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Table 2 Parameters of the units

From: Low-carbon economic multi-objective dispatch of integrated energy system considering the price fluctuation of natural gas and carbon emission accounting

Carbon emission

βe = 1.08 kg/kW

βe* = 0.728 kg/kW

 

βh = 0.3672 kg/kW

βh* = 0.234 kg/kW

 

α = 0.25

c = 0.254

 

h = 80 kg

 

CHP

ηeCHP = 0.55

ηhCHP = 0.4

 

PCHP.e.min = 32 kW

PCHP.e.max = 1320 kW

 

PCHP.h.min = 44 kW

PCHP.h.max = 1815 kW

 

ramp = 200 kW

 

Electric boiler

PBmax = 800 kW

ηB = 0.75

Battery energy storage system

Ee.min = 120 kW

Ee.max = 1080 kW

 

Pch,min = 40 kW

Pdis,min = 400 kW

 

Pdis,min = 40 kW

Pdis,max = 400 kW

 

ηech = 0.91

ηedis = 0.91

Gas tank

Vbio,min = 120m3

Vbio,max = 1200m3

 

VGDS,max = 300m3/h

VGCS,max = 300 m3/h

Unit cost

λonCHP = 52 ¥/kW

λoffCHP = 52 ¥/kW

 

λloss = 6.5 ¥/kW

λW = 0.47 ¥/kW

 

λP = 0.49 ¥/kW

 

Maintenance cost

αchp = 0.03 ¥/kW

αeb = 0.04 ¥/kW

 

αwind = 0.05 ¥/kW

αBESS = 0.026 ¥/kW

 

αtank = 0.011 ¥/kW

αpv = 0.039 ¥/kW