Rotary UPS offers 12 sec batteryless ride through

Anaheim, Calif .—Starsine rotary uninterruptible power supply (Rotary UPS) provides up to 12 sec flywheel ride through for power line disturbances and short-term outages. It consists of an induction motor/generator (IMG) that works with a surge-limiting line reactor; electronic control package; low-speed flywheel; standby diesel engine; and switchgear for linking to a utility feeder.

03/01/2002


Anaheim, Calif .-Starsine rotary uninterruptible power supply (Rotary UPS) provides up to 12 sec flywheel ride through for power line disturbances and short-term outages. It consists of an induction motor/generator (IMG) that works with a surge-limiting line reactor; electronic control package; low-speed flywheel; standby diesel engine; and switchgear for linking to a utility feeder. Normally, the frequency-injected exciter runs the IMG as a motor, regulating flywheel speed to 1,800 rpm. In case of a power disturbance, Starsine is disconnected form the line, and flywheel energy drives the IMG in generator mode to provide the load with UPS. If the fault lasts over 2 sec, flywheel power provides ride through until the standby engine comes up to speed to power the load. Starsine models are rated from 315 kVA to 2.2 MVA at nominal inputs of 480 V or 4.16 kV. www.satcon.com SatCon Power Systems





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