Introduction to PID Controllers

A PID controller, standing for Proportional-Integral-Derivative controller, is a fundamental control loop feedback mechanism widely used in industrial control systems. A PID controller continuously calculates an error value as the difference between a desired setpoint and a measured process variable, and applies a correction based on proportional, integral, and derivative terms, hence the name. Proportional […]

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An Overview of Modbus Protocol

Overview of Modbus Protocol  Modbus Protocol is a widely used communication protocol in the field of industrial automation. Developed in the late 1970s by Modicon (now Schneider Electric), it was designed to enable communication between programmable logic controllers (PLCs) and other industrial devices such as sensors, actuators, and human-machine interfaces (HMIs). Despite being over four

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SVC and STATCOM

Comparison of SVC and STATCOM

Introduction: SVC and STATCOM are two types of FACTS devices that can provide dynamic reactive power compensation and voltage support for power systems. SVC and STATCOM have similar objectives and functions, but they have different structures and principles, which result in different features and characteristics. Therefore, it is important to understand the differences and similarities

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Electric Induction Motor & Speed Controller - The English Electric Co Ltd, Spotswood Sewerage Pumping Station, Victoria, circa 1938

Electric Motor Overload Protection

Electric motors are the workhorse of modern life, powering everything from the hum of your home appliances to the colossal machinery of heavy industry. Yet, like any tireless worker, they require protection from the very force that fuels their work: overcurrent. Unchecked, excessive current can lead to catastrophic consequences, jeopardizing not only the motor itself

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Integrating Renewable Energy

The Challenges and Opportunities of Integrating Renewable Energy Sources into the Power Grid

Introduction With rising environmental concerns and the urge to add sustainability, integrating renewable energy sources into the power grid holds immense promise. However, there are some challenges that need to be overcome. Role of Renewable Energy Sources in the Power Grid Renewable energy sources, like wind and solar power, are pivotal in reducing the reliance

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KNX vs ZigBee Battle of Two Home Automation Technologies

Introduction Home and hotel automation is the use of technology to control and manage various aspects of a building, such as lighting, heating, ventilation, air conditioning, security, entertainment, and more. Home and hotel automation can provide convenience, comfort, energy efficiency, and security for the occupants. However, to achieve these benefits, different devices and systems need

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Why are stones laid in the switchyard of electrical substations?

Electrical substations play a crucial role in the transmission and distribution of electricity. They act as the link between the power generation stations and the end-consumers. One important component of a substation is the switchyard, which is responsible for the proper functioning and protection of the electrical equipment. In the switchyard, stones are used instead

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Mastering Serial Communication Protocols: Complete Guide to RS485, RS232, and Modbus – Industrial Control Systems

Serial communication protocol is the backbone of industrial control systems that are used in a variety of applications such as robotics, automation, and data acquisition and control systems. The three most widely used serial communication protocols are RS232, RS485, and Modbus. In this article, we will be discussing these protocols in detail and how they

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