SU888264A2 - Electric power generating plant - Google Patents
Electric power generating plant Download PDFInfo
- Publication number
- SU888264A2 SU888264A2 SU802851159A SU2851159A SU888264A2 SU 888264 A2 SU888264 A2 SU 888264A2 SU 802851159 A SU802851159 A SU 802851159A SU 2851159 A SU2851159 A SU 2851159A SU 888264 A2 SU888264 A2 SU 888264A2
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- electric power
- power generating
- generating plant
- transformer
- generator
- Prior art date
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- Control Of Eletrric Generators (AREA)
Description
(54) ЭЛЕКТРИЧЕСКАЯ СТАНЦИЯ(54) ELECTRIC STATION
Изобретение относитс к электротехнике . Известно по основному авт, ев, № 632030 устройство электрической станции, содержащее блок генератортрансформатор со схемой соединени звез да-звезда с заземленной наглухо нейтралью обмоток высшего напр жени и трансформатор собственных нужд со схемой соединени звезда-треуготтьник, причем нулевой вывод трансформатора собственных нужд соединен непосредственно с нулевым выводом обмотки низшего напр жени блочного трансформатора и через реактор с нулевым выводом генератора Ci Недостатком устройства вл етс возможность самопроизвольного смешени нейтрали при использовании на генератор ном напр жении электромагнитного транс форматора напр жени , что может привес ти к повреждени м в блоке генератортрансформатор . Непосредственное заземление нейтрали генератора, обмоток низ- шего напр жени блочного тршнсформатора или нейтрали трансформатора собственных нужд измен ет нормальное распределение вдоль статорных обмоток напр жени третьей гармоники генерируемой генератором, на распределение, характерное при замыкани х на землю. Это исключает использование релейной зашиты по напр жению третьей гармоники дл вы влени замыкани на корпус статора статорных обмоток генератора. Целью изобретени вл етс исключение самопроизвольного смешени нейтрали с сохранением нормального распределени напр жени третьей гармоники. Цель достигаете .тем, что электрическа станци по авт. св. № 63203О дополнительно содержит дугогас щую катушку , один конец которой подключен к средней точке обмотки реактора, а цругой конец присоединен к земле. На чертеже представлена схема электрической станции.The invention relates to electrical engineering. It is known from the main automouse, No. 632030 a power station device containing a generator set of a transformer with a da star circuit with a tightly grounded neutral high voltage windings and an auxiliary transformer with a star-triangle connection, and the auxiliary output of the auxiliary transformer is directly connected with a zero output of the lower voltage winding of a block transformer and through a reactor with a zero output of a generator Ci The disadvantage of the device is the possibility of ceiling elements mixing neutral when used on a generator rated voltage electromagnetic the transformer voltage, which can gain tee to damage in generatortransformator block. Direct earthing of the generator neutral, the low voltage windings of the block transformer or the auxiliary transformer neutral changes the normal distribution of the third harmonic voltage generated by the generator along the stator windings to the distribution characteristic of the ground fault. This eliminates the use of relay protection by the third-harmonic voltage to detect a circuit on the stator housing of the stator windings of the generator. The aim of the invention is to eliminate spontaneous mixing of the neutral while maintaining the normal distribution of the third harmonic voltage. The goal is achieved. The fact that the electric station on the bus. St. No. 63203O additionally contains an arc-quenching coil, one end of which is connected to the middle point of the reactor winding, and the other end is connected to earth. The drawing shows a diagram of an electrical station.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802851159A SU888264A2 (en) | 1980-02-13 | 1980-02-13 | Electric power generating plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802851159A SU888264A2 (en) | 1980-02-13 | 1980-02-13 | Electric power generating plant |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU632030 Addition |
Publications (1)
Publication Number | Publication Date |
---|---|
SU888264A2 true SU888264A2 (en) | 1981-12-07 |
Family
ID=20864239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802851159A SU888264A2 (en) | 1980-02-13 | 1980-02-13 | Electric power generating plant |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU888264A2 (en) |
-
1980
- 1980-02-13 SU SU802851159A patent/SU888264A2/en active
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