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Page Title:
Alternating current (AC) reactive components, including inductive and capacitive |
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|  DOE-STD-1170-2003
Nameplate Revolutions Per Minute (RPM)
National Electrical Mainframe Association (NEMA) frame size
Service factor
Insulation class
National Electrical Mainframe Association (NEMA) design designation (letter)
Non-symmetrical load
8.
Electrical systems personnel shall demonstrate a working level knowledge of
alternating current (AC) reactive components, including inductive and capacitive
reactance and phase relationships in reactive circuits.
Supporting knowledge and/or Skills
a.
Define the following:
Inductive reactance
Capacitive reactance
Power factor
Non-symmetrical load
b.
Describe the effect of the phase relationship between current (I) and voltage (E) in
an inductive circuit.
c.
Describe the effect on phase relationship between current (I) and voltage (E) in a
capacitive circuit.
d.
Determine the value for total current (IT) in a simple parallel resistance-
capacitance-inductance (R-C-L) alternating current circuit.
e.
Describe the relationship between apparent, true, and reactive power.
f.
Describe the indications of an unbalanced load in a three-phase power system.
g.
Discuss circuit considerations required for non-symmetrical loads.
9.
Electrical systems personnel shall demonstrate a working level knowledge of
electrical transmission and distribution systems.
Supporting Knowledge and/or Skills
a.
Explain the differences between transmission and distribution systems.
b.
Identify and discuss the advantages and disadvantages associated with
underground and above-ground distribution systems.
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