SU879501A1 - Device for selective measuring of dc electric circuits insulation resistance - Google Patents
Device for selective measuring of dc electric circuits insulation resistance Download PDFInfo
- Publication number
- SU879501A1 SU879501A1 SU802885433A SU2885433A SU879501A1 SU 879501 A1 SU879501 A1 SU 879501A1 SU 802885433 A SU802885433 A SU 802885433A SU 2885433 A SU2885433 A SU 2885433A SU 879501 A1 SU879501 A1 SU 879501A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- insulation resistance
- electric circuits
- selective measuring
- circuits insulation
- selective
- Prior art date
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
(54) УСТРОЙСТВО ДЛЯ СЕЛЕКТИВНОГО ИЗМЕРЕНИЯ СОПРОТИВЛЕНИЯ ИЗОЛЯЦИИ ЭЛЕКТРИЧЕСКИХ СЕТЕЙ ПОСТОЯННОГО ТОКА(54) DEVICE FOR SELECTIVE MEASUREMENT OF RESISTANCE OF INSULATION OF ELECTRIC CURRENT OF CURRENT CURRENT
Изобретение относитс к электрическим измерени м и может быть использовано дл измерени сопротивлени изол ции в сет х посто нного тока .This invention relates to electrical measurements and can be used to measure insulation resistance in DC networks.
Известно устройство дл контрол сопротивлени изол ции, содержащее специальные дифференциальные трансформаторы , включае1 1е в разрыв питающей сети, и выходной орган tU Недостатком устройства вл етс невозможность контрол сопротивлени изол ции обесточенных сетей и симметричного снижени сопротивлени изол ции.A device for controlling insulation resistance is known, which contains special differential transformers, including 1 1e in the mains supply disconnection, and an output organ tU
Известно также устройство, .содержащее вспомогательный источник посто нного напр жени , коммутатор, управл емый синхронизатор, генератор затухающих коле.баннй, ограничительный резистор, преобразователь тока утечки, индикатор и узкополосный фильтр 12. Недостатком устройства вл етс низка точность измерени .It is also known a device containing an auxiliary source of constant voltage, a switch, a controlled synchronizer, a fading oscillator, a limiting resistor, a leakage current converter, an indicator, and a narrowband filter 12. The disadvantage of the device is low measurement accuracy.
Целью изобретени вл етс повышение точности измерени .The aim of the invention is to improve the measurement accuracy.
Поставленна цель достигаетс тем, что в устройство дл селективного измерени сопротивлени изол ции электрических сетей посто нного тока, содержащее вспомогательный источник посто нного напр жени , The goal is achieved by the fact that a device for selective measurement of the insulation resistance of electrical DC networks, containing an auxiliary source of DC voltage,
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802885433A SU879501A1 (en) | 1980-02-25 | 1980-02-25 | Device for selective measuring of dc electric circuits insulation resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802885433A SU879501A1 (en) | 1980-02-25 | 1980-02-25 | Device for selective measuring of dc electric circuits insulation resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU879501A1 true SU879501A1 (en) | 1981-11-07 |
Family
ID=20879012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802885433A SU879501A1 (en) | 1980-02-25 | 1980-02-25 | Device for selective measuring of dc electric circuits insulation resistance |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU879501A1 (en) |
-
1980
- 1980-02-25 SU SU802885433A patent/SU879501A1/en active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5419123A (en) | Instrument transformer for measuring current or voltage at zero potential | |
| SU879501A1 (en) | Device for selective measuring of dc electric circuits insulation resistance | |
| JPS5319084A (en) | Temperature measuring instrument for electric transformer | |
| GB966443A (en) | Improvements in multi-range hook-on electrical indicating instrument | |
| SU670899A2 (en) | High-voltage measuring method | |
| JPS53116194A (en) | Oil deterioration assessment device | |
| JPS5622964A (en) | Clamp meter | |
| RU2052821C1 (en) | Power loss meter | |
| SU661410A1 (en) | Method of determining transient resistance of discontinuous-type contact couple | |
| JPS5657964A (en) | Insulation tester | |
| SU972264A1 (en) | Device for measuring temperature of dc electrical machine winding | |
| FR2431124A1 (en) | Breathalyser determining alcohol in motorists body - has stabilised electrical power supply and gas detecting resistor | |
| SU470762A1 (en) | Device for measuring resistances and resistance ratios of resistors | |
| SU601638A1 (en) | Arrangement for measuring scattering parameters of transistor | |
| SU864266A1 (en) | Controllable calibrated power stabilizer | |
| GB608189A (en) | Improvements in and relating to multi-range electric measuring instruments | |
| SU828119A1 (en) | Device for measuring resistance to grounding electrode spreading | |
| SU741855A1 (en) | Apparatus for registrating biological tissue electric resistance | |
| SU1647481A1 (en) | Device for reproducing a zero power factor | |
| SU917127A1 (en) | Method of determination of insulation parameters of three-phase electric circuits with isolated neutral voltage above 1000 v | |
| SU999181A2 (en) | Probing device for testing electric parameters of integrated circuits | |
| SU771568A1 (en) | Method of measuring insulation resistance of dc mains relatively to the case (earth) | |
| SU1161897A2 (en) | Device for polarization measurements | |
| SU875270A2 (en) | Contact-free conductometric sensor | |
| SU86192A1 (en) | Electrical Material Research Device |