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 appreciated that breakdown of plant may result in costly interruption… Read more
Jul 08, 2015 | By Edvard Csanyi
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 are directly related to the reliability and performance of the… Read more
May 04, 2015 | By Edvard Csanyi
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, the arcing at the arcing switch or arcing tap switch… Read more
Mar 25, 2015 | By Edvard Csanyi
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 system and the plant’s distribution system, as well as all… Read more
Nov 24, 2014 | By Edvard Csanyi
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 time; Fewer failures with unexpected outages; Timely detection of any… Read more
Oct 24, 2014 | By Edvard Csanyi
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 than maintenance Conclusion System components, such as circuit breakers, transformers,… 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 previous part 4 of article. The new industry may also take… Read more
Sep 12, 2014 | By Ashok Parikh
Energy and Power
Maintenance Management Of Electrical Equipment (Condition Monitoring Based) – 4
Read previous parts of this serie – Part 1, Part 2 and Part 3 After deciding to go for the implementation of CDM based on evaluation of various factors discussed in foregoing points and other factors, if any, as per the company policy,… Read more
Sep 05, 2014 | By Ashok Parikh
Energy and Power
Maintenance Management Of Electrical Equipment (Condition Monitoring Based) – 2
Continued from the first part of this technical article… Read it here. The concept of “Predictive Maintenance Management (PDM)” is not new. PDM program is the maintenance program drawn out for the electrical equipment based on regular monitoring of the… Read more
Aug 27, 2014 | By Ashok Parikh
Energy and Power
Maintenance Management Of Electrical Equipment (Condition Monitoring Based)
In today’s competitive market scenario, all types of industries are under tremendous pressure to cut down their maintenance costs, as they form a significant portion of the operation costs. The industries are forced to look for different types of maintenance… Read more
Aug 25, 2014 | By Ashok Parikh
Maintenance
Maintenance and inspection of the transformer bushings
There are six different inspections to be performed on the bushings of the power transformer: Routine inspection Regular inspection (Once every two years) Inspection due to excessive partial heatings Local damages inspection (fissures) on the bushings Inspection for oil leaks… Read more
Aug 01, 2014 | By Edvard Csanyi
Energy and Power
Electrical Preventive Maintenance of Air Circuit Breakers
Remove and clean interphase barriers. Clean all insulating materials with vacuum and/or clean lint free rags. If it is necessary to use cleaning solvents, use only solvents recommended by the manufacturer. Inspect for (early) signs of corona, tracking, arcing, or… Read more
Feb 07, 2014 | By Edvard Csanyi
Testing and Commissioning
Condition Monitoring of Transformers
It is possible to provide transformers with measuring devices to detect early signs of degradation in various components and provide warning to the operator in order to avoid a lengthy and expensive outage due to failure. The technique, which can… Read more
May 24, 2013 | By Edvard Csanyi
Industrial Automation
How to Select Right Frequency Converter for Variable Speed Drive (VSD)?
Selecting of a frequency converter for variable speed drives requires a lot of experience. If the experience is not available, it is often useful to visit either a reference plant with similar applications, or exhibitions or trade shows. The following is a… Read more
Nov 17, 2012 | By Edvard Csanyi
Power Substation
Designing of HV Power Substation and Layout
Introduction Earthing and Bonding Substation Earthing Calculation Methodology (Earthing Materials) Layout of Substation Different Layouts for Substations (single busbar, mesh, 1 1/2 cb) Principle of Substation Layouts (spatial separation, maintenance zones) Components of a Substation (cbs, cts, isolators, insulation, transformers etc.) Substations are the… Read more
Oct 01, 2012 | By sprabakar22
