Development of instrumentation systems and related technology for condition monitoring of.....

Start of Project:                                                                                             End of Project:

Funding Agency:

1. DST

Investigators:

1. Dr A. Chawla

2. Dr S. Mukherjee

Other Collaborating Agencies:

1. CSIO

2. BHEL

3. IIT Kanpur

Project Objective:

Highlights of the work:

An On-line expert system that works on a turbogenerator to monitor and detect faults, if any, has been developed. It is based on the vibration signature analysis concept using the vibration information as acquired from the turbogenerator’s various bearing locations.The software uses two computers. Housed in the first computer (DAS computer) is a Data Acquisition System (DAS) which acquires the signals from the transducers mounted on the bearing and shaft locations of the turbogenerators. The DAS after acquiring the data feeds it to another computer (Main computer) which houses OLES.OLES, On-line Expert System deciphers the signals acquired in real time by first converting them from time domain to frequency domain signal and then using this frequency spectrum to infer about any possible fault. . The software also displays trend of important vibration data continuously for better monitoring.A systematic backup of the acquired data is maintained in the backup directory. This enables viewing and analyzing of the data at a later date.Expert system gives prompt advise regarding the possibility of the most probable faults so that the operators can plan an appropriate maintenance schedule well in advance and minimize the down time.

The software has been installed at GGSSTPP and running successfully since then.The plant maintenance personnel are using it to monitor the condition of the turbogenerator.

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