Maintenance
Protective grounding requirements for transmission and distribution lines
This technical article covers protective grounding requirements for steel tower and wood pole supported transmission and distribution lines, and insulated power cables. Protective grounds must be installed so all phases of lines or cable are visibly and effectively bonded together… Read more
Sep 25, 2019 | By Edvard Csanyi
Low Voltage
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Things you MUST know when commissioning low voltage switchgear and circuit breakers
Purchasing low voltage switchgear is not that easy, it’s not like purchasing a new TV or laptop. You have to be very experienced and deadly serious when specifying and ordering LV switchgear, but also during the commissioning and testing. This…...
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Sep 23, 2019 | By Edvard Csanyi
Maintenance
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Maintenance and troubleshooting guidelines for a typical high voltage switchgear
Like any other major component of the high voltage electrical network, a switchgear also needs maintenance schedules for trouble-free operation during its life cycle. No one should work on the system itself or on any plant controlled by it, without…...
Membership Upgrade Required
This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Aug 07, 2019 | By Edvard Csanyi
Maintenance
Troubleshooting Transformer In Power Substation And Detailed Failure Investigation
Failure of transformer in power substation is not a sudden phenomenon, for that matter each and every failure will take place only after alerting through some pre-signs. If they went unnoticed or unattended will result in failure. Therefore it is… Read more
Nov 06, 2017 | By Edvard Csanyi
Maintenance
How do faults develop in a HV transformer and why condition monitoring is important
Condition monitoring equipment that can be used to extend the life of a transformer or to prevent catastrophic failure could pay for itself many times over. However, condition monitoring does not come free of charge, and tight budgets are to… Read more
Jul 10, 2017 | By Edvard Csanyi
Energy and Power
Lock-out tag-out practice and seven other steps that save lives
Lock-Out / Tag-Out (LOTO) refers to the specific practices and guidelines to safeguard employees from the unexpected start-up, movement, activation, energizing, release of energy, etc of machinery, equipment, plant, systems during service, maintenance or inspection activities. In short: To protect… Read more
Jun 16, 2017 | By Edvard Csanyi
Electric Motor
Recommended maintenance practice for electric motors and generators
Motors are inherently highly reliable, requiring little routine maintenance. This remains true for most duties but may not be so where environmental conditions are aggressive, the starting duty is onerous, or high structural vibration is present. Maintenance practice recommendations for… Read more
May 25, 2017 | By Edvard Csanyi
Datacenters
Never underestimate electrostatic discharge (ESD) while working with data networking equipment
Let’s start with basics you probably already know, but nevertheless. It’s important to explain the basics first. Electrostatic Discharge (or ESD) refers to the transfer of electrostatic charge between bodies at varied voltages that is caused by direct contact or… Read more
Mar 08, 2017 | By Edvard Csanyi
Maintenance
Performing power factor test on dry-type transformer during commissioning
The power factor test is a maintenance test used to determine the insulation system dielectric power loss by measuring the power angle between an applied AC voltage and the resultant current. Power factor is defined as the ratio of the… Read more
Mar 01, 2017 | By Edvard Csanyi
Maintenance
Transformer exterior inspection and tests you MUST perform periodically
Periodic transformer exterior inspection (visual) reveals important condition information. For example, valves positioned incorrectly, plugged radiators, stuck temperature indicator and level gauges, and noisy oil pumps or fans. Oil leaks can often be seen which indicate a potential for oil… Read more
Jan 25, 2017 | By Edvard Csanyi
Industrial Automation
5 good methods to apply for successful PLC troubleshooting
PLC troubleshooting can be conducted through many approaches, with the engineer’s knowledge being a crucial factor in effectively resolving these issues; hence, five methods have been established. When we speak about PLC troubleshooting, maintaining an inventory of replacement components is… Read more
Oct 19, 2016 | By Edvard Csanyi
Maintenance
Should you choose fixed or withdrawable medium voltage switchgear?
How to make the right choice between fixed or withdrawable medium voltage switchgear when selecting a new equipment for power substation? The following evaluation procedure should be conducted: Find out how important the additional aspects are. Weigh up the financial… Read more
Aug 22, 2016 | By Edvard Csanyi
Low Voltage
Few good tips for low voltage switchgear maintenance and care
The low voltage switchgear involves many devices like power circuit breakers, MCBs, aux. relays, CTs, VTs etc. and of course at the end – enclosures (indoor or outdoor type). The frequency of inspection and maintenance of low voltage switchgear should be… Read more
Jul 18, 2016 | By Edvard Csanyi
Electric Motor
Why does electric motor fail and what can you do about it?
As you already know, electric motor is used everywhere in industry and in term of technology – it’s already pretty complex, sometimes making it a challenge to keep it running at peak performance. It’s VERY important to remember that the causes… Read more
Jun 16, 2016 | By Edvard Csanyi
Maintenance
Why Good Care Of Overcurrent Protective Devices Really Matter
Whether in the design or maintenance of an electrical system, hazards exist if the proper overcurrent protective devices are not selected and applied. Circuit breakers and other electrical equipment also must be maintained and serviced regularly to ensure that they will… Read more
May 13, 2016 | By Edvard Csanyi
