Does diesel generator need to be grounded? The answer is Yes. Diesel generator must be grounded, because once the leakage of electricity occurs, it will produce a circuit with the earth, seriously affecting the safety of people. The grounding protection of diesel generator is used in the ungrounded neutral system of three-phase power supply. Its function is that once the insulation of electrical equipment is damaged and leakage of electricity occurs, the human body contacts the charged shell. At this time, the human body resistance is far greater than the resistance of the grounding body (40). A large amount of current is discharged into the earth through the metal shell, and the voltage to the ground can be reduced to below the safe voltage of 36V. If we adopt grounding protection , when we touches the shell, due to the parallel connection between our body resistance and the grounding resistance, due to the human body resistance far greater than...
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