E38 绝缘油 标准查询与下载
共找到 308 条与 绝缘油 相关的标准，共 21 页
The principle of the method specified is pouring the insulating liquid into the test cell, increasing a power-frequency a.c. voltage at a constant rate, monitoring the appearance of discharges by an appropriate partial discharges measuring device, record
Insulating liquids; determination of the partial discharge inception voltage (PDIV); test procedure
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1993-10
- 实施
The principle of the method is holding a glass-fibre tape impregnated with the insulating liquid in a horizontal position and igniting it at one end of the impregnated length under draught-free conditions, measuring the time for the flame to travel betwe
Insulating liquids; linear flame propagation; test method using a glass-fibre tape
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1993-09
- 实施
Specifies test methods for the analysis of 2-furfural and related furan compounds resulting from the degradation of cellulosic insulation and found in mineral insulating oil samples taken from electrical equipment. The compounds are analysed by high perf
Mineral insulating oils; methods for the determination of 2-furfural and related compounds
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1993-09
- 实施
Describes three test methods using same apparatus, both uninhibited and inhibited.
Unused hydrocarbon-based insulating liquids - Test methods for evaluating the oxidation stability
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1993-07-15
- 实施
- 1993-07-15
Testing methods of electrical insulating oils
- ICS
- 29.035.40
- CCS
- E38
- 发布
- 1993-07-01
- 实施
- 1993-07-01
Describes method for assessing the changes in activity of pour point depressant additives.
Method for evaluating the low temperature flow properties of mineral insulating oils after ageing
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1993-05-15
- 实施
- 1993-05-15
The principle of the measuring method is placing a small quantity of a liquid sample in a borosilicate glass cup in a test chimney containing an upwardly flowing mixture of oxygen and nitrogen, then ignited. The minimum concentration of oxygen that will
Test method for the determination of oxygen index of insulating liquids
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992-12
- 实施
Insulating liquids; specifications for unused liquids based on synthetic aromatic hydrocarbons
- ICS
- CCS
- E38
- 发布
- 1992-11
- 实施
Mineral insulating oils; methods for the determination of 2-furfural and related compounds
- ICS
- CCS
- E38
- 发布
- 1992-10
- 实施
Specifications and test methods for unused mineral insulating oils, as delivered, intended for use in cables with oil ducts.
Specification for unused insulating mineral oils for cables with oil ducts
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992-04-01
- 实施
- 1992-04-01
Method for evaluating the low temperature flow properties of mineral insulating oils after ageing (IEC 1065:1991)
- ICS
- CCS
- E38
- 发布
- 1992-04
- 实施
Test method for the determination of oxygen index of insulating liquids
- ICS
- CCS
- E38
- 发布
- 1992-03
- 实施
Methods of measurement for the value of dielectric loss tangent of electrical oil
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992-01-01
- 实施
- 1992-05-20
Methods of measurement for the refractive index and specific dispersion of electrical insulating fluid
- ICS
- 29.040.01
- CCS
- E38
- 发布
- 1992
- 实施
Methods of measurement for the oxidation stability of transformer oil
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992
- 实施
Method of measurement for the moisture content of insulating oil ((Karl Fisher method)
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992
- 实施
- 1992-05-20
Methods of measurement for the volatile and water-soluble acid in the early stage of transformer oil oxidation
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992
- 实施
Methods of measurement for the average molecular weight of mineral insulating oil (depression of freezing point)
- ICS
- 29.040.10
- CCS
- E38
- 发布
- 1992
- 实施
- 1992-05-20
