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The operating conditions of the system
Altitude: ≤ 2000 meters
Ambient temperature: -10 ° C ~ +45 ° C
Relative humidity: <90% (-10-40 °C)
Maximum daily temperature difference: 30 ° C
Atmospheric pressure: 0.1MPa
Atmospheric humidity: 11g/m3
Earthquake intensity: ≤8 class
Use environment: indoor
Capacitor divider (also as a coupling capacitor)
Rated frequency: 50hz-200hz
Cooling mode: onan
Stage: 2
Single capacitance: 1000pf, single resistance: 500M
Rated capacitance: 500pf rated electrical resistance: 1000M
Rated AC voltage: 500kV rated DC voltage: 500kV
Nominal AC partial voltage ratio: 2000 / 1 nominal DC partial voltage ratio: 10000 / 1
Running time: long time
The Dielectric loss: ＜ 0.2% AC / DC voltage divider picture
Temperature coefficient: ＜ 0.0004
Overvoltage capacity: the overvoltage shall not cause any insulation damage of the test transformer under the condition of 110% uh for 60s;
Measurement accuracy AC: ＜± 1% measurement accuracy DC: ＜± 0.5%
Running time: long
Top pressure equalizing cover structure: the pressure equalizing cover is made of high-quality LY2 pure aluminum plate, and the welding process adopts sub arc welding machine to ensure that aluminum oxidation does not occur when placed in the air for a long time. Its radius of curvature contains 550kV power frequency voltage, and corona does not occur on the pressure equalizing cover. In particular, the parts arranged above require hot-dip galvanizing after metal processing to prevent iron oxidation in the air, Over a long period of time, the above components will be oxidized, resulting in corona discharge.
Volume: φ250/φ850×2600㎜
Weight: ＜ 250kg
