Caracteristicas de la carga

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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