Posted inPower System Operation and Control
DYNAMIC RESPONSE OF LOAD FREQUENCY CONTROL LOOPS
·         It has been shown that the load frequency control system posses inherently steady state error…
Posted inPower System Operation and Control
TWO AREA SYSTEMS – TIE-LINE POWER MODEL
Consider two inter connected areas as shown in figure operating at the same frequency fl while…
Posted inPower System Operation and Control
LFC CONTROL OF SINGLE AREA AND DERIVE THE DYNAMIC RESPONSE
 Dynamic Response of the One-Area System  `Now we are going to study the effect of…
Posted inPower System Operation and Control
LOAD FREQUENCY CONTROL
 The following basic requirements are to be fulfilled for successful operation of the system: 1. The…
Posted inPower System Operation and Control
Sharing of load when two alternators are in parallel
Load Sharing  When several alternators are required to run in parallel, it probably happens that…
Posted inPower System Operation and Control
SPEED GOVERNING MECHANISM AND MODELLING
 Governor:  The power system is basically dependent upon the synchronous generator and its satisfactory performance.…
Posted inPower System Operation and Control
Technical Terms in Real Power Frequency Control
 Control area:  Most power systems normally control their generators in unison. The individual control loops…
Posted inPower System Operation and Control
POWER SYSTEM OPERATION
(i) Load Forecasting, (ii) Unit Commitment and (iii) Load Scheduling. 1. Load forecasting:  The load on…
Posted inPower System Operation and Control
Plant Level and System Level Control of Power System Control
The three main controls involved in powers are: 1. Plant Level Control (or) Generating Unit…
Posted inPower System Operation and Control
IMPORTANT TERMINALOGIES
Connected load It is the sum of continuous ratings of all the equipments connected to…