Vacuum circuit breaker in its mechanical properties

Typically, vacuum circuit breakers at the factory when debugging, for its mechanical properties, such as opening distance, stroke, stroke touching, three-phase period, open and close time, speed and so were power transformers debugging and randomly with debug logging. Generally live only in the use of the three-phase period, open and close slightly adjust the speed and closing bounce pass later, and put into operation with a condition.
(1) Three-phase period adjustments: For testing, sub-gate open away from the largest difference between a phase, such as early or late closing of the pole, the pole of the open distance slightly larger or tone tone dots, only need to put the adjustable pole insulated rod screwed union or spin out a half circle, usually adjustable so that together, opening up a different period of less than 1mm, the ideal period to obtain optimum parameter values.
(2) closing and opening Voltage stabilizer: closing and opening speed subject to many factors, and in the use of the site is only part of the adjustable opening spring and the contact trip. Opening spring circuit breakers of the closing and opening a direct impact on the speed and the contact trip (mean contact pressure spring compression), only the opening speed have a major impact. If the closing speed is low due to the high opening speed, you can slightly increase the contact trip, or opening spring tension a little can; otherwise loosen some of the. If the closing speed is more appropriate, while opening speed is low, you can adjust it increases the total travel 0.1 ~ 0.2mm, this time the contact trip levels were increased about 0.1 ~ 0.2mm. Its opening speed will rise; otherwise opening speed is too high, they can be in contact trip transfer small 0.1 ~ 0.2mm, opening speed will be reduced. Upon completion of the three-phase period and closing and opening speed adjustment, remember to re-opening of each pole and the contact distance measuring stroke correction and shall comply with the relevant provisions of the vacuum circuit breaker.