Tokyo electric power company holdings, incorporated tepco provides engineering services and technical assistance for operation and maintenance planning on overall thermal power station facilities, including advanced combined cycle plants, ultra supercritical power plants and coalfired power plants. Responsibilities included the operation and maintenance of a 15 megawatt power plant. Liane ellison norman, staunch supporters of the green peace movement and clean energy at. This pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists. Effective maintenance is essential for safe operation of a nuclear power plant. It includes information obtained from extensive research of current literature on the subject. Regular maintenance and replacement will avoid issues such as degradation or corrosion. Power maintenance policies document information page. This energy and power generation handbook is dedicated to. Arcflash and other electrical safety hazards 27 electrical safety hazards 27 electric shock 27 arcflash and arc blasts 28 arcflash metrics 29 arcblast effect 31. Included in this document are recommended maintenance activities, maintenance interval, and references. The type of equipment utilized in the electrical distribution systems is discussed in terms of its design, function.
Work control system to control the performance of maintenance in an eficient and safe manner such that economical, safe, and reliable plant operation is optimized. Predictive maintenance is the complement of preventive maintenance. Power plant reliability, availability, maintainability. Power plant engineering notes pdf ppe notes pdf details unit4. Energy information administration capital cost estimates for utility scale electricity generating plants 1 november 2016 introduction the current and future projected cost and performance characteristics of new electric generating capacity are critical inputs into the development of energy projections and analyses. This type of maintainence involves inspection, clean. A proper maintenance and reliability program can be the difference between whether or not, say, a hospital stays open during a crisis. Accounts 21 through 23 all have interfaces with the power plant electrical. Most technician jobs require at the minimum a 2year technical associate degree. For example, the energy information administration eia estimates that the nation will have to construct 226,000 megawatts of new electric power generating capacity by 2030. The employee agrees that during the employment period, he shall devote the agreed. Due to inconsistency and failure in the power supply in nigeria, there is a need for a proper operation and maintenance schedule strategy of the various kinds of power plants accessories so as to facilitate their efficiencies and functionality. The basic principles, requirements, components, implementation and maintenance of electricity generating. Preventive maintenance to contribute to optimum performance and reliability of plant.
Thermal electrical power generation is one of the major methods used in egbin thermal station. Plant life management and maintenance technologies for nuclear. Rdgd210, maintenance programs for nuclear power plants i. There are several options for establishing an in plant power backup source. Maintenance of electrical equipment in buildings photo credit. We focus on the fundamentals safety, reliability, compliance and cost as we strive to operate your plant the way it. Plants scheduled one or two maintenance outages a year, and for the remainder of the year, only performed. Power plant maintenance responsibilities can also include installation, repair and preventive maintenance for other electronic and pneumatic. Pdf a study of implementation of preventive maintenance.
Strong knowledge of the principles of engineering design, standards development and construction methods associated with power plant electrical. This paper deals mainly with thermal plants such as steam power units, gasfired combinedcycle power plants and waste incineration plants in terms of integrating both process and electrical control into one consistent system. Previous studies by nrel and wecc have corroborated this fact and the purpose of intertek aptechs task was to provide generic lower bound power plant cycling costs to be used in production cost simulations. Maintenance of electrical equipment in buildings eep. Robustness of electrical systems of nuclear power plants in light of. Several factors such as poor maintenance culture and management of nigerian power stations are some of. Maintenance issues identified by some european nuclear power plants 19.
Operation and maintenance of diesel power generating plants. Maintenance at power plants includes the inspection, adjustment, repair and replacement, and importantly scheduled preventive maintenance of a variety of assets, equipment and electrical machinery. Introduction, back pressure turbine, passout turbine, combined cycle power generation, characteristics of ideal working fluid for vapour power cycle, binary vapour cycle, combined cycle plants. Most industries relying on electric power for their operation prefer to source their electrical supply.
Ge technology can be found in 90% of power utilities worldwide. Included in this document are recommended maintenance. This manual on electric power distribution systems is one of a series developed to aid utility supervisory personnel at shore establishments in the performance of their duties. Asset utilization is also a function of operating rate, quality and yield losses, etc. Optimizing the performance of a power generating facility requires a conscientious application of technical expertise combined with business acumen. Responsible for oversight of plant electrical resources to maintain the facility and to support productions efforts, as needed. The bce has no maintenance responsibility for electrical equipment that is not on the real property record or ce allowance standard and.
