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7 typical layout designs of 11kV indoor distribution substation
11kV Indoor distribution substation The following layout designs of indoor distribution substation are typical only and should not be used. Read more
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6 transformer operating limitations that make it far from ideal
Transformer operating limitations There are few operating limitations that make transformer far from ideal. Generally, some of transformer operating limitations. Read more
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Advices how to calculate the power loss inside the LV switchboard
Power loss and heat dissipation In order to give the necessary indications on the methods intended to calculate power loss. Read more
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Problems with audible substation noise and what you can do about it
Audible substation noise Audible substation noise, particularly continuously radiated discrete tones (e.g., from power transformers), is the type of noise. Read more
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4 steps to diagnose a potential harmonics related problem
Harmonics related problem If a plant engineer suspects that he might have a harmonics related problem, the following steps can. Read more
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Best practice for using surge protective devices (SPDs) and RCD together
Surge protective devices (SPDs) and RCDs Where the power distribution system incorporates RCDs transient activity could cause RCDs to operate. Read more
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Guidelines for good consumer unit design and low electric fields in the house
Consumer unit with RCB and MCBs The consumer unit is the “fuse box” which goes between the electricity meter and. Read more
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Paralleling and ferroresonance as special problems with transformers
Paralleling transformers Occasionally, crews must install distribution transformers, either at a changeover or for extra capacity. If a larger bank. Read more
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Practical tips for installation and using of thermistor motor protection
Thermistor motor protection Thermistor is a small non-linear resistance sensors, which can be embedded within the insulation of a motor. Read more
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Aluminium or copper busbar trunking system? What do you say?
Busbar trunking system material These two materials (aluminium and copper) are both physically and economically viable for use as conductors. Read more
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5 good methods to apply for successful PLC troubleshooting
PLC troubleshooting methods PLC troubleshooting can be performed in many different ways and as the engineer’s experience always plays the major. Read more
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How electricians choose the most suitable protection devices
Choosing the most suitable protection devices There are at least four main issues electricians must take care off very carefully when choosing. Read more
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14 electrical characteristics of the motor you should know
Electrical characteristics of the motor Electrical characteristics like voltage, frequency and phase of power supply should be consistent with the. Read more
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Tips for power factor correction and good protection of capacitors
Power factor correction principle Loads such as induction motors draw significant reactive power from the supply system, and a poor. Read more
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Wiring of control power transformer for motor control circuits
Why use a Control Power Transformer? The motor branch circuit is usually a segment of a larger electrical distribution network. Read more
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5 key factors to the correct cable selection and application
Cable selection and application It is essential to know cable construction, characteristics, and ratings to understand problems related to cable. Read more
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3 easy measures for good PLC system maintenance
PLC system maintenance Why need for PLC system maintenance when they are designed to be easy to maintain and to. Read more
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Using Megger tester for these 3 types of insulation resistance tests
Types of insulation resistance tests You know that good insulation has high resistance and poor insulation relatively low resistance. The. Read more
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6 lockout operations every electrician MUST perform and respect
Lockout operations The lockout operations or safety procedures are precisely and clearly defined operations, the aim of which is always. Read more
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Do you know what an arc flash is? If not, keep reading, it’s important.
What is an Arc Flash? An Arc Flash is an electrical explosion resulting from a low impedance connection to ground. Read more
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