TSXDEY16A2施耐德

TSXDEY16A2

TSXDEY16A2

具體來(lái)說(shuō)，在星形接法中，將三個(gè)電源相位中的一個(gè)相位連接到共同點(diǎn)（星點(diǎn)）上，而另外兩個(gè)相位則分別連接到各自的負(fù)載上。因此，星形接法中的電壓是相電壓（即任意兩個(gè)相位之間的電壓），而相電壓大小等于線電壓的根號(hào)3倍。因此，如果線電壓為220V，則相電壓為220V x 根號(hào)3 ≈ 381V。在星形接法中，將相電壓分配給各個(gè)負(fù)載后，每個(gè)負(fù)載的電壓將為相電壓的1/根號(hào)3倍，即約等于220V。

　　需要注意的是，星形接法的電壓大小并不是固定的，它取決于電源的線電壓。在不同的三相電力系統(tǒng)中，線電壓可能會(huì)有所不同，因此星形接法的電壓大小也可能不同。

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