What is a Transformer Tap Changer
  • PLC Tutorials

What is a Transformer Tap Changer

A tap changer is a device fitted to power transformers for regulation of the output voltage to required levels. This…

  • PLC Tutorials

Types of Generators

Essentially, there are two basic types of generators: • DC generators • AC generators: Asynchronous (Induction) generators and Synchronous generators…

  • Instrumentation Design

Instrumentation Cable trays Installation in vertical orientation

The article describes a improvement for better life and easy maintenance for instrumentation cable trays for industry. The practices if…

  • Guest Articles
  • Instrumentation Design

Redundant Power Supply for Critical Field Panels

The Critical applications where availability of continuous power supply is required can be met with hot swappable/redundant 24 vdc power…

  • Electrical Basics

Worldwide Voltage & Frequency Values

The voltage and frequency of alternating current (AC) electricity used in homes varies from country to country throughout the world.…

  • Electrical Basics

Formula of AMP, KW, KVA, HP for AC and DC Voltages

Formula of AMP, KW, KVA, HP for AC and DC Voltages  

  • Flow Measurement

What is a Coriolis Flow Meter?

Coriolis flow meter works by vibrating one or more tubes carrying flowing fluid, then measuring the frequency and phase to…

  • Control Systems

How to Do Loop Checks During Plant Pre-Commissioning

Guide lines to be followed in Field during DCS Field Loop Checks (with P&ID) and step by step procedure to…

  • Control Systems

How to Do Logic Checks During Plant Pre-Commissioning

Basic Guidelines to be followed during Logic Checks (Follow Cause & Effect, Control Narrative, P&ID and Latest Alarm & Trip…

  • Communication

7 OSI Layers of Communication

ISO/OSI Model The International Standards Organization (ISO) has determined a general architecture of network specifications in their DIS 7498 model…