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The basics of power in alternating current circuits (you MUST NEVER forget)
Power, voltage & alternating current In a DC circuit, the power is equal to the voltage times the current, or. Read more
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Commissioning tests of protection relays at site (before set to work)
Installation of protection relays Installation of protection relays at site creates a number of possibilities for errors in the implementation. Read more
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Electricity and water do not form a happy partnership, do they?
Drying Out Electrical Equipment Electricity and water do not form a happy partnership and so it is often necessary to. Read more
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The essentials of AC power transformers for students and beginners
AC power transformers AC power transformers are one of the keys to allowing widespread distribution of electric power as we. Read more
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Few good tips for low voltage switchgear maintenance and care
Low voltage switchgear The low voltage switchgear involves many devices like power circuit breakers, MCBs, aux. relays, CTs, VTs etc.. Read more
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Earthing in DC distribution systems similar to the AC systems
DC distribution systems This technical article shows earthing of a specific pole of a two-wire DC distribution systems. The decision. Read more
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What is distribution substation and its main components?
Distribution substation Distribution substation typically operates at 2.4 – 34.5 kV voltage levels, and deliver electric energy directly to industrial and residential. Read more
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Challenge your electrician skills with these 15 questions
Always challenge your electrician skills Whether you are professional or a novice in a field of electrical engineering, it’s always. Read more
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How standby generators work and how to dimension them?
Standby generators Standby generators (Figure 1 below) are used in order to provide consumers in the system entitled to standby. Read more
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What type of residual current device (RCD) you should use for protection?
Residual current device (RCD) It is not quite clear when and by whom the first residual current device (RCD) was. Read more
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5 transformer constructions you’re most likely to see inside buildings
Transformer constructions Liquid filled, ventilated dry and gas filled dry types There are several different types of transformer constructions you can see installed in. Read more
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Three applications where variable speed drive really rocks!
Energy saving & variable speed drive Many industrial sectors have discovered the benefits of using variable speed drive (VSD) control. Read more
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First, identify ground faults and status of the neutral and then protection…
Ground faults and status of the neutral To identify ground faults in a network and therefore carry out effective protection,. Read more
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Guidelines for PLC installation, wiring and connection precautions
PLC installation – input/output Input/output installation is perhaps the biggest and most critical job when installing a PLC – programmable controller. Read more
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Testing of transformer oil and winding temperature indicators
Oil and winding temperature devices All large transformers have an oil or a winding temperature indicating device of some type,. Read more
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What happens when a transformer fire occurs in a substation
Transformer fire in a substation If a fire occurs as a result of a failure in a transformer, then the. Read more
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Basic measuring of resistance, voltage and current using digital multimeter
Few words about digital multimeter Digital multimeter has generally replaced the analog-type multimeter as the test device of choice for. Read more
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Why busbar trunking system is a space saving solution worth every penny
Busbar trunking system As line distribution boards, busbar trunking system (BTS) also belongs to the group of switchgear assemblies documented. Read more
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Motor wiring guidelines (Cable shielding, grounding and splicing techniques)
Motor wiring and noise This technical article describes shielding, grounding, and splicing techniques for use with motor wiring. This article. Read more
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Should you choose fixed or withdrawable medium voltage switchgear?
Fixed or withdrawable medium voltage switchgear? How to make the right choice between fixed or withdrawable medium voltage switchgear when. Read more
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