Overclock.net › Forums › Components › Power Supplies › Compatibility of UPS System and Low Watt Processors that Activate Solenoids
New Posts  All Forums:Forum Nav:

Compatibility of UPS System and Low Watt Processors that Activate Solenoids

post #1 of 2
Thread Starter 
I enjoyed reading the very informative articles in this forum. I have a question that hopefully you guys will be able to provide some additional info and guidance on.

My situation is associated with the potential purchase of an Uninterpretable Power Supply (UPS) system for my church.

My church's bells are rung by three separate Rabbit 2000 Embedded Processors. The combined wattage output of the processors, when not activating solenoids to ring the bells, is only six watts. Two of the bells are rung with a single solenoid which, at activation, draws a peak current of 250 watts. The big bell uses two solenoids which has a peak current of 500 watts. The activation periods for the solenoids is between 60 and 90 milliseconds. The small bell strikes about 20 rings once a day (except Tuesdays) for weekly Call to Mass. The middle bell rings the Angelus daily at noon and 6 p.m. The Angelus consists of 18 total rings. The large bell strikes 17 rings 20 minutes before weekend masses on Saturday and Sunday. The only situation in which more than one bell is rung at the same time is when regular AC current is available and then manually by pushing a button. Lately, our town has had a slew of power outages. During the last outage, one of the processor's flash memory was "showing code," and possibly corrupted (i.e. power surges, other current irregularities). We will have the system designer reload the program and plan on purchasing a good surge protector designed for electronics. As a result of the outages, we are considering the purchase of an UPS that is rated at 1500 VA and 900 watts. THE BIG QUESTION: Will a standard UPS system recognize the peak currents (i.e when a bell rings) as an inductive load and deem it as an overload or will it successfully handle the peaks because they involve a wattage that is well within the wattage specifications? One technician said an inverter type UPS would be more appropriate as it would handle all three bells at the same time. Although that same tech didn't flat out say the standard UPS wouldn't work, he expressed concerns about the peak current draw during solenoid activation. Any input on this matter would be greatly appreciated!

Sincerely,
AlwaysRedE2Ring
post #2 of 2
An inverter type UPS? All UPS have an inverter... whether its always engaged or not is a different story (stand-by vs online UPS). As long as the peak power draw does not exceed what the UPS is rated for, a good UPS should be able to handle any type of load, be it inductive, resistive or capacitive.

Although, a simulated sine-wave UPS will probably overload with an inductive load. Sometimes what happens (and is the case with electric motors, for example), the simulated sine-wave is not compatible with the load (hence not allowing it to turn on) so the UPS treats it as an overload. I would highly recommend you either go for a pure sine-wave line-interactive UPS, or an online/double conversion which will most certainly work as both of these types output perfectly sinusoidal.
Ol' Sandy
(28 items)
 
"Zeus"
(12 items)
 
Elite Preview
(6 items)
 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1230v3 Gigabyte GA-Z97X-UD5H-BK MSI Gaming GTX 980 Kingston 32GB (4x8) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 128GB 1333MHz LSI 9271-8i 
OSPowerCase
VMware ESXi 5.5 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD Windows 10 Insider Preview 
  hide details  
Reply
Ol' Sandy
(28 items)
 
"Zeus"
(12 items)
 
Elite Preview
(6 items)
 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1230v3 Gigabyte GA-Z97X-UD5H-BK MSI Gaming GTX 980 Kingston 32GB (4x8) 
Hard DriveHard DriveHard DriveHard Drive
Plextor PX-256M5S 256GB Samsung EVO 1TB Hitachi HDS721010CLA332 Hitachi HDS723020BLA642 
Hard DriveHard DriveHard DriveOptical Drive
Hitachi HDS723020BLA642 Hitachi HUA722010CLA330 WDC WD10EARS-00Z5B1 TSSTcorp CDDVDW SH-S223B 
CoolingCoolingOSMonitor
Phanteks PH-TC14PE with TY-140's Lamptron FCv5 (x2) Windows 8 Pro 64-bit Dell U2412M 
MonitorMonitorMonitorKeyboard
Dell U2412M Dell U2212HM Dell U2713HM Topre Realforce 87UB | Ducky DK9087 G2 Pro 
PowerCaseMouseMouse Pad
Corsair AX-750 Corsair Obsidian 650D Logitech G700 XTRAC Ripper XXL 
AudioAudioAudioAudio
Beyerdynamic DT-770 Pro 250ohm Schiit Bifrost DAC Schiit Asgard 2 HiVi Swan M50W 2.1 
CPUMotherboardRAMHard Drive
Intel Xeon E5-2620 Super Micro X9SRL-F-B 128GB 1333MHz LSI 9271-8i 
OSPowerCase
VMware ESXi 5.5 SeaSonic SS-400FL2 Fractal Define R3 
CPUMotherboardGraphicsRAM
Intel Core i5-3437U HP EliteBook Folio 9470m  Intel HD Graphics 4000  16GB DDR3 SDRAM 
Hard DriveOS
256GB SSD Windows 10 Insider Preview 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Power Supplies
Overclock.net › Forums › Components › Power Supplies › Compatibility of UPS System and Low Watt Processors that Activate Solenoids