Assessment of Utilizing Energy Efficient Motor Drive Systems in the Egyptian Industrial and Agriculture Sectors
Replacing standard motors with efficient motors in new installations[1,2], using variable speed drives [3], and introducing power saving equipment, such as optimized efficiency soft starters [4,5], are leading technologies that are recommended to save ene
- PDF / 1,435,569 Bytes
- 9 Pages / 439 x 666 pts Page_size
- 15 Downloads / 188 Views
1
Introduction
Replacing standard motors with efficient motors in new installations[I,2], using variable speed drives [3], and introducing power saving equipment, such as optimized efficiency soft starters [4,5], are leading technologies that are recommended to save energy and in many cases improve the performance of the drive system. One main disadvantage of these technologies is the initial higher cost of the new technology compared to the exclusive use of standard motors[1, 2]. This study addresses economical, environmental and performance issues related to the application of energy efficient motor drive systems in the Egyptian industrial and agriculture sectors. Such issues include energy savings, harmonic, cost analysis, custom duties and greenhouse gas reductions. This paper presents the electric energy profile in Egypt with emphasis on industrial and agriculture sectors, the share of electric motors in energy consumption, the Egyptian market of motor drive system. This is followed by an analysis of two energy saving technologies based on cost, operating hours, efficiencies and electric energy tariffs. Recommendations for suitable applications, policies and type of technology are offered for the systems under consideration.
2
Energy Profile in Egypt
Electric energy consumption in Egypt has increased dramatically over the past three decades to satisfy the industrial, residential, agriculture and domestic needs. In 00/01, the Egyptian Electricity Holding Company (EEHC) generated 77,956 GWh of electrical energy, of that amount, 13,697 GWh (about 18%) is produced from hydropower plants. The rest is produced from thermal power plants, consuming more than 14,3 Mil.ton oil equivalent (MTOE). The installed capacity is 15,935 MW and the peak-recorded demand was 12,376 MW in 00/01. This is higher than 99/00 recorded peak demand by 5.5 %. Table 1 summarizes the electric energy production and consumption over the past 5 years.
F. Parasiliti et al. (eds.), Energy Efficiency in Motor Driven Systems © Springer-Verlag Berlin Heidelberg 2003
318 Table 1. Electric energy capacity production and consumption (1997-2001)
Installed Capacity (MW) Gross Production (MkWh) Hydro Thermal Total Consum. (MkWh)**
96/97
97/98
98/99
99/00
13303 57700 12,000 45700 49336
13303 62336 12,222 50114 52977
13935 68000 15,300 52700 56600
14,582 73,310 14,659 58,628 60,868
00/01 15,223 77,956 13,697 64,006 64,330
Primary energy production is based on three primary sources which are Oil with 2021 1000mt contributing 8.2%, Natural Gases with 14114 1000mt contributing 86% and Hydro energy with 15300 MkWh contributes 5.7%, finally Coal is a fourth minor participant with only 100 1000mt contributes 0.1 %. In 200/2001 the Industrial sector electrical energy consumption reached 24,282 GWh, and the residential consumption 23,511 GWh, each comprising 37% of the total annual electrical energy consumption, other main consumption sectors are agriculture, public utility and governmental with 4, 11 and 5% consumption as shown in Figure 1. Table
Data Loading...
