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Power Systems

Describing Function: Analysis of Nonlinear Systems

The describing function is an approximate procedure for analyzing certain nonlinear control problems in control engineering . To start, let us first recall the basic definition of a linear control system. Linear control systems are those where the principle of superposition (if the two inputs are ap

By Electrical4u 03/29, 2024
Power Systems

Types of Controllers | Proportional Integral and Derivative Controllers

What is a Controller? In control systems, a controller is a mechanism that seeks to minimize the difference between the actual value of a system (i.e. the process variable) and the desired value of the system (i.e. the setpoint). Controllers are a fundamental part of control engineering and used in

By Electrical4u 03/28, 2024
Power Systems

Types of Control Systems | Linear and Non Linear Control System

A control system is a system of devices that manages, commands, directs or regulates the behavior of other devices to achieve a desired result. In other words, the definition of a control system can be simplified as a system which controls other systems to achieve a desired state. There are various

By Electrical4u 03/28, 2024
Power Systems

Control Systems: What Are They? (Open-Loop & Closed-Loop Control System Examples)

What is a Control System? A control system is defined as a system of devices that manages, commands, directs, or regulates the behavior of other devices or systems to achieve a desired result. A control system achieves this through control loops, which are a process designed to maintain a process va

By Electrical4u 03/28, 2024
Power Systems

On Off Control Controller: What is it? (Working Principle)

What is an On Off Controller? Sometimes, the control element has only two positions either it is fully closed or fully open. This control element does not operate at any intermediate position, i.e. partly open or partly closed position. The control system made for controlling such elements is known

By Electrical4u 03/28, 2024
Power Systems

Field Oriented Control

AC Induction motors offer enviable operational characteristics such as robustness, reliability and ease of control. They are extensively used in various applications ranging from industrial motion control systems to home appliances. However, the use of induction motors at its highest efficiency is a

By electricity-today 03/28, 2024
Power Systems

Control Engineering: What is it? (And its History)

What is Control Engineering Control system engineering is the branch of engineering which deals with the principles of control theory, to design a system which gives yields the desired behavior in a controlled manner. Hence, although control engineering is often taught within electrical engineering

By Electrical4u 03/28, 2024
Power Systems

Nyquist Stability Criterion: What is it? (Plus Matlab Examples)

What is Nyquist Stability Criterion? Nyquist stability criterion (or Nyquist criteria ) is defined as a graphical technique used in control engineering for determining the stability of a dynamical system. As Nyquist stability criteria only considers the Nyquist plot of open-loop control systems, it

By Electrical4u 03/28, 2024
Power Systems

SCADA System: What is it? (Supervisory Control and Data Acquisition)

What is SCADA? SCADA stands for “Supervisory Control and Data Acquisition.” SCADA is a process control system architecture that uses computers, networked data communications, and graphical Human Machine Interfaces (HMIs) to enable high-level process supervisory management and control. SCADA systems

By Electrical4u 03/28, 2024
Power Systems

Programmable Logic Controllers (PLCs): Basics, Types & Applications

What is a PLC? PLC stands for “Programmable Logic Controller.” A PLC is a computer specially designed to operate reliably in harsh industrial environments, such as extreme temperatures and wet, dry, and/or dusty conditions. PLCs are used to automate industrial processes such as a manufacturing plant

By Electrical4u 03/28, 2024
Power Systems

Steady State Error: What is it? (Steady-State Gain, Value & Formula)

What is Steady State Error? Steady-state error is defined as the difference between the desired value and the actual value of a system output in the limit as time goes to infinity (i.e. when the response of the control system has reached steady-state). Steady-state error is a property of the input/o

By Electrical4u 03/28, 2024
Power Systems

How to Find the DC Gain of a Transfer Function (Examples Included)

What is a Transfer Function? A transfer function describes the relationship between the output signal of a control system and the input signal. A block diagram is a visualization of the control system that uses blocks to represent the transfer function and arrows representing the different input and

By Electrical4u 03/28, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

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Describing Function: Analysis of Nonlinear Systems

Types of Controllers | Proportional Integral and Derivative Controllers

Types of Control Systems | Linear and Non Linear Control System

Control Systems: What Are They? (Open-Loop & Closed-Loop Control System Examples)

On Off Control Controller: What is it? (Working Principle)

Field Oriented Control

Control Engineering: What is it? (And its History)

Nyquist Stability Criterion: What is it? (Plus Matlab Examples)

SCADA System: What is it? (Supervisory Control and Data Acquisition)

Programmable Logic Controllers (PLCs): Basics, Types & Applications

Steady State Error: What is it? (Steady-State Gain, Value & Formula)

How to Find the DC Gain of a Transfer Function (Examples Included)

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