Updated conductor_size and conductor_ampacity, ready for merge
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Jeff
parent
eb05de266a
commit
211a11a2f9
1 changed files with 41 additions and 186 deletions
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@ -222,12 +222,11 @@ def conductor_size(current, temp = 75, material = 'cu', code = 'CEC', raceway =
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return print(load_type + " is not a valid load_type.")
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if temp == 90:
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conductor_current_index = 3
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column = '90C'
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elif temp == 75:
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conductor_current_index = 2
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column = '75C'
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else:
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conductor_current_index = 1
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column = '60C'
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'''
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Per CEC rules 26-256 and 28-106 Transformer and Motor conductors should be sized 125% of the rated current.
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@ -236,156 +235,18 @@ def conductor_size(current, temp = 75, material = 'cu', code = 'CEC', raceway =
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if load_type in list_125:
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current = 1.25 * current
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# Seclect the proper table
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if (code == 'CEC'):
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import Tables.CEC21Tables
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if (material == 'CU') & (raceway == False):
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table = table1
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df = pd.DataFrame(cec21tables.table1, columns=['size', '60C', '75C', '90C'])
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elif (material == 'CU') & (raceway == True):
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table = table3
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df = pd.DataFrame(cec21tables.table3, columns=['size', '60C', '75C', '90C'])
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# Determine the ampacity of the max conductor size
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# select the correct code table
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if (code == 'CEC'): # CEC Table 1
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table1" WHERE "size" = ? ', (max,))
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max_conductor_current = cur.fetchone()
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max_current = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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current_lookup = current_for_lookup(current,max_current)
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current = current_lookup[0]
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num_parallel = current_lookup[1]
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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if temp == 90:
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cur.execute('SELECT size FROM "Table1" WHERE "90" > ? ', (current,))
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elif temp ==75:
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cur.execute('SELECT size FROM "Table1" WHERE "75" > ? ', (current,))
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else:
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cur.execute('SELECT size FROM "Table1" WHERE "60" > ? ', (current,))
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conductor_size = cur.fetchone()[0]
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#print(conductor_size)
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except sqlite3.OperationalError as e:
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print(e)
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elif (code == 'CEC') & (material == 'CU') & (raceway == True): # CEC Table 2
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table2" WHERE "size" = ? ', (max,))
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max_conductor_current = cur.fetchone()
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max_current = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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current_lookup = current_for_lookup(current,max_current)
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current = current_lookup[0]
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num_parallel = current_lookup[1]
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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if temp == 90:
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cur.execute('SELECT size FROM "Table2" WHERE "90" > ? ', (current,))
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elif temp ==75:
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cur.execute('SELECT size FROM "Table2" WHERE "75" > ? ', (current,))
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else:
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cur.execute('SELECT size FROM "Table2" WHERE "60" > ? ', (current,))
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conductor_size = cur.fetchone()[0]
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#print(conductor_size)
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except sqlite3.OperationalError as e:
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print(e)
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elif (code =='CEC') & (material =='AL') & (raceway == False): # CEC Table 3
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table3" WHERE "size" = ? ', (max,))
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max_conductor_current = cur.fetchone()
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max_current = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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current_lookup = current_for_lookup(current,max_current)
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current = current_lookup[0]
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num_parallel = current_lookup[1]
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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if temp == 90:
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cur.execute('SELECT size FROM "Table3" WHERE "90" > ? ', (current,))
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elif temp ==75:
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cur.execute('SELECT size FROM "Table3" WHERE "75" > ? ', (current,))
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else:
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cur.execute('SELECT size FROM "Table3" WHERE "60" > ? ', (current,))
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conductor_size = cur.fetchone()[0]
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#print(conductor_size)
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except sqlite3.OperationalError as e:
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print(e)
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elif (code =='CEC') & (material =='AL') & (raceway == True): # CEC Table 4
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table4" WHERE "size" = ? ', (max,))
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max_conductor_current = cur.fetchone()
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max_current = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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current_lookup = current_for_lookup(current,max_current)
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current = current_lookup[0]
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num_parallel = current_lookup[1]
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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if temp == 90:
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cur.execute('SELECT size FROM "Table4" WHERE "90" > ? ', (current,))
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elif temp ==75:
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cur.execute('SELECT size FROM "Table4" WHERE "75" > ? ', (current,))
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else:
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cur.execute('SELECT size FROM "Table4" WHERE "60" > ? ', (current,))
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conductor_size = str(cur.fetchone()[0])
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#print(conductor_size)
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except sqlite3.OperationalError as e:
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print(e)
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elif (code =='NEC') & (material =='CU'):
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return (' I haven\'t created this table yet')
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elif (code =='NEC') & (material =='AL'):
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@ -393,6 +254,30 @@ def conductor_size(current, temp = 75, material = 'cu', code = 'CEC', raceway =
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else:
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return ('The variables were\'t right, but I\'m a loss to why.')
