Next-generation GIS
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Next-generation GIS Nu1 - Nuventura’s 36 kV dry-air GIS Catalogue Version 10

Technical specification for Nuventura's 36 kV dry-air GIS 5.2 Three position disconnector 17 5.4 Current and voltage transformers 20 5.6 Indication & measuring instruments 25

Technical specification for Nuventura's 36 kV dry-air GIS This specification applies to the dry air primary distribution level medium voltage gas insulated switchgear. The switchgear is metal-enclosed and the gas vessel is an airtight construction making it possible to connect a solid insulated bus bar to the outside of the gas vessel. The switchgear replaces SF6 with dry air as the insulating medium. The interior switching devices for all poles are enclosed by a metal vessel without phase segregation according to DIN EN 62271-200. The panel is designed for indoor applications enabling the...

Technical specification for Nuventura’s 36 kV dry-air GIS

Technical specification for Nuventura's 36 kV dry-air GIS

Technical specification for Nuventura's 36 kV dry-air GIS Main components of the nuventura switchgear:

Technical specification for Nuventura's 36 kV dry-air GIS 2.3 Variants Circuit breaker panel Measurement M- optional optional Double-cable Disconnector panel Measurement M- optional optional Double-cable Index Three position disconnector Plug In type disconnec table voltage transformer Current transformer Cable connection with outer cone plug Voltage detection system Motor operated Circuit breaker

Sectionalizer panel Technical specification for Nuventura's 36 kV dry-air GIS Measurement system Optional measurement .'system Doub e-cab e

Technical specification for Nuventura's 36 kV dry-air GIS Technical datal

Technical specification for Nuventura's 36 kV dry-air GIS 3. Product features 3.1 Technology General • Hermetically sealed stainless-steel vessel enclosing the switching devices. • Dry air insulation medium reduces the gas handling process and avoids F-gas leakage. • Compact dimensions as equivalent to SF6 insulation. • Cable connection with outer-cone plug-in system for connection of solid-insulated busbars. • The installation, commissioning and extension of switchgear is independent of the gas work or any changes to the existing panel. • Integrated pressure relief duct systems • Access to...

Technical specification for Nuventura's 36 kV dry-air GIS 3.2 Features Environmental independence The Nuventura Nu1 consists of switching devices inside a hermetically sealed stainless-steel vessel. This enclosure protects the high voltage parts from environmental impacts: • independent of aggressive ambient conditions and external parameters like: - salt & dust, - humidity & corrosion, - insects & rodents, - high installation altitudes. Compactness Thanks to the use of Nuventura's innovative solution, the Nu1 is as compact as SF6 insulatied GIS. Designed mainly to ensure people's safety...

Technical specification for Nuventura's 36 kV dry-air GIS Service life The Nuventura Nu1 is designed for 30 to 40 years of lifetime. Considering the dry air insulation medium, the switching compartment may additionally be opened for any kind of service and lifetime extension review if necessary. The hermetically sealed system together with intelligent sensor system ensures service lifetime. This ensures performance: • for circuit-breakers according to the endurance class defined in IEC 62271-100. • for three-position disconnectors and earthing switches according to the endurance class...

Technical specification for Nuventura's 36 kV dry-air GIS No SFs gas handling • No special technical training for gas handling required. • Avoid administrative effort to report SF6 emissions. • Save operational cost in gas handling • Ensures safety of environment and personnel during unforeseen leakage. Operational safety • Sealed pressure system with switching devices inside hermetically sealed stainless-steel vessels ensures personal safety and protection against environmental effects (pollution, humidity and rodents). • Mechanism operation is accessible at the ergonomic position in front...

Technical specification for Nuventura’s 36 kV dry-air GIS 4. Design 1. Busbar compartment 2. Low Voltage Compartment 3. Drive 4. Cable Compartment 5. Cable Support System 6. T-plug Cable Connection 7. Current Transformer 8. Voltage Transformer 9. Pressure Relief System 10. Secondary Two-Position Switch 11. Panel Back Door 12. Vacuum Circuit Breaker 13. Gas Tank Door 14. Pressure Relief Duct 15. Three-Position Disconnector 16. Busbar Connector Bushings 17. Protection Relay 18. Circuit Breaker Actuation Push Buttons 19. Circuit Breaker Operations Counter 20. Circuit Breaker Status Indicator...

Technical specification for Nuventura's 36 kV dry-air GIS Insulating system Switchgear vessel filled with dry air insulation • features of dry air gas: - non-toxic, - no F-gases involved, - climate-neutral, - non-inflammable, - chemically neutral. vessel (relative values at 20 °C): - rated filling level: 1800 kPa, - rated minimum filling level: 1600 • Vacuum circuit-breaker • Three-position disconnector for disconnecting and earthing by means of the circuit-breaker. • Make-proof earthing by means of the vacuum circuit-breaker. • Cable connection with outer-cone plug-in system according to...

Technical specification for Nuventura's 36 kV dry-air GIS 5. Components 5.1 Vacuum circuit breakers Features • The switching device is situated inside the hermetically sealed, welded switchgear vessel in conformity with the system. • Climate-independent vacuum interrupter poles in the dry air-filled switchgear vessel. • Maintenance-free for indoor installation according to IEC 62271-1 & VDE 0671-1. • The vacuum interrupters are tested for X-ray emission. • The breaker is tested for C2 class of restrike possibility according to IEC 62271-100. • The circuit breaker operation is linked to...