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Sheptun Natasha

Faculty: Physics - and - metallurgical faculty

Speciality:Thermal power stations.

Theme of Master's Thesis :"Researching the dynamic characteristics of systems elements of control and methods for their improvemen."

Leader of work: Doctor of Technical Science professor A.Markin

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Email:Sheptun4ik@mail.ru

Abstrakt

Introduction.

The most important problems of power station is connected with the loss of energy and increasing of equipment reliability. They are the consequence of temperature regulate and control.

Purposes and problem

The purpose of this work is research of dynamic characteristic of the control facility of the elements of heat process control system.

My works in this theme

In my work I consider transient operation. These are starting and stop of the turbine. Control of heat condition of the shell gains special importance at not stationary state of operation. During my learning in university I printed the papers, which pertains to the theme of master’s work and my specialty.

For the day of the science I offered the paper: «Control of the heat condition of the turbine. The transient operation of the turbine K-200-130".

The Sensor of the checking the temperature steam and metal are chromium – nickel or chromium - cupell of the thermocouple. As secondary checking-measuring devise are used electronic potentiometers, electronic bridges and others. Significant interest presents the measurement not absolute value of the temperature, but differences of these temperatures.

Create the methods of the direct checking of differences of the temperature is associated with determined difficulty, first of all it is sensitivity of chromium - cupell thermocouples in broad range of the temperature is not a constant value.

Millivoltmetr intended for work with thermocouple. The millivoltmetr readings depend not only on characteristic of the thermocouple, but also on resistances all area measuring circuit: thermocouples, connecting wire.

In work is considered also way of the measurement not stationary. Te is concluded in measurement of the temperature difference sensitive elements, speed of the change the temperature and calculations of the value of not stationary heat flow.

On VI International Conference of under and post student "Rational use of natural resource and protection of environments. I has presented the article: "Heat pollution of water objects (the cooling) by circulation water of power station, connected problems and ways of solving". On VII international conference on ecologies it presented paper "Recuperation of heat surge on the district power station".

In these articles heat pollution water of objects is considered, applicable for cooling circulation by water HES. The worded offers on water using, it is offered ways of decision of given problems with provision for specifics of water using and ecological safety of the sources of the water-supply.

To prevent the heat pollution the general river us taking circulation water from running WO from water-uses, the temperature of the water must correspond to the temperature norm.

For reduction of the water temperature in river it is possible to use the heat pump, which converts low-potential water Energy in to energy of the higher potential. The heat pump is a compact heating installation, which serves for autonomous heating and hot buildings supply. The difference of the heat pump from the other generator of the heat energy is concluded with the production of the heat before 80% energy is extracted from surrounding environment.

Scientific novelty

Method of HPS control is not exact. I’ll offer the ways of solving this problem.

Practical meaning

To investigate more practical and exact method of control.

The result of research

Currently my work isn’t complete and results will be later.

Conclusion

Full text of my Masters Thesis isn’t complete, that why I don’t make its presentation.


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