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



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