(Generator synchroniczny do prób napięciem indukowanym jedno- i Keywords: synchronous generator, induced AC voltage test, power transformer. PRZETWORNICA CZĘSTOTLIWOŚCI 50/i. Generator synchroniczny GAdi. kVA, V, obr/kin, Silnik synchroniczny GAd tj. 6BO kW. W artykule wykazano że generator synchroniczny może być z powodzeniem użyty jako Keywords: distributed generation, synchronous generator, stand- alone.

| Author: | Vugis Gardasida |
| Country: | Syria |
| Language: | English (Spanish) |
| Genre: | Politics |
| Published (Last): | 27 December 2011 |
| Pages: | 204 |
| PDF File Size: | 13.2 Mb |
| ePub File Size: | 10.29 Mb |
| ISBN: | 326-9-48201-510-3 |
| Downloads: | 74980 |
| Price: | Free* [*Free Regsitration Required] |
| Uploader: | Tegrel |
This is done at the expense of the amplitude characteristic slope in the transition band between the pass and stopbands. The waveform of errors calculated according to 2 is shown in Fig.
There are two main groups of these methods: The following other wikis use this file: Application of the stationary DC decay test to industrial turbogenerator model parameter estimation. Wide rage of synhroniczny variants, working position horizontal or verticalexcitation brushless or static systemrotors squirrel-cage or slip-ringbearings, voltage regulators, degrees of protection and methods of cooling.

There is a way to enable word translation from any page: Total number of language pairs: Those waveforms were disturbed with Gaussian noise with zero mean value, thus approximately simulating the real measurement signals. Similar difficulties in determining these parameters are mentioned in [11, 19]. For estimation there was used the least squares method by generatod the following objective function [7, 9]: EUdict European dictionary is a collection of online dictionaries for the languages spoken genreator in Europe.
These harmonics as well as their effect on the magnetic flux are not taken into account in classical mathematical models.
Assessment of the accuracy of synchronous generator model
Decemberpp. Perhaps the best way to enable dictionary search is through integration into the search field of your browser. It should be noted that the stator resistance of high power synchronous generators is small compared to the synchronous resistance. Exemplary waveform of errors resulting from filtration of the stator voltage synchronoczny the d axis Ifd, p.
It is convenient to transform the stator voltages and currents to the Park dq0 coordinate system.
File:Rankine cycle layout PL w gen.png
Afterwards, you simply type the chosen keyword in the address bar to start the search in the chosen dictionary. It was assumed that the generator load was close to the rated one.
Exemplary waveform of the armature? To avoid additional estimation errors caused by the abovementioned disturbance components, the measurement signals should be filtered.
DFME, generators and motors
Possibility of large synchronous generator parameters estimation via on-line field tests using genetic algorithm. Parameter estimation results for the pseudorandom signal Table 2.

Results of electromagnetic parameter estimation The parameter estimation of the generator model in the d and q axes was performed for the waveforms shown in Figs. To add EUdict alongside Google, Yahoo!

Each filter introduces a phase shift unwanted from the point of view of parameter estimation. There are various types of low-pass IIR filters; among others, Butterworth filter, Chebyshev filter, Cauer filter [17]. The parametric Kaiser window window of variable shape was used for filtration.
Should you be interested in starting a co-operation with DFME please contact us – e-mail: The excitation system with the voltage regulator and power system stabilizer and the turbine with its governor influenced these waveforms. Butterworth filters Noisy Filtered Non-noisy 0. Noisy dynamic waveforms caused by introducing a disturbance in the form of a step change in the reference voltage or a pseudorandom signal to the generator voltage regulator system were the basis synchroniczby estimation.
Schematic diagram of the generating unit operating in a single-machine PS The introduced disturbance resulted in changes of the waveforms of: Why not add a EUdict search form to your web site? When analyzing symmetrical transient states of the generator for which the stator star point is non-grounded, there is no zero-sequence component.
To illustrate the differences between the non-noisy waveform and the filtered one, there was introduced a percentage error waveform defined by the formula: The voltages and currents of the stator in the dq0 coordinate system as well as the field voltage and excitation current contain mainly a constant component.
Smaller estimation errors were obtained for the Butterworth filter. If you are searching for a word in the Chinese dictionary and not receiving geherator results, try without Pinyin term in brackets. Although EUdict can’t translate complete sentences, it can translate several words at once if you separate them with spaces or commas.
Heat is added in the boiler by the burning of fuel although heat can be added by any method boiling the fluid to state 3. Using the filtered waveforms of the axial components of the stator and rotor currents and voltages as well as the waveform of the generator rotational speed, one synchronixzny consider only the generator model in the estimation process, while the other elements of the generating unit can be omitted. They do not provide a constant group delay, however it is possible to design a filter with a maximally flat amplitude characteristic in the passband.
I do this in my syncyroniczny time. The large error of stator resistance estimation can be avoided by assuming in the computational model the resistance synchriniczny the catalogue data provided by manufacturers or the resistance determined by the technical method instead of the estimation of this parameter. Structural model of the generating unit in Matlab — Simulink environment 0. This page was last edited on 17 Decemberat Look at the complete list of languages: Finite and infinite impulse response zero-phase digital filters were used for filtering the waveforms.
I am responsible for the concept, design, programming and development.
