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SCADA REQUIRES COMMUNICATION BETWEEN MASTER CONTROL STATION AND REMOTE CONTROL STATION:
Leased-wire means use of a standard telephone circuit; this is a convenient and straightforward means of telemetry when it is…
SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA)
· There are two parts to the term SCADA Supervisory control indicates that the operator, residing in the energy control center (ECC), has…
ENERGY MANAGEMENT SYSTEM (EMS)
· The EMS is a software system. Most utility companies purchase their EMS from one or more EMS vendors. · These EMS…
Forms of Computer Process Control
There are various ways in which computers can be used to control a process. First, we can distinguish between process…
PMU
Stands for “Power Management Unit.” The PMU is a microcontroller, or integrated circuit, that controls the power functions of Macintosh computers.…
COMPUTER CONTROL OF POWER SYSTEMS
· Increase in unit size, growth of interconnected and the need to maintain the system in normal mode require sophisticated control,…
ECONOMIC DISPATCH SOLUTION BY LAMBDA-ITERATION METHOD
· Block diagram of the lambda-iteration method of solution for the all-thermal, dispatching problem-neglecting losses. · We can approach the solution to…
STATIC SYNCHRONOUS COMPENSATOR (STATCOM)
· The STATCOM (or SSC) is a shunt-connected reactive-power compensation device that is capable of generating and/ or absorbing reactive power…
TYPES OF SVC
1. Variable impedance type 2. Current source type 3. Voltage source type The followings are the basic types of reactive power control elements…
Tap Changing in Transformer
Tap Changing Regulating the voltage of a transformer is a requirement that often arises in a power application or power…
Automatic Load Frequency Control
The ALFC is to control the frequency deviation by maintaining the real power balance in the system. The main functions…