101 Basic Series - Module 15 - Post Assessment
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1
Harmonics operate at the _______________ frequency of all power quality disturbances.
2
Electro-mechanical equipment is especially sensitive to variations in power quality.
3
Most personal computers have a ___________ port to communicate with a modem or a mouse.
4
________is a high-speed, low-cost, flexible network that is not vendor dependent, and allows information to be sent across the plant or around the world.
5
__________ are caused by non-linear loads such as adjustable frequency drives.
6
The double-ended substations system design offers two primary services separated by a TIE breaker.
7
Distribution monitoring can locate problems within a facility and set off alarms when systems are at thresholds.
8
Monitoring of a power system can provide data reducing labor costs, reporting errors, and dangerous situations.
9
_________ industry tends to define uptime as "maximizing return on investment".
10
By tracking and trending system life and performance, maintenance needs can be predicted, scheduled and implemented with a minimum amount of downtime.
11
Transients or surges are usually sub-cycle increases in voltage.
12
Variable-speed drive operation can cause transients and surges in power quality.
13
A _______ in voltage can be caused by several large motors or loads turning off at once.
14
_________ software can graphically identify usage trends over specific time periods.
15
If the magnitude and impact of downtime costs are not severe, the simple radial system may be a good choice for a facility.
16
A power quality disturbance can range from a microsecond to a constant steady state.
17
Noise distortion is unwanted electrical signals on the steady state voltage waveform.
18
___________ represents the utility's costs of maintaining the generating capacity required to service their entire customer base.
19
By logging the time various power events occur, clues about the nature and cause of a power problem can be discerned.
20
Developing an energy management plan helps to identify energy costs, its effect on the facility's operating budget, and the unit cost of their product.
 
   



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