High Voltage

Protection

## Protecting Oil Type Transformer with Buchholz Relay

Electrical Lectures

## What Is The Energy, But For Real?

Save 50% on all EEP Academy courses with Enterprise Membership Plan and study specialized LV/MV/HV technical articles & guides.

Electric Motor

# PLC Ladder Diagrams for Electrical Engineers (Beginners)

As an introduction to ladder diagrams, consider the simple wiring diagram for an electrical circuit in Figure 1a. The diagram shows the circuit for switching on or off an electric… Read more

Nov 30, 2015 | By Edvard Csanyi

Protection

# HV/MV/LV Transformer Protection Schemes

Transformer protection should take into account the power, voltage, vector group and the importance of the unit within a particular system. Depending on these factors, the transformers can be assigned… Read more

Nov 28, 2015 | By Edvard Csanyi

Electric Motor

# Comparison of 4 Different Flow Control Methods Of Pumps

When in use, the pumps are always part of a pumping system. A pumping system is usually a network of pipes, tanks, valves and other system parts. The receiver is… Read more

Nov 27, 2015 | By Edvard Csanyi

Electrical Lectures

# The Mesh Current Method For Analysis Of Electric Circuits

The mesh current method of circuit analysis discussed in this technical article employs mesh currents as the independent variables. The idea is to write the appropriate number of independent equations,… Read more

Nov 25, 2015 | By Edvard Csanyi

Electric Motor

# Guidelines to electrical braking of asynchronous motors

In many industrial systems, motors are stopped simply by natural deceleration. The time this takes depends solely on the inertia and resistive torque of the machine the motor drives. However,… Read more

Nov 23, 2015 | By Edvard Csanyi

Energy and Power

# Automatic transfer system explained in detail (operational requirements)

In a previous article I explained the role of the automatic transfer system and the operational requirements – three modes of operation: manual mode, automatic mode, and auto mode failure…. Read more

Nov 21, 2015 | By Edvard Csanyi

Energy and Power

# Automatic Transfer System (ATS) Explained in Details

Using the basic building blocks of utility power, system topology, on-site generation, and uninterruptible power supplies, the basic role of the automatic transfer system may now be defined. In this… Read more

Nov 20, 2015 | By Edvard Csanyi

Energy and Power

# Example On How To Design a Low Voltage Switchboard

This technical article has the aim of helping the panel builder and the designer in the construction of ABB SACE ArTu low voltage switchboard. To this purpose, starting from the… Read more

Nov 18, 2015 | By Edvard Csanyi

Energy and Power

# Primary distribution schemes of power plants on board of big ships

The MV primary distribution network generally consists in a three-phase system with three conductors without neutral. Such system is usually managed with the neutral of the star point isolated from… Read more

Nov 16, 2015 | By Edvard Csanyi

Energy and Power

# The Tesla Electric Light Company in Electrical Review, August 14, 1886

Electrical Review, August 14, 1886 – A weekly journal of electric light, telephone telegraph and scientific progress This company has been organized nearly two years, and has devoted that tittle,… Read more

Nov 14, 2015 | By Edvard Csanyi

Energy and Power

# Single-line diagram of the AC transmission and distribution system

The conductor system by means of which electric power is conveyed from a generating station to the consumer’s premises may, in general, be divided into two distinct parts i.e. transmission… Read more

Nov 13, 2015 | By Edvard Csanyi

Energy and Power

# Connection Schemes For Testing Insulation Resistance Of Electrical Equipment

The following schemes show how to connect a Megger insulation tester to various types of electrical equipment. The schemes also show in principle how equipment must be disconnected from other circuits before… Read more

Nov 11, 2015 | By Edvard Csanyi

Energy and Power

# LV/MV Distribution In Power Plants On Board Of Big Ships

Without going into the details of the management modalities of the electric distribution or of the layout that an electrical system on board may have, it is possible to describe… Read more

Nov 09, 2015 | By Edvard Csanyi

Energy and Power

# Stop Transformer Noise With These Rules and Techniques

There are a number of basic installation precautions and transformer mounting techniques which if carefully noted and followed, will minimize the audible sound level (noise) of energized transformers. Some of… Read more

Nov 07, 2015 | By Edvard Csanyi

Energy and Power

# Electrical installations where use of TN-C-S system is prohibited

A real danger can arise when the non-current-carrying metalwork of an installation is connected to the system’s neutral, as is the case with a TN-C-S-fed system. The ground system is… Read more

Nov 06, 2015 | By Edvard Csanyi