The current-time characteristic of a fuse cannot always be correlated with that of the protective device.įuses are used for the protection of the cables in low voltages light, and power circuits and for transformers of rating not exceeding 200 KVA, in the primary distribution system.
Considerable time is required in replacing a fuse after the operation. Its inverse time-current characteristic enables its use for overload protection. It does not require any drawing skills, and even a green hand can get started easily. It is a brilliant and powerful infographics maker with thousands of pre-made infographics examples and symbols for editing and dragging. #ADVANTAGE AND DISADVANTAGE OF VIOLET UML EDITOR PROFESSIONAL#
The smaller sizes of fuse element impose a current limiting effect under short-circuit conditions. All the above disadvantages of infographics can be avoided if choosing a professional infographics maker - EdrawInfo. Its operation is completely automatic and requires less time as compared to circuit breakers. It is the cheapest form of protection, and it does need any maintenance. The main function of the fuse of the element is to allow the normal current to flows through the fuse and break the circuit when the high magnitude current passes through it. The fuse element is made of the highly selected metal conductor. The fuse protects the machine or apparatus from short circuit or overload current. Thereby, the element becomes melts and break. The short circuit current generates excessive heat in the fuse element. Earlier there was just a national channel which would. The magnitude of the current is much high as compared to the normal current. Films or movies, we all have been watching them since the advent of cinema and television in our lives. When the fault occurs the short circuit current passes through the fuse element. Thus, the temperature of the fuse is kept below the melting point. The heat develops in the fuse element because of the normal current and this heat is dissipated by the help of the surrounding air. In normal operating condition, the normal current passes through the fuse. 
The working of the fuse depends on the heating effect of the current. In some places, their use is restricted to those applications where their performance characteristics are especially suitable for the current interruption. It is used for overload or short circuit protection in high voltage up to 66 KV and low voltage up to 400 kV.
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