What is the TN-S System?
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China
What is the TN-S System?
TN-S System definition
A system with a neutral point directly grounded for special protection of the neutral line.
TN-C-S system Advantages
Offers a low-impedance path for fault currents, ensuring quick activation of protective devices.
Avoids any potential difference between neutral and earth within the consumer’s premises.
Reduces the risk of electromagnetic interference due to common mode currents.
TN-S system Disadvantages
Requires a separate protective conductor (PE) along with the supply conductors, which increases the cost and complexity of wiring.
May be affected by corrosion or damage to the metallic sheath or armor of the service cable, which can compromise its effectiveness.
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