Monday, February 17, 2020

Compare and contrast the key features of public and private sector Essay

Compare and contrast the key features of public and private sector organisations and explain how these might impact on the role - Essay Example Public sector involve organisations owned and operated by government or their agents and are mostly set up not for profit, but to offer essential services to the public, though profit still reminds one of the objectives of such organisations. Public sectors will major in owning, producing, providing, allocating and delivering goods and services for the government or the public, on either local or international levels, with service provision being more important than making profits. The managers are government appointees, making public companies political institutions. Private organisations. These ere organisations set up, owned, financed, and operated by business people with the single aims of harnessing opportunities to make a profit. The government in private companies only plays a regulatory role through its legal framework, but does not involve in any decision making in such organisations. Their main aim is to invest and harness resources as much as possible to make the maximum p rofit possible from the community. Similarities between private and public companies Service to the public. Both the public and private companies are set up to serve a particular public need, though a private company is responsible to its shareholders and investors to offer such services at a profit. Competition. There are many private companies providing services similar to the public sector services; they all compete for customers and resources, as well as market for their products and services. Examples are schools or healthcare faculties. Organisational hierarchy. Both public and private organisations have different staff occupying differently levels of decision making process, though in the private sector such hierarchies may have different tag names. In the two sectors, hierarchy structure is set to delegate work to the appropriate sections or levels (Kearney, Hisrich, & Roche 2009, 28). Differences between Private and Public Companies Organisation level One factor that charac terizes the public sector is the many formal processes that must be in place to make such an organisation function appropriately (ESADE, 2011). Decision process in public companies involves more degrees of consultations to formalize, leading to increased bureaucracy. Bureaucracy is defined and the regulations, procedures, and rules that have to be adhered to, but have little or no efficacy to the functional object of the rules themselves (ESADE, 2011). Bureaucracy in public sector is mostly due to the divisions of authority between the executive, legislature, and judiciary arms of the government, which have to be involved in the decision making process. On the other hand, private firms are more efficient and have no elaborate formalisation to put in place. Once they have complied with the legal procedures, they can be as small as the owners prefer and as large as possible, with decision making being retained at the senior management level. This makes private sector more efficient in decision making. Market Economy Another difference between private and public sectors is the market economy and economic systems. The public sector has to provide

Monday, February 3, 2020

PV Mounting System Dissertation Example | Topics and Well Written Essays - 1500 words

PV Mounting System - Dissertation Example PV panels are installed at permanent angles. The angle is usually predetermined so that there is an optimum solar radiation being received, by the panel, throughout the year. Efficiency can be increased by mounting the PV panels on a double axis, where two panels are mounted in such a way that they face away from each other, at an angle, as shown in figure 1 (Sampson 2009). This is opposed to a single axis mounting where the panel (or panels) is mounted on one side of the mounting structure as shown in figure Double fixed tilt mounting system is usually more expensive than single fixed tilt mounting system because double fixed tilt mounting structures require more materials than their single mounting counterparts do. However, double fixed tilt mounting system results to higher PV performance since the panels’ exposure to solar radiation is higher than in single fixed tilt mounting systems. Azimuth (Sun Tracking) PV Mounting System This mounting system aims at maximizing panel’s exposure to the sun, which results into an increase in power output. It is essentially a combination of the single and doubles axis fixed tilt mounting systems whereby an automatic adjustment system makes a single axis fixed tilt mounting system operate like a double axis mounted fixed tilt mounting system. The automatic adjustment system changes the panel’s angle with respect to the sun’s position, in the sky, and the PV array as shown in figure 3. There are two mounting arrangements under the azimuth mounting system: single axis and double axis tracking system. In the single axis sun tracking system, the panel is adjusted with respect to the sun’s East-West movement only (single axis). On the other hand, in double axis tracking system, the panel is usually adjusted along two axes, the east-west sun’s movement and the seasonal shifts in sun’s position. In other words, the double axis tracking s ystem adjusts the panels with respect to sun’s position in the sky throughout the year (Sampson 2009). Figure 3: Azimuth PV mounting system (Sampson 2009) The azimuth PV mounting system offers power advantages compared to the fixed tilt mounting system although it is much more expensive than the fixed tilt mounting system due to its complexity. Due to their low initial and operation costs, single axis fixed tilt PV mounting systems are often used for home application (Glasnovic and Margeta 2009: 1144). In addition, single axis fixed tilt mounting systems are easy to install because they only require a mounting frame that is tilted at an angle and a PV securing system. However, power output is usually minimal, which may require people to use panels that are of a higher capacity than their domestic needs to ensure that enough power is collected during the exposure time, which is often a fraction of the daylight (Glasnovic and Margeta 2009: 1144). Otherwise, power collected duri ng