Complete test: visual inspection, nameplate parameter check, insulation resistance, power frequency withstand voltage, DC resistance, transformation ratio, capacity, empty, load di
May 25, 2022
Insulating oil, also known as transformer oil, is a synthetic liquid insulating material, which is a kind of product of petroleum. Its main components are alkanes, naphthenic satur
May 24, 2022
May 23, 2022
When a voltage is applied to the medium between the electrodes, the discharge that occurs locally within the medium is called partial discharge. Product Range Live running equipmen
May 21, 2022
The voltage levels in China are basically 220V, 380V, 10kV, 24kV, 35kV, 110kV, 220kV, 500kV, 800kV, and 1000kV. Voltage levels are generally divided: 1: safe voltage (usually below
May 19, 2022
1. Select an electroscope with a suitable voltage level according to the rated voltage required by the electrical equipment and lines. 2. The electroscope should be wiped with a cl
May 18, 2022
a. Temperature and humidity General resistance of the material with the increase of temperature and humidity decreases. In contrast, the surface resistance (rate) is sensitive to e
May 17, 2022
1. Cleaning method of oil cup (1) Wipe the electrode surface and electrode rod repeatedly with clean silk; (2) Adjust the electrode gap with standard gauges; (3) Clean it with petr
May 14, 2022
1. Name: solidification point 2. Summary of the method: Put the sample in a prescribed test tube and cool it to the expected temperature. Tilt the test tube to 45° from the horizon
May 13, 2022
1. Name: Pour Point 2. Method summary: After the sample is cooled, check the fluidity of the sample every 3°C, and record the lowest temperature at which the sample can flow as the
May 12, 2022
1. Name:cloud point Under specified conditions,maximum temperature at which clear and transparent liquid petroleum products,biodiesel and biodiesel blend fuels first appear foggy o
May 11, 2022
Through a series of advanced testing methods, the oil testing laboratory analyzes the intrinsic quality and physical and chemical properties of oil products (including lubricating
May 10, 2022
