What is the purpose of mechanical interlock?

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[wpremark preset_name=”chat_message_1_my” icon_show=”0″ background_color=”#e0f3ff” padding_right=”30″ padding_left=”30″ border_radius=”30″] [wpremark_icon icon=”quote-left-2-solid” width=”32″ height=”32″] What is the purpose of mechanical and electrical interlock

An interlock device is designed to allow a generator to provide backup power in such a way that it (a) prevents main and generator power to be connected at the same time, and (b) allows circuit breakers to operate normally without interference in the event of an overload condition.
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Mechanical interlocking theory is a macroscopic theory, which can be used to explain intrinsic adhesion, but not on a molecular level. The best example of the use of mechanical interlocking is in dentistry. The cavity is shaped so that the area inside the tooth is larger than the area close to the surface of the tooth.

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The mechanical interlock is assembled between two contactors to prevent them from simultaneously closing and is often used as an added safety feature to electrically interlocked contactors. Even with a mechanical force against the magnetic system, the contacts of both contactors cannot close simultaneously.

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These types of interlocks can be mechanical electrical or logic interlocks a mechanical interlock is an interlock that is physically connected to another device to prevent unintended actions a simple

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Mechanical safety interlock switches couple a moveable guard door with the power source of the hazard. When the guard door is opened, the power is isolated, ensuring that the machine does not pose a hazard while an operator requires access.

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Mechanical interlocking involves key system and the process of changing, opening and closing the circuit is mechanical. Extra manpower is required in switching operation of the circuit. Electrical interlocking is automation in interlocking and switching operation is performed automatically and electrically.

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[wpremark preset_name=”chat_message_1_my” icon_show=”0″ background_color=”#e0f3ff” padding_right=”30″ padding_left=”30″ border_radius=”30″] [wpremark_icon icon=”quote-left-2-solid” width=”32″ height=”32″] Why do we need electrical and mechanical interlock for 3 phase motors

Note that the two contactors must be electrically and mechanically interlocked so that they cannot be energized simultaneously. If both starter coils became energized simultaneously, a short circuit will occur with potentially hazardous results.

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The mechanical interlock is an interference (non-jamming) type, locking at the beginning of the stroke of any starter or contactor. The mechanical interlock is mounted on the underside of the reversing baseplate.

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