Method for improving closing rebound processing efficiency
A closing bounce and efficiency technology, applied in high-voltage air circuit breakers, high-voltage/high-current switches, electrical components, etc., can solve problems such as excessive test data, and achieve the effect of improving the efficiency of closing bounces
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[0007] The present invention will be further described below.
[0008] A method for improving the closing bounce efficiency of the present invention includes a vacuum circuit breaker, the vacuum circuit breaker contains bolts, and the tightening torque of the bolts is adjusted to adjust the pressure of the contact surface. The adjustment range of the tightening torque of the bolts is 8.8 to 10.8N.m or 17.7~22.6N.m or 31.49~39.2N.m or 51.0~60.8N.m or 78.5~127.4N.m.
[0009] In actual situations, the contact pressure can be adjusted by tightening each contact surface, but specific problems need to be analyzed in detail, especially when the expansion coefficients of the fastening bolts and fasteners are different, excessive tightening increases the contact pressure will also play a role. reaction. For example, if the bolts are tightened too tightly and the contact pressure is too large, the part of the bus bar under the gasket will be compressed, and the cross-section of the bus...
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