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Added final coil configuration + cut off frequency calculation

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This commit is contained in:
Joschka Schöner 2022-02-23 14:45:46 +01:00
parent 894c27ee12
commit 80aec59c32
4 changed files with 115 additions and 32 deletions
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50
Coil_geometry/New intermediate pair of coils/00_First tests.py
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@ -15,39 +15,53 @@ def mu_it(x_pos):
return it
Wires = [[0.45, 0.514],[0.475, 0.543],[0.5, 0.568]]
Wire_1 = [0.5, 0.546]
scale = 10
#I_current = 0.94
HH_Coil = BC.BCoil(HH = 1, distance = 80, radius = 80, layers = 8, windings = 9, wire_height = Wire_1[0],
HH_Coil = BC.BCoil(HH = 1, distance = 80, radius = 80, layers = 8, windings = 8, wire_height = Wire_1[0],
wire_width = Wire_1[0], insulation_thickness=(Wire_1[1] - Wire_1[0]) / 2, is_round = True,
winding_scheme= 2)
HH_Coil.set_R_inner(83.3)
HH_Coil.set_R_inner(83.3-5)
HH_Coil.set_d_min(70.6 + 4)
print(HH_Coil.get_wire_length())
HH_Coil.print_info()
HH_Coil.print_basic_info()
I = 0.67
# HH_Coil.B_quick_plot(I,nr_points=scale)
# HH_Coil.B_curv_quick_plot(I,nr_points = scale)
I = 0.75
HH_Coil.B_quick_plot(I)
HH_Coil.B_curv_quick_plot(I)
HH_Coil.cooling(I,23)
AHH_Coil = BC.BCoil(HH = -1, distance = 80, radius = 80, layers = 10, windings = 16, wire_height = Wire_1[0],
wire_width = Wire_1[0], insulation_thickness=(Wire_1[1] - Wire_1[0]) / 2, is_round = True,
print(" ")
HH_Coil.max_field(I)
print("\n")
AHH_Coil = BC.BCoil(HH = -1, distance = 80, radius = 80, layers = 10, windings = 10, wire_height = 1.18,
wire_width = 1.18, insulation_thickness=0.06, is_round = True,
winding_scheme= 2)
print(AHH_Coil.get_wire_length())
print(HH_Coil.get_R_inner()*1e3)
AHH_Coil.set_R_inner(HH_Coil.get_R_inner()*1e3)
AHH_Coil.set_R_inner(HH_Coil.get_R_inner()*1e3+1)
AHH_Coil.set_d_min(HH_Coil.get_zmax()*2 * 1e3 + 4)
AHH_Coil.print_info()
# Position 2
# AHH_Coil.set_R_inner(62)
# AHH_Coil.set_d_min(116)
#
# print(f"wire length = {AHH_Coil.get_wire_length()} m")
I = 2
AHH_Coil.B_quick_plot(I)
AHH_Coil.B_grad_quick_plot(I, nr_points = 200)
# AHH_Coil.print_info()
AHH_Coil.print_basic_info()
I = 1
#print(f"current I = {I} A")
AHH_Coil.cooling(I,23)
print("")
AHH_Coil.max_gradient(I)
# AHH_Coil.B_quick_plot(I)
# AHH_Coil.B_grad_quick_plot(I, nr_points = 200)
#AHH_Coil.B_curv_quick_plot(I, nr_points = scale)
AHH_Coil.cooling(I,23)
HH_Coil.print_info()
AHH_Coil.print_info()

24
FINAL_Coil/FINAL_COIL_configuration.py Normal file
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@ -0,0 +1,24 @@
import matplotlib.pyplot as plt
import numpy as np
import matplotlib
#matplotlib.use('Qt5Agg')
from src import coil_class as BC
HH_Coil = BC.BCoil(HH = 1, distance = 54, radius = 48, layers = 8, windings = 8, wire_height = 0.5,
wire_width = 0.5, insulation_thickness = (0.546-0.5)/2, is_round = True,
winding_scheme= 2)
HH_Coil.set_R_inner(45.6)
HH_Coil.set_d_min(2*24.075)
HH_Coil.print_info()
AHH_Coil = BC.BCoil(HH = -1, distance = 54, radius = 48, layers = HH_Coil.get_layers, windings=2 * HH_Coil.get_windings,
wire_height = 0.5, wire_width=0.5, insulation_thickness=(0.546-0.5)/2,
is_round = True, winding_scheme= 2)
AHH_Coil.set_R_inner(45.6)
AHH_Coil.set_d_min(HH_Coil.get_zmax()*2 * 1e3 + 4)
AHH_Coil.print_info()
R = HH_Coil.resistance(25)

