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converter_gld_dss.py
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converter_gld_dss.py
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"""
"""
import re
import glob
import os
import math
import sys
SQRT3 = math.sqrt(3.0)
def parse_impedance(str):
toks = re.split('[\+\-j]',str)
toks = [t for t in toks if t]
r = float(toks[0])
x = float(toks[1])
if str.startswith('-'):
r *= -1.0
if '-' in str[2:]:
x *= -1.0
# print (str, toks, r, x)
return r, x
def parse_kvar(str):
toks = str.split()
val = float(toks[0])
if len(toks) > 1:
if 'MVAr' in toks[1]:
val *= 1000.0
else:
val /= 1000.0
return val
def parse_gmr_ft(str):
toks = str.split()
val = float(toks[0])
if len(toks) > 1:
if 'in' in toks[1]:
val /= 12.0
else:
val *= 1.0
return val
def parse_dist_ft(str):
toks = str.split()
val = float(toks[0])
if len(toks) > 1:
if 'in' in toks[1]:
val /= 12.0
else:
val *= 1.0
return val
def get_phnum(phstr):
'''Convert a GLD phase letter to a DSS phase number'''
if phstr == 'A' or phstr == 'AN':
return '1'
if phstr == 'B' or phstr == 'BN':
return '2'
if phstr == 'C' or phstr == 'CN':
return '3'
print('WARNING: "'+phstr+'" not recognized as a single phase.')
return None
def get_phsfx(phstr):
'''Build the OpenDSS bus suffix from the GridLAB-D phase field'''
phsfx = ''
if 'A' in phstr:
phsfx += '.1'
if 'B' in phstr:
phsfx += '.2'
if 'C' in phstr:
phsfx += '.3'
return phsfx
def count_ph(phstr):
'''Count the number of phases from the GridLAB-D phase field'''
count = 0
if 'A' in phstr:
count += 1
if 'B' in phstr:
count += 1
if 'C' in phstr:
count += 1
return count
def obj(parent,model,line,itr,oidh,octr):
'''
Store an object in the model structure
Inputs:
parent: name of parent object (used for nested object defs)
model: dictionary model structure
line: glm line containing the object definition
itr: iterator over the list of lines
oidh: hash of object id's to object names
octr: object counter
'''
octr += 1
# Identify the object type
m = re.search('object ([^:{\s]+)[:{\s]',line,re.IGNORECASE)
type = m.group(1)
# If the object has an id number, store it
n = re.search('object ([^:]+:[^{\s]+)',line,re.IGNORECASE)
if n:
oid = n.group(1)
line = next(itr)
# Collect parameters
oend = 0
oname = None
params = {}
if parent is not None:
params['parent'] = parent
# print('nested '+type)
while not oend:
m = re.match('\s*(\S+) ([^;{]+)[;{]',line)
if m:
# found a parameter
param = m.group(1)
val = m.group(2)
intobj = 0
if param == 'name':
oname = val
elif param == 'object':
# found a nested object
intobj += 1
if oname is None:
print('ERROR: nested object defined before parent name')
quit()
line,octr = obj(oname,model,line,itr,oidh,octr)
elif re.match('object',val):
# found an inline object
intobj += 1
line,octr = obj(None,model,line,itr,oidh,octr)
params[param] = 'OBJECT_'+str(octr)
else:
params[param] = val
if re.search('}',line):
if intobj:
intobj -= 1
line = next(itr)
else:
oend = 1
else:
line = next(itr)
# If undefined, use a default name
if oname is None:
oname = 'OBJECT_'+str(octr)
oidh[oname] = oname
# Hash an object identifier to the object name
if n:
oidh[oid] = oname
# Add the object to the model
if type not in model:
# New object type
model[type] = {}
model[type][oname] = {}
for param in params:
model[type][oname][param] = params[param]
# Return the
return line,octr
def process_one_model(inf, modeldir, dotfile, vbase_str, circuit_name):
toks = vbase_str.split(',')
srcekv = float(toks[0])
