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Electrical Engineers And Master Electricians EEAME Portal
...references, ebooks, standards and tutorials
Device Function Numbers
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Total: 24 results found.
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(AFX UK Focus) 2009-06-16 18:09 Italy may invest billions in Montenegro energy-min (Interactive Investor)
... said on Tuesday. After meeting Montenegrin Prime Minister Milo Djukanovic in the capital Podgorica, Scajola said "investors are also interested in installing an undersea electric power
JAXA Selects OKI Electric Cable's Long FPC for Its Probe to Test World's First Solar Power Sail (Business Wire via Yahoo! Finance)
KANAGAWA, Japan----OKI Electric
today announced that its 14 meter Flexible Printed Circuit was selected by Japan Aerospace Exploration Agency , to be used for their probe, "IKAROS*1," which is a ...
Earth Fault-Loop Impedance Part 3
In Part 2, we did a simple calculation for the maximum length of the
. We have not considered the internal impedance of the source, i.e. the transformer impedance. Likewise, we just consider the current ...
Earth Fault-Loop Impedance Part 2
impedance is limiting the earth fault current, the only solution will be using a residual current (earth leakage) protection. It is not always advisable to have this solution though. There are ...
Time-Current Curves with Excel IV
... 250A set @ 5IN Supply
Size : 35 mm2 PVC/PVC Primary Circuit Breaker (0.16 time multiplier) Rating : 160A Setting 1 : 800A @ 5IN Setting 2 : 1120A @ 7IN Power Transformer Rating: 2500 kVA, 11/0.415kV, ...
Hign Voltage Switchgear Rated Insulation Level
... switching impulse voltage (Us) (when appli
), and power-frequency voltage (Ud) shall be selected without crossing the horizontal marked lines. The rated insulation level is specified by the rated lightning ...
... a year to our member who are able to provide the first correct answer to our challenge question. The Challenge: The photos are taken from the
compartment of an 11KV Switchgear. The installation ...
Variable Speed Drive vs Soft Starter
Selecting the right equipment to perform the right task during design is a tedious job. A very good example is the variable speed drive (VSD) versus Soft Starter(SS). On low capacity drives (
IEEE Std 242 Protection and Coordination
... other appli
codes and regulations relating to human safety. ...
IEEE Std 142 Grounding Power Systems
... the frames and enclosures of electric apparatus, such as motors, switchgear, transformers, buses,
s, conduits, building frames, and portable equipment, to a ground system is addressed. The fundamentals ...
Cable Calculation and Selection Worksheet
As the final article on voltage drop and
selection series, I am now providing a complete worksheet for
selection based on the IEC standards 60228 and 60364-5-54. I created the worksheet in ...
A New Environment
... for load calculations, load flow analysis,
s sizing calculations, etc., there were none. Then I said to myself, I will be having a tough time here. A good tip to those people who are transferring ...
... upcoming articles will be:
short circuit withstand
selection economy And many more. . . ...
Cable Operating Temperature
Electrical design requires selecting the
with the correct temperature rating. Designers tend to select the
with the highest temperature rating, this is not acceptable as the first cost of the ...
Voltage Drop Calculation - Part 3
In our example in Voltage Calculation - Part 2, we have only considered a single
and checked only the voltage drop at starting. In actual practice, we shall be comparing several
sizes, selecting ...
Voltage Drop Calculation - Part 2
... of what you have already done or currently doing in your design. We shall be presenting an IEC standard equipment in our sample calculation. A 120 mm2 3core XLPE insulated
120m in length ...
Voltage Drop Calculation
This article is the first of a series in the selection of electrical
selection is an important part of electrical installation design. Selecting the correct size of
could lower ...
Earthing and Bonding
... As normally applied to instrumentation
s, a conductive sheath (usually metallic) applied over the insulation of a conductor or conductors, for the purpose of providing means to reduce coupling between ...
IEC 60079 - General Requirements
... ambient temperature range shall then be stated by the manufacturer. The marking shall then include either the symbol Ta or Tamb together with the special range of ambient temperatures or, if this is impracti
Classification of Hazardous Areas
... because the flammability characteristics of mists are not always predictable. Whilst it can be difficult to decide upon the type and extent of zones, the criteria appli
to gases and vapours will, ...
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