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The Nine Most Power Problems...

...Power protection as easy as 3, 5, 9  

Powerware approach to power protection revolves around the nine most common power problems present in any environment, This unique approach makes your decisions about power protection much simpler. the nine most power problems are: Power failure, Power sags, Power surges, Brownouts, line noise, overvoltage, frequency variation, switching transients and harmonic distortion.

These nine power problems are potentially harmful to your valuable data and your computer hardware. Not every UPS protects against all of them. Powerware offers three levels of power protection to choose from: Series 3, Series 5 and Series 9. Each series is designed to fit a different set of power protection needs and allows you to match your needs precisely with the appropriate level of power protection. using the series 3, 5, and 9 approach to power problems, powerware ease your selection process.

Powerware series 3 UPSs primarily protect against three of the nine power problems including power failures, power sags and power surges. This basic protection is necessary in order to prevent damage such as data loss, file corruption, flickering lights, hardware damage, and equipment shutoff. For example, if your utility fails you could lose all of your work in progress. Series 3 UPSs offer a degree of protection against other power problems and are most commonly used to protect single workstations.

Powerware Series 5 UPSs are most effective against five power problems (power failure, power sags, power surges, undervoltage and overvoltage) and over a degree of protection against other power problems. Some of the damages you risk by not using a Series 5 UPS include premature hardware failure, data loss and corruption, data error, keyboard lockup, storage loss and system lockup. Series 5 UPSs are recommended for small network systems - all the way up to enterprise networking environments.

Powerware Series 9 UPSs protect against all nine power problems. Powerware Series 9 comprehensive protection prevents all of the damages mentioned earlier as well as component stress, burned circuit boards, data crash and program failures, Series 9 UPSs offer the highest level of power protection available and are always recommended for mission-critical applications like business dependent server farms and hospital. 

Everything you should know about power quality...    

Even in the United States, where power quality is relatively good, a typical computer installation experiences each year an average of 289 power disturbances potentially harmful to sensitive electronic devices.

This is the documented conclusion of a five-year study by the Best Power National Power Laboratory, dedicated to learning more about the nature and incidence of power quality problems.

The study monitored over 130 sites throughout North America. "Disturbance" was defined any power aberration outside the recognized susceptibility limits for computer equipment, as established by the Computer and Business Equipment Manufacturer's Association (CBEMA).

The study showed that the average computer is buffeted by the following over the course of a year:

• 16 Power Failures (power out for more 8.35 ms)

• 164 Surges/Overvoltages, usually caused by drops in electrical demand and widespread equipment shutdown.

• 90 Sags/Undervoltages, caused by large loads starting up, line faults in utility power, or rolling brownouts created by utility companies on peak-use days.

• 19 Transients or Spikes, most caused by lightning, some by power coming back on after a blackout.