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Technical Articles

Low Voltage

7 practical tips for installing a good measuring system

There are different product families on the market: instruments that measure a single electric parameter (voltage, current, frequency, phase angle cosϕ), generally used in single phase systems, as instrumentation on… Read more

Nov 14, 2014 | By Edvard Csanyi

7 practical tips for installing a good measuring system
Cables

Characteristics of XLPE insulated cables

XLPE is the recognized abbreviation for cross-linked polyethylene. This and other cross-linked synthetic materials, of which EPR (ethylene propylene rubber) is a notable example, are being increasingly used as cable… Read more

Nov 12, 2014 | By Edvard Csanyi

Characteristics of XLPE insulated cables with reference to the UK standards
Energy and Power

Impact of voltage regulation on power system stability

Voltage regulation, by definition, is the percentage change in secondary voltage from no-load to full-load conditions. The regulation is customarily specified at a specific power factor, as the power factor… Read more

Nov 07, 2014 | By Edvard Csanyi

Impact of voltage regulation on power system stability
Energy and Power

4 essential qualities of electrical protection

In generating stations, all electrical circuits and machines are subject to faults. A fault is generally caused by the breakdown of insulation between a conductor and ground or between conductors… Read more

Nov 03, 2014 | By Edvard Csanyi

4 essential qualities of electrical protection
Energy and Power

Applications and characteristics of differential relays (ANSI 87)

Differential relays generally fall within one of two broad categories: Current-differential and High-impedance differential Current-differential relays are typically used to protect large transformers, generators, and motors. For these devices detection of low… Read more

Oct 29, 2014 | By Edvard Csanyi

Applications and characteristics of differential relays (ANSI 87)
Industrial Automation

Automation Migration Strategy in 3 Phases

Owing to competitive pressures in the marketplace, a company often needs to introduce a new product in the shortest possible time. The easiest and least expensive way to accomplish this… Read more

Oct 27, 2014 | By Edvard Csanyi

Low Voltage

Guidelines to maintenance of low voltage switchboard

A well-executed maintenance program can provide the following benefits: Longer life of switchboard and fewer replacements; Reduced time on repairs and overhauls, and the option of scheduling them at an opportune… Read more

Oct 24, 2014 | By Edvard Csanyi

Guidelines to maintenance of low voltage switchboard
Energy and Power

9 Most Common Power Quality Problems

The most common types of Power Quality problems are presented below along with their description, causes and consequences: Voltage sag (or dip) Very short interruptions Long interruptions Voltage spike Voltage… Read more

Oct 20, 2014 | By Edvard Csanyi

9 Most Common Power Quality Problems


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