power plant economics and variable load problem

... where CH and CH max are the smaller and the larger of the two capacitance rates CH and Cwf , CL and CL max are the smaller and the larger of the two capacitance rates CL and Cwf , CIm in and CIm ... closed-cycle CHP plant with heat resistance and internal irreversibility [27] and an irreversible Dual cycle CHP plant with heat resistance, heat leakage and internal irreversibility [28], and compared ... cycle with gas turbine and steam turbine J Power Engng., 1998, 8(6): 118-124 (in Chinese) Bo Yang received his BS Degree in 2008 and MS Degree in 2010 in power engineering and engineering thermophysics...

Ngày tải lên: 05/09/2013, 14:59

Ngày tải lên: 15/10/2013, 16:37

Ngày tải lên: 28/10/2013, 19:51

... and 2, and Prairie Island and b The three-loop units in the United States are Beaver Valley and 2, Farley and 2, H B Robinson 2, North Anna and 2, Shearon Harris 1, V C Summer, Surry and 2, and ... Type CRS-4 Nuclear Power Plant Design and Seismic Safety Considerations Nuclear Power Plant Designs General design criteria for nuclear power plants require that structures and components important ... Turkey Point and c The four-loop units in the United States are Braidwood and 2, Byron and 2, Callaway, Catawba and 2, Comanche Peak and 2, D C Cook and 2, Diablo Canyon and 2, Indian Point and 3,...

Ngày tải lên: 03/07/2014, 05:00

... Engineers’ Handbook Peters: Elementary Chemical Engineering Peters and Timmerhaus: Plant Design and Economics for Chemical Engineers Reid, Prausoitz, and Rolling: The Properties of Gases and Liquids ... Series Bailey and Ollis: Biochemical Engineering Fundamentals Bennett and Myers: Momentum, Heat, and Mass Transfer Beveridge and Schechter: Optimization: Theory and Practice Brudkey and Hershey: ... methods, and other subjects dealing with economics are covered both qualitatively and quantitatively The remainder of the text deals with methods and important factors in the design of plants and...

Ngày tải lên: 01/04/2014, 11:35

... marine growth on the power plant are (a) losses in plant efficiency, (b) mechanical damage and (c) problem for the integrity of the cooling circuits needed for safety of nuclear plants (Nair, 1987) ... populations within the plant and in the vicinity of the plant, 2) plant operating events or procedures that may dislodge or kill fouling organisms, and 3) biofouling surveillance and control procedures ... due to tanker spills and leakage of pipe line upstream of the plant could kill fouling organisms in the cooling water source and within the plant b In-plants Some transients and operating procedures...

Ngày tải lên: 27/07/2014, 23:20

... Models Impact Loads and Motor Starting Practical Load Flow Studies Reactive Power Flow and Control 13.1 13.2 13.3 13.4 13.5 14 Modeling a Two-Winding Transformer Load Flow, Bus Types Gauss and Gauss–Seidel ... System Variables in Load Flow Voltage Instability Reactive Power Compensation Reactive Power Control Devices Some Examples of Reactive Power Flow FACTS Three-Phase and Distribution System Load ... and problems Power System Analysis: Short-Circuit Load Flow and Harmonics should be a valuable addition to the power system literature for practicing engineers, those in continuing education, and...

Ngày tải lên: 21/08/2014, 12:41

... Understanding and using unfamiliar syntactic structures 100 42.5 Teacher Student 80 C Understanding and using prepositions and preposition phrases 28.3 80 B Understanding and using verb tenses and ... materials, teachers and students 2.1 Introduction of Thai Nguyen University of Economics and Business Administration and its students Thai Nguyen University of Economics and Business Administration ... different topics such as Microeconomics and Macroeconomics; Business Management; Finance and Accounting; International Trade; Marketing; Economic Policies and Issues; and Business Communication,...

Ngày tải lên: 28/03/2015, 09:32

... corrugated tubes with variable corrugation pitch and depth Figure G9 Variation of performance ratio with heat medium flow rate for corrugated tubes with variable corrugation pitch and depth ... variable corrugation pitch and depth Figure G5 Variation of specific heat transfer area with heat medium temperature for corrugated tubes with variable corrugation pitch and depth ... with variable corrugation pitch and depth 242 Figure G4 Variation of performance ratio with heat medium temperature for corrugated tubes with variable...

Ngày tải lên: 14/09/2015, 08:36

... generation Combined water and power plant The part load condition is utilized, i.e when the power plant is running at part load, RO starts operation to increase the electricity load demand Consequently, ... Thermoflow® Combined water and power plant: simulation results 134 5.2.1 Effect of Combined cycle load on Thermal Efficiency 5.2 133 135 5.2.2 Combined Water and Power Plant (CWPP): comparison ... includes both power and water Computations indicated that the performance can be improved with the integration of MED and RO When MED and RO plants are coupled to the combined power plant, the thermal...

