SU970139A1 - Device for measuring electric machine winding temperature - Google Patents
Device for measuring electric machine winding temperature Download PDFInfo
- Publication number
- SU970139A1 SU970139A1 SU803001188A SU3001188A SU970139A1 SU 970139 A1 SU970139 A1 SU 970139A1 SU 803001188 A SU803001188 A SU 803001188A SU 3001188 A SU3001188 A SU 3001188A SU 970139 A1 SU970139 A1 SU 970139A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- electric machine
- winding temperature
- measuring electric
- machine winding
- measuring
- Prior art date
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Description
Изобретение относитс к измерительной технике и может быть использовано дл измерени температуры обмоток электрических маьчин в процессе эксплуатации.The invention relates to a measurement technique and can be used to measure the temperature of windings of electric motors during operation.
Известно устройство дл измерени температури обмоток электрических машин, содержащее соединенные после-довательно регулируемый и нерегулируемый резисторы, подключённые параллельно к соединенным последовательно контролируемой обмотке и шунту таким образом, что они образуют мост 1 .A device for measuring the temperature of the windings of electric machines is known, which contains connected successively adjustable and unregulated resistors connected in parallel to the connected in series controlled winding and shunt so that they form a bridge 1.
Недостатком известного устройства вл етс низка точность измерени , обусловленна наличием электромеханической передачи.A disadvantage of the known device is the low measurement accuracy due to the presence of an electromechanical transmission.
Наиболее близкое к предлагаемому устройство дл измерени температуры обмотки электрической машины содержит основной измерительный пост, состо щий из контролируемой обмотки, соединенной смежно с обмоткой первого регулируемого резистора, подключенной к нерегулируемым резисторам моста , в диагональ которого включен нульорган с нагревателем, на котором размещены обмотки регулируемых резисторов , второй из которых включен вClosest to the proposed device for measuring the temperature of the winding of an electric machine contains the main measuring station consisting of a controlled winding connected adjacent to the winding of the first adjustable resistor connected to unregulated bridge resistors, the diagonal of which is connected to the heater with adjustable resistors the second of which is included in
плечо дополнительного моста, содержащего резистор и измерительный прибор 2j.the shoulder of an additional bridge containing a resistor and a measuring device 2j.
Недостатком этого устройства вл етс слаба защищенность измерительного прибора от попадани потенциала контролируе.мой обмотки.The disadvantage of this device is the low security of the measuring device against the potential of the controlled winding.
Цель изобретени - повышение эксплуатационной безопасности устрой10 ства.The purpose of the invention is to increase the operational safety of the device.
Поставленна цель достигаетс тем, что в устройство введен трансформатор , первична обмотка которого, образующа смежные плечи дополнительного моста, соединена с вторым регулируемым резистором и с конденсатором , подключенным параллельно резистору в плече, смежном плечу с регулируемым резистором, причем в диаго20 наль моста включен источник переменного напр жени , к вторичной обмотке трансформатора подключен измерительный прибор, а обмотки регулируемых резисторов размещены на нагревателе бифил рно.The goal is achieved by introducing a transformer into the device, the primary winding of which, forming the adjacent arms of an additional bridge, is connected to the second adjustable resistor and to a capacitor connected parallel to the resistor in the shoulder, adjacent to the shoulder with an adjustable resistor, and a variable source is switched on the diagonal of the bridge voltage, the measuring device is connected to the secondary winding of the transformer, and the windings of adjustable resistors are placed on the heater bifillary.
На фиг. 1 приведена схема устройства , на фиг. 2 - схема нагревател с регулируемыми резисторами.FIG. 1 shows a diagram of the device, FIG. 2 is a heater circuit with adjustable resistors.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU803001188A SU970139A1 (en) | 1980-11-03 | 1980-11-03 | Device for measuring electric machine winding temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU803001188A SU970139A1 (en) | 1980-11-03 | 1980-11-03 | Device for measuring electric machine winding temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU970139A1 true SU970139A1 (en) | 1982-10-30 |
Family
ID=20924912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU803001188A SU970139A1 (en) | 1980-11-03 | 1980-11-03 | Device for measuring electric machine winding temperature |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU970139A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827679A (en) * | 2019-03-11 | 2019-05-31 | 山东理工大学 | Distribution transformer winding temperature rise on-line monitoring system and on-line monitoring method |
-
1980
- 1980-11-03 SU SU803001188A patent/SU970139A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827679A (en) * | 2019-03-11 | 2019-05-31 | 山东理工大学 | Distribution transformer winding temperature rise on-line monitoring system and on-line monitoring method |
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