Characteristics can not be controled
Desing engineers
They must know them
A good and an operable system
Affect
Individual or groups of loads
Particular point, portion or completily
Economic and of quality
Características
de la carga
Required
Intelligent anayses
Determinan
Existing conditions
conditions projected
Solutions
System voltage
Thermal loading
I. Introduction
Distribution systems
Distribute power
Source to many individual loads
Classification
of loads
Effects upon other loads
Special considerations
Electric service rate schedule
Dependence upon electric service
Type of establishment of consumer
Residential
Commercial
Industrial
Enviorment or geographical location
II. General characteristics
Service Requirements
Load growth
Load distribution
Load density
Balance
Load
Voltage
power factor
Loss factor
Diversified demand
Diversity factor
Coincidence factor
Load diversity
Load factor
Utilization factor
Demand factor
Máximum demand
Demand
Power
Instantaneous power, p(t)
Function of time
Calculated
Single phase
Poliphase
Three-phase
Apparent power (S)
Active power, P
Power required by loads
Generating station
Time average
Reactive power, Q
Magnetizing
component
Power required by the circuit
Supplied
Generators, motors or
statics capacitors
Vector power
Magnitude of S
III. Aplicaciones
IV. Determining load characteristics
V. Motor starting characteristics