Outage Time and Its Effects on Rehabilitation Philosophy ? A Case Study

by Alan D. Roth, Voith Hydro Inc, York, PA, USA,
W. S. (Burt) Budgell, Voith Hydro Inc, York, PA, USA,



Document Type: Proceeding Paper

Part of: Water Power '87

Abstract:

The Abitibi-Price Paper Mill located in Grand Falls, Newfoundland presently has eight (8) hydro-generating units in operation to assist in offsetting the power demands created through normal mill operations. The largest of these units has a capacity of 25 MW, was originally installed in 1937/38, and had previously been upgraded in the mid-1950's. One disadvantage caused by this upgrade was a significant increase in runner deterioration due to cavitation. This severe cavitation problem plus general wear and tear on other turbine and generator components prompted Abitibi-Price to again consider a major unit overhaul. This paper explores the economic factors involved in the decision to replace the entire completion parts assembly and presents the benefits of such a decision by comparing various new versus existing designs.

Subject Headings: Hydro power | Economic factors | Case studies | Electric power | Rehabilitation | Power outage | Power plants | Canada

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