
Why can't the miniature circuit breakers be used in the reactive power capacitor compensation cabinet?
- Categories:Industry News
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- Origin:
- Time of issue:2021-05-20
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(Summary description)The reactive power low voltage capacitor compensation cabinet is installed on the outlet side of the transformer. In the event that any of branch circuit of the in reactive power low voltage capacito
Why can't the miniature circuit breakers be used in the reactive power capacitor compensation cabinet?
(Summary description)The reactive power low voltage capacitor compensation cabinet is installed on the outlet side of the transformer. In the event that any of branch circuit of the in reactive power low voltage capacito
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-05-20 14:30
- Views:

|
Fuse |
Miniature circuit breaker |
Operating principle |
The metal conductor is used as the fuse element and mounted in series in the circuit. When the overload or short circuit current passes through the fuse element, it will become melted because of its own heating, thus disconnecting an electrical appliance in the circuit. The short circuit breaking current is completely determined by the physics characteristics and is an electrical equipment with physical characteristic. |
It is composed of the operating mechanism, the contact, the protective device (all kinds of releases), the arc extinguishing system and so on, it has the mechanical characteristics. When the circuit is short circuited or seriously overloaded, the armatures of the overcurrent release are actuated, so that the free tripping mechanism acts and the main contacts shut down the main circuit. When the circuit is overloaded, the thermal element of the thermal release device causes the bimetallic sheet to bend and actuates the free trip mechanism. When the circuit is under voltage, the armatures of the undervoltage release are released. |
Overload and short circuit breaking capacity |
The breaking capacity is as high as 100KA. |
The breaking capacity covers the range of 6~10KA |
Breaking (response) time |
Ampere-second characteristics: The action of the fuse element is realized by the melting of the melt element. When the current is large, the time required for the fuse element to melt is very short. |
It is an electrical equipment with mechanical characteristic , its breaking time is long, its response is not timely, and it has the mechanical fatigue characteristics. |

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