Manual

6 | SAMLEX AMERICA INC.
SECTION 2 | General Information


Peak Value:
RMS (Root Mean Square) Value: It is a statistical average value of a quantity that varies



Voltage (V), Volts: It is denoted by “V” and the unit is “Volts”. It is the electrical force

-

Current (I), Amps, A:

Frequency (F), Hz: It is a measure of the number of occurrences of a repeating event per

Efciency, (
η):
Phase Angle, (φ): It is denoted by “φ” and species the angle in degrees by which the
current vector leads or lags the voltage vector in a sinusoidal voltage. In a purely induc-
φ
φ

φ-
φ
and may lag or lead the voltage vector.
Resistance (R), : It is the property of a conductor that opposes the ow of current
-
age. It is denoted by "R" and its unit is "Ohm" - also denoted as "".
Inductive Reactance (X
L
, Capacitive Reactance (X
C
) and Reactance (X): Reactance is the
opposition of a circuit element to a change of electric current or voltage due to that
element's inductance or capacitance. Inductive Reactance (X
L

of wire in resisting any change of electric current through the coil. It is proportional to
frequency and inductance and causes the current vector to lag the voltage vector by
φX
C

oppose changes in voltage. X
C
is inversely proportional to the frequency and capacitance
φ
unit of both X
L
and X
C
is "Ohm" - also denoted as "". The effects of inductive reac-
tance X
L

reactance X
C