print ('voltage bases are {:s} and source voltage is {:.2f} for {:s}'.format (vbase_str, srcekv, circuit_name))
#-----------------------
# Pull Model Into Memory
#-----------------------
lines = []
line = inf.readline()
while line is not '':
while re.match('\s*//',line) or re.match('\s+$',line):
# skip comments and white space
line = inf.readline()
lines.append(line)
line = inf.readline()
inf.close()
#--------------------------
# Build the model structure
#--------------------------
octr = 0;
model = {}
h = {} # OID hash
clock = {}
modules = {}
classes = {}
directives = []
itr = iter(lines)
for line in itr:
# Look for objects
if re.search('object',line):
line,octr = obj(None,model,line,itr,h,octr)
# Look for # directives
if re.match('#\s?\w',line):
directives.append(line)
# Look for the clock
m_clock = re.match('clock\s*([;{])',line,re.IGNORECASE)
if (m_clock):
# Clock found: look for parameters
if m_clock.group(1) == '{':
# multi-line clock definition
oend = 0
while not oend:
line = next(itr)
m_param = re.search('(\w+)\s+([^;\n]+)',line)
if m_param:
# Parameter found
clock[m_param.group(1)]=m_param.group(2)
if re.search('}',line):
# End of the clock definition
oend = 1
# Look for module definitions
m_mtype = re.search('module\s+(\w+)\s*([;{])',line,re.IGNORECASE)
if (m_mtype):
# Module found: look for parameters
modules[m_mtype.group(1)] = {}
if m_mtype.group(2) == '{':
# multi-line module definition
oend = 0
while not oend:
line = next(itr)
m_param = re.search('(\w+)\s+([^;\n]+)',line)
if m_param:
# Parameter found
modules[m_mtype.group(1)][m_param.group(1)] =\
m_param.group(2)
if re.search('}',line):
# End of the module
oend = 1
# Look for class definitions
m_ctype = re.search('class\W+(\w+)\s*([;{])',line,re.IGNORECASE)
if (m_ctype):
# Class found: look for parameters
classes[m_ctype.group(1)] = {}
if m_ctype.group(2) == '{':
# multi-line class definition
oend = 0
while not oend:
line = next(itr)
m_param = re.search('(\w+)\s+([^;\n]+)',line)
if m_param:
# Parameter found
classes[m_ctype.group(1)][m_param.group(1)] =\
m_param.group(2)
if re.search('}',line):
# End of the class
oend = 1
# Print the oid hash
# print('oidh:')
# for x in h:
# print(x+'->'+h[x])
# print('end oidh')
# Print the model structure
# for t in model:
# print(t+':')
# for o in model[t]:
# print('\t'+o+':')
# for p in model[t][o]:
# if ':' in model[t][o][p]:
# print('\t\t'+p+'\t-->\t'+h[model[t][o][p]])
# else:
# print('\t\t'+p+'\t-->\t'+model[t][o][p])
# -----------------------
# Print the OpenDSS Model
# -----------------------
redirects = []
kvbases = set([])
# BREAKERS
if 'breaker' in model:
redirects.append('Breakers.dss')
breakerf = open(modeldir+'/Breakers.dss', 'w');
breakerf.write('!Breaker Definitions:\n\n');
for breaker in model['breaker']:
row = model['breaker'][breaker]
name = str(breaker)
bus1 = str(row['from'])
bus2 = str(row['to'])
phsfx = get_phsfx(row['phases'])
phqty = str(count_ph(row['phases']))
breakerf.write('new line.' + name +\
' bus1=' + bus1 + phsfx +\
' bus2=' + bus2 + phsfx +\
' phases=' + phqty +\
' switch=y')
if row['status'] == 'OPEN':
breakerf.write(' enabled=false')
breakerf.write('\n');
breakerf.close()
# CAPACITORS AND CAPACITOR CONFIGURATOINS
if 'capacitor' in model:
redirects.append('Capacitors.dss')
capacitorf = open(modeldir+'/Capacitors.dss', 'w')
capacitorf.write('! Capacitor Definitions \n\n')
redirects.append('CapControls.dss')
capctrlf = open(modeldir+'/CapControls.dss','w')
capctrlf.write('! Capacitor Controls \n\n')
for cap in model['capacitor']:
