Ground Module
BEST Grounding Module
Performance and characteristics of BEST grounding module:
The low-resistance grounding module is a non-metallic material-based grounding body composed of non-metallic minerals with good conductivity and chemical stability, metal ground rods, electrolytes and humectants.
Ground Moduleperformance and characteristics
The main material of the grounding module is similar to the physical structure of the soil, and can be integrated with the soil, so that the effective contact area between the grounding body and the soil is increased by many times compared with that between the traditional metal grounding body and soil, which has increased the flow area of the grounding body itself and greatly reduced contact resistance of the grounding body to the soil.
The grounding module has strong moisture absorption and moisturizing ability, ensuring that the grounding module can effectively play the conductive function. At the same time, the conductive characteristics of the grounding body are not affected by the weather changes such as dry humidity, high and low humidity. Therefore, it can provide a stable low grounding resistance.
The non-metallic material in the grounding module forms a low-resistance region with a gentle change between the metal and the soil with a large difference in electrical resistivity. When encountering a large current surge, the potential gradient of the grounding body and the grounding wire can be lowered to lower the step voltage and the contact voltage so as to reduce the probability of counterattack of the ground potential.
The main material of the grounding module is similar to the physical structure of the soil, and can be integrated with the soil, so that the effective contact area between the grounding body and the soil is increased by many times compared with that between the traditional metal grounding body and soil, which has increased the flow area of the grounding body itself and greatly reduced contact resistance of the grounding body to the soil.
Compared with the traditional metal grounding device, the construction work is greatly reduced.
Ground module use range:
Ground Module usage method:
Precautions；
Usage calculation
According to the soil resistivity of the grounding network soil layer, the amount of HD-GO grounding module is calculated by the following formula; horizontal embedding, single module grounding resistance: total grounding resistance after parallel connection.
In the formula
ρ- soil resistivity (Ω.m)
a and b- length and width of the grounding module (m)
Rj- single module grounding resistance (Ω)
Rnj- total grounding resistance (Ω)
n- number of grounding modules
η- module adjustment factor, generally 0.6 -0.9
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