42
src/coil_class.py
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@ -293,19 +293,32 @@ class BCoil:
# print(f"{self.get_zmin()}")
# print(self.__name__)
print(
f"HH = {self.HH}, Distance = {self.distance * 1e3} mm, z_min = {self.get_zmin() * 1e3} mm, z_max = {self.get_zmax() * 1e3} mm")
f"HH = {self.HH}, Distance = {self.distance * 1e3} mm, z_min = {self.get_zmin() * 1e3:.3f} mm, z_max = {self.get_zmax() * 1e3:.3f} mm")
print(
f"Radius = {self.radius * 1e3} mm, Radius_inner = {self.get_R_inner() * 1e3} mm, Radius_outer = {self.get_R_outer() * 1e3:.2f} mm")
f"Radius = {self.radius * 1e3:.3f} mm, Radius_inner = {self.get_R_inner() * 1e3:.3f} mm, Radius_outer = {self.get_R_outer() * 1e3:.3f} mm")
print(
f"Coil width = {self.get_coil_width() * 1e3} mm, Coil height = {self.get_coil_height() * 1e3} mm"
f"Coil width = {self.get_coil_width() * 1e3:.3f} mm, Coil height = {self.get_coil_height() * 1e3:.3f} mm"
)
print(
f"layers = {self.layers}, windings = {self.windings}, wire_width = {self.wire_width * 1e3}, wire_height = {self.wire_height * 1e3} mm, round wire = {self.is_round} ")
f"layers = {self.layers}, windings = {self.windings}, wire_width = {self.wire_width * 1e3:.3f}, wire_height = {self.wire_height * 1e3:.3f} mm, round wire = {self.is_round} ")
print(" ")
def print_basic_info(self):
if self.HH == 1:
print("Offset coil:")
else:
print("Gradient coil:")
print(
f"HH = {self.HH}, Distance = {self.distance * 1e3} mm, Radius = {self.radius * 1e3} mm,layers = {self.layers}, windings = {self.windings}, round wire = {self.is_round}")
f" layers = {self.layers}, windings = {self.windings} \n "
f" wire: core = {self.wire_height * 1e3:.2f} mm, tot = {self.get_tot_wire_height() * 1e3:.2f} mm, total length for pair = {2 * self.get_wire_length():.0f} m"
)
print(
f" Distance = {self.distance * 1e3:.2f} mm, Radius = {self.radius * 1e3:.2f} mm"
)
print(
f" Coil width = {self.get_coil_width() * 1e3:.2f} mm, Coil height = {self.get_coil_height() * 1e3:.2f} mm"
)
print("")
def B_field_ideal_z(self, I_current, z_arg):
"""
@ -473,6 +486,7 @@ class BCoil:
B_z_0 += BCoil.__B_z_loop(I_current, r_pos, z_pos, 0, 0) + BCoil.__B_z_loop(self.HH * I_current, r_pos,
-z_pos, 0, 0)
print(f" Max Field = {B_z_0:.2f} G")
return B_z_0
def max_gradient(self, i_current, raster = 7):
@ -481,9 +495,9 @@ class BCoil:
bz_grad = BCoil.grad(Bz, z)
bx_grad = BCoil.grad(Bx, x)
print(f"Max z Gradient = {bz_grad[len(z)//2]} G/cm")
print(f"Max x Gradient = {bx_grad[len(x)//2]} G/cm")
#return bx_grad[len(x)//2]
print(f" Max z Gradient = {bz_grad[len(z)//2]:.2f} G/cm")
print(f" Max x Gradient = {bx_grad[len(x)//2]:.2f} G/cm")
# return bx_grad[len(x)//2]
@ -657,7 +671,6 @@ class BCoil:
plt.title("Gradient of B-field")
plt.ylabel(r"B-field [G/cm]")
plt.xlabel("x-axis / z-axis [mm]")
plt.title("Winding scheme AHH-coil")
plt.legend()
plt.show()
@ -735,11 +748,12 @@ class BCoil:
Voltage = self.resistance(T) * I_current
print("")
#print("")
print("Cooling:")
print(f" current density = {j_dens} A/mm^2")
print(f" Power = {Power} W")
print(f" U = {Voltage} V")
print(f" Current I = {I_current} A")
print(f" current density = {j_dens:.2f} A/mm^2")
print(f" Power = {Power:.2f} W")
print(f" U = {Voltage:.2f} V")
def power(self, I_current, T):
"""
@ -753,7 +767,7 @@ class BCoil:
def induct_perry(self):
"""
Calculates inductance of rectangular coil via empirical formular by perry
Calculates inductance of one rectangular coil via empirical formular by perry
"""
L = 4 * np.pi * (self.windings * self.layers) ** 2 * (1e2 * self.radius) ** 2 / (

31
time_response/02_frequency_response.py Normal file
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@ -0,0 +1,31 @@
import matplotlib.pyplot as plt
import numpy as np
import matplotlib
#matplotlib.use('Qt5Agg')
from src import coil_class as BC
HH_Coil = BC.BCoil(HH = 1, distance = 54, radius = 48, layers = 8, windings = 8, wire_height = 0.5,
wire_width = 0.5, insulation_thickness = (0.546-0.5)/2, is_round = True,
winding_scheme= 2)
HH_Coil.set_R_inner(45.6)
HH_Coil.set_d_min(2*24.075)
HH_Coil.print_info()
AHH_Coil = BC.BCoil(HH = -1, distance = 54, radius = 48, layers = HH_Coil.get_layers, windings=2 * HH_Coil.get_windings,
wire_height = 0.5, wire_width=0.5, insulation_thickness=(0.546-0.5)/2,
is_round = True, winding_scheme= 2)
AHH_Coil.set_R_inner(45.6)
AHH_Coil.set_d_min(HH_Coil.get_zmax()*2 * 1e3 + 4)
AHH_Coil.print_info()
R = HH_Coil.resistance(22)
L = HH_Coil.induct_perry()
f = R/(2*np.pi*L)
print(f"resistance = {R} Ohm")
print(f"L = {L}")
print(f"cutoff frequency: f = {f} Hz")