Energy and Power
Can you really reduce kVA billing after installing power capacitors?
This technical article I dedicate to stubborn factory owners who still don’t believe and don’t want to spend the money on optimizing the factory costs. Not all of them are… Read more
Sep 04, 2015 | By Edvard
Testing and Commissioning
Eight Recommended Periodic Inspections of a Substation Transformer
The following periodic tests and inspections are recommended for routine maintenance of the medium power substation transformer. Gauge readings Cooling fans Control wiring Paint finish Fluid dielectric test Bushing and… Read more
Sep 02, 2015 | By Edvard
Industrial Automation
3 Conditions That Can Damage Your PLC
In certain applications, the operating environment may have extreme conditions that require special attention or otherwise can seriously damage PLCs. These adverse conditions include excessive noise and heat and nuisance… Read more
Aug 31, 2015 | By Edvard
Electric Motor
19 Essential Information You Can Find On Motor Nameplate
Motor nameplate is normally located on all produced electric motors. Understanding nameplate information can be hard sometimes, but is essential. In most countries it is a requirement for manufacturers to… Read more
Aug 29, 2015 | By Edvard
Industrial Automation
Few Good Tips For Estimating and Optimizing Pumping Energy Costs
To help estimate pumping energy costs: To compare different system and pumping equipment proposals and make an intelligent choice, three facts will need to be established: Will the process require varying… Read more
Aug 28, 2015 | By Edvard
Cables
Electrical Design Project Of a Small Bakery
A small bakery with just a counter and storage areas is simple to design. The electrical design follows the layout for a house, but care must be taken on loading factors if… Read more
Aug 26, 2015 | By Edvard
Electrical Lectures
PLC Latch (Flip-Flop) Logic Function – Like a Sticky Switch!
More complex systems cannot be controlled with combinatorial logic alone. The main reason for this is that we cannot (or choose not to) add sensors to detect all conditions. In… Read more
Aug 24, 2015 | By Edvard
Energy and Power
Things About MCBs That Every Low Voltage Electrician Should Know
Miniature circuit breaker – MCB is a thermo-magnetic device, meaning that it has two methods of circuit interruption. A thermal mechanism, usually a bi-metallic strip, provides protection against moderate overcurrent…. Read more
Aug 22, 2015 | By Edvard
Industrial Automation
Installing Sensors Incorrectly As a Mistake #2 In Instrumentation
Generally speaking, there are four ‘Poors’ that can lead to incorrectly installing instrumentation sensors: Poor placement Poor control Poor protection Poor grounding Each of above sensor ‘poors’ are described below, and by… Read more
Aug 21, 2015 | By Edvard
Electrical Lectures
Kirchhoff’s Laws For Electrical Engineers – Beginners
Two extremely important principles in electric circuits were codified by Gustav Robert Kirchhoff in the year 1847, known as Kirchhoff’s Laws. His two laws refer to Voltages and Currents in… Read more
Aug 19, 2015 | By Edvard
Industrial Automation
Selecting Wrong Sensor As a Mistake #1 In Instrumentation
Despite ongoing advancements in measurement technology, instrumenting a process for feedback control remains a technical challenge. Today’s sensors are certainly more sophisticated than ever before, and fieldbus technology has simplified… Read more
Aug 17, 2015 | By Edvard
Industrial Automation
4 Steps To Follow During Commissioning of a PLC System
Yes, PLC programs are never final, it is always possible to make corrections and subsequent adaptations to new system according the customer requirements. Even during commissioning, program changes are often… Read more
Aug 15, 2015 | By Edvard
Electrical Lectures
Few advices for improving integrity of protective conductor
Most modern electronic equipment uses switched mode power supplies (SMPS) which draw pulses of current from the mains supply rather than a continuous sinusoidal current. The fast rise time edges of the… Read more
Aug 14, 2015 | By Edvard
Electric Motor
Comparison of Soft Starting and Frequency Converter Motor Starting
A soft starter is, as you would expect, a device which ensures a soft starting of a motor. A softstarter has different characteristics to the other starting methods. It has… Read more
Aug 12, 2015 | By Edvard
Energy and Power
10 Common Causes Of Arc-Flash and Other Electrical Accidents
The most common cause of Arc Flash and other electrical accidents is carelessness. No matter how well a person may be trained, distractions, weariness, pressure to restore power, or overconfidence… Read more
Aug 10, 2015 | By Edvard
