Spin Test Facilities
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| High speeds demanded by modern machinery for high performance
demand careful attention to the integrity of the rotor to insure reliability as well
as human safety. BSi's spin test equipment and other test benches are expressly designed to
perform the tests necessary to confirm design calculations and material integrity.
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1600 mm 40,000 RPM
160 kW Electric Drive
Spin Test Facility |
Electric vs. Air Turbines
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| BSi is the only spin test equipment manufacturer offering both air
(and steam) turbine and electric motor drive systems.
Of course, each of these prime movers has its respective advantages and applications.
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Electric Motor Advantages
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- Fewer energy conversions yield higher overall efficiency
- Energy is returned to the mains during deceleration
- No need for a compressed air supply
- Far more economical for Low Cycle Fatigue (LCF) testing
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Air Turbine Advantages
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- Relatively low cost
- Simple, elegant, more compact design for achieving high speed
- Drive changes to cover different speed ranges are accomplished very quickly
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BSi AC Drives vs. DC Drives
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When you compare BSi AC drives to conventional DC drives, you find there is really no comparison.
Here's what you can expect from BSi AC drives:
- High efficiency motors
- Flux vector drives
- Broad torque curves
- AC drives can operate two to three times design speed at full power. Thus, kilowatt for kilowatt,
AC drives yield better cycle rates.
- Reduced utility demand charges
- DC line regeneration controls have a power factor of 0.75 to 0.8.
- Less total harmonic distortion in the power supply
- Harmonic distortion created by DC drives exceeds limits allowable per VDE 0160/5/88.
- Compliance with CE standards and norms.
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Here's a sample of Barbour Stockwell's Spin Test Facilities:
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- Facility for Pre-Stressing Turbocharger Impellers
- 1600 mm Capacity
- 160 kW 40,000 RPM Electric Drive
- ABB Turbo Systems - Baden, Switzerland
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- Jet Engine Rotor Disks Spin Test Facility
- 1600 mm Capacity
- 40,000 RPM / 160 kW Electric Drive
- GEVA - Berlin, Germany
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- World's Largest Spin Test Facility
- 2500 mm - 12 Ton Capacity
- 160 kW 10,000 RPM Motor Drive
- Siemens Power Generation - Berlin, Germany
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- Small and Fast Spin Tester
- 200 mm Capacity
- 150,000 RPM
- Microtecnica - Turin, Italy
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- Cryogenic Spin Test Facility
- 80 Kelvin Test Temperature
- Space Shuttle Main Engine Test Facility
- 50,000 RPM Spin Testing
- NASA / Pratt & Whitney - West Palm Beach, Florida
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