National Load Despatch Centre

Power System Operation

Overview of Power System Control

CONCEPT OF REAL AND REACTIVE POWER

SYSTEM LOAD VARIATION

ECONOMIC OF GENERATION

IMPORTANT TERMINALOGIES

Plant Level and System Level Control of Power System Control

POWER SYSTEM OPERATION

Technical Terms in Real Power Frequency Control

SPEED GOVERNING MECHANISM AND MODELLING

Sharing of load when two alternators are in parallel

LOAD FREQUENCY CONTROL

LFC CONTROL OF SINGLE AREA AND DERIVE THE DYNAMIC RESPONSE

TWO AREA SYSTEMS - TIE-LINE POWER MODEL

DYNAMIC RESPONSE OF LOAD FREQUENCY CONTROL LOOPS

REACTIVE POWER

Reactive Power Compensation

Voltage Regulation of Transformer

Excitation System

DC Excitation System

AC Excitation System

Static Excitation System

Automatic Voltage Regulator

Automatic Load Frequency Control

Tap Changing in Transformer

TYPES OF SVC

STATIC SYNCHRONOUS COMPENSATOR (STATCOM)

ECONOMIC DISPATCH SOLUTION BY LAMBDA-ITERATION METHOD

COMPUTER CONTROL OF POWER SYSTEMS

PMU

Forms of Computer Process Control

ENERGY MANAGEMENT SYSTEM (EMS)

SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA)

SCADA REQUIRES COMMUNICATION BETWEEN MASTER CONTROL STATION AND REMOTE CONTROL STATION