The Implementation Scheme Of Condition Based Maintenance Of Relay Protection For Bayannaoer

Maintenance Based Condition (MBC) is a new maintenance method whichconducted according to the status of the device. It is very scientific and efficient if it canbe used properly. When the device runs well, it can reduce the frequency of maintenance,reduce the cost，extend the production time and improve economic performance of thecorporation greatly. When the condition of the device is bad, we can increase thefrequency of maintenance, extend the production time,but it also can improve theeconomic performance of the corporation compared to the loss caused by equipmentsbreakdown. Though CBM has been widely used in different areas, the effect is not all thesame. Some saved costs,some achieved no effect,and increased maintenance costsinatead.So how to establish a scientific maintenance method in accordance with our owncompany is the problem we need to solve.Bayannur Grid is part of Inner Mongolia Grid. CBM has already practiced in ourprimary equipment’s maintenance. It’s a trend that maintenance method from plannedmaintenance to MBC on relaying area.We need the maintenance method that meet themaintenances tatus of relay protection in Bayannur power network.Whether MBC isefficiency is based on the following prerequisite. Firstly we need to make sure that themonitor data are suitable. This is the basic need of CBM.Second, the balance of asuitable maintenance frequency. The higher the frequency is the more workload it willtake. On the other side, lower maintenance frequency will increase the number ofaccidents and not achieve the result we want. Beside those prerequisites, there is alsosome requirement we need. But the two mentioned above is the key deciding the MBC’ssuccess or not.This paper will mainly focus on these two pieces of prerequisite, to designthe most effective CBM for Bayannr Grid.By analyzing the feature,real state of Bayannur Grid and the actual status ofprotection devices, we listed some suitable project. Through a comprehensive researchand comparison of these projects,we chose a suitable project. We establish standards andthe way of implementation for CBM. In the last, we put forward some requirement ofMBC.