SU464819A1 - Device for measuring changes in rotational speed of a generator set - Google Patents
Device for measuring changes in rotational speed of a generator setInfo
- Publication number
- SU464819A1 SU464819A1 SU1879944A SU1879944A SU464819A1 SU 464819 A1 SU464819 A1 SU 464819A1 SU 1879944 A SU1879944 A SU 1879944A SU 1879944 A SU1879944 A SU 1879944A SU 464819 A1 SU464819 A1 SU 464819A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- generator
- rotational speed
- generator set
- measuring changes
- measuring
- Prior art date
Links
Landscapes
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Eletrric Generators (AREA)
Description
1one
Изобретение относитс к электроэнергетике и может быть использовано, например, при испытани х турбогенераторов и их систем регулировани .The invention relates to power engineering and can be used, for example, in testing turbine generators and their control systems.
Известны следующие технические устройства , основанные на использовании:The following technical devices are known based on use:
1)тахогенераторов, включенных по компенсационной схеме и механически св занных с ротором генераторной установки;1) tachogenerators connected in accordance with a compensation circuit and mechanically connected with the rotor of the generator set;
2)сельсина, включенного на разность частот испытуемого генератора и энергосистемы; при этом вращение вала сельсина преобразуетс в электрические сигпалы, частота которых пр мо пропорциональна изменению скорости вращени ;2) selsyn included in the frequency difference between the tested generator and the power system; in this case, the rotation of the selsyn shaft is converted into electrical sigals, whose frequency is directly proportional to the change in the rotation speed;
3)устройства дл измерени изменени скорости вращени генераторной установки, содержащего синхронный трехфазный электродвигатель , питаемый от генератора, и измерительный прибор.3) devices for measuring the change in rotational speed of a generator set comprising a synchronous three-phase electric motor powered by a generator and a measuring device.
Однако устройства с компенсированным тахогенератором характеризуютс трудностью получени хорошей центровки с ротором и св занными с этим остановами генераторной установки перед и после окончани испытаний дл сн ти тахогенератора.However, devices with a compensated tachogenerator are characterized by the difficulty of obtaining a good centering with the rotor and the associated generator set shutdowns before and after testing to remove the tachogenerator.
Устройства с сельсинами и с синхронным электродвигателем сложны и имеют значительные габариты и вес.Devices with selsyns and with a synchronous motor are complex and have considerable dimensions and weight.
Целью изобретени вл етс упрощение устройства.The aim of the invention is to simplify the device.
Дл этого оно снабжено компенсированным генератором посто нного тока, ротор которого жестко св зан с корем синхронного двигател , а измерительный прибор подключен к выводам компенсированного генератора.To do this, it is equipped with a compensated DC generator, the rotor of which is rigidly connected to the synchronous motor core, and the measuring device is connected to the terminals of the compensated generator.
Устройство дл измерени изменени скорости вращени генераторной установки содержит выключатель 1 генератора 2, соединенных с трансформатором напр жени 3 генератора 2, который подключен к промежуточному трансформатору 4. Ротор 6 синхронного электродвигател с посто нными магнитами сидит на общем валу 7 с корем 6 генератора посто нного тока. jRC-фильтр содержит резистор 9 и конденсатор 10. Кроме того, устройство содержит щлейф И осциллографа, резистор 12. включенный в цепь шлейфа 11 осциллографа, переменный резистор 13, включенный в цепь шунтовой обмотки генератора посто нного тока , шунтовую обмотку 14 генератора посто нного тока, вольтметр 15, предназначенный дли визуального отсчета изменени числа оборотов , нагрузочный резистор 16 ста билизированного выпр мител питани 11 компенсационной схемы, стабилизированный выпр митель 18 питани шунтовой обмотки генератора посто нного тока.A device for measuring the change in the rotational speed of the generator set comprises a switch 1 of the generator 2 connected to a voltage transformer 3 of the generator 2, which is connected to an intermediate transformer 4. The rotor 6 of a permanent magnet synchronous electric motor sits on a common shaft 7 with a cortex 6 of a direct current generator . The jRC filter contains a resistor 9 and a capacitor 10. In addition, the device contains a loop AND oscilloscope, resistor 12. included in the loop 11 circuit of the oscilloscope, variable resistor 13 connected to the shunt winding of the direct current generator, shunt winding of the direct current generator , voltmeter 15, intended for the length of a visual reading of the change in the number of revolutions, the load resistor 16 of the stabilized rectifier power supply 11 of the compensation circuit, the stabilized rectifier 18 of the shunt winding of the constant generator time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1879944A SU464819A1 (en) | 1973-01-23 | 1973-01-23 | Device for measuring changes in rotational speed of a generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1879944A SU464819A1 (en) | 1973-01-23 | 1973-01-23 | Device for measuring changes in rotational speed of a generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU464819A1 true SU464819A1 (en) | 1975-03-25 |
Family
ID=20541572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1879944A SU464819A1 (en) | 1973-01-23 | 1973-01-23 | Device for measuring changes in rotational speed of a generator set |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU464819A1 (en) |
-
1973
- 1973-01-23 SU SU1879944A patent/SU464819A1/en active
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