def test_tools_fill(self):
m = "Mage Solar : USA Powertec Plus 250-6 MNCS"
ms = modules.Module(m)
zc = '27713'
system = inverters.Inverter("SMA America: SB7000US-11 277V", \
modules.Array(ms, [{'series':14}]))
sols = design.tools_fill(system, zc, mount="Roof")
ans = ['8266.5W : 11S x 3P : ratio 1.18 : 265.0 - 467.0 V', \
'6012.0W : 12S x 2P : ratio 0.86 : 290.0 - 510.0 V', \
'9018.0W : 12S x 3P : ratio 1.29 : 290.0 - 510.0 V', \
'6513.0W : 13S x 2P : ratio 0.93 : 314.0 - 552.0 V', \
'9769.5W : 13S x 3P : ratio 1.4 : 314.0 - 552.0 V', \
'7014.0W : 14S x 2P : ratio 1.0 : 338.0 - 595.0 V', \
'10521.0W : 14S x 3P : ratio 1.5 : 338.0 - 595.0 V']
ans1 = [
'6513.0W : channel 0: 13S x 2P Mage Solar : USA Powertec Plus 250-6 MNCS : ratio 0.93 : 323.0 - 552.0 V',
'7014.0W : channel 0: 14S x 2P Mage Solar : USA Powertec Plus 250-6 MNCS : ratio 1.0 : 348.0 - 595.0 V',
'8266.5W : channel 0: 11S x 3P Mage Solar : USA Powertec Plus 250-6 MNCS : ratio 1.18 : 274.0 - 467.0 V',
'9018.0W : channel 0: 12S x 3P Mage Solar : USA Powertec Plus 250-6 MNCS : ratio 1.29 : 298.0 - 510.0 V',
'9769.5W : channel 0: 13S x 3P Mage Solar : USA Powertec Plus 250-6 MNCS : ratio 1.4 : 323.0 - 552.0 V',
'10521.0W : channel 0: 14S x 3P Mage Solar : USA Powertec Plus 250-6 MNCS : ratio 1.5 : 348.0 - 595.0 V'
]
#print 'ans', '\n'.join(ans)
#print 'sols', '\n'.join(sols)
self.assertListEqual(ans1, sols)
def test_module(self):
model = modules.model_search('Powertec 250 PL')[0]
p = modules.Module(model)
self.assertAlmostEquals(p.v_max(-10), 42.3129)
self.assertAlmostEquals(p.v_dc(), 31.28)
self.assertAlmostEquals(p.i_dc(), 8.01)
self.assertAlmostEquals(p.v_min(40), 24.931724)
self.assertAlmostEquals(p.output(900), 225.49752)
def write_notes(system, filename='output', v_nominal=240.0):
"""file out expedited permit form with system details"""
station_class = 1
dummy, usaf = geo.closest_usaf(geo.zip_coordinates(system.zipcode), \
station_class)
mintemp = eere.minimum(usaf)
twopercent_temp = eere.twopercent(usaf)
fields = []
for i in set(system.shape):
module_name = i.array.dump()['panel']
module = modules.Module(module_name)
print "PV Module Ratings @ STC"
print "Module Make:", module.make
fields.append(('Text1ModuleMake', module.make))
print "Module Model:", module.model
fields.append(('Text1ModuleModel', module.model))
print "Max Power-Point Current (Imp):", module.i_mpp
fields.append(('MAX POWERPOINT CURRENT IMP', module.i_mpp))
print "Max Power-Point Voltage (Vmp):", module.v_mpp
fields.append(('MAX POWERPOINT VOLTAGE VMP', module.v_mpp))
print "Open-Circuit Voltage (v_oc):", module.v_oc
fields.append(('OPENCIRCUIT VOLTAGE VOC', module.v_oc))
print "Short-Circuit Current (i_sc):", module.i_sc
fields.append(('SHORTCIRCUIT CURRENT ISC', module.i_sc))
fields.append(('MAX SERIES FUSE OCPD', '15'))
print "Maximum Power (p_max):", module.p_max
fields.append(('MAXIMUM POWER PMAX', module.p_max))
print "Module Rated Max Voltage:", module.Vrated
fields.append(('MAX VOLTAGE TYP 600VDC', module.Vrated))
fields.append(('VOC TEMP COEFF mVoC or oC', round(module.tk_v_oc, 2)))
fields.append(('VOC TEMP COEFF mVoC', 'On'))
print "Inverter Make:", i.make
fields.append(('INVERTER MAKE', i.make))
print "Inverter Model:", i.model
fields.append(('INVERTER MODEL', i.model))