row = model['capacitor'][cap]
# First, write to the capacitor file
name = str(cap) # name of the capacitor
bus1 = str(cap) # (always?) decended from a node
phsfx = get_phsfx(row['phases']) # DSS phase suffix
phqty = str(count_ph(row['phases'])) #
if 'cap_nominal_voltage' in row:
kvln_tok = 'cap_nominal_voltage'
else:
kvln_tok = 'nominal_voltage'
kvLN = float(row[kvln_tok])/1000.0; # node voltage is LN
kvbases.update([round(kvLN*SQRT3,2)])
kv = '{:.3f}'.format(kvLN if phqty == '1' else kvLN*SQRT3)
kvar = 0
if 'capacitor_A' in row:
kvar += parse_kvar(row['capacitor_A'])
if 'capacitor_B' in row:
kvar += parse_kvar(row['capacitor_B'])
if 'capacitor_C' in row:
kvar += parse_kvar(row['capacitor_C'])
kvar = str(kvar)
conn = 'wye' # capacitors are always wye in gld
capacitorf.write('new capacitor.' + name +\
' bus1=' + bus1 + phsfx +\
' phases=' + phqty +\
' kv=' + kv +\
' kvar=' + kvar +\
' conn=wye' +\
'\n')
# Second, write to the cap control file
if 'control' not in row:
continue
if row['control'] == 'VOLT':
capctrlf.write('new capcontrol.' + name + '_ctrl ' +\
'capacitor=' + name + ' ')
capctrlf.write('type=voltage' +\
' element=' + 'capacitor.' + name +\
' terminal=' + '1' +\
' ptphase=' + get_phnum(row['pt_phase']) +\
' ptratio=' + '1' +\
' offsetting=' + str(row['voltage_set_high']) +\
' onsetting=' + str(row['voltage_set_low']) +\
' delay=' + str(row['time_delay']) +\
' delayoff=' + str(row['dwell_time']) +\
' deadtime=' + '0' +\
'\n')
elif row['control'] == 'MANUAL':
capctrlf.write('!manual control for '+name+'\n')
else:
# unrecognized control type: disable the controller
print('Warning: "'+row['control']+'" cap control not implemented')
capctrlf.write('enabled=false\n')
capacitorf.close()
capctrlf.close()
# SWITCHES
if 'switch' in model:
redirects.append('Switches.dss')
switchf = open(modeldir+'/Switches.dss','w')
switchf.write('! Switch Definitions\n')
for switch in model['switch']:
row = model['switch'][switch]
name = switch
bus1 = str(row['from'])
bus2 = str(row['to'])
phsfx = get_phsfx(row['phases'])
phqty = str(count_ph(row['phases']))
switchf.write('new line.' + name +\
' bus1=' + bus1 + phsfx +\
' bus2=' + bus2 + phsfx +\
' phases=' + phqty +\
' switch=y')
if row['status'] == 'OPEN':
switchf.write(' enabled=false')
switchf.write('\n');
switchf.close()
# LINES
# Note: GridLAB-D uses incomplete line geometry - we will create the primitive
# Z-matrix for an OpenDSS linecode using the same method as GridLAB-D.
# GridLAB-D uses modified Carson's equations: Kersting (3rd) 4.39 and 4.40
# - Earth Resistivity is defined in line.h as 100 ohm-m
# - Here, we will assume a system frequency of 60 Hz
rterm = 0.00158836*60
icoef = 0.00202237*60
iterm = math.log(100/60)/2 + 7.6786
# LINE CODES (two variants, one with spacings and conductors, the other with impedances)
if 'line_configuration' in model:
redirects.append('LineCodes.dss')
wirehash = {}
if 'overhead_line_conductor' in model:
wirehash.update(model['overhead_line_conductor'])
if 'underground_line_conductor' in model:
wirehash.update(model['underground_line_conductor'])
if 'line_spacing' in model:
spacehash = model['line_spacing']
lcodef = open(modeldir+'/LineCodes.dss','w')
lcodef.write('! Linecodes\n')
for code in model['line_configuration']:
row = model['line_configuration'][code]
# Populate the following list vectors for existing phases
ri = []
GMR = []
Dij = []
idx = 0
neutflag = 0
phases = 0;
# Check phase A
if 'conductor_A' in row:
phases += 1
if 'overhead_line_conductor' in model:
