DGA 900 - Click to view details
DGA 900 - Click to view details Multi Gas System Transformer Condition Monitoring System Selangor, Malaysia, Kuala Lumpur (KL), Kajang Supplier, Suppliers, Supply, Supplies | Grid Vision T&D Sdn Bhd
DGA 900 - Click to view details

Next generation on-line multi-gas DGA

Dissolved Gas Analysis (DGA) and moisture measurement of insulating fluids are recognized as the most important tests for condition assessment of transformers. In previous years, multi-gas DGA was traditionally confined to a laboratory environment, with infrequent off-line manual sampling forming part of time-based maintenance strategies. However, as the global average age of transformers continued to rise, the possibility of rapid ageing, unplanned outages and even catastrophic failure between off-line tests also increased, leading many asset owners to adopt on-line DGA monitoring strategies to increase network reliability.

In the early 2000’s, GE’s Kelman™ range of analysers brought consumable-free on-line multi-gas DGA to the market and GE is now proud to introduce the Kelman DGA 900, our next generation multi-gas on-line DGA and moisture analyser. At its heart lies an evolved implementation of GE’s proven PhotoAcoustic Spectroscopy (PAS) measurement technology, providing laboratory challenging levels of precision and repeatability with no consumables and no need for frequent re-calibration. Benefiting from over 40 years of global DGA vendor experience, the Kelman DGA 900 encapsulates learnings and improvements derived from its predecessors to bring improved performance, innovative new features, enhanced user experience and increased robustness.

Key Benefits

• Provides remote alert and multi-gas diagnostic of deteriorating transformer condition
• Expedites operational decisions without needing to go to site for manual oil sampling
• Issues can be detected in their infancy, avoiding unexpected failures and facilitating planned outages
• Anchors condition based maintenance and asset replacement strategies on hard data
• No need for consumables or frequent recalibration to operate at optimum performance
• New “Rapid Mode” provides near real-time insight on fast developing faults
• Enhanced computing power and scalable I/Os for a flexible transformer monitoring solution
• Compatible with mineral insulating oils and newer ester based fluids (natural and synthetic

Applications

The Kelman DGA 900 is an invaluable foundational tool for implementing Asset Performance Management (APM) across electrical generation, transmission and industry, enabling a condition based asset replacement strategy and delivering improvements in system reliability and availability. A DS-Agile™ and Grid APM ready device, the DGA 900’s wide range of communication methods and protocols enables connection to those platforms and integration with GE’s Perception™ transformer fleet management software as well as other software, historian and SCADA systems.

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