• Ngắn mạch 3 pha tức là 3 pha chập

• Ngắn mạch 3 pha tức là 3 pha chập nhau , kí hiệu N(3)
• Ngắn mạch 2 pha tức là 2 pha chập nhau , kí hiệu N(2)
• Ngắn mạch 1 pha tức là 1 pha chạm đất hoặc chạm dây trung tính, kí hiệu N(1)
• Ngắn mạch 2 pha nối đất tức là 2 pha chập nhau đồng thời chập đất, kí hiệu N(2,2).

Kết quả (Anh) 1:

• Short-circuit 3 phase 3 phase short circuit, i.e. the symbol N (3)• Short circuit 2 mixed phase short circuit 2, i.e. the symbol N (2)• Short circuit 1 phase 1 phase i.e. hits the ground or touch the neutral wire, N (1)• Short circuit 2 ground connection phase 2 phase short circuit each other i.e. a short circuit to Earth at the same time, the symbol N (2.2).

Kết quả (Anh) 2:

• Short Circuit 3-phase 3-phase overlapping ie, denoted N (3)
• Short Circuit 2 phase 2 ie overlapping phases, denoted N (2)
• Short circuit 1 phase 1 phase ie touch the ground or touch wires neutral, denoted N (1)
• Short circuit 2-phase 2-phase grounding short ie short and land together, denoted N (2,2).

Kết quả (Anh) 3:

Three methods of three methods of short pulse is the symbol of each other (3).The short circuit method is the two identical symbol (2) in the two phase.Is not a short pulse phase method or touch the ground neutral line, (1) symbol.The short circuit is not connected to the ground two 2 cooking method is in the shutter at the same time, the symbol N (2,2).