if h[row['conductor_A']] in model['overhead_line_conductor']:
ri.append(float(wirehash[h[row['conductor_A']]]['resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_A']]]['geometric_mean_radius']))
if 'underground_line_conductor' in model:
if h[row['conductor_A']] in model['underground_line_conductor']:
ri.append(float(wirehash[h[row['conductor_A']]]['conductor_resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_A']]]['conductor_gmr']))
Dij.append([])
Dij[idx].append(0)
if 'conductor_B' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_AB'])
Dij[idx].append(D if D > 0 else 0.001)
if 'conductor_C' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_AC'])
Dij[idx].append(D if D > 0 else 0.001)
if 'conductor_N' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_AN'])
Dij[idx].append(D if D > 0 else 0.001)
idx += 1
# Check phase B
if 'conductor_B' in row:
phases += 1
if 'overhead_line_conductor' in model:
if h[row['conductor_B']] in model['overhead_line_conductor']:
ri.append(float(wirehash[h[row['conductor_B']]]['resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_B']]]['geometric_mean_radius']))
if 'underground_line_conductor' in model:
if h[row['conductor_B']] in model['underground_line_conductor']:
ri.append(float(wirehash[h[row['conductor_B']]]['conductor_resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_B']]]['conductor_gmr']))
Dij.append([])
if 'conductor_A' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_AB'])
Dij[idx].append(D if D > 0 else 0.001)
Dij[idx].append(0)
if 'conductor_C' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_BC'])
Dij[idx].append(D if D > 0 else 0.001)
if 'conductor_N' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_BN'])
Dij[idx].append(D if D > 0 else 0.001)
idx += 1
# Check phase C
if 'conductor_C' in row:
phases += 1
if 'overhead_line_conductor' in model:
if h[row['conductor_C']] in model['overhead_line_conductor']:
ri.append(float(wirehash[h[row['conductor_C']]]['resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_C']]]['geometric_mean_radius']))
if 'underground_line_conductor' in model:
if h[row['conductor_C']] in model['underground_line_conductor']:
ri.append(float(wirehash[h[row['conductor_C']]]['conductor_resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_C']]]['conductor_gmr']))
Dij.append([])
if 'conductor_A' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_AC'])
Dij[idx].append(D if D > 0 else 0.001)
if 'conductor_B' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_BC'])
Dij[idx].append(D if D > 0 else 0.001)
Dij[idx].append(0)
if 'conductor_N' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_CN'])
Dij[idx].append(D if D > 0 else 0.001)
idx += 1
# Check phase N
if 'conductor_N' in row:
neutflag = 1
if 'overhead_line_conductor' in model:
if h[row['conductor_N']] in model['overhead_line_conductor']:
ri.append(float(wirehash[h[row['conductor_N']]]['resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_N']]]['geometric_mean_radius']))
if 'underground_line_conductor' in model:
if h[row['conductor_N']] in model['underground_line_conductor']:
ri.append(float(wirehash[h[row['conductor_N']]]['conductor_resistance']))
GMR.append(parse_gmr_ft(wirehash[h[row['conductor_N']]]['conductor_gmr']))
Dij.append([])
if 'conductor_A' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_AN'])
Dij[idx].append(D if D > 0 else 0.001)
if 'conductor_B' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_BN'])
Dij[idx].append(D if D > 0 else 0.001)
