以下用圖片方式表達
RST = Reference, Secondary, Tertiary
RYB = Red, Yellow, Blue
L1 L2 L3 = Line1, Line2, Line3
T1 T2 T3 = Terminal1, Terminal2 Terminal 3
UVW = Motor Lead
XYZ = Motor Coil Name
希望我整理正確
Andrew Choi, My Knowledge Blog
My Notebook
以下用圖片方式表達
RST = Reference, Secondary, Tertiary
RYB = Red, Yellow, Blue
L1 L2 L3 = Line1, Line2, Line3
T1 T2 T3 = Terminal1, Terminal2 Terminal 3
UVW = Motor Lead
XYZ = Motor Coil Name
希望我整理正確
https://assets.nexperia.com/documents/data-sheet/74AHC1G4215.pdf
Bester for 32.768KHz get 1Hz
under voltage
over voltage
reverse voltage
over current
https://www.ti.com/lit/ds/symlink/tps2596.pdf?ts=1618877875762&ref_url=https%253A%252F%252Fwww.google.com.hk%252F
https://www.ti.com/lit/ds/symlink/tps2663.pdf?ts=1618907192809&ref_url=https%253A%252F%252Fwww.ti.com%252Fpower-management%252Fpower-switches%252Fefuse-hotswap-controllers%252Foverview.html
RΔ是Δ形電路的阻抗之和。具體公式如下:
具體公式如下:
惠斯通電橋
惠斯登電橋
惠斯同電橋
電池電壓 – 5Ω電阻電壓 – 2Ω電阻電壓 = 0V
公式1:9 – i₁x 5 -(i₁ + i₃) x 2 = 0
公式2:9 – i₂ x 1 – (i₂ – i₃) x 3 = 0
公式3:9 – i₂ x 1 – i₃ x 2 – (i₁ + i₃) x 2 = 0
公式1:9 – i₁ x 5 -(i₁ + i₃) x 2 = 0
公式2:9 – i₂ x 1 – (i₂ – i₃) x 3 = 0
公式3:9 – i₂ x 1 – i₃ x 2 – (i₁ + i₃) x 2 = 0
化解公式1:9 – 7i₁ – 2i₃ = 0
化解公式2:9 – 4i₂ + 3i₃ = 0
化解公式3:9 – 2i₁ – i₂ -4i₃ = 0
公式1: (9 – 7i₁) = 2i₃
公式2: (4i₂ – 9) = 3i₃
公式3:(9 – 2i₁ – i₂) = 4i₃
(公式1 x 2) – (公式3) = 0
2(9 – 7i₁) – (9 – 2i₁ – i₂) = 0
18 – 14i₁ – 9 + 2i₁ + i₂ = 0
9 – 12i₁ + i₂ = 0
公式4: 12i₁ – 9 = i₂
(公式1 x 3) – (公式2 x 2) = 0
3(9 – 7i₁) – 2(4i₂ – 9) = 0
27 – 21i₁ – 8i₂ + 18 = 0
45 – 21i₁ – 8i₂ = 0
公式5: 45 – 21i₁ = 8i₂
(公式4 x 8) – (公式5) = 0
8(12i₁ – 9) – (45 – 21i₁) = 0
96i₁ – 72 – 45 + 21i₁ = 0
117i₁ – 117 = 0
117i₁ = 117
結果:i₁ = 1A
i₁ = 1A, i₂ = 3A, i₃ = 1A
Kirchhoff’s circuit law 第一定律: Kirchhoff’s current law
即電路中的各個節點的電流總流入和總流出的電流量必須是相同。
流入(I) = 流出(I)
Σ IIN = Σ IOUT
(a) I1 + I4 + I5 = I2 + I3
Source: https://www.youtube.com/watch?v=mH-XUGkNohM
Source: https://www.youtube.com/watch?app=desktop&v=II2nDdt4uX0
在電氣工程中,(被動符號規定 PSC)是電氣工程界普遍採用的用於定義電路中電源符號的符號約定或任意標準規則。
重點:用符號分別元件是「供」還是「得」