09-11-2012, 05:43 PM
Distribution Automation
Distribution Automation.ppt (Size: 2.15 MB / Downloads: 55)
Function of Distribution Automation System
Remotely monitors the distribution system, facilitates supervisory control of devices and provides decision support tools to improve the system performance
Operational problems and Potential Applications of DAS
Fault location, isolation and Service Restoration
Maintaining good voltage profile
Load Balancing
Load Control
Metering
Maintaining Maps
Fuse-off call operations
Energy accounting
Application Functions
Integrated Volt-Var Control
Remote Metering
Automatic Load Shedding
Load Management
Automated Mapping and Facilities Management (AM/FM)
Trouble Call Management System (TCMS)
Load Survey and Energy Accounting
Automatic Load Shedding
Under Frequency based load shedding
Sensing Frequency through transducers
Load shedding based on the frequency drop, current loading
conditions and priority of the load
Closed loop function at RTU level
Load Management - Agricultural load control
Importance of Agricultural load
Separate schedule for Agricultural loads
Ag. Loads categorized into groups
Schedule for each group
Shed the load based on the schedule
Use of one-way radio switch
- Accepts a command to shed
- Restores automatically
Distribution Automation.ppt (Size: 2.15 MB / Downloads: 55)
Function of Distribution Automation System
Remotely monitors the distribution system, facilitates supervisory control of devices and provides decision support tools to improve the system performance
Operational problems and Potential Applications of DAS
Fault location, isolation and Service Restoration
Maintaining good voltage profile
Load Balancing
Load Control
Metering
Maintaining Maps
Fuse-off call operations
Energy accounting
Application Functions
Integrated Volt-Var Control
Remote Metering
Automatic Load Shedding
Load Management
Automated Mapping and Facilities Management (AM/FM)
Trouble Call Management System (TCMS)
Load Survey and Energy Accounting
Automatic Load Shedding
Under Frequency based load shedding
Sensing Frequency through transducers
Load shedding based on the frequency drop, current loading
conditions and priority of the load
Closed loop function at RTU level
Load Management - Agricultural load control
Importance of Agricultural load
Separate schedule for Agricultural loads
Ag. Loads categorized into groups
Schedule for each group
Shed the load based on the schedule
Use of one-way radio switch
- Accepts a command to shed
- Restores automatically