if 'conductor_C' in row:
D = parse_dist_ft(spacehash[h[row['spacing']]]['distance_CN'])
Dij[idx].append(D if D > 0 else 0.001)
Dij[idx].append(0)
idx += 1
# Calculate the primitive impedance matrix from conductor data (assumes idx still good)
if phases > 0:
rprim = []
xprim = []
for ii in range(0,idx):
rprim.append([])
xprim.append([])
for jj in range(0,idx):
if ii == jj:
rprim[ii].append(ri[ii]+rterm)
xprim[ii].append(icoef*(math.log(1/GMR[ii])+iterm))
else:
rprim[ii].append(rterm)
if Dij[ii][jj] == 0:
print('ERROR: line configuration '+code+' has zero distance')
xprim[ii].append(icoef*(math.log(1/Dij[ii][jj])+iterm))
# Write the line codes
name = str(code)
condqty = len(rprim)
rmat = '[ '
xmat = '[ '
for ii in range(0,len(rprim)):
for jj in range(0,ii+1):
rmat += '{:.6f}'.format(rprim[ii][jj])
xmat += '{:.6f}'.format(xprim[ii][jj])
if jj < ii:
rmat += ' '
xmat += ' '
if ii < (len(rprim)-1):
rmat += ' | '
xmat += ' | '
else:
rmat += ' ]'
xmat += ' ]'
# OpenDSS reduces the last conductor by default; kron must be called after matrices defined
print ('new linecode.{:s} nphases={:d} units=mi'.format (name, condqty), file=lcodef)
print ('~ rmatrix={:s}'.format (rmat), file=lcodef)
print ('~ xmatrix={:s}'.format (xmat), file=lcodef)
if neutflag:
print ('~ neutral={:d} kron=yes'.format(condqty), file=lcodef)
else: # if we didn't find any conductors, look for the matrix elements
if 'z11' in row:
phases += 1
if 'z22' in row:
phases += 1
if 'z33' in row:
phases += 1
rfull = [[0 for i in range(phases)] for j in range(phases)]
xfull = [[0 for i in range(phases)] for j in range(phases)]
cfull = [[0 for i in range(phases)] for j in range(phases)]
i = 0
if 'z11' in row:
rfull[i][i], xfull[i][i] = parse_impedance (row['z11'])
if 'c11' in row:
cfull[i][i] = float(row['c11'])
i += 1
if 'z22' in row:
rfull[i][i], xfull[i][i] = parse_impedance (row['z22'])
if 'c22' in row:
cfull[i][i] = float(row['c22'])
j = i-1
if 'z12' in row:
rfull[j][i], xfull[j][i] = parse_impedance (row['z12'])
rfull[i][j] = rfull[j][i]
xfull[i][j] = xfull[j][i]
if 'c12' in row:
cfull[j][i] = float(row['c12'])
cfull[i][j] = cfull[j][i]
i += 1
if 'z33' in row:
rfull[i][i], xfull[i][i] = parse_impedance (row['z33'])
if 'c33' in row:
cfull[i][i] = float(row['c33'])
## fill in the diagonals
j = i-1
if 'c23' in row:
cfull[j][i] = float(row['c23'])
cfull[i][j] = cfull[j][i]
if 'z23' in row:
rfull[j][i], xfull[j][i] = parse_impedance (row['z23'])
rfull[i][j] = rfull[j][i]
xfull[i][j] = xfull[j][i]
j -= 1
if 'z13' in row:
rfull[j][i], xfull[j][i] = parse_impedance (row['z13'])
rfull[i][j] = rfull[j][i]
xfull[i][j] = xfull[j][i]
if 'c13' in row:
cfull[j][i] = float(row['c13'])
cfull[i][j] = cfull[j][i]
# write this line code in triangular form
rmat = '['
xmat = '['
cmat = '['
for ii in range(phases):
for jj in range(ii+1):
rmat += '{:.6f}'.format(rfull[ii][jj])
xmat += '{:.6f}'.format(xfull[ii][jj])
cmat += '{:.6f}'.format(cfull[ii][jj])
if jj < ii:
rmat += ' '
xmat += ' '
cmat += ' '
if ii < (phases-1):
rmat += ' | '
xmat += ' | '
cmat += ' | '
else:
rmat += ']'
xmat += ']'
cmat += ']'
lcodef.write('new linecode.' + str(code) +\
' nphases='+str(phases) + ' units=mi' +\
'\n~ rmatrix=' + rmat +\
'\n~ xmatrix=' + xmat +\
'\n~ cmatrix=' + cmat +\
'\n')
lcodef.close()
# OVERHEAD LINES
if 'overhead_line' in model:
redirects.append('OverheadLines.dss')
olf = open(modeldir+'/OverheadLines.dss','w')
olf.write('! Overhead Line Definitions\n')
for ol in model['overhead_line']:
