Variable-speed technology used in power plants for better plant economics and grid stability

Energy

Volumn 45, Issue 1, 2012, Pages 588-594

  Wang, Wei ^a   Liu, Jizhen ^a   Zeng, Deliang ^a   Lin, Zhongwei ^a   Cui, Can ^a  

^a NORTH CHINA ELECTRIC POWER UNIVERSITY   (China)

Author keywords

Condenser cooling water pump; Energy savings; Load changes; Optimum condenser pressure; Variable speed

Indexed keywords

ALGORITHMS; ECONOMICS; ENERGY CONSERVATION; PUMPS; THERMOELECTRIC POWER PLANTS;

CONDENSER PRESSURE; ENERGY REQUIREMENTS; GRID OPERATION; GRID STABILITY; LOAD CHANGE; LOAD RANGE; NOVEL ALGORITHM; OPERATING POINTS; OPERATION OPTIMIZATION; PLANT ECONOMICS; THERMAL POWER PLANTS; VARIABLE SPEED; VARIABLE SPEED CONTROL; VARIABLE-SPEED PUMPS;

COOLING WATER;

CONDENSATION; COOLING WATER; ECONOMIC ANALYSIS; ENERGY CONSERVATION; POWER PLANT; STABILIZATION; TECHNOLOGICAL DEVELOPMENT; THERMAL POWER; VELOCITY;

EID: 84865403374     PISSN: 03605442     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.energy.2012.07.040     Document Type: Article

References (18)

1. Liu W., Lund H., Mathiesen B.V. Large-scale integration of wind power into the existing Chinese energy system. Energy 2011, 36(8):4753-4760.
2. Wei W., Deliang Z., Tingting Y., Zhigang Z., Jizhen L. The optimum running of circulating water pumps based on estimated condenser pressure. Proceedings of the Chinese Society of Electrical Engineering 2010, 30(14):7-12.
3. Anozie A.N., Odejobi O.J. The search for optimum condenser cooling water flow rate in a thermal power plant. Applied Thermal Engineering 2011, 31(17-18):4083-4090.
4. Holman J.P. Heat transfer 1997, 8th International Edition, McGraw-Hill, New York.
5. Nesbitt B. Variable speed pumps - are they worth the money? Part two. World Pumps 2001, 2001(419):50-54.
6. Minett S., Fenwick K. The power of variable speed pump benefits. World Pumps 2000, 2000(410):36-38.
7. Tolvanen J. Saving energy with variable speed drives. World Pumps 2008, 2008(501):32-33.
8. Saidur R., Hasanuzzaman M., Mahlia T.M.I., Rahim N.A., Mohammed H.A. Chillers energy consumption, energy savings and emission analysis in an institutional buildings. Energy 2011, 36(8):5233-5238.
9. Lausterer G.K. Improved maneuverability of power plants for better grid stability. Control Engineering Practice 1998, 6(12):1549-1557.
10. Moreno M.A., Planells P., Corcoles J.I., Tarjuelo J.M., Carrion P.A. Development of a new methodology to obtain the characteristic pump curves that minimize the total cost at pumping stations. Biosystems Engineering 2009, 102(1):95-105.
11. Casada D. Energy and reliability considerations for adjustable speed driven pumps. In. Proceedings from the twenty-first national industrial energy technology conference, Houston, TX; May 12-13, 1999. p. 53-62.
12. Chin David A. Water resources engineering 2000, Prentice Hall, New Jersey.
13. Perez Robert X. Affinity laws for pumping systems (ALPS) - part two. Pumps & Systems 2007, 22-24.
14. Nesbitt B. Variable speed pumps - are they worth the money?. World Pumps 2011, 2001(418):26-29.
15. Carlson R. Saudi Aramco, Dhahran. The correct method of calculating energy savings to justify adjustable frequency drives on pumps 1999, p. 275-83.
16. Ma Z., Wang S. Energy efficient control of variable speed pumps in complex building central air-conditioning systems. Energy and Buildings 2009, 41(2):197-205.
17. Tianyi Z., Jili Z., Liangdong M. On-line optimization control method based on extreme value analysis for parallel variable-frequency hydraulic pumps in central air-conditioning systems. Building and Environment 2012, 47:330-338.
18. Bunnag D., Sun M. Genetic algorithm for constrained global optimization in continuous variables. Applied Mathematics and Computation 2005, 171(1):604-636.