Why FAT Is Good

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No, we’re not talking about the “spare tire” on those of us who like beer a little too much. A FAT — or Factory Acceptance Test — is the special testing provided by a manufacturer, at their facility, to verify that complex, customer-specified equipment works as intended. It’s particularly valuable for a system of interconnected components, such as computers, controllers, and other microprocessor-based hardware, to ensure the equipment is built to specification, and that components function properly as a unified system. Continue reading

Posted in Communication Systems, Distribution Automation, Grid Connectivity, Self-Healing Grids Tagged

S&C Offerings Address Directive on Hospital Emergency Power Systems

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Purewave UPS, hospital emergency power systemsThe Joint Commission on Accreditation of Healthcare Organizations recently issued a “Sentinel Event Alert” to all domestic health care facilities, urging them to pay special attention to emergency power systems . . . specifically, how these systems can fail.

Every facility “. . . must assess the risk of electrical power failure — at various degrees of magnitude and impact severity — and make plans to deal with such an emergency.” The alert notes that “codes and standards are only a start” and that health care organizations should “go beyond the minimum NFPA life safety requirements and conduct vulnerability analyses of their facilities.” Every facility must respond to the alert, indicating the measures they have taken and the results. Continue reading

Posted in Health Care, Power Quality, Uninterruptible Power Tagged

S&C Joins APPA RP3 Industry Support Council

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S&C is pleased to announce that we have joined the American Public Power Association’s (APPA’s) RP3 Industry Support Council. RP3 is APPA’s program to encourage public power systems to demonstrate basic proficiency in four important areas: reliability, safety, training, and system improvement. Utilities conduct assessments of their performance in these areas, and based on their accomplishments, the utility may be ranked with a diamond, platinum, or gold designation. Continue reading

Posted in Electric Utilities Tagged , ,

A Complete Solution for Transformer Protection: Trans-Rupter II and S&C’s new Circuit-Isolator II Disconnect

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For distribution substations where space is at a premium, S&C offers Trans-Rupter II with Circuit-Isolator II Disconnect. This three-pole, group-operated, vertical-break style disconnect provides a visible air gap to isolate the transformer during maintenance.

The Circuit-Isolator II Disconnect is furnished with a manual operating handle. If desired, it instead can be furnished with an S&C Type DS-1 Switch Operator, providing remote power operation capability. Trans-Rupter II with Circuit-Isolator II is furnished with S&C Mounting Pedestals, making for an exceptionally compact footprint. The mounting pedestals include a support frame that comes complete with all necessary interphase wiring and conduit, greatly reducing installation time and total installed cost. Continue reading

Posted in Electric Utilities, Substation Tagged ,

New 69-kV Double-Break Style Alduti-Rupter Switch

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S&C is pleased to announce the availability of a 69-kV Three-Pole Double-Break Style Alduti-Rupter Switch, in both upright and tiered-upright mounting configurations. This new model provides an economical option for transmission-line switching and the time-proven reliability of the Double-Break Style Alduti-Rupter Switch. Continue reading

Posted in Overhead Distribution Tagged

A Better Solution for Overhead Lateral Circuit Protection

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Conventional lateral circuit protection has required some concessions. Over 90% of temporary faults on overhead distribution circuits occur on laterals. Over the years, utilities have dealt with lateral protection in a couple of ways.

Some utilities employ a “fuse blowing” philosophy: The substation feeder breaker is properly coordinated with the lateral fuse, so that the fuse will clear any downstream fault within its rating . . . not the breaker. Continue reading

Posted in Electric Utilities, Overhead Distribution Tagged