DAFTAR RUMUS
P = Volt x Amper x Cos φ..……………………………………………(2.1)
S = V. I . (untuk daya semu listrik 1 fasa)………………..(2.2)
S = V. I .√3 (rumus daya semu listrik 3 fasa)……………….(2.3)
Q = V.I.Sin φ (rumus daya reaktif 1 fasa)…………………….(2.4)
Q = V.I.√3. Sin φ (rumus daya reaktif 3 fasa)…………………….(2.5)
P = V. I . Cos φ (rumus daya aktif 1 fasa)………………………(2.6)
P = V. I .√3. Cos φ (rumus daya aktif 3 fasa)..……………………..(2.7)
S = √P2 + Q2…………………………………………………………...(2.8)
S = P / Cos φ...…………………………………………………………(2.9)
S = Q / Sin φ.…………………………………………………………(2.10)
Faktor Daya = Daya Aktif (P) / Daya Semu (S)..……………………(2.11)
Tan φ = Daya Reaktif (Q) / Daya Aktif(P)………………………….(2.12)
Q = P x (Tan φ1 - Tan φ2)……………………………………………(2.13)
Rugi-rugi daya aktif : P = I2.R (watt)………………………………(2.14)
Rugi-rugi energy : E = I2.Rt ………………………………….....(2.15)
Jatuh tegangan : V = I (R + JX) (volt)……………………….(2.16)
Cos φ2 = P/ P2 + Q22………………………………………………….(2.17)
Cos φ2 = P / P2 + Q22…………………………………………………(2.18)
Q = P (Tan Ө1 – Tan Ө2)……………………………………………...(2.19)
C = Q/(2.√3.π.f.V)2 ………………………………………………..(2.20)
P = Volt x Amper x Cos φ..……………………………………………(2.1)
S = V. I . (untuk daya semu listrik 1 fasa)………………..(2.2)
S = V. I .√3 (rumus daya semu listrik 3 fasa)……………….(2.3)
Q = V.I.Sin φ (rumus daya reaktif 1 fasa)…………………….(2.4)
Q = V.I.√3. Sin φ (rumus daya reaktif 3 fasa)…………………….(2.5)
P = V. I . Cos φ (rumus daya aktif 1 fasa)………………………(2.6)
P = V. I .√3. Cos φ (rumus daya aktif 3 fasa)..……………………..(2.7)
S = √P2 + Q2…………………………………………………………...(2.8)
S = P / Cos φ...…………………………………………………………(2.9)
S = Q / Sin φ.…………………………………………………………(2.10)
Faktor Daya = Daya Aktif (P) / Daya Semu (S)..……………………(2.11)
Tan φ = Daya Reaktif (Q) / Daya Aktif(P)………………………….(2.12)
Q = P x (Tan φ1 - Tan φ2)……………………………………………(2.13)
Rugi-rugi daya aktif : P = I2.R (watt)………………………………(2.14)
Rugi-rugi energy : E = I2.Rt ………………………………….....(2.15)
Jatuh tegangan : V = I (R + JX) (volt)……………………….(2.16)
Cos φ2 = P/ P2 + Q22………………………………………………….(2.17)
Cos φ2 = P / P2 + Q22…………………………………………………(2.18)
Q = P (Tan Ө1 – Tan Ө2)……………………………………………...(2.19)
C = Q/(2.√3.π.f.V)2 ………………………………………………..(2.20)