Types of Generators
Essentially, there are two basic types of generators: • DC generators • AC generators: Asynchronous (Induction) generators and Synchronous generators INDUCTION GENERATORS The induction generator is nothing more than an…
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 applied can be a better choice over a traditional approach…
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 supply. This is useful for increasing the availability of system…
Worldwide Voltage & Frequency Values
The voltage and frequency of alternating current (AC) electricity used in homes varies from country to country throughout the world. Typically either 110-volt AC (110V) or 220-volt AC (220V) are…
Formula of AMP, KW, KVA, HP for AC and DC Voltages
Formula of AMP, KW, KVA, HP for AC and DC Voltages
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 find mass flow rate.
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 be followed during DCS Loop Checks.
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 Schedule): 1. Understand the Cause & Effect Matrix, if any…
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 (applicable to most any digital network). These network specifications were…
Surge Protection for the Fieldbus System
Definition The effects of a lightning strike, even at a distance of 500 m, endangers electronic/electric equipment. The main purpose of the surge protection barrier is to limit induced transient voltage…
