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Technical Articles

Wind Power

What happens when the wind doesn’t blow?

One of the questions most often asked about wind power is ‘what happens when the wind doesn’t blow’. In the big picture wind is a vast untapped resource capable of… Read more

Mar 07, 2011 | By Edvard Csanyi

What happens when the wind doesn’t blow?
Energy and Power

Early years of Nikola Tesla

Nikola Tesla was born “at the stroke of midnight” with lightning striking during a summer storm. He was born in Croatia in the Austro-Hungarian Empire. The midwife commented, “He’ll be… Read more

Mar 05, 2011 | By Edvard Csanyi

Nikola Tesla - Early Years
High Voltage

Economics of GIS

The equipment cost of GIS is naturally higher than that of AIS due to the grounded metal enclosure, the provision of an LCC, and the high degree of factory assembly…. Read more

Mar 04, 2011 | By Edvard Csanyi

SF6 Gas Insulated Substations (GIS) - Mitsubishi Electric
Transformers

Transformer Winding Temperature Thermometer

These devices are supposed to indicate hottest spot in the winding based on the manufacturers heat run tests. At best, this device is only accurate at top nameplate rated load… Read more

Feb 25, 2011 | By Edvard Csanyi

Transformer Winding Temperature Thermometer
Metering

How To Use A Digital Multimeter

A digital multimeter is used to make various electrical measurements, such as AC and DC voltage, AC and DC current, and resistance. It is called a multimeter because it combines… Read more

Feb 23, 2011 | By Edvard Csanyi

How to use digital multimeter
Energy and Power

Protection Relay – ANSI Standards

In the design of electrical power systems, the ANSI Standard Device Numbers denote what features a protective device supports (such as a relay or circuit breaker). These types of devices… Read more

Feb 22, 2011 | By Edvard Csanyi

ANSI codes for protection relays
Electronics

What Is Modulation?

Modulation is the use of one electrical signal to “control” a primary variable of another. For example, if an audio signal voltage is used to control the “amplitude” of a… Read more

Feb 20, 2011 | By Sa'ad Eddin

Modulation - addition of information (or the signal) to an electronic or optical signal carrier
IEC Standards

IP Protection Degree (IEC 60529) Explained

The protection of enclosures against ingress of dirt or against the ingress of water is defined in IEC529 (BSEN60529:1991). Conversely, an enclosure which protects equipment against ingress of particles will… Read more

Feb 19, 2011 | By Edvard Csanyi

IP Protection Degree (IEC 60529) Explained
Energy and Power

Technology Innovation Is Everybody’s Business!

For close to 10,000 years, science and technology have been at the heart of economic growth and social prosperity. From the agricultural revolution to the information revolution, advances in society… Read more

Feb 18, 2011 | By Edvard Csanyi

Technology Innovation
Lighting

What Light Source To Choose?

One of the first decisions in the design of a good lighting system is the choice of a light source. A number of light sources are available, each with its… Read more

Feb 17, 2011 | By Edvard Csanyi

Light Sources and Lamp Characteristics
SCADA

iFIX Scada Features

iFIX offers a robust SCADA engine, rich set of connectivity options, open architecture and highly scalable and distributed networking model. Used in a variety of applications across diverse industries, it… Read more

Feb 15, 2011 | By Edvard Csanyi

iFIX Scada Features


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