Siemens Non-Gapped Line Arresters (NGLA) – Line Surge Arresters Without Spark Gap

SIEMENS NON-GAPPED LINE ARRESTERS (NGLA) – LINE SURGE ARRESTERS WITHOUT SPARK GAP

Non-gapped line surge arresters (NGLA) offer a high degree of mounting flexibility and operational reliability. Depending on the tower design and the arrangement of insulators and lines, these arresters can either be installed directly on the insulators or on the tower.

Thanks to their high energy absorption capacity, non-gapped line arresters offer a very high level of protection against overvoltages caused by lightning and network-generated switching impulse current overvoltages.

To galvanically isolate the line surge arrester from the line voltage in the unlikely event of a fault or thermal overload, a disconnector is installed in series. It automatically and immediately disconnects the line surge arrester from the line voltage. This allows the affected overhead line to continue to be used until replacement can be scheduled.
In addition to the line surge arresters, the new ACM advanced monitoring system can be installed to provide arrester condition monitoring. This system monitors wirelessly and provides detailed information about leakage currents and converted energy.

Non-Gapped Line Arresters : Siemens Transmission Products – Leader in innovations with comprehensive, connective and sustainable portfolio

We are driving technology innovations not only regarding the performance of transmission products but also in the area of sustainability and eco efficiency. By merging physics and data we enable new products and applications: Sensformer® and Sensgear®. With our global factory network and leading innovations we provide the highest level of quality and reliability to our customers: TSOs, DSOs, power producers, EPCs and industrial companies.

Transmission products play a vital role in the energy value chain. Siemens Transmission Products provides all key elements including power transformers and distribution transformers as well as gas-insulated and air-insulated switchgear and components. Products are offered individually, bundled or with related engineering upgrade to systems. Our products offer low life cycle costs with maximum availability, highest efficiency and short commissioning times.

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