Ngày tải lên: 14/09/2015, 08:36

... capacity of 10 litres and can supply a maximum pumping power of 25KW Variables such as the heat medium temperature and feed temperature are altered using the hot water bath and feed water bath, ... conductivity and popularity in desalination industries from an economic point of view The inside and outside diameter of the tube are 13 mm and 19 mm, respectively The thickness of the tube is 3.25 mm and ... susceptible to fouling and damage, certain procedures and precautions must be adhered to when running the systems Lack of understanding of the systems can lead to a rapid and irreversible damage...

Ngày tải lên: 14/09/2015, 08:36

... output power of GT, ST, and total gross power output of the combined power plant Lastly thermal efficiency of the power plant from full load / rated load to 60% of the rated load condition was checked ... of Combined cycle load on Water Production The water production of 1) the combined cycle power plant with the MED plant, and 2) the combined cycle and power plant with the MED and RO (using 5% ... Results and Discussion Table 5.3 Comparison of results with thermoflow for combined cycle power plant Gas turbine relative load (%) Gross power output GT [MW] Gross power output ST [MW] Gross power...

Ngày tải lên: 14/09/2015, 08:36

... σPt dBt , (1) where α and σ are constant and strictly positive, and {Bt }t≥0 is a standard Brownian motion The output price represents the profit flow per unit of production, and its expected value ... 1973 in order to evaluate active and inactive firms, and they defined the concepts of option to enter and option to abandon as part of the firm’s value A formal and complete discussion was presented ... definitive and rigorous treatment of the problem was proposed by Brekke and Øksendal in 1994 [BØ] They analyzed the entry-exit decisions problem applying both the option pricing theory and the dynamic...

Ngày tải lên: 13/04/2013, 13:04

... utility grid • designed and sized to supply certain DC and/ or AC electrical loads Direct-coupled PV system Diagram of stand-alone PV system with battery storage powering DC and AC loads Khoa Điện-Điện ... parallel with and interconnected with the electric utility grid • Power Conditioner Unit/ inverter Converts the DC power produced by the PV array into AC power consistent with the voltage and power quality ... circuits and the electric utility network Either supply on-site electrical loads, or to back-feed the grid when the PV system output is greater than the on-site load demand When the electrical loads...

Ngày tải lên: 26/04/2013, 08:26

... answers: F Business firms and households are interdependent of each other T Firms and households are both buyers and sellers F Demand for the resources depends on the demand for products F Knowledge ... of workers in England and Germany affected greatly Marx and Engels and made them write the Communist Manifesto According to Marx, capitalists got rich by exploiting workers and taking surplus ... synonyms and antonyms - Students can master the nature of macroeconomics and enrich their vocabulary relating to this topic III Time: 4.5 periods IV Aids: Textbook: English in economics and business...

Ngày tải lên: 08/07/2013, 01:27

... T., Suzuki T and Kunikane S (2008) Occurrence and Removal of Pharmaceuticals in Drinking Water Treatment Plants, J of Water and Waste, 50(7), 581-586 Simpson J M., Santo Domingo J W and Reasoner ... treatment plant effluent (10 mg/L), and rain water (5 and 10 mg/L) More than 20% degradation was observed in all Lake Tedori water and Unoke River water samples and rain water sample (1 mg/L) 100 ... samples (1, 5, and 10 mg/L), all deionized water samples, and Unoke River water samples (5 and 10 mg/L), after d of incubation However, the density decreased in all rain water samples and the Unoke...

Ngày tải lên: 05/09/2013, 10:15

... where PGi and QGi : generator real and reactive power at i-th bus, respectively; PDi and QDi : load real and reactive power at i-th bus, respectively; Gij and Bij : transfer conductance and susceptance ... determined, the economic load dispatch, security index and powers system losses can be obtained by solving the optimization problem using RGA, PSO and HRGAPSO approaches 3.2 Maximum loadability limit ... xi (τ )) + c * rand * ( p g (τ ) − xi (τ )) (30) where c1 and c are acceleration constants and rand and rand are uniformly distributed random r numbers in [0, 1] The term vi is limited to its bounds...

Ngày tải lên: 05/09/2013, 15:28

... power plant located in Yiyang (China) was studied by Zhang et al [5] A cost analysis method based on thermodynamics on the power plant was investigated The cost formation of the power plant and ... Performance and parametric investigation of a binary geothermal power plant by exergy approach were investigated by Kanoglu and Bolatturk [6] Actual plant data were used to determine the plant performance ... of parameters such as turbine inlet pressure and temperature and the condenser pressure on the exergy and energy efficiencies, the net power output and the turbine reinjection temperature were...

Ngày tải lên: 05/09/2013, 16:11

... Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.479-486 480 Figure The steam plant cycle and T-S diagram First and second law analysis of steam thermal power cycle Energy is saved and ... International Journal of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.479-486 481 and fuel enters the steam thermal power plant cycle Annual maintenance and operating costs is shared ... elements that compose steam thermal power plant is given in Ref [11] Table The design parameters to be used in the first and second law analysis Parameter Power of steam plant Environmental temperature,...

Ngày tải lên: 05/09/2013, 16:11