The conversation between human and AI assistant.
If single phase power is 220 volts, why is 3 phase 440 volts and not 660?
Can you explain why single phase power is 220 volts and why 3 phase power is 440 volts instead of 660 volts like we might expect?
Sure, I'd be happy to explain that. Single phase power is a type of electrical power transmission that uses a single wire or conductor with an alternating current. The voltage is typically around 220 volts in most countries because this is a safe and effective level for both small and large electrical equipment. However, 3 phase power is a type of electrical power transmission that uses three live wires or conductors with alternating current. The standard voltage for 3 phase power is typically 440 volts because this is a more efficient level for industrial equipment and machinery, which can operate at higher voltages and produce more power than their single phase counterparts.