TVSS Module is safe for use in oil/gas applications.
April 2, 2007 -
Exceeding UL-1449 (2nd edition) requirements without internal fuses, Strikesorb® absorbs and dissipates excess energy of lightning strikes and power surges in completely safe manner. Transient voltage surge suppression (TVSS) module can sustain multiple and successive lightning strikes and power surges up to 140 or 200 kA without requiring maintenance. Construction consists of one distribution-grade, 40 or 80 mm dia MOV disc encased in hermetically sealed aluminum housing.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Raycap Inc.
806 S. Clearwater Loop
Post Falls, ID, 83814
USA
Strikesorb® Single-MOV TVSS Module Protects Oil, Gas and Petrochemical Operations Against Voltage Surges
Morrisville, N.C. (March 16, 2007) - Raycap Inc., a leader in transient voltage surge suppression technology, has developed a single-MOV module with a high surge handling capability that absorbs and dissipates the excess energy of lightning strikes and power surges in a completely safe manner, making it ideal for installation in oil, gas and petrochemical equipment applications. Designated Strikesorb®, the TVSS module exceeds the stringent requirements of the recently revised UL-1449 (2nd edition) standard, without the use of internal fuses.
Unlike conventional protection devices that utilize arrays of parallel components - metal oxide varistors (MOVs) or silicon avalanche diodes (SADs) - Strikesorb provides complete and uninterrupted protection through its unique ability to sustain multiple and successive lightning strikes and power surges without requiring maintenance, even under harsh environmental or poor power quality conditions.
"The Strikesorb module never compromises the safety of the equipment by taking itself off-line, self destructing, or going into thermal runaway, which is a significant concern when protecting oil, gas, and petrochemical equipment, such as excavation equipment and oil rigs," said Dr. Kostas Samaras, President of Raycap Inc. "We have designed a protection module without the use of internal fuses that meets or exceeds international standards and has been verified by various independent agencies."
Designed to be installed in locations where the risk of direct lightning strikes is high, or where there is a history of frequent surge-related equipment failures, Strikesorb is the industry's only TVSS module that provides uninterrupted protection from surge currents of up to 200kA.
Strikesorb's modules are comprised of a single large distribution-grade metal oxide varistor (MOV) disc, either 40mm or 80mm in diameter. It is encased in a hermetically sealed aluminum housing - providing uniform distribution of the surge current over the total area of the MOV protection element, resulting in a high-energy handling capability combined with ultra-low let-through voltage to the protected equipment and long maintenance-free service lifetime.
Unlike conventional TVSS systems that employ parallel arrays of smaller components (MOVs or SADs) with 90° angled lead wires to each device, Strikesorb's patented monolithic design provides a straight electrical path directly to the suppression element, providing extremely low contact resistance and a superior heat dissipation mechanism to prevent aging of the MOV. The Strikesorb module exhibits low clamping voltage and can be directly connected on the power bus bars inside the cabinet of the equipment after the main circuit breaker.
The Strikesorb module has been tested successfully to 10/350µs direct lightning waveforms as specified by IEC 61643-1. Strikesorb modules are offered in two variations, Strikesorb-40 rated at 140kA and Strikesorb-80 rated at 200kA according to NEMA LS-1, and both types are available in ratings to fit a variety of applications, including operating voltages of 120V up to 600V.
Both the 40mm and 80mm modules can also be integrated inside larger systems or within Raycap's Rayvoss® stand alone TVSS system. The Rayvoss system can utilize the Strikesorb suppression module in a variety of configurations and operating voltages including single-phase, split-phase, three-phase wye and three-phase delta configurations with voltages that range from 120V to 600V respectively.
For more information about the Strikesorb module, contact Raycap at One Copley Parkway, Suite 545, Morrisville, NC 27560; call 919-200-4508, or visit raycapinc.com/strikesorb.
About Raycap Inc.
Raycap Inc., headquartered in Morrisville, N.C., manufactures advanced transient voltage surge suppression modules and systems for a broad range of applications. The company exports its Rayvoss systems and Strikesorb modules to more than 40 countries around the world and has operations in the U.S., Canada, Panama, Switzerland, Romania, Bulgaria and Serbia-Montenegro. Raycap Inc. is a subsidiary of Raycap Corporation, which was founded in 1987. The Athens, Greece based service provider and manufacturer provides diversified products for the telecommunications, energy, pipeline and the electronics - defense industries.
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