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'''
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Using the correct table, calculate the number of parallel runs needed with the maximum conductor size,
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and the resulting wire size.
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'''
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# Determine the ampacity of the max conductor size
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max_df = df.loc[df['size'] == max_wire,column]
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max_current = max_df.item()
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#print(max_current)
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# The current that we will need to
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current_lookup = current_for_lookup(current,max_current)
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current = current_lookup[0]
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num_parallel = current_lookup[1]
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# Calculate the absolute difference for all values and find the index of the minimum difference
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sectioned_df = df.loc[df[column] >= current,column]
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closest_index = sectioned_df.idxmin()
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# Retrieve the nearest value using the found index
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conductor_size = df['size'].iloc[closest_index]
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return [conductor_size,num_parallel]
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def conductor_ampacity(conductor, temp = 75, material = 'cu', code = 'CEC', raceway = True, ambient = 30):
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@ -413,55 +298,20 @@ def conductor_ampacity(conductor, temp = 75, material = 'cu', code = 'CEC', race
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]
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if temp == 90:
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conductor_current_index = 3
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column = '90C'
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elif temp == 75:
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conductor_current_index = 2
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column = '75C'
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else:
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conductor_current_index = 1
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column = '60C'
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if (code == 'CEC') & (material == 'CU') & (raceway == False): # CEC Table 1
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table1" WHERE "size" = ? ', (conductor,))
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max_conductor_current = cur.fetchone()
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conductor_ampacity = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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df = pd.DataFrame(cec21tables.table1, columns=['size', '60C', '75C', '90C'])
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elif (code == 'CEC') & (material == 'CU') & (raceway == True): # CEC Table 2
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table2" WHERE "size" = ? ', (conductor,))
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max_conductor_current = cur.fetchone()
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conductor_ampacity = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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df = pd.DataFrame(cec21tables.table2, columns=['size', '60C', '75C', '90C'])
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elif (code =='CEC') & (material =='AL') & (raceway == False): # CEC Table 3
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table3" WHERE "size" = ? ', (conductor,))
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max_conductor_current = cur.fetchone()
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conductor_ampacity = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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elif (code =='CEC') & (material =='AL') & (raceway == True): # CEC Table 4
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try:
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with sqlite3.connect("jepl-cec21.db") as con:
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cur = con.cursor()
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cur.execute('SELECT * FROM "Table4" WHERE "size" = ? ', (conductor,))
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max_conductor_current = cur.fetchone()
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conductor_ampacity = max_conductor_current[conductor_current_index]
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except sqlite3.OperationalError as e:
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print(e)
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df = pd.DataFrame(cec21tables.table3, columns=['size', '60C', '75C', '90C'])
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elif (code =='NEC') & (material =='CU'):
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return (' I haven\'t created this table yet')
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@ -470,6 +320,11 @@ def conductor_ampacity(conductor, temp = 75, material = 'cu', code = 'CEC', race
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else:
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return ('The variables were\'t right, but I\'m a loss to why.')
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# Determine the ampacity of the conductor size
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result_df = df.loc[df['size'] == conductor,column]
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conductor_ampacity = result_df.item()
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#print(conductor_ampacity)
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return conductor_ampacity
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def bonding_conductor(conductor_ampacity,bus=False,material='cu',code = 'CEC'):
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