Dr Vipin Jain 
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 reflects how well a linear system performs by showing the … Read more
What is an Open Delta Connection Transformer? An open delta connection transformer uses two single-phase transformers to supply a three-phase load. Also known as a V-V system, this setup is typically used only in emergencies because it is less efficient than a closed delta (delta-delta) system used in normal operations. In subsequent discussion, we will … Read more
What is Nyquist Stability Criterion? The Nyquist stability criterion (or Nyquist criteria) is defined as a graphical method in control engineering to determine the stability of a dynamic system. It only uses the Nyquist plot of open-loop control systems, making it unnecessary to calculate the poles and zeros of closed-loop or open-loop systems. As a … Read more
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 all complex control systems. Before … Read more