130 likes | 464 Vues
VBF OUTDOOR VACUUM CIRCUIT BREAKER 36kV. PRODUCT INFORMATION. Salient Features. Designed and type tested as per IEC-60056/ IS:13118 Vacuum Interruption Porcelain clad live tank construction Suitable for outdoor substations & safety from fire hazards
E N D
VBF OUTDOOR VACUUM CIRCUIT BREAKER 36kV PRODUCT INFORMATION
Salient Features • Designed and type tested as per IEC-60056/ IS:13118 • Vacuum Interruption • Porcelain clad live tank construction • Suitable for outdoor substations & safety from fire hazards • High mechanical endurance due to robust mechanism • High electrical endurance due to short arcing time and rapid di-electric recovery Front view
Salient Features • Easy to install. Structure mounted. • Option to extend structure for instrument transformers • Complete breaker shipped as one single unit. Can be shipped in knocked down kits also. Front view with front door open
Salient Features • Pole chamber filled with SF6 or Nitrogen gas to prevent condensation • Suitable for autoreclosure duty cycle of O-0.3sec-CO-3min-CO and CO-15s-CO For greater safety and reliability • Option of 200kVp basic insulation level • Option of two trip coils Top terminal Arc chamber insulator Vacuum Interrupter Bottom terminal Insulating rod Support insulator Bottom crank housing Cross-section of pole part
Construction • Negligible maintenance • Vacuum interruptors inside hermetically sealed porcelain insulators • 3 poles mounted on common duct, common drive for 3 poles • Operating mechanism and electrical accessories in weather proof steel cabinet • Cabinet mounted on steel structure Rear view with back cover open
Operating Mechanism • High operational reliability • Simple and robust design • O-C-O operation without recharging • Closing spring charged by motor in less than 15 secs • Mechanical / Electrical antipumping • Suitable for high speed auto reclosing
Operating Mechanism • Manual tripping and closing arrangement • Provision for manual charging • Mechanical ON-OFF and SPRING CHARGED indication • Closing / tripping coil and spring charging motor voltage range: 24 to 250V DC, 110 to 230V AC Optional items available • 12 NO + 12 NC auxiliary switch (Standard version: 6 NO + 6 NC) • Additional tripping solenoid
TECHNICAL DETAILS TECHNICAL DETAILS Description Unit Rating Voltage kV 36 Current A 1600 Breaking capacity kA 26.3 Short time withstand current (3 secs) kA 26.3 Peak withstand current kAp 66 Insulation level kVrms/kVp 70/ 170* Operating sequence - O-3min-CO-3min-CO/ O-0.3secs-CO-3min-CO Weight (approx.) kg 800 * 200kVp available on request
Industrial IT • Industrial IT - Information architecture for seamlessly linking multiple applications and systems in real time • Efficient integration in a system • Plug and produce mode • Integral tools for efficient installation, operation and maintenance throughout product life cycle • The VBF circuit breaker complies with the ABB Industrial IT architecture - level 0 • All product information can be provided in an interactive electronic format, compatible with ABB Aspect Object Technology
Applications Switching and protection • Distribution networks • Capacitor switching • Switching unloaded transformers and reactors Suitable for • Frequent switching duties • Rapid auto-reclosing • Arc furnace duty