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8 // 2011



ISSN: 2074-9651
26-10/09

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Retrofit: economic solution of urgent problems

Under conditions of unstable funding of measures on modernization of energy facilities, large number of switchgear and control gear of previous years production, in general, able to work, but completed with outdated switching devices, having completely expired resource or one that is close to expiration are in operation.

GENERAL ELECTRIC

New high performance eelctrical station by company GE

GENERAL ELECTRIC

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Modern methods of regeneration of transformer oil

Reliability of power supply to various customers and cost effectiveness of work of electrical equipment is largely determined by the correct choice of type and
capacity of transformers, as well as competent and proper exploitation.

The role of protective devices in improvement of reliability of operation of electric motors

Anticorrosion protection of power transmission lines support

Protection from corrosion of expensive metal poles of power transmission lines is particularly important in power-engineering.. The article tells about one of the most quality ways of protection of power transmission lines poles.

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Search of ground in the system of automatic DC in current conditions

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Diagnostics of on-load tap changers for control of the state of power transformers

Actual organizational and technical tasks and problems of regional power-engineering are considered. Implemented innovations are presented by the example of activity of Engineering Center of Chuvash region. Important meaning of introdiagnostics of on-load tap changers for control of the state of power transformers is noted.

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Diagnostics of power transformers on site

Inspections and tests during operation of lighting at the factories

Basic rules of operation of electric motors

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Optimization of charge of generators of own power stations at jsc MMK

An article considers obtaining of the optimal value of electrical energy purchased by industrial enterprise with own sources of electrical energy and optimal values of generators power taking into account active power losses in network. Algorithm based on the method of dynamic programming and algorithm that takes into account losses, based on the method of coordinate-wise descent are described. Results of calculation for JSC MMK are presented.

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Energy saving during operation of automated equipment

Modern automation means and systems based on them allow you to implement a variety of technical solutions to optimize process parameters according to various criterions. Industry-wide tasks of this kind are solved based on the experience of enterprises working in particular sector of economy.

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Fire-resistant cables: special silicones retain insulating properties, even in case of fire

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The complexity of the basic prices for the work repair of power equipment, adequate conditions of functioning of a competitive market services to repair and re-equipment




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