Single Phase Power Solutions now sells a 75 hp single-phase electric motor to power industrial equipment such as pumps, conveyors, grain dryers, and many types of industrial or commercial machinery.
The Belle Single-Phase Motor uses Written-Pole technology to deliver 75 hp single-phase operation right off of single-phase utility services. The utility-friendly starting and operating characteristics provided using Written-Pole technology minimize voltage sags and flicker on long single-phase distribution lines. Suitable for industrial applications in areas where three-phase power isn’t readily available or cost-effective, this revolutionary technology eliminates the need for phase converters or complex variable frequency drive installations.
Featuring a totally enclosed fan-cooled design in a cast iron frame, this proven design is suitable for indoor or outdoor installation in some of the most demanding environments and applications. Rated as a 75 hp, 460 V 1,800-rpm electric motor, this innovative design delivers 95.0% efficiency at rated load with a near-unity power factor. The NEMA 445T frame motor weighs about 1,920 pounds and draws just 170 amps at full load.
The motor windings are fabricated using high-grade copper and Class H insulation materials similar to those used in premium three-phase electric motors. The revolutionary design eliminates brushes, slip-rings and internal rotary switches, ensuring superior performance and reliability under harsh conditions.
Available in ratings from 30 to 100 hp, Belle Motors are suitable for many industrial, agricultural, mining, municipal, and oil& gas applications such as pumps, compressors, injection wells, as well as blowers, fans, dryers, water & wastewater processing and more.
Low starting current: The starting current draw of a Belle Motor is less than two times its rated full-load current, resulting in a starting demand that is less than 1/4 of conventional single or three-phase electric induction motor. The soft-start design, accomplished without reduced-voltage starting, dramatically increases the maximum horsepower rating that may be started and operated on rural single-phase utility distribution systems.
Energy efficiency: Due to their synchronous operation, Belle Motors reach levels of energy efficiency comparable to premium-efficiency three-phase motors, reducing energy bills and operating costs when compared to three-phase motors operated with phase-converters or stationary diesel engines often used to power rural applications.
Each factory-assembled and tested, industrial-grade Belle Motor Control Panel contains all the control components needed to start and operate a Belle Motor. Their simple design and spacious outdoor rated control cabinet allow for easy field installation using local electricians. High-grade industrial control components are used in a capacitor start/run configuration that uses intelligent logic to optimize starting and running performance. Over-temperature, under-speed and over-load protection supported by intelligent diagnostics are also included as standard features in every control panel, more easing installation and ensuring long-term reliability in the field.
Flexible operation: The inherent soft-start characteristics of Belle Motors provide low starting demands and flexible starting characteristics that are compatible with utility power quality requirements. The low in-rush, soft-start design allows many high inertial loads to be started without overheating and support the capability for instantaneous restarts following momentary power interruptions without risking damage to driven equipment.
Stationary engine replacement: A Belle Motor can serve as a cost-effective replacement of stationary engines used to power many rural applications. The ability to use readily available single-phase utility services for electric motors up to 100 hp allows for a 50-75% reduction in energy costs, simplified environmental compliance, reduced maintenance requirements and superior long-term performance. Re-fueling schedules and monitoring are no longer a concern when using Belle Motors.
Single Phase Power Solutions manufactures the world’s only large horsepower single phase motor. Their use of patented Written-Pole technology delivers a robust and reliable solution for many agricultural, industrial, municipal, oil and gas, and emerging market applications needing large horsepower motors. This capability frees design engineers from the restrictions of only having access to a single-phase power line. In addition to a full range of Belle Motors from 30 to 100 hp, Single-Phase Power Solutions also manufactures a 1-to-3 MicroGrid solution that generates clean, high-quality three-phase power from a single-phase line for packaged equipment needing a three-phase power source. For more information, visit www.sppowersolutions.com.
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