Abstract
Service and repair companies, big stores, industries and power companies having complex issues on inventory brought this idea for solution. The inventory department of PHCN generating unit has obsolete and sometimes non-availability of materials. The company faces maintenance, repairs, replacement demands and outage-related problems. In order to cater for these demands, some classifications that would aid PHCN in making effective decisions as regards spare or service parts were made. This research has developed inventory control system that provides automated inventory management system and graphical interface ability for decision making. This is to “right-size” inventories such that the total level of inventory held can be reduced and replenished without exposing the company to risk of stock-out. The system is a model for dynamic supply chain management using spare parts inventory policy tools to enable PHCN to dynamically perform continuous review, one to one lot, service differentiation, backordering, demand lead time, threshold rationing and clearing mechanism.
Highlights
Customers are more demanding, requiring greater choice, quality, value for money and timely delivery
This would be of potential improvement because if the company can understand when it will need parts, the company can plan to promote just-in-time delivery and minimal inventory [4]
The Nigerian power transmission network is characterized by prolonged and frequent outages, outages like planned outages and forced outages [4] which can be associated with aging equipment/defects, lightning, wind, birds/animals, vandalization, accidents and poor job execution by contractors
Summary
Customers are more demanding, requiring greater choice, quality, value for money and timely delivery This implies greater concern for inventory control on the part of companies and service providers. PHCN must maintain a balance between the plant availability and output against the electricity demand and the plant’s capacity through a better understanding of spare parts demand. This would be of potential improvement because if the company can understand when it will need parts, the company can plan to promote just-in-time delivery and minimal inventory [4]. Most of the transmission lines are very long and fragile leading to frequent conductor cuts which gives rise to high voltage drops and power losses in the network
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