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Why Does Electric Motor Fail And What Can You Do About It?
The performance of Electric Motor As you already know, electric motor is used everywhere in industry and in term of. 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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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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PLC start up and checking procedures before applying the power
PLC start up Prior to applying power to the system there are five important PLC start up and checking procedures. 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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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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High voltage station – Design, construction and commissioning process
High Voltage Station – 3 Main Processes Having selected the right site location for high voltage station, the design construction. Read more
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3 good ways to improve earth electrode resistance
Earth electrode resistance When you find that your earth electrode resistance is not low enough, there are several ways you. Read more
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Troubleshooting dead circuit by testing continuity with disconnected supply
Dead circuit testing methods Dead circuit testing is testing performed with the power disconnected from the circuit. The main benefit. Read more
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Commissioning of protection relays using test equipment and software
Commissioning and maintenance With numerical protection relays commissioning and maintenance has become far less complicated as a result of the. Read more
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Transformer exterior inspection and tests you MUST perform periodically
Transformer exterior inspection Periodic transformer exterior inspection (visual) reveals important condition information. For example, valves positioned incorrectly, plugged radiators, stuck. Read more
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The easiest way to measure ground resistance using clamp meter, but be carefull!
Why clamp meter / tester for grounding? The ground clamp meter / tester is an effective and time-saving tool when. Read more
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Guidelines for high potential (Hi-Pot) DC testing of medium voltage cables
High potential “Hi-Pot” DC testing This technical article provides general guidelines for high potential “Hi-Pot” DC testing of MV power. Read more
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Measurement of N–PE loop resistance in TN, TT and IT systems
N–PE loop resistance Up-to-date test instruments, with built in modern electronics, can measure loop resistance even between the neutral N. Read more
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Performing power factor test on dry-type transformer during commissioning
Power factor test The power factor test is a maintenance test used to determine the insulation system dielectric power loss. Read more
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PLC power supply and safety (emergency) circuits requirements
Introduction The source for a PLC power supply is generally single-phase and 120 or 240 VAC. If the controller is. Read more
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Generation of high voltages in the lab (AC/DC, switching and lightning impulse)
Benjamin Franklin – The man who dared to fly his kite in a thunder storm! In this technical article laboratory tests and test equipment needed to assess the performance of insulating materials... Read...
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Commissioning substation busbars in an efficient and modern way
The commissioning procedure of substation busbars for differential protection and other busbar protection schemes involves a large number of input and output circuits that require a verification check...
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