calcul des puissances de ligne
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22d5ce1c88
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01ba4fa13b
1 changed files with 49 additions and 5 deletions
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@ -14,7 +14,7 @@ def connect_Y(x, y, Ys, Yp, Y):
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Y[x, x] += Ys + Yp
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Y[y, y] += Ys + Yp
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def spec(n, Y, Vn):
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def system_matrix(n, Y, Vn):
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S = np.zeros((n, n))
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for i in range(n):
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for k in range(n):
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@ -25,6 +25,35 @@ def spec(n, Y, Vn):
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S[i, k] *= Vn**2 * Y[i, k]
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return S
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def line_coor(n):
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tab = []
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i = 0
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k = 1
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while i < n:
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while k < n:
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tab += [[i, k]]
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k += 1
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i += 1
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k = i + 1
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return tab
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print(line_coor(4))
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def line_matrix(Y):
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n = len(Y)
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t = line_coor(n)
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lS = np.zeros((len(t), n))
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for i in range(len(t)):
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e = t[i]
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y = - Y[e[0], e[1]]
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lS[i, e[0]] = y
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lS[i, e[1]] = - y
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return lS
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def delta_select(i, S):
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S = np.delete(S, (i), axis=0)
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S = np.delete(S, (i), axis=1)
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@ -39,6 +68,9 @@ def complete_data(P, delta, i):
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nP = np.array(P[:i].tolist() + [-np.sum(P)] + P[i:].tolist())
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return ndelta, nP
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# Vn
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Vn = 2e5
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# Vecteur des puissances
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P = np.array([1000, -500, -250, -250])
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P = P * 1e6 # Passage en MW
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@ -53,13 +85,13 @@ connect_Y(3, 0, 0.05, 0, Y)
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print("Admittance matrix :", Y)
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# Mise en place du système linéaire à résoudre
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S = spec(4, Y, 2e5) # dim n
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S = system_matrix(4, Y, Vn) # dim n
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S = delta_select(3, S) # dim n-1, sélection de l'angle de transport de référence (delta_3)
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print("System matrix :", S)
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# Sélection des puissances (dimension n-1)
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P = power_select(3, P)
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print("Puissances de référence : ", P)
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print("Power input : ", P)
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# Résolution (dimension n-1)
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invS = np.linalg.inv(S)
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@ -70,5 +102,17 @@ delta = np.dot(invS, P)
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# Ajout de l'angle de transport d'origine et de la puissance associée (on repasse en dim n)
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ndelta, nP = complete_data(P, delta, 3)
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print("Power input :", nP)
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print("Delta (rad) :", ndelta * 180 / 3.1415)
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print("Power :", nP)
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print("Delta (rad) :", ndelta * 180 / 3.1415)
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# Calcul de la matrice de ligne
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lS = line_matrix(Y)
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print("Line matrix : ", lS)
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# Calcul des puissances de lignes
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line_power = Vn**2 * np.dot(lS, ndelta)
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lcoor = line_coor(len(ndelta))
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disp_line = []
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for i in range(len(line_power)):
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disp_line += [lcoor[i] + [line_power[i]]]
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print("Line power : ", disp_line)
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