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Learn how to operate an unknown energized low voltage switchgear (practical experience)
Switchgear is an integral part of the electrical protection system, which is used for isolating the faulty parts as well as de-energizing the downstream equipment during maintenance or any other…...
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Apr 19, 2021 | By Bishal Lamichhane
Maintenance
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… Read more
Aug 07, 2019 | By Edvard
High Voltage
Inspection and maintenance of capacitor banks (recommended practices)
Capacitor banks generally require very little maintenance because they are static type of equipment, but don’t be fooled by this statement. Capacitors are well known for their dangerous reaction when… Read more
Feb 13, 2019 | By Edvard
Power Substation
Important Factors In Design Of Distribution Substations
Distribution substation design must be a combination of reliability and quality of the power supply, safety, economics, maintainability, simplicity of operation, and functionality. Safety of life and preservation of property… Read more
Dec 20, 2017 | By Edvard
Protection
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 information provided by the devices as well as the integrated… Read more
Jan 16, 2017 | By Edvard
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… Read more
Aug 22, 2016 | By Edvard
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… Read more
May 13, 2016 | By Edvard
Low Voltage
Guidelines To Inspection Of Molded Case Circuit Breakers (MCCB)
The need for inspection of molded case breakers (MCCB) will vary depending on operating conditions. Suggested inspection and testing is defined in ANSI/NEMA AB 4, Guidelines for Inspection and Preventive… Read more
Jan 08, 2016 | By Edvard
Energy Efficiency
Maintenance of electrical equipment in buildings
Apart from safety, maintenance is needed to keep plant in an acceptable condition. Maintenance of this kind must be reviewed on an economic and energy efficiency basis. While it is… Read more
Jul 08, 2015 | By Edvard
Maintenance
Maintenance and testing of overcurrent protective devices
When designing electrical distribution systems, required maintenance and testing of the overcurrent protective devices is a very important consideration. The electrical system reliability, component and circuit protection, and overall safety… Read more
May 04, 2015 | By Edvard
Maintenance
Maintenance of transformer load tap changers (LTC)
LTC maintenance is the basis for the regulating transformer’s high level of reliability. The background for maintenance recommendations is as follows: Oil: For LTCs where oil is used for arc-quenching,… Read more
Mar 25, 2015 | By Edvard
Energy and Power
What are the consequences of high harmonic distortion levels?
Just as high blood pressure can create stress and serious problems in the human body, high levels of harmonic distortion can create stress and resultant problems for the utility’s distribution… Read more
Nov 24, 2014 | By Edvard
Low Voltage
Guidelines to maintenance of low voltage switchboard
A well-executed maintenance program can provide the following benefits: Longer life of switchboard and fewer replacements; Reduced time on repairs and overhauls, and the option of scheduling them at an opportune… Read more
Oct 24, 2014 | By Edvard
Energy and Power
Maintenance Management Of Electrical Equipment (Condition Monitoring Based) – 6
Read previous parts of this serie – Part 1 | Part 2 | Part 3 | Part 4 and Part 5 Proper Use of Predictive Technologies Merits and Demerits of CDM program Advantages Disadvantages CDM is more… Read more
Sep 24, 2014 | By Ashok Parikh
Energy and Power
Maintenance Management Of Electrical Equipment (Condition Monitoring Based) – 5
In case of new industry, it would be easy to implement Condition Monitoring based Maintenance Management (CDM) as apart of respective equipment or system itself after evaluating various factors discussed in… Read more
Sep 12, 2014 | By Ashok Parikh
