Explanation of Hysteresis Loss & Eddy Current Losses in Transformers

Transformer is very simple and basic part of electrical system and considered most efficient of electrical components of machines. If we consider experimental models which are using superconducting windings then we may talk about achieving the the performance of 99.75 percent as well. In practice, energy is found to be lost in the windings, core and… Read More »

Electromagnetic Induction | Faraday Law & Lenz’s Law Explained

To best understand the Electromagnetic Induction lets first have a look on two important laws relating to the subject of this article. Lenz’s law is named after a Russian physicist of Baltic German descent Heinrich Lenz in 1834, and it states that, if an induced current flows, its direction is always such that it will… Read More »

IP Telephony System Installation Method Statement

All material used at the project site shall be approved prior to the start of IP Telephony system installation works. Materials and documentation relevant to a particular section of works will be checked by the site/project engineer prior to the commencement of work ensuring that these are of the correct type as reviewed by the… Read More »

Electrical Circuit Breaker Working Principal Operation & Types

What is Circuit Breaker? Electrical circuit breaker is a switching device which can be operated manually or automatically for controlling and protection of electrical power system respectively, it is a mechanical switching device, capable of making, carrying and breaking currents under normal circuit conditions. Circuit breaker is also capable of making and carrying for a… Read More »

Installation and Termination Method of 132 kV Cables and Fiber Optic Cables

The purpose of this document is to specify the procedure for the various activities in the installation of 132 kV cables and fiber optic Cables. The instructions of operation and maintenance manual must be observed for whole of the process for the cable laying installation and termination. Roles & Responsibilities Project Manager: Lead all construction… Read More »

BMS Building Management System Testing & Commissioning Method

The purpose of this document is to detail the testing & commissioning procedures of the Building Management System BMS. Below is list of some necessary tools & instruments. Calibration certificates of the testing equipment will be produced during testing and commissioning. Laptop with Ethernet cross cable Multi-meter. (A valid test/calibration certificate will be available for… Read More »