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Ground Plate – A Simple Safety Feature

The main difference between a conventional electrical ignition system and an induction system is the power input. In a normal system, the circuit starts with a conventional circuit breaker and the power is initially supplied by a variable voltage generator. As the power input increases (due to the increase in the voltage supplied by the power generator) so does the speed of the rotor turning. As more electricity is generated by the rotor, the speed of the turning contact increases until there is a limit where the rotor cannot move any faster. This limit is the ground plate. The plate ground keeps constant conductivity and temperature due to its position above the generating source.

The Plate Acts As a Magnetic Field and Induces Resistance

The induction system is similar but the power input comes from a coil (either a permanent magnetizing one or a temporary one) and is induced into the loop as it spins. When the oil is hot, as it rises to the apex of the induction shaft, the induction loop current is induced into the lower conductors of the alternating current generator and flows through the coils to the other alternating contacts. The power that flows through the plate acts as a magnetic field and induces resistance. As the plate cools, the induced current slows down and the plate is gradually drawn into the earth’s crust.

When the power line trips and the overload current is routed to the earth’s plate, it causes the plate to be drawn into the earth. The plate then heats up and contracts. This action causes a temporary magnetic field that causes a current that travels between the earth and the induction coil. The induction coil is now turned on and the current continues along its path through the coil to the ground plate. In an electrical system this is where the power is transformed into electrical energy. The induction plate in a ground fault current system provides the pathway for this power and allows for power outage even during a complete power failure.