A protective device time-current coordination study evaluates a systems protective devices and the equipment to which they are applied. Co-ordination Studies should be reviewed whenever a new device is installed in your electrical system.
Advantages
- Minimize system downtime and nuisance tripping
- Avoid equipment damage through increased system protection
- Provide settings for all adjustable devices
- Isolate faulty circuits without loss of power
- Recommend corrective actions for under protected equipment
- Insure the safety of personnel
- Increase productivity and profitability
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Aims
- To provide all components of the electrical system with adequate protection
- Minimizing service interruption
- Evaluation of protective devices
- Determine equipment damage withstand levels
- Comparison of trip curves
- To select the devices to provide the necessary protection at the proper point in the system
The customer report includes :
- A computer-generated single line diagram detailing devices, equipment, system connections and short circuit levels, when available
- Tabular printouts of the suggested settings for all adjustable devices
- Composite log-log characteristic curves illustrating the resulting protection and coordination in the system
