors, GIS-Spacer-Sensors or TEV-Sensors) » PD analysis and diagnosis on transformers using UHF-drain-valve DN 50/80 or UHF Top-Hatch Sensors » Partial Discharge testing on cable terminations using UHF-Sensors (LDWS-T coupler "type-A") The application range covers the complete spectrum: Scientific and industrial research and development purposes, and routine tests in a production environment. Due to the advanced internal noise reduction facilities, the system is suitable not only for laboratory tests, but also for field tests in a rough, noisy environment on HV apparatus in power stations and substations. Benefits » Rugged and reliable housing. The PD-Smart/UHF is field-proven and can be used as day-to-day tool. The PD-Smart/UHF is self-contained in a rugged polyurethande case (ABS Peli), which allows an uncomplicated, fast and easy transport for on-site tests. » Integrated Spectrum analyzer ("Zero-Span")-function: The PD-Smart/UHF combines the features of a PD measuring instrument and a spectrum analyzer. It allows full automatic sweeping within the complete frequency range. » Outstanding sensitivity and thus unique accuracy as well as excellent measuring results due to the Doble Lemke pre-amplifier LDA-5/GIS. » Superior safety in high voltage test set ups due to complete galvanic isolation Doble Lemke GmbH Zschoner Ring 9, 01723 Kesselsdorf / Dresden Germany www.doble-lemke.eu Doble Lemke AG Kaiserstrasse 9, 4310 Rheinfelden Switzerland www.doble-lemke.eu
Open the catalog to page 1PD-Smart/UHF between the PD-Smart/UHF and Laptop via fibre-optical cabling. This allows also a remarkable reduce of the background noise level. » Integrated, changeable accumulators (high-performance lithium-Ion batteries) for network independent and interference-free operation. Load indicator is integrated in the sophisticated software. » User-friendly control and analyze software as well as state-of-the art export functions. Specifications » UHF processing of partial discharge signals acquired from installed GIS sensors or other sensors » pulse sequence recording and continuous UHF PD...
Open the catalog to page 2PD-Smart/UHF » DN50 Drainvalve-Sensor » DN80 Drainvalve Sensor » UHF-Top-Hatch Sensor For measurements on cable terminations: » LDWS-T UHF-Sensor (Type "A") Additional Pictures Doble Lemke GmbH Zschoner Ring 9, 01723 Kesselsdorf / Dresden Germany www.doble-lemke.eu Doble Lemke AG Kaiserstrasse 9, 4310 Rheinfelden Switzerland www.doble-lemke.eu
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