row = model['overhead_line'][ol]
name = str(ol)
bus1 = str(row['from'])
bus2 = str(row['to'])
phsfx = get_phsfx(row['phases'])
phqty = str(count_ph(row['phases']))
linecode = str(h[row['configuration']])
length = str(row['length'])
olf.write('new line.' + name +\
' bus1=' + bus1 + phsfx +\
' bus2=' + bus2 + phsfx +\
' phases=' + phqty +\
' linecode=' + linecode +\
' length=' + length +\
' units=Ft' +\
'\n')
olf.close()
# UNDERGROUND CABLES
if 'underground_line' in model:
redirects.append('UndergroundLines.dss')
ugf = open(modeldir+'/UndergroundLines.dss','w')
ugf.write('! Underground Line Definitions\n')
for ol in model['underground_line']:
row = model['underground_line'][ol]
name = str(ol)
bus1 = str(row['from'])
bus2 = str(row['to'])
phsfx = get_phsfx(row['phases'])
phqty = str(count_ph(row['phases']))
linecode = str(h[row['configuration']])
length = str(row['length'])
ugf.write('new line.' + name +\
' bus1=' + bus1 + phsfx +\
' bus2=' + bus2 + phsfx +\
' phases=' + phqty +\
' linecode=' + linecode +\
' length=' + length +\
' units=Ft' +\
'\n')
ugf.close()
# TRIPLEX LINES (two variants, one with spacing/conductor, other with impedances)
# triplex_line_conductor: wire - resistance and gmr defined
# triplex_line: linecode - distances defined as follows:
# distances = 2*diameter/2 + 2*insulation_thickness
# number and type of conductors is fixed
if 'triplex_line_configuration' in model:
redirects.append('TpxLineCodes.dss')
if 'triplex_line_conductor' in model:
wirehash = model['triplex_line_conductor']
tpxcodef = open(modeldir+'/TpxLineCodes.dss','w')
tpxcodef.write('! Triplex linecodes\n')
for code in model['triplex_line_configuration']:
row = model['triplex_line_configuration'][code]
neutflag = False
if 'z11' in row:
r11, x11 = parse_impedance(row['z11'])
r12, x12 = parse_impedance(row['z12'])
r21, x21 = parse_impedance(row['z21'])
r22, x22 = parse_impedance(row['z22'])
rprim = [[r11, r12],[r21, r22]]
xprim = [[x11, x12],[x21, x22]]
else:
# Populate the following list vectors for existing phases
ri = []
GMR = []
Dij = []
# Phase 1
ri.append(float(wirehash[h[row['conductor_1']]]['resistance']))
GMR.append(float(wirehash[h[row['conductor_1']]]['geometric_mean_radius']))
Dij.append([])
Dij[0].append(0)
Dij[0].append(float(row['diameter'])+2*float(row['insulation_thickness']))
Dij[0].append(float(row['diameter'])+2*float(row['insulation_thickness']))
# Phase 2
ri.append(float(wirehash[h[row['conductor_2']]]['resistance']))
GMR.append(float(wirehash[h[row['conductor_2']]]['geometric_mean_radius']))
Dij.append([])
Dij[1].append(float(row['diameter'])+2*float(row['insulation_thickness']))
Dij[1].append(0)
Dij[1].append(float(row['diameter'])+2*float(row['insulation_thickness']))
# Phase N
ri.append(float(wirehash[h[row['conductor_N']]]['resistance']))
GMR.append(float(wirehash[h[row['conductor_N']]]['geometric_mean_radius']))
Dij.append([])
Dij[2].append(float(row['diameter'])+2*float(row['insulation_thickness']))
Dij[2].append(float(row['diameter'])+2*float(row['insulation_thickness']))
Dij[2].append(0)
neutflag = True
# Calculate the primitive impedance matrix
rprim = []
xprim = []
for ii in range(0,3):
rprim.append([])
xprim.append([])
for jj in range(0,3):
if ii == jj:
rprim[ii].append(ri[ii]+rterm)
xprim[ii].append(icoef*(math.log(1/GMR[ii])+iterm))
else:
rprim[ii].append(rterm)
xprim[ii].append(icoef*(math.log(1/Dij[ii][jj])+iterm))
# Write the triplex line codes
name = code
rmat = '[ '
xmat = '[ '
for ii in range(0,len(rprim)):
for jj in range(0,ii+1):
