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Why do you balance single phase loads across a 3-phase supply system?
Wiki User
โ 7y ago
On a Delta 3-phase you connect the single phase loads between pairs of the 3-phases. Warning both sides of these loads will be hot! You may want to use 3 isolation Transformers so that the real loads have a neutral line.
On Y 3-phase you connect the single phase loads between one of the 3-phases and neutral.
In each case to balance the loads, try to put similar loads on each phase (or pair of phases).
Wiki User
โ 7y ago
Wiki User
โ 7y agoToday's three phase systems are three phase four wire systems. The reason to try and balance any single phase load connected to a three phase four wire system is to reduce the current draw on the neutral conductor. The neutral carries the unbalanced load current. The closer that you keep the single phase loads balanced the lower the neutral current becomes. On a perfectly balanced three phase load there is no neutral current.
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