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การคํานวณกระแสล ัดวงจร ํ ั (Short Circuit Calculation)

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( short Circuit calculation ). ( short Circuit ) . ** Co ordination **. ( short Circuit ) . ( short Circuit ) . ** Interrupting Rating **. ( short Circuit ) . . . Line to Ground Fault Line to Neutral Fault Line to Line Fault Double Line to Ground Fault Three Phase Fault !! . Line to Ground Fault = 70 %. Line to Line Fault = 15 %. Double Line to Ground Fault = 10 %. Three Phase Fault = 5%. . . . (Panel Board). MDB (Main Distribution Board). . . + . - . - . . - . - ( ) . . . - / . - . . (> 1,000 A) . . . (fuse & Circuit Breaker) . . . . . - . - . . . . - . - . / . - Fuse - Circuit Breaker . 1. . 2. . 3. . 4. . . . . . . (Symmetrical). . (Unsymmetrical). . IEC 60909 2.

ตารางค่าคงที่c (Voltage Factor) ของIEC 60909 พิกัดกระแสล ัดวงจร (MVASC) สามารถหาค่าไดจากระด้ บแรงดั ันของระบบท ี่พิจารณา 1. ระดับแรงด นัไม่เกนิ 24 kV

  Short, Circuit, Calculation, Short circuit calculations, 60909

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