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Why Does Electric Motor Fail And What Can You Do About It?

June 16, 2016, 2:42 pm
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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)

July 10, 2016, 9:18 pm
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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?

July 12, 2016, 9:06 pm
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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

August 9, 2016, 9:24 pm
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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

September 22, 2016, 9:22 pm
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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

October 18, 2016, 9:21 pm
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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

November 1, 2016, 10:23 pm
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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

November 3, 2016, 10:11 pm
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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

November 10, 2016, 10:33 pm
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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

November 24, 2016, 10:32 pm
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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

November 27, 2016, 9:24 pm
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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

January 15, 2017, 9:19 pm
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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

January 24, 2017, 9:27 pm
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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!

February 5, 2017, 9:45 pm
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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

February 19, 2017, 9:35 pm
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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

February 23, 2017, 9:33 pm
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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

February 28, 2017, 9:18 pm
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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

March 14, 2017, 11:16 pm
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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)

May 29, 2017, 4:06 am
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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 more
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Commissioning substation busbars in an efficient and modern way

June 12, 2017, 10:19 pm
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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 in both the primary... Read more
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