print "Max Power", i.p_aco
fields.append(('MAX POWER 40oC', i.p_aco))
fields.append(('NOMINAL AC VOLTAGE', 240))
print "Max AC Current: %s" % round(i.p_aco / v_nominal, 2)
fields.append(('MAX AC CURRENT', round(i.p_aco / v_nominal, 2)))
fields.append(('MAX DC VOLT RATING', i.mppt_hi))
print "Max AC OCPD Rating: %s" % ee.ocp_size(
i.p_aco / v_nominal * 1.25)
print "Max System Voltage:", round(module.v_max(mintemp), 1)
print "AC Output Current: %s" % \
round(sum([i.p_aco for i in system.shape])/v_nominal, 2)
fields.append(('AC OUTPUT CURRENT', \
round(sum([i.p_aco for i in system.shape])/v_nominal, 2)))
print "Nominal AC Voltage: %s" % v_nominal
fields.append(('NOMINAL AC VOLTAGE_2', i.ac_voltage))
print "Minimum Temperature: %s C" % mintemp
print "2 Percent Max: %s C" % twopercent_temp
from fdfgen import forge_fdf
fdf = forge_fdf("", fields, [], [], [])
fdf_file = open("data.fdf", "w")
fdf_file.write(fdf)
fdf_file.close()
import shlex
from subprocess import call
cmd = shlex.split("pdftk Example2-Micro-Inverter.pdf fill_form data.fdf" \
"%s output.pdf flatten" % filename)
rc = call(cmd)
return rc
def json_system(json_description):
"""Load a system from a json description"""
#todo: this is getting unweildy should probably be refactored
json_shape = []
orientations = []
for i in json_description["array"]:
o = {}
scale = 1
if "scale" in i:
scale = i["scale"]
if "quantity" in i:
scale = i["quantity"]
if "shape" in i:
shape = i["shape"]
elif "series" in i:
if "parallel" in i:
parallel = i["parallel"]
else:
parallel = 1
shape = [{"series": i["series"], "parallel": parallel}]
else:
shape = [{'series': 1}]
if "tilt" in i:
o["tilt"] = i["tilt"]
else:
o["tilt"] = json_description["tilt"]
if "azimuth" in i:
o["azimuth"] = i["azimuth"]
else:
o["azimuth"] = json_description["azimuth"]
orientations.append(o)
block = inverters.Inverter(i["inverter"], \
modules.Array(modules.Module(i["panel"]),\
shape), (o["azimuth"], o["tilt"]))
#i["series"],i["parallel"]))
if "derate" in i:
block.derate = i["derate"]
json_shape += [block] * scale
plant = System(json_shape)
if 'station_class' in json_description:
plant.set_zipcode(json_description["zipcode"], \
json_description['station_class'])
else:
plant.set_zipcode(json_description["zipcode"])
if "address" in json_description:
plant.address = json_description["address"]
try:
geocoder = geocoders.GoogleV3()
place, (lat, lng) = geocoder.geocode(plant.address)
plant.place = lat, lng
except:
pass
#print "%s, %s location from zipcode" % plant.place
#print orientations
#print set(["%s_%s" % (i['azimuth'],i['tilt']) for i in orientations])
if len(set(["%s_%s" % (i['azimuth'], i['tilt']) for i in orientations])) \
> 1:
print "WARNING: multiple tilts not implimented"
plant.tilt = o[0]["tilt"]
plant.azimuth = o[0]["azimuth"]
elif "tilt" in json_description and "azimuth" in json_description:
plant.tilt = json_description["tilt"]
plant.azimuth = json_description["azimuth"]
else:
#"maybe incomplete"
plant.tilt = orientations[0]["tilt"]
plant.azimuth = orientations[0]["azimuth"]
if 'shade' in json_description:
plant.hourly_shade = pathfinder.Hourly(json_description['shade'])
plant.phase = json_description["phase"]
plant.voltage = json_description["voltage"]
plant.system_name = json_description["system_name"]
return plant