rmat += '{:.6f}'.format(rprim[ii][jj])
xmat += '{:.6f}'.format(xprim[ii][jj])
if jj < ii:
rmat += ' '
xmat += ' '
if ii < (len(rprim)-1):
rmat += ' | '
xmat += ' | '
else:
rmat += ' ]'
xmat += ' ]'
# OpenDSS reduces the last conductor by default
if neutflag:
tpxcodef.write('new linecode.' + name +\
' nphases=3 units=mi' +\
'\n~ rmatrix=' + rmat +\
'\n~ xmatrix=' + xmat +\
'\n~ neutral=3 kron=yes' +\
'\n')
else:
tpxcodef.write('new linecode.' + name +\
' nphases=2 units=mi' +\
'\n~ rmatrix=' + rmat +\
'\n~ xmatrix=' + xmat +\
'\n')
tpxcodef.close()
# TRIPLEX LINES
if 'triplex_line' in model:
redirects.append('TriplexLines.dss')
tpxf = open(modeldir+'/TriplexLines.dss','w')
tpxf.write('! Triplex Line Definitions\n')
for tpl in model['triplex_line']:
row = model['triplex_line'][tpl]
name = str(tpl)
bus1 = str(row['from'])
bus2 = str(row['to'])
phsfx = '.1.2'
phqty = str(2)
linecode = str(h[row['configuration']])
length = str(row['length'])
tpxf.write('new line.' + name +\
' bus1=' + bus1 + phsfx +\
' bus2=' + bus2 + phsfx +\
' phases=' + phqty +\
' linecode=' + linecode +\
' length=' + length +\
' units=Ft' +\
'\n')
tpxf.close()
# TRANSFORMERS
if 'transformer' in model:
redirects.append('Transformers.dss')
xff = open(modeldir+'/Transformers.dss','w')
xff.write('! Transformer Definitions\n')
for xfcode in model['transformer_configuration']:
row = model['transformer_configuration'][xfcode]
phct = 0
if 'powerA_rating' in row:
if float(row['powerA_rating']) > 0.0:
phct += 1
if 'powerB_rating' in row:
if float(row['powerB_rating']) > 0.0:
phct += 1
if 'powerC_rating' in row:
if float(row['powerC_rating']) > 0.0:
phct +=1
if phct == 0 and 'power_rating' in row:
if row['connect_type'] == 'SINGLE_PHASE_CENTER_TAPPED':
phct = 1
else:
phct = 3
kvastr = ' kva='+str(row['power_rating'])
xff.write('new xfmrcode.xfcode_'+str(xfcode))
if row['connect_type'] == 'SINGLE_PHASE_CENTER_TAPPED':
xff.write(' windings=3')
else:
xff.write(' windings=2')
xff.write(' phases='+str(phct))
xff.write('\n\t~')
if 'shunt_resistance' in row:
nll_pct = '{:.3f}'.format(1/float(row['shunt_resistance'])*100)
xff.write(' %noloadloss='+nll_pct)
if 'shunt_reactance' in row:
imag_pct = '{:.3f}'.format(1/float(row['shunt_reactance'])*100)
xff.write(' %imag='+imag_pct)
if ('shunt_resistance' in row) or ('shunt_reactance' in row):
xff.write('\n\t~')
# Implementation depends on the connection type
if row['connect_type'] == 'SINGLE_PHASE_CENTER_TAPPED':
if 'impedance' in row:
rwdg1, xgld = parse_impedance (row['impedance'])
if ('impedance1' in row) and ('imedance2' in row):
r1, x1 = parse_impedance (row['impedance1'])
r2, x2 = parse_impedance (row['impedance2'])
xhl = 100.0 * (xgld + x1)
xht = 100.0 * (xgld + x2)
xll = 100.0 * (x1 + x2)
rwdg1 *= 100.0
rwdg2 = 100.0 * r1
rwdg3 = 100.0 * r2
else:
xhl = 1.2 * 100.0 * xgld
xht = xhl
xlt = xhl * 0.8 / 1.2
rwdg1 *= 100.0 * 0.5
rwdg2 = 2 * rwdg1
rwdg3 = rwdg2
else: # separate Reactance and Resistance definitions
xgld = 100.0 * float(row['reactance'])
if ('reactance1' in row) and ('reactance2' in row):
xgld1 = 100.0 * float(row['reactance1'])
xgld2 = 100.0 * float(row['reactance2'])
xhl = xgld + xgld1
xht = xgld + xgld2
xlt = xgld1 + xgld2
else: # GLD file contains the star-equivalent reactances
xhl = 1.2 * xgld
xht = 1.2 * xgld
xlt = 0.8 * xgld
rwdg1 = 100.0 * float(row['resistance'])
if ('resistance1' in row) and ('resistance2' in row):
rwdg2 = 100.0 * float(row['resistance1'])
rwdg3 = 100.0 * float(row['resistance2'])
