Electro Static Technology Releases New Universal Mounting Brackets for iPRO and WTG Rings

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New Universal Mounting Brackets Simplify Installation of AEGIS® iPRO and WTG Shaft Grounding Rings used in Large Motors,Generators, and Wind Turbines.

Electro Static Technology has released the latest addition to its product line: Universal Mounting Brackets for high-current-capable Bearing Protection Rings. Specially designed brackets attach to iPRO or WTG Rings with screws and have slotted legs (for mounting to motor) that allow mounting with a bolt circle of the shaft diameter plus 2.64” to 7.79” inches. The brackets are provided with 1/2”, 1”, and 1-1/2” standoff spacers to provide sufficient clearance for shaft shoulders, slingers, or other end bell protrusions. Mounting bolts, flat washers, and lock washers are also included. The new Universal Mounting Brackets greatly simplify installation of high-current Bearing Protection Rings, and reduce the need for custom mounting brackets and plates.

Available for motor shafts up to 30” in diameter, the rugged, highly reliable, and maintenance-free AEGIS® iPRO prevents electrical bearing damage that could lead to the failure of medium-voltage motors or generators, unplanned downtime, costly repairs, and lost revenues. To facilitate field retrofits, the iPRO split-ring comes in mating halves that simplify installation around the shafts of coupled equipment. The AEGIS® iPRO is ideal for medium-voltage motors that drive pumps, compressors, mixers, shredders, conveyors, and other machinery used in mining, food processing, wastewater treatment, petrochemical refining, and other applications. It is also ideal for protecting the bearings of generators in both utility and on-site power generation systems.

The AEGIS® iPRO-MR combines an iPRO Bearing Protection Ring with a shaft voltage monitoring ring in a single compact unit. It ensures maximum uptime and reliability of large motors and generators in critical applications, and enables real-time monitoring of shaft voltage levels on motors in remote or hard-to-access locations.

The AEGIS® WTG Ring prevents electrical bearing damage to wind turbine generators. Designed for OEM installation or easy up-tower retrofit, the WTG safely diverts up to 120 amps of continuous shaft current at frequencies to 13.5 MHz, as well as discharges to 3000 V (peak).

Without shaft grounding, shaft voltages induced by variable frequency drives (VFDs) discharge through the bearings of motors, generators, and coupled equipment. AEGIS® iPRO and WTG Rings have six rows of conductive microfibers that completely surround the motor shaft, providing millions of discharge points for harmful shaft voltages and creating a path of least resistance away from bearings to ground.

With the new Universal Mounting Brackets, both iPRO, iPRO-MR, and WTG Rings can be installed more simply and easily, cutting both installation time and total cost.

Electro Static Technology was founded in 1984 and acquired by Illinois Tool Works Inc. in 1999. Its specialty is conductive microfiber-based electrical discharge solutions for industry and OEMs, and it is best know as the manufacturer of the patented AEGIS® Bearing Protection Rings for rotating equipment and electric motors.

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Adam Willwerth
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