A power plant or a power generating station, is basically an industrial location that is utilized for the generation and distribution of electric power in mass scale, usually in the order of several watts. Power plant control eep electrical engineering portal. Costs and characteristics of new electric generating units introduction and organization the united states may have to build many new power plants to meet growing demand for electric power. The maintenance group may be divided into mechanical, electrical, and control. The facilities are essential in the bulk electric power supply system and must therefore be maintained to protect the investment, improve safety and integrity of the environment, improve reliability. Through the utilization of various nondestructive testing and measuring techniques, predictive maintenance determines equipment status.
Power plant electrical distribution systems gary w castleberry, pe course description this one hour course provides an introduction to the design of electrical distribution systems found in electrical power generation plants. The united states may have to build many new power plants to meet growing demand for electric power. Capital cost estimates for utility scale electricity. Regular battery maintenance and replacement is critical to a dc power plant, which has a consistent power draw. Part of the motivation was that the preventive maintenance programmes at many nuclear power plants were based on vendors overly conservative recommendations, without sufficient consideration of actual duty cycles or overall system functions. Mechanical equipment and operation and maintenance. Maintenance programs for nuclear power plants canadian. Broad experience in the area of static electrical plant, including transformers, switchgear and cable systems. Power plant electrical engineer, 2006 to till date. This document establishes minimum recommended practices for maintenance of electrical equipment in bureau of reclamation hydroelectric power and large pumping plants. There are generally 3 types of maintainence philosophies followed in most of the plants.
Predictive power transformer maintenance as an effective maintenance system. The operational reliability of the generating units of the hydro power stations shall be. These are generally located at the suburban regions or several kilometers away from the cities or the load centers, because of its requisites like huge land and. Application of reliability centred maintenance to optimize. Salvage operations s i s y l g a n n i a t y n t i i a l p a. Power maintenance policies document information page 1. Power plant engineering notes pdf ppe notes pdf notes. There is an increasing tendency to move from the preventive time based maintenance concept to one dependent on plant and component conditions. There is now an acute need to optimize maintenance to improve both reliability and competitiveness of nuclear power plant operation. The checklists are intended to help inspectors keep track of the numerous aspects of an electrical installation. Operation and maintenance schedule of a steam turbine. Power plants and types of power plant electrical4u. Dc power plant maintenance quality power solutions. Baira gowda, pittsburgh, pa for introducing me to asme, in the late 1980s.
Focus on your core competencies while ge manages your power plant operations. Cost estimating relationships for nuclear power plant operation and maintenance. Click on power plant maintenance found on the left hand side of the webpage. If necessary attach a textual description and schedule of. While it is appreciated that breakdown of plant may result in costly interruption of normal building operation, it must also be borne in mind that stopping plant for maintenance can also cause a loss in production. Non maintenance related downtime may be attributed to lack of demand, an interruption in raw material supply or production scheduling delays beyond the control of the maintenance function.
Nuclear power plant life management and longerterm operation. In 1984 the electric power research institute epri introduced rcm to the nuclear power industry. Maintenance of nuclear power plants international nuclear iaea. Power plants npps and incidence on operation and maintenance. Powerplant reliability, availability, maintainability. For example, the energy information administration eia estimates that the nation will have to construct 226,000 megawatts of new. Frequent power outages in nigeria have drastically reduced the reliability of power supply. Increasing variable renewable generation on the electric grid has resulted in increased cycling of conventional fossil generation. Operation and maintenance in this session operation and maintenance of geothermal power plants with emphasis on the geothermal part of the plant is introduced.
Performed preventative maintenance and repairs to the plants boilers, turbinegenerator, conveyor system, and other auxiliary equipment. Power transformer maintenance includes periodic electrical testing of different parameters of the transformer, being common the periodic checking of some key magnitudes such as turns ratio, excitation current, polarization index, insulation resistance, tandelta, winding resistance, short circuit impedance, etc. A study of implementation of preventive maintenance programme in nigeria power industryegbin thermal power plant, case study article pdf available in energy and power engineering 0303. Implementation strategies and tools for condition based. Power plant maintenance has often been given low priority by electric utilities. The checklists are in pdf format and can be completed electronically or printed and used as hard copy. Alfares et al 2007 described how a saving of 11% of maintenance labour cost can be achieved b y. Conduct of maintenance to conduct maintenance in a safe and eficient manner. We discussed in our previous article that many dc power plants use either vrla or wet cell batteries that are typically front access batteries.