S&C ELECTRIC COMPANY  

When a fault occurs, the TripSaver® II Cutout-Mounted Recloser combines the best of fuse–saving and fuse–blowing strategies without any of the drawbacks. When a temporary fault occurs, the Smart Grid solution eliminates momentary outages for customers on the main feeder by only blinking the affected laterals. This lateral–protection strategy saves money for the utility and its customers while improving reliability for all.

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Conventional reclosers limit your system’s reliability, damage equipment, and cost you money. It’s time to upgrade from using 70-year-old technology. Whether you combine or replace reclosers with S&C’s IntelliRupter® PulseCloser® Fault Interrupter, S&C’s breakthrough technology offers multiple benefits that improve your system.

The IntelliRupter® Fault Interrupter uses PulseClosing® Technology to reduce the amount of force used during fault testing and to lessen momentary outages for customers. This strategy improves reliability and reduces costs for you and your customers.

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Vista SD Switchgear can be furnished with up to six “ways” (load-interrupter switches and/or fault interrupters), in ratings through 29 kV and 16 kA symmetrical interrupting. By handling more loads per assembly, fewer Vista SD Switchgear assemblies are required. Each load-interrupter switch and fault interrupter includes a manually operated, two-position isolating disconnect to provide a visible open gap.

With Vista SD Underground Distribution Switchgear, routine operation, such as isolating a downstream cable for repair, is easy. Just one person, using either the manual handle or a suitable user-furnished universal pole equipped with a standard fitting can operate.

Vista SD Underground Distribution Switchgear is furnished with the same microprocessor-based overcurrent control used in S&C Vista® Underground Distribution Switchgear. This proven reliable device offers special, customizable “coordinating” speed time-current characteristic curves that provide complete coordination with upstream relays and downstream fuses. Conventional “E” and “K” speed curves are available too.

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Conventional elbow-connected switchgear requires that operating personnel move, test, and ground cables during routine operations. Such procedures are awkward and time consuming, and—most importantly—personnel are not fully isolated from medium voltage once a cable is removed from its bushing.

Vista UDS introduces a new level of safety and simplicity by eliminating the need for cable handling during routine operations. It’s all made possible by Vista gear’s numerous innovations, including:

• Simpler, safer, one-person operation. No cable handling or high-voltage exposure during switching, grounding or cable testing. Cuts cost through smaller crews, quicker operation
• Site gear without compromising aesthetics. Pleases customers and saves money through reduced trenching, shorter cable runs
• Up to six switches and single- or three-phase tripping fault interrupters. Saves money by handling more loads per unit
• Superior coordination, flexibility, reliability. Innovative TCCs can be optimized using a PC. No knobs or dials to challenge security
• Exclusive arc-resistant construction meets requirements of IEC Standard 298, Appendix AA
• Contamination- and corrosion-proof. Sealed SF6 design handles any environment . . . even subsurface
• Consistent operating practices. Same gear for subsurface, vault, and pad-mounted applications. Cuts inventory and operator-training cost
• Easily upgraded to SCADA operation

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As energy demand and generation capacity continue to grow, utilities are looking for distribution switching systems that are reliable, resilient, and efficient.  When used with smart and flexible controls they can minimize the load under outage conditions and maximize their system uptime.

The Scada-Mate SD Switching System with an S&C 6801 Automatic Switch Control can meet these technical, operational, and economic challenges. The switching system includes vacuum interrupting technology, has no greenhouse gas and is totally environmentally friendly.

Scada-Mate SD Switching System features:

• A stored-energy operating mechanism
• Three-phase current sensors and three-phase voltage sensors on one or both sides of the switch
• A hookstick-operable three-pole disconnect for visible air-gap isolation of switched-open circuits
• Lockout/tagout
• Interlocked disconnects that prevent inadvertent load switching
• Provisions for mounting six surge arresters (three on each side of the switch)
• Provisions for dead-ending
• Wildlife covers

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