else: # GLD file contains the winding resistances
rwdg2 = rwdg1
rwdg3 = rwdg1
rwdg1 *= 0.5
# write the parsed short-circuit reactance data
xff.write(' xhl='+'{:.3f}'.format(xhl))
xff.write(' xht='+'{:.3f}'.format(xht))
xff.write(' xlt='+'{:.3f}'.format(xlt))
# Primary winding
xff.write('\n\t~ wdg=1')
xff.write(' conn=wye')
xff.write(kvastr)
xff.write(' kv='+'{:.3f}'.format(float(row['primary_voltage'])/1000))
kvbases.update([round(float(row['primary_voltage'])/1000*SQRT3,2)])
xff.write(' %R='+'{:.3f}'.format(rwdg1))
# Secondary winding
xff.write('\n\t~ wdg=2')
xff.write(' conn=wye')
xff.write(kvastr)
xff.write(' kv=.120')
kvbases.update([0.120])
kvbases.update([0.240])
xff.write(' %R='+'{:.3f}'.format(rwdg2))
# Tertiary winding
xff.write('\n\t~ wdg=3')
xff.write(' conn=wye')
xff.write(kvastr)
xff.write(' kv=.120')
xff.write(' %R='+'{:.3f}'.format(rwdg3))
else:
kv1 = float(row['primary_voltage']) / 1000
kv2 = float(row['secondary_voltage']) / 1000
if row['connect_type'] == 'WYE_WYE':
conn1 = 'wye'
conn2 = 'wye'
kvbases.update([round(kv1*SQRT3,2)])
kvbases.update([round(kv2*SQRT3,2)])
if phct == 1:
kv1 /= SQRT3
kv2 /= SQRT3
elif row['connect_type'] == 'DELTA_GWYE':
conn1 = 'delta'
conn2 = 'wye'
kvbases.update([round(kv1,2)])
kvbases.update([round(kv2*SQRT3,2)])
if phct == 1:
kv2 /= SQRT3
elif row['connect_type'] == 'DELTA_DELTA':
conn1 = 'delta'
conn2 = 'delta'
kvbases.update([round(kv1,2)])
kvbases.update([round(kv2,2)])
# Impedance
xff.write(' %loadloss='+'{:.3f}'.format(float(row['resistance'])*100))
xff.write(' xhl='+str(float(row['reactance'])*100))
# Primary winding
xff.write('\n\t~ wdg=1')
xff.write(' conn='+conn1)
xff.write(kvastr)
xff.write(' kv='+'{:.3f}'.format(kv1))
# Secondary winding
xff.write('\n\t~ wdg=2')
xff.write(' conn='+conn2)
xff.write(kvastr)
xff.write(' kv='+'{:.3f}'.format(kv2))
xff.write('\n');
for xfmr in model['transformer']:
row = model['transformer'][xfmr]
bus1=str(row['from'])
bus2=str(row['to'])
phsfx = ''
phases = row['phases']
if 'A' in phases:
phsfx += '.1'
if 'B' in phases:
phsfx += '.2'
if 'C' in phases:
phsfx += '.3'
xff.write('new transformer.transformer_'+str(xfmr) + ' xfmrcode=xfcode_'
+ str(row['configuration']))
if 'S' in phases:
xff.write(' buses=[' + bus1 + phsfx + ' ' + bus2 + '.1.0 ' + bus2 + '.0.2]')
else:
xff.write(' buses=[' + bus1 + phsfx + ' ' + bus2 + phsfx + ']')
xff.write('\n');
xff.close()
# NON-SPLIT-PHASE LOADS, indicate with class=2 to prevent OpenDSS from triplexing
if 'load' in model:
redirects.append('Loads.dss')
loadf = open(modeldir+'/Loads.dss', 'w')
loadf.write('! Load Definitions \n\n')
for load in model['load']:
row = model['load'][load]
name = str(load)
bus1 = str(load)
phqty = count_ph(row['phases'])
if 'constant_power_A' in row:
toks = re.split('[\+j]',row['constant_power_A'])
PA = float(toks[0])
QA = float(toks[1])
loadf.write('new load.'+name+'_phA')
loadf.write(' phases=1')
if 'connection_type' in row:
if row['connection_type'] == 'WYE-GND':
loadf.write(' bus1='+bus1+'.1')
loadf.write(' conn=wye')
if row['connection_type'] == 'DELTA':
loadf.write(' bus1='+bus1+'.1.2')
loadf.write(' conn=delta')
else:
loadf.write(' bus1='+bus1+'.1')
loadf.write(' conn=wye')
# assuming gld voltage is LL for delta loads and LN for wye loads
loadf.write(' kv='+'{:.3f}'.format(float(row['nominal_voltage'])/1000))
loadf.write(' kw='+'{:.3f}'.format(PA/1000))
loadf.write(' kvar='+'{:.3f}'.format(QA/1000))
loadf.write(' class=2\n')
if 'constant_power_B' in row:
toks = re.split('[\+j]',row['constant_power_B'])