Preventive and regular maintenance, Electrical Engineering

Preventive and Regular Maintenance

Preventive and regular manages of components of the distributions system is necessary to reduce/eliminate breakdowns. Care should be taken to optimize preventive maintenance, since each shutdown due to preventive maintenance is also a source of revenue loss.

Preventive maintenance could be minimized through careful design and healthy installation practices. The following activities should be undertaken for preventive manages:

  • Maintenance of overhead lines that needs removing/trimming of trees along a sufficiently huge right-of-way to prevent their possibly damaging the line. The creepers and bird nests should also be removed.
  • Repairing of broken or damaged cross-arms, conductors, insulators, and supports should be completed on a regular basis.
  • Bending or leaning of poles should be corrected and stays should be tightened.
  • Transformer oil testing for moisture level, sludge and BDV. Further a periodic gas chromatography will help to identifying incipient/developing faults in a transformer.
  • Improved bushings: High creepage distance bushings along with 50% protected creepage could serve as a better solution. Having multiple connections at the bushing is a damaging installation practice causing higher outages.
  • Monitoring a temperature of the transformer tank: In case the tank is hot, the transformer should be de-energized and tested.
  • Rewinding of transformer: This always leads to higher no-load and operative losses. Higher losses after rewinding should not be permitted.
  • Protective devices such as switches, circuit breakers, relays, fuse and lightning arrestors, and etc. should be used to protect the distribution system and temptation to bypass it must be avoided.
  • A neutral of the transformer should be solidly grounded to avoid neutral shifting and to permit the zero sequence currents to be earthed.

 

Maintenance planning and schedule creation helps to reducing the interruption of supply because of breakdown and ensuring the whole health of the distribution system.

Posted Date: 2/6/2013 6:19:35 AM | Location : United States







Related Discussions:- Preventive and regular maintenance, Assignment Help, Ask Question on Preventive and regular maintenance, Get Answer, Expert's Help, Preventive and regular maintenance Discussions

Write discussion on Preventive and regular maintenance
Your posts are moderated
Related Questions
#The requirement is as follows- There is a signal which is in the range of 0 to 5Hz. This signal frequency composition is to determined. The resolution of the determination is 1Hz.

A 100-kW, 230-V shunt generator has R a = 0.05  and R f = 57.5 . If the generator operates at rated voltage, calculate the induced voltage at (a) full load, and (b) one-half fu

Ac power has significant practical advantages over dc power in generation, transmission, and distribution. One major drawback of the single-phase circuit is the oscillatory nature

Figure shows the cross-section of an electrostatic problem with translational symmetry: a rectangular coaxial cable. The inner conductor is held at 10 volts and the outer conductor

principal and working of analog Storage Oscilloscope

Key Performance Indicators in Business Significance of Key Performance Indicators (KPIs) in the business of power especially within a change environment due to partial deregul

Switching Characteristics Switching  characteristics are also know  as dynamic or transient characteristics these  characteristics give  the information  about the  time  varia

Determine the response of a series R-C circuit to a SQUARE wave. Explain how the time constant affects the waveform observed across the components. Illustrate your answer by means

What is the difference between a zinc-blend and Si diamond lattice structure?

RST Restart Instructions Restart instructions  are one byte call instructions. Called location for each restart instruction is  predefined on page 